]> code.delx.au - pulseaudio/blobdiff - src/pulsecore/protocol-native.c
a few FreeBSD fixes, from alexis
[pulseaudio] / src / pulsecore / protocol-native.c
index 24f5997eeefaf335d86d920b253f9b432d58f73b..5c6dbf44d44206939b6ec1e1e188c7ee0676aae8 100644 (file)
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /***
   This file is part of PulseAudio.
 
@@ -52,9 +50,8 @@
 #include <pulsecore/core-subscribe.h>
 #include <pulsecore/log.h>
 #include <pulsecore/autoload.h>
-#include <pulsecore/authkey-prop.h>
 #include <pulsecore/strlist.h>
-#include <pulsecore/props.h>
+#include <pulsecore/shared.h>
 #include <pulsecore/sample-util.h>
 #include <pulsecore/llist.h>
 #include <pulsecore/creds.h>
 #define MAX_CONNECTIONS 64
 
 #define MAX_MEMBLOCKQ_LENGTH (4*1024*1024) /* 4MB */
+#define DEFAULT_TLENGTH_MSEC 2000 /* 2s */
+#define DEFAULT_PROCESS_MSEC 20   /* 20ms */
+#define DEFAULT_FRAGSIZE_MSEC DEFAULT_TLENGTH_MSEC
 
-typedef struct connection connection;
-struct pa_protocol_native;
+struct pa_native_protocol;
 
 typedef struct record_stream {
     pa_msgobject parent;
 
-    connection *connection;
+    pa_native_connection *connection;
     uint32_t index;
-    
+
     pa_source_output *source_output;
     pa_memblockq *memblockq;
     size_t fragment_size;
+    pa_usec_t source_latency;
 } record_stream;
 
+PA_DECLARE_CLASS(record_stream);
+#define RECORD_STREAM(o) (record_stream_cast(o))
+static PA_DEFINE_CHECK_TYPE(record_stream, pa_msgobject);
+
 typedef struct output_stream {
     pa_msgobject parent;
 } output_stream;
 
+PA_DECLARE_CLASS(output_stream);
+#define OUTPUT_STREAM(o) (output_stream_cast(o))
+static PA_DEFINE_CHECK_TYPE(output_stream, pa_msgobject);
+
 typedef struct playback_stream {
     output_stream parent;
-    
-    connection *connection;
+
+    pa_native_connection *connection;
     uint32_t index;
-    
+
     pa_sink_input *sink_input;
     pa_memblockq *memblockq;
-    int drain_request;
+    pa_bool_t is_underrun:1;
+    pa_bool_t drain_request:1;
     uint32_t drain_tag;
     uint32_t syncid;
-    int underrun;
 
     pa_atomic_t missing;
-    size_t last_missing;
+    size_t minreq;
+    pa_usec_t sink_latency;
 
     /* Only updated after SINK_INPUT_MESSAGE_UPDATE_LATENCY */
     int64_t read_index, write_index;
-    size_t resampled_chunk_length;
+    size_t render_memblockq_length;
 } playback_stream;
 
+PA_DECLARE_CLASS(playback_stream);
+#define PLAYBACK_STREAM(o) (playback_stream_cast(o))
+static PA_DEFINE_CHECK_TYPE(playback_stream, output_stream);
+
 typedef struct upload_stream {
     output_stream parent;
-    
-    connection *connection;
+
+    pa_native_connection *connection;
     uint32_t index;
-    
+
     pa_memchunk memchunk;
     size_t length;
     char *name;
     pa_sample_spec sample_spec;
     pa_channel_map channel_map;
+    pa_proplist *proplist;
 } upload_stream;
 
-struct connection {
+PA_DECLARE_CLASS(upload_stream);
+#define UPLOAD_STREAM(o) (upload_stream_cast(o))
+static PA_DEFINE_CHECK_TYPE(upload_stream, output_stream);
+
+struct pa_native_connection {
     pa_msgobject parent;
-    
-    int authorized;
+    pa_native_protocol *protocol;
+    pa_native_options *options;
+    pa_bool_t authorized:1;
+    pa_bool_t is_local:1;
     uint32_t version;
-    pa_protocol_native *protocol;
     pa_client *client;
     pa_pstream *pstream;
     pa_pdispatch *pdispatch;
@@ -139,38 +158,20 @@ struct connection {
     pa_time_event *auth_timeout_event;
 };
 
-PA_DECLARE_CLASS(record_stream);
-#define RECORD_STREAM(o) (record_stream_cast(o))
-static PA_DEFINE_CHECK_TYPE(record_stream, pa_msgobject);
-
-PA_DECLARE_CLASS(output_stream);
-#define OUTPUT_STREAM(o) (output_stream_cast(o))
-static PA_DEFINE_CHECK_TYPE(output_stream, pa_msgobject);
-
-PA_DECLARE_CLASS(playback_stream);
-#define PLAYBACK_STREAM(o) (playback_stream_cast(o))
-static PA_DEFINE_CHECK_TYPE(playback_stream, output_stream);
-
-PA_DECLARE_CLASS(upload_stream);
-#define UPLOAD_STREAM(o) (upload_stream_cast(o))
-static PA_DEFINE_CHECK_TYPE(upload_stream, output_stream);
+PA_DECLARE_CLASS(pa_native_connection);
+#define PA_NATIVE_CONNECTION(o) (pa_native_connection_cast(o))
+static PA_DEFINE_CHECK_TYPE(pa_native_connection, pa_msgobject);
 
-PA_DECLARE_CLASS(connection);
-#define CONNECTION(o) (connection_cast(o))
-static PA_DEFINE_CHECK_TYPE(connection, pa_msgobject);
+struct pa_native_protocol {
+    PA_REFCNT_DECLARE;
 
-struct pa_protocol_native {
-    pa_module *module;
     pa_core *core;
-    int public;
-    pa_socket_server *server;
     pa_idxset *connections;
-    uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH];
-    int auth_cookie_in_property;
-#ifdef HAVE_CREDS
-    char *auth_group;
-#endif
-    pa_ip_acl *auth_ip_acl;
+
+    pa_strlist *servers;
+    pa_hook hooks[PA_NATIVE_HOOK_MAX];
+
+    pa_hashmap *extensions;
 };
 
 enum {
@@ -187,7 +188,8 @@ enum {
     PLAYBACK_STREAM_MESSAGE_REQUEST_DATA,      /* data requested from sink input from the main loop */
     PLAYBACK_STREAM_MESSAGE_UNDERFLOW,
     PLAYBACK_STREAM_MESSAGE_OVERFLOW,
-    PLAYBACK_STREAM_MESSAGE_DRAIN_ACK
+    PLAYBACK_STREAM_MESSAGE_DRAIN_ACK,
+    PLAYBACK_STREAM_MESSAGE_STARTED
 };
 
 enum {
@@ -199,15 +201,21 @@ enum {
     CONNECTION_MESSAGE_REVOKE
 };
 
-static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk);
-static void sink_input_drop_cb(pa_sink_input *i, size_t length);
+static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk);
 static void sink_input_kill_cb(pa_sink_input *i);
+static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend);
+static void sink_input_moved_cb(pa_sink_input *i);
+static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes);
+static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes);
+static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes);
 
-static void send_memblock(connection *c);
-static void request_bytes(struct playback_stream*s);
+static void native_connection_send_memblock(pa_native_connection *c);
+static void playback_stream_request_bytes(struct playback_stream*s);
 
 static void source_output_kill_cb(pa_source_output *o);
 static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk);
+static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend);
+static void source_output_moved_cb(pa_source_output *o);
 static pa_usec_t source_output_get_latency_cb(pa_source_output *o);
 
 static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk);
@@ -248,6 +256,11 @@ static void command_cork_record_stream(pa_pdispatch *pd, uint32_t command, uint3
 static void command_flush_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_update_stream_sample_rate(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_update_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_remove_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 
 static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
     [PA_COMMAND_ERROR] = NULL,
@@ -299,7 +312,7 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
 
     [PA_COMMAND_SUSPEND_SINK] = command_suspend,
     [PA_COMMAND_SUSPEND_SOURCE] = command_suspend,
-    
+
     [PA_COMMAND_CORK_PLAYBACK_STREAM] = command_cork_playback_stream,
     [PA_COMMAND_FLUSH_PLAYBACK_STREAM] = command_trigger_or_flush_or_prebuf_playback_stream,
     [PA_COMMAND_TRIGGER_PLAYBACK_STREAM] = command_trigger_or_flush_or_prebuf_playback_stream,
@@ -323,7 +336,23 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
     [PA_COMMAND_REMOVE_AUTOLOAD] = command_remove_autoload,
 
     [PA_COMMAND_MOVE_SINK_INPUT] = command_move_stream,
-    [PA_COMMAND_MOVE_SOURCE_OUTPUT] = command_move_stream
+    [PA_COMMAND_MOVE_SOURCE_OUTPUT] = command_move_stream,
+
+    [PA_COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR] = command_set_stream_buffer_attr,
+    [PA_COMMAND_SET_RECORD_STREAM_BUFFER_ATTR] = command_set_stream_buffer_attr,
+
+    [PA_COMMAND_UPDATE_PLAYBACK_STREAM_SAMPLE_RATE] = command_update_stream_sample_rate,
+    [PA_COMMAND_UPDATE_RECORD_STREAM_SAMPLE_RATE] = command_update_stream_sample_rate,
+
+    [PA_COMMAND_UPDATE_RECORD_STREAM_PROPLIST] = command_update_proplist,
+    [PA_COMMAND_UPDATE_PLAYBACK_STREAM_PROPLIST] = command_update_proplist,
+    [PA_COMMAND_UPDATE_CLIENT_PROPLIST] = command_update_proplist,
+
+    [PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST] = command_remove_proplist,
+    [PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST] = command_remove_proplist,
+    [PA_COMMAND_REMOVE_CLIENT_PROPLIST] = command_remove_proplist,
+
+    [PA_COMMAND_EXTENSION] = command_extension
 };
 
 /* structure management */
@@ -347,6 +376,9 @@ static void upload_stream_free(pa_object *o) {
 
     pa_xfree(s->name);
 
+    if (s->proplist)
+        pa_proplist_free(s->proplist);
+
     if (s->memchunk.memblock)
         pa_memblock_unref(s->memchunk.memblock);
 
@@ -354,17 +386,20 @@ static void upload_stream_free(pa_object *o) {
 }
 
 static upload_stream* upload_stream_new(
-        connection *c,
+        pa_native_connection *c,
         const pa_sample_spec *ss,
         const pa_channel_map *map,
-        const char *name, size_t length) {
+        const char *name,
+        size_t length,
+        pa_proplist *p) {
 
     upload_stream *s;
-    
+
     pa_assert(c);
     pa_assert(ss);
     pa_assert(name);
     pa_assert(length > 0);
+    pa_assert(p);
 
     s = pa_msgobject_new(upload_stream);
     s->parent.parent.parent.free = upload_stream_free;
@@ -374,9 +409,11 @@ static upload_stream* upload_stream_new(
     s->name = pa_xstrdup(name);
     pa_memchunk_reset(&s->memchunk);
     s->length = length;
+    s->proplist = pa_proplist_copy(p);
+    pa_proplist_update(s->proplist, PA_UPDATE_MERGE, c->client->proplist);
 
     pa_idxset_put(c->output_streams, s, &s->index);
-    
+
     return s;
 }
 
@@ -394,7 +431,7 @@ static void record_stream_unlink(record_stream *s) {
 
     pa_assert_se(pa_idxset_remove_by_data(s->connection->record_streams, s, NULL) == s);
     s->connection = NULL;
-    record_stream_unref(s);    
+    record_stream_unref(s);
 }
 
 static void record_stream_free(pa_object *o) {
@@ -402,7 +439,7 @@ static void record_stream_free(pa_object *o) {
     pa_assert(s);
 
     record_stream_unlink(s);
-    
+
     pa_memblockq_free(s->memblockq);
     pa_xfree(s);
 }
@@ -413,18 +450,18 @@ static int record_stream_process_msg(pa_msgobject *o, int code, void*userdata, i
 
     if (!s->connection)
         return -1;
-    
+
     switch (code) {
-        
+
         case RECORD_STREAM_MESSAGE_POST_DATA:
-            
+
             if (pa_memblockq_push_align(s->memblockq, chunk) < 0) {
 /*                 pa_log_warn("Failed to push data into output queue."); */
                 return -1;
             }
 
             if (!pa_pstream_is_pending(s->connection->pstream))
-                send_memblock(s->connection);
+                native_connection_send_memblock(s->connection);
 
             break;
     }
@@ -432,15 +469,128 @@ static int record_stream_process_msg(pa_msgobject *o, int code, void*userdata, i
     return 0;
 }
 
+static void fix_record_buffer_attr_pre(
+        record_stream *s,
+        pa_bool_t adjust_latency,
+        pa_bool_t early_requests,
+        uint32_t *maxlength,
+        uint32_t *fragsize) {
+
+    size_t frame_size;
+    pa_usec_t orig_fragsize_usec, fragsize_usec, source_usec;
+
+    pa_assert(s);
+    pa_assert(maxlength);
+    pa_assert(fragsize);
+
+    frame_size = pa_frame_size(&s->source_output->sample_spec);
+
+    if (*maxlength == (uint32_t) -1 || *maxlength > MAX_MEMBLOCKQ_LENGTH)
+        *maxlength = MAX_MEMBLOCKQ_LENGTH;
+    if (*maxlength <= 0)
+        *maxlength = (uint32_t) frame_size;
+
+    if (*fragsize == (uint32_t) -1)
+        *fragsize = (uint32_t) pa_usec_to_bytes(DEFAULT_FRAGSIZE_MSEC*PA_USEC_PER_MSEC, &s->source_output->sample_spec);
+    if (*fragsize <= 0)
+        *fragsize = (uint32_t) frame_size;
+
+    orig_fragsize_usec = fragsize_usec = pa_bytes_to_usec(*fragsize, &s->source_output->sample_spec);
+
+    if (early_requests) {
+
+        /* In early request mode we need to emulate the classic
+         * fragment-based playback model. We do this setting the source
+         * latency to the fragment size. */
+
+        source_usec = fragsize_usec;
+
+    } else if (adjust_latency) {
+
+        /* So, the user asked us to adjust the latency according to
+         * what the source can provide. Half the latency will be
+         * spent on the hw buffer, half of it in the async buffer
+         * queue we maintain for each client. */
+
+        source_usec = fragsize_usec/2;
+
+    } else {
+
+        /* Ok, the user didn't ask us to adjust the latency, hence we
+         * don't */
+
+        source_usec = 0;
+    }
+
+    if (source_usec > 0)
+        s->source_latency = pa_source_output_set_requested_latency(s->source_output, source_usec);
+    else
+        s->source_latency = 0;
+
+    if (early_requests) {
+
+        /* Ok, we didn't necessarily get what we were asking for, so
+         * let's tell the user */
+
+        fragsize_usec = s->source_latency;
+
+    } else if (adjust_latency) {
+
+        /* Now subtract what we actually got */
+
+        if (fragsize_usec >= s->source_latency*2)
+            fragsize_usec -= s->source_latency;
+        else
+            fragsize_usec = s->source_latency;
+    }
+
+    if (pa_usec_to_bytes(orig_fragsize_usec, &s->source_output->sample_spec) !=
+        pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec))
+
+        *fragsize = (uint32_t) pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec);
+
+    if (*fragsize <= 0)
+        *fragsize = (uint32_t) frame_size;
+}
+
+static void fix_record_buffer_attr_post(
+        record_stream *s,
+        uint32_t *maxlength,
+        uint32_t *fragsize) {
+
+    size_t base;
+
+    pa_assert(s);
+    pa_assert(maxlength);
+    pa_assert(fragsize);
+
+    *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq);
+
+    base = pa_frame_size(&s->source_output->sample_spec);
+
+    s->fragment_size = (*fragsize/base)*base;
+    if (s->fragment_size <= 0)
+        s->fragment_size = base;
+
+    if (s->fragment_size > *maxlength)
+        s->fragment_size = *maxlength;
+
+    *fragsize = (uint32_t) s->fragment_size;
+}
+
 static record_stream* record_stream_new(
-        connection *c,
+        pa_native_connection *c,
         pa_source *source,
-        const pa_sample_spec *ss,
-        const pa_channel_map *map,
-        const char *name,
+        pa_sample_spec *ss,
+        pa_channel_map *map,
+        pa_bool_t peak_detect,
         uint32_t *maxlength,
-        uint32_t fragment_size,
-        int corked) {
+        uint32_t *fragsize,
+        pa_source_output_flags_t flags,
+        pa_proplist *p,
+        pa_bool_t adjust_latency,
+        pa_sink_input *direct_on_input,
+        pa_bool_t early_requests) {
 
     record_stream *s;
     pa_source_output *source_output;
@@ -449,20 +599,28 @@ static record_stream* record_stream_new(
 
     pa_assert(c);
     pa_assert(ss);
-    pa_assert(name);
     pa_assert(maxlength);
-    pa_assert(*maxlength > 0);
+    pa_assert(p);
 
     pa_source_output_new_data_init(&data);
-    data.module = c->protocol->module;
+
+    pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p);
+    pa_proplist_update(data.proplist, PA_UPDATE_MERGE, c->client->proplist);
+    data.driver = __FILE__;
+    data.module = c->options->module;
     data.client = c->client;
     data.source = source;
-    data.driver = __FILE__;
-    data.name = name;
+    data.direct_on_input = direct_on_input;
     pa_source_output_new_data_set_sample_spec(&data, ss);
     pa_source_output_new_data_set_channel_map(&data, map);
+    if (peak_detect)
+        data.resample_method = PA_RESAMPLER_PEAKS;
 
-    if (!(source_output = pa_source_output_new(c->protocol->core, &data, corked ? PA_SOURCE_OUTPUT_START_CORKED : 0)))
+    source_output = pa_source_output_new(c->protocol->core, &data, flags);
+
+    pa_source_output_new_data_done(&data);
+
+    if (!source_output)
         return NULL;
 
     s = pa_msgobject_new(record_stream);
@@ -470,31 +628,53 @@ static record_stream* record_stream_new(
     s->parent.process_msg = record_stream_process_msg;
     s->connection = c;
     s->source_output = source_output;
+
     s->source_output->push = source_output_push_cb;
     s->source_output->kill = source_output_kill_cb;
     s->source_output->get_latency = source_output_get_latency_cb;
+    s->source_output->moved = source_output_moved_cb;
+    s->source_output->suspend = source_output_suspend_cb;
     s->source_output->userdata = s;
 
+    fix_record_buffer_attr_pre(s, adjust_latency, early_requests, maxlength, fragsize);
+
     s->memblockq = pa_memblockq_new(
             0,
             *maxlength,
             0,
-            base = pa_frame_size(ss),
+            base = pa_frame_size(&source_output->sample_spec),
             1,
             0,
+            0,
             NULL);
 
-    s->fragment_size = (fragment_size/base)*base;
-    if (s->fragment_size <= 0)
-        s->fragment_size = base;
-    *maxlength = pa_memblockq_get_maxlength(s->memblockq);
+    fix_record_buffer_attr_post(s, maxlength, fragsize);
+
+    *ss = s->source_output->sample_spec;
+    *map = s->source_output->channel_map;
 
     pa_idxset_put(c->record_streams, s, &s->index);
 
+    pa_log_info("Final latency %0.2f ms = %0.2f ms + %0.2f ms",
+                ((double) pa_bytes_to_usec(s->fragment_size, &source_output->sample_spec) + (double) s->source_latency) / PA_USEC_PER_MSEC,
+                (double) pa_bytes_to_usec(s->fragment_size, &source_output->sample_spec) / PA_USEC_PER_MSEC,
+                (double) s->source_latency / PA_USEC_PER_MSEC);
+
     pa_source_output_put(s->source_output);
     return s;
 }
 
+static void record_stream_send_killed(record_stream *r) {
+    pa_tagstruct *t;
+    record_stream_assert_ref(r);
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_KILLED);
+    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+    pa_tagstruct_putu32(t, r->index);
+    pa_pstream_send_tagstruct(r->connection->pstream, t);
+}
+
 static void playback_stream_unlink(playback_stream *s) {
     pa_assert(s);
 
@@ -512,7 +692,7 @@ static void playback_stream_unlink(playback_stream *s) {
 
     pa_assert_se(pa_idxset_remove_by_data(s->connection->output_streams, s, NULL) == s);
     s->connection = NULL;
-    playback_stream_unref(s);    
+    playback_stream_unref(s);
 }
 
 static void playback_stream_free(pa_object* o) {
@@ -520,7 +700,7 @@ static void playback_stream_free(pa_object* o) {
     pa_assert(s);
 
     playback_stream_unlink(s);
-    
+
     pa_memblockq_free(s->memblockq);
     pa_xfree(s);
 }
@@ -535,23 +715,19 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata,
     switch (code) {
         case PLAYBACK_STREAM_MESSAGE_REQUEST_DATA: {
             pa_tagstruct *t;
-            int32_t l = 0;
+            uint32_t l = 0;
 
             for (;;) {
-                int32_t k;
-                
-                if ((k = pa_atomic_load(&s->missing)) <= 0)
+                if ((l = (uint32_t) pa_atomic_load(&s->missing)) <= 0)
                     break;
 
-                l += k;
-                
-                if (pa_atomic_sub(&s->missing, k) <= k)
+                if (pa_atomic_cmpxchg(&s->missing, (int) l, 0))
                     break;
             }
 
             if (l <= 0)
                 break;
-            
+
             t = pa_tagstruct_new(NULL, 0);
             pa_tagstruct_putu32(t, PA_COMMAND_REQUEST);
             pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
@@ -559,13 +735,15 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata,
             pa_tagstruct_putu32(t, l);
             pa_pstream_send_tagstruct(s->connection->pstream, t);
 
-/*             pa_log("Requesting %u bytes", l);     */
+/*             pa_log("Requesting %lu bytes", (unsigned long) l); */
             break;
         }
 
         case PLAYBACK_STREAM_MESSAGE_UNDERFLOW: {
             pa_tagstruct *t;
 
+/*             pa_log("signalling underflow"); */
+
             /* Report that we're empty */
             t = pa_tagstruct_new(NULL, 0);
             pa_tagstruct_putu32(t, PA_COMMAND_UNDERFLOW);
@@ -587,41 +765,222 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata,
             break;
         }
 
+        case PLAYBACK_STREAM_MESSAGE_STARTED:
+
+            if (s->connection->version >= 13) {
+                pa_tagstruct *t;
+
+                /* Notify the user we're overflowed*/
+                t = pa_tagstruct_new(NULL, 0);
+                pa_tagstruct_putu32(t, PA_COMMAND_STARTED);
+                pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+                pa_tagstruct_putu32(t, s->index);
+                pa_pstream_send_tagstruct(s->connection->pstream, t);
+            }
+
+            break;
+
         case PLAYBACK_STREAM_MESSAGE_DRAIN_ACK:
             pa_pstream_send_simple_ack(s->connection->pstream, PA_PTR_TO_UINT(userdata));
             break;
-
     }
 
     return 0;
 }
 
+static void fix_playback_buffer_attr_pre(
+        playback_stream *s,
+        pa_bool_t adjust_latency,
+        pa_bool_t early_requests,
+        uint32_t *maxlength,
+        uint32_t *tlength,
+        uint32_t* prebuf,
+        uint32_t* minreq) {
+
+    size_t frame_size;
+    pa_usec_t orig_tlength_usec, tlength_usec, orig_minreq_usec, minreq_usec, sink_usec;
+
+    pa_assert(s);
+    pa_assert(maxlength);
+    pa_assert(tlength);
+    pa_assert(prebuf);
+    pa_assert(minreq);
+
+    frame_size = pa_frame_size(&s->sink_input->sample_spec);
+
+    if (*maxlength == (uint32_t) -1 || *maxlength > MAX_MEMBLOCKQ_LENGTH)
+        *maxlength = MAX_MEMBLOCKQ_LENGTH;
+    if (*maxlength <= 0)
+        *maxlength = (uint32_t) frame_size;
+
+    if (*tlength == (uint32_t) -1)
+        *tlength = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_TLENGTH_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec);
+    if (*tlength <= 0)
+        *tlength = (uint32_t) frame_size;
+
+    if (*minreq == (uint32_t) -1)
+        *minreq = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_PROCESS_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec);
+    if (*minreq <= 0)
+        *minreq = (uint32_t) frame_size;
+
+    if (*tlength < *minreq+frame_size)
+        *tlength = *minreq+(uint32_t) frame_size;
+
+    orig_tlength_usec = tlength_usec = pa_bytes_to_usec(*tlength, &s->sink_input->sample_spec);
+    orig_minreq_usec = minreq_usec = pa_bytes_to_usec(*minreq, &s->sink_input->sample_spec);
+
+    pa_log_info("Requested tlength=%0.2f ms, minreq=%0.2f ms",
+                (double) tlength_usec / PA_USEC_PER_MSEC,
+                (double) minreq_usec / PA_USEC_PER_MSEC);
+
+    if (early_requests) {
+
+        /* In early request mode we need to emulate the classic
+         * fragment-based playback model. We do this setting the sink
+         * latency to the fragment size. */
+
+        sink_usec = minreq_usec;
+
+        pa_log_debug("Early requests mode enabled, configuring sink latency to minreq.");
+
+    } else if (adjust_latency) {
+
+        /* So, the user asked us to adjust the latency of the stream
+         * buffer according to the what the sink can provide. The
+         * tlength passed in shall be the overall latency. Roughly
+         * half the latency will be spent on the hw buffer, the other
+         * half of it in the async buffer queue we maintain for each
+         * client. In between we'll have a safety space of size
+         * 2*minreq. Why the 2*minreq? When the hw buffer is completey
+         * empty and needs to be filled, then our buffer must have
+         * enough data to fulfill this request immediatly and thus
+         * have at least the same tlength as the size of the hw
+         * buffer. It additionally needs space for 2 times minreq
+         * because if the buffer ran empty and a partial fillup
+         * happens immediately on the next iteration we need to be
+         * able to fulfill it and give the application also minreq
+         * time to fill it up again for the next request Makes 2 times
+         * minreq in plus.. */
+
+        if (tlength_usec > minreq_usec*2)
+            sink_usec = (tlength_usec - minreq_usec*2)/2;
+        else
+            sink_usec = 0;
+
+        pa_log_debug("Adjust latency mode enabled, configuring sink latency to half of overall latency.");
+
+    } else {
+
+        /* Ok, the user didn't ask us to adjust the latency, but we
+         * still need to make sure that the parameters from the user
+         * do make sense. */
+
+        if (tlength_usec > minreq_usec*2)
+            sink_usec = (tlength_usec - minreq_usec*2);
+        else
+            sink_usec = 0;
+
+        pa_log_debug("Traditional mode enabled, modifying sink usec only for compat with minreq.");
+    }
+
+    s->sink_latency = pa_sink_input_set_requested_latency(s->sink_input, sink_usec);
+
+    if (early_requests) {
+
+        /* Ok, we didn't necessarily get what we were asking for, so
+         * let's tell the user */
+
+        minreq_usec = s->sink_latency;
+
+    } else if (adjust_latency) {
+
+        /* Ok, we didn't necessarily get what we were asking for, so
+         * let's subtract from what we asked for for the remaining
+         * buffer space */
+
+        if (tlength_usec >= s->sink_latency)
+            tlength_usec -= s->sink_latency;
+    }
+
+    /* FIXME: This is actually larger than necessary, since not all of
+     * the sink latency is actually rewritable. */
+    if (tlength_usec < s->sink_latency + 2*minreq_usec)
+        tlength_usec = s->sink_latency + 2*minreq_usec;
+
+    if (pa_usec_to_bytes_round_up(orig_tlength_usec, &s->sink_input->sample_spec) !=
+        pa_usec_to_bytes_round_up(tlength_usec, &s->sink_input->sample_spec))
+        *tlength = (uint32_t) pa_usec_to_bytes_round_up(tlength_usec, &s->sink_input->sample_spec);
+
+    if (pa_usec_to_bytes(orig_minreq_usec, &s->sink_input->sample_spec) !=
+        pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec))
+        *minreq = (uint32_t) pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec);
+
+    if (*minreq <= 0) {
+        *minreq = (uint32_t) frame_size;
+        *tlength += (uint32_t) frame_size*2;
+    }
+
+    if (*tlength <= *minreq)
+        *tlength = *minreq*2 + (uint32_t) frame_size;
+
+    if (*prebuf == (uint32_t) -1 || *prebuf > *tlength)
+        *prebuf = *tlength;
+}
+
+static void fix_playback_buffer_attr_post(
+        playback_stream *s,
+        uint32_t *maxlength,
+        uint32_t *tlength,
+        uint32_t* prebuf,
+        uint32_t* minreq) {
+
+    pa_assert(s);
+    pa_assert(maxlength);
+    pa_assert(tlength);
+    pa_assert(prebuf);
+    pa_assert(minreq);
+
+    *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq);
+    *tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq);
+    *prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq);
+    *minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq);
+
+    s->minreq = *minreq;
+}
+
 static playback_stream* playback_stream_new(
-        connection *c,
+        pa_native_connection *c,
         pa_sink *sink,
-        const pa_sample_spec *ss,
-        const pa_channel_map *map,
-        const char *name,
+        pa_sample_spec *ss,
+        pa_channel_map *map,
         uint32_t *maxlength,
         uint32_t *tlength,
         uint32_t *prebuf,
         uint32_t *minreq,
         pa_cvolume *volume,
+        pa_bool_t muted,
         uint32_t syncid,
-        int corked,
-        uint32_t *missing) {
+        uint32_t *missing,
+        pa_sink_input_flags_t flags,
+        pa_proplist *p,
+        pa_bool_t adjust_latency,
+        pa_bool_t early_requests) {
 
     playback_stream *s, *ssync;
     pa_sink_input *sink_input;
-    pa_memblock *silence;
+    pa_memchunk silence;
     uint32_t idx;
     int64_t start_index;
     pa_sink_input_new_data data;
 
     pa_assert(c);
     pa_assert(ss);
-    pa_assert(name);
     pa_assert(maxlength);
+    pa_assert(tlength);
+    pa_assert(prebuf);
+    pa_assert(minreq);
+    pa_assert(missing);
+    pa_assert(p);
 
     /* Find syncid group */
     for (ssync = pa_idxset_first(c->output_streams, &idx); ssync; ssync = pa_idxset_next(c->output_streams, &idx)) {
@@ -643,17 +1002,25 @@ static playback_stream* playback_stream_new(
     }
 
     pa_sink_input_new_data_init(&data);
-    data.sink = sink;
+
+    pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p);
+    pa_proplist_update(data.proplist, PA_UPDATE_MERGE, c->client->proplist);
     data.driver = __FILE__;
-    data.name = name;
+    data.module = c->options->module;
+    data.client = c->client;
+    data.sink = sink;
     pa_sink_input_new_data_set_sample_spec(&data, ss);
     pa_sink_input_new_data_set_channel_map(&data, map);
-    pa_sink_input_new_data_set_volume(&data, volume);
-    data.module = c->protocol->module;
-    data.client = c->client;
+    if (volume)
+        pa_sink_input_new_data_set_volume(&data, volume);
+    pa_sink_input_new_data_set_muted(&data, muted);
     data.sync_base = ssync ? ssync->sink_input : NULL;
 
-    if (!(sink_input = pa_sink_input_new(c->protocol->core, &data, corked ? PA_SINK_INPUT_START_CORKED : 0)))
+    sink_input = pa_sink_input_new(c->protocol->core, &data, flags);
+
+    pa_sink_input_new_data_done(&data);
+
+    if (!sink_input)
         return NULL;
 
     s = pa_msgobject_new(playback_stream);
@@ -662,55 +1029,96 @@ static playback_stream* playback_stream_new(
     s->connection = c;
     s->syncid = syncid;
     s->sink_input = sink_input;
-    s->underrun = 1;
+    s->is_underrun = TRUE;
+    s->drain_request = FALSE;
+    pa_atomic_store(&s->missing, 0);
 
     s->sink_input->parent.process_msg = sink_input_process_msg;
-    s->sink_input->peek = sink_input_peek_cb;
-    s->sink_input->drop = sink_input_drop_cb;
+    s->sink_input->pop = sink_input_pop_cb;
+    s->sink_input->process_rewind = sink_input_process_rewind_cb;
+    s->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
+    s->sink_input->update_max_request = sink_input_update_max_request_cb;
     s->sink_input->kill = sink_input_kill_cb;
+    s->sink_input->moved = sink_input_moved_cb;
+    s->sink_input->suspend = sink_input_suspend_cb;
     s->sink_input->userdata = s;
 
     start_index = ssync ? pa_memblockq_get_read_index(ssync->memblockq) : 0;
 
-    silence = pa_silence_memblock_new(c->protocol->core->mempool, ss, 0);
+    fix_playback_buffer_attr_pre(s, adjust_latency, early_requests, maxlength, tlength, prebuf, minreq);
+    pa_sink_input_get_silence(sink_input, &silence);
 
     s->memblockq = pa_memblockq_new(
             start_index,
             *maxlength,
             *tlength,
-            pa_frame_size(ss),
+            pa_frame_size(&sink_input->sample_spec),
             *prebuf,
             *minreq,
-            silence);
+            0,
+            &silence);
 
-    pa_memblock_unref(silence);
+    pa_memblock_unref(silence.memblock);
+    fix_playback_buffer_attr_post(s, maxlength, tlength, prebuf, minreq);
 
-    *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq);
-    *tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq);
-    *prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq);
-    *minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq);
-    *missing = (uint32_t) pa_memblockq_missing(s->memblockq);
-    
-    pa_atomic_store(&s->missing, 0);
-    s->last_missing = *missing;
-    s->drain_request = 0;
+    *missing = (uint32_t) pa_memblockq_pop_missing(s->memblockq);
+
+    *ss = s->sink_input->sample_spec;
+    *map = s->sink_input->channel_map;
 
     pa_idxset_put(c->output_streams, s, &s->index);
 
+    pa_log_info("Final latency %0.2f ms = %0.2f ms + 2*%0.2f ms + %0.2f ms",
+                ((double) pa_bytes_to_usec(*tlength, &sink_input->sample_spec) + (double) s->sink_latency) / PA_USEC_PER_MSEC,
+                (double) pa_bytes_to_usec(*tlength-*minreq*2, &sink_input->sample_spec) / PA_USEC_PER_MSEC,
+                (double) pa_bytes_to_usec(*minreq, &sink_input->sample_spec) / PA_USEC_PER_MSEC,
+                (double) s->sink_latency / PA_USEC_PER_MSEC);
+
     pa_sink_input_put(s->sink_input);
-    
     return s;
 }
 
-static int connection_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) {
-    connection *c = CONNECTION(o);
-    connection_assert_ref(c);
+/* Called from thread context */
+static void playback_stream_request_bytes(playback_stream *s) {
+    size_t m, previous_missing;
+
+    playback_stream_assert_ref(s);
+
+    m = pa_memblockq_pop_missing(s->memblockq);
+
+    if (m <= 0)
+        return;
+
+/*     pa_log("request_bytes(%lu)", (unsigned long) m); */
+
+    previous_missing = (size_t) pa_atomic_add(&s->missing, (int) m);
+
+    if (pa_memblockq_prebuf_active(s->memblockq) ||
+        (previous_missing < s->minreq && previous_missing+m >= s->minreq))
+        pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL);
+}
+
+
+static void playback_stream_send_killed(playback_stream *p) {
+    pa_tagstruct *t;
+    playback_stream_assert_ref(p);
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_KILLED);
+    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+    pa_tagstruct_putu32(t, p->index);
+    pa_pstream_send_tagstruct(p->connection->pstream, t);
+}
+
+static int native_connection_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(o);
+    pa_native_connection_assert_ref(c);
 
     if (!c->protocol)
         return -1;
-    
+
     switch (code) {
-        
+
         case CONNECTION_MESSAGE_REVOKE:
             pa_pstream_send_revoke(c->pstream, PA_PTR_TO_UINT(userdata));
             break;
@@ -723,7 +1131,7 @@ static int connection_process_msg(pa_msgobject *o, int code, void*userdata, int6
     return 0;
 }
 
-static void connection_unlink(connection *c) {
+static void native_connection_unlink(pa_native_connection *c) {
     record_stream *r;
     output_stream *o;
 
@@ -732,6 +1140,11 @@ static void connection_unlink(connection *c) {
     if (!c->protocol)
         return;
 
+    pa_hook_fire(&c->protocol->hooks[PA_NATIVE_HOOK_CONNECTION_UNLINK], c);
+
+    if (c->options)
+        pa_native_options_unref(c->options);
+
     while ((r = pa_idxset_first(c->record_streams, NULL)))
         record_stream_unlink(r);
 
@@ -751,19 +1164,19 @@ static void connection_unlink(connection *c) {
         c->protocol->core->mainloop->time_free(c->auth_timeout_event);
         c->auth_timeout_event = NULL;
     }
-    
+
     pa_assert_se(pa_idxset_remove_by_data(c->protocol->connections, c, NULL) == c);
     c->protocol = NULL;
-    connection_unref(c);
+    pa_native_connection_unref(c);
 }
 
-static void connection_free(pa_object *o) {
-    connection *c = CONNECTION(o);
-    
+static void native_connection_free(pa_object *o) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(o);
+
     pa_assert(c);
 
-    connection_unlink(c);
-    
+    native_connection_unlink(c);
+
     pa_idxset_free(c->record_streams, NULL, NULL);
     pa_idxset_free(c->output_streams, NULL, NULL);
 
@@ -774,29 +1187,7 @@ static void connection_free(pa_object *o) {
     pa_xfree(c);
 }
 
-/* Called from thread context */
-static void request_bytes(playback_stream *s) {
-    size_t new_missing, delta, previous_missing;
-    size_t minreq;
-
-    playback_stream_assert_ref(s);
-
-    new_missing = pa_memblockq_missing(s->memblockq);
-    delta = new_missing > s->last_missing ? new_missing - s->last_missing : 0;
-    s->last_missing = new_missing;
-
-    if (delta <= 0)
-        return;
-
-/*     pa_log("request_bytes(%u)", delta); */
-    minreq = pa_memblockq_get_minreq(s->memblockq);
-
-    previous_missing = pa_atomic_add(&s->missing, delta);
-    if (previous_missing < minreq && previous_missing+delta >= minreq)
-        pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL);
-}
-
-static void send_memblock(connection *c) {
+static void native_connection_send_memblock(pa_native_connection *c) {
     uint32_t start;
     record_stream *r;
 
@@ -819,7 +1210,7 @@ static void send_memblock(connection *c) {
                 schunk.length = r->fragment_size;
 
             pa_pstream_send_memblock(c->pstream, r->index, 0, PA_SEEK_RELATIVE, &schunk);
-            
+
             pa_memblockq_drop(r->memblockq, schunk.length);
             pa_memblock_unref(schunk.memblock);
 
@@ -828,29 +1219,44 @@ static void send_memblock(connection *c) {
     }
 }
 
-static void send_playback_stream_killed(playback_stream *p) {
-    pa_tagstruct *t;
-    playback_stream_assert_ref(p);
+/*** sink input callbacks ***/
 
-    t = pa_tagstruct_new(NULL, 0);
-    pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_KILLED);
-    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
-    pa_tagstruct_putu32(t, p->index);
-    pa_pstream_send_tagstruct(p->connection->pstream, t);
-}
+static void handle_seek(playback_stream *s, int64_t indexw) {
+    playback_stream_assert_ref(s);
 
-static void send_record_stream_killed(record_stream *r) {
-    pa_tagstruct *t;
-    record_stream_assert_ref(r);
+/*     pa_log("handle_seek: %llu -- %i", (unsigned long long) s->sink_input->thread_info.underrun_for, pa_memblockq_is_readable(s->memblockq)); */
 
-    t = pa_tagstruct_new(NULL, 0);
-    pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_KILLED);
-    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
-    pa_tagstruct_putu32(t, r->index);
-    pa_pstream_send_tagstruct(r->connection->pstream, t);
-}
+    if (s->sink_input->thread_info.underrun_for > 0) {
 
-/*** sink input callbacks ***/
+/*         pa_log("%lu vs. %lu", (unsigned long) pa_memblockq_get_length(s->memblockq), (unsigned long) pa_memblockq_get_prebuf(s->memblockq)); */
+
+        if (pa_memblockq_is_readable(s->memblockq)) {
+
+            /* We just ended an underrun, let's ask the sink
+             * for a complete rewind rewrite */
+
+            pa_log_debug("Requesting rewind due to end of underrun.");
+            pa_sink_input_request_rewind(s->sink_input,
+                                         (size_t) (s->sink_input->thread_info.underrun_for == (size_t) -1 ? 0 : s->sink_input->thread_info.underrun_for),
+                                         FALSE, TRUE);
+        }
+
+    } else {
+        int64_t indexr;
+
+        indexr = pa_memblockq_get_read_index(s->memblockq);
+
+        if (indexw < indexr) {
+            /* OK, the sink already asked for this data, so
+             * let's have it usk us again */
+
+            pa_log_debug("Requesting rewind due to rewrite.");
+            pa_sink_input_request_rewind(s->sink_input, (size_t) (indexr - indexw), TRUE, FALSE);
+        }
+    }
+
+    playback_stream_request_bytes(s);
+}
 
 /* Called from thread context */
 static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
@@ -863,58 +1269,57 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
 
     switch (code) {
 
-        case SINK_INPUT_MESSAGE_SEEK: 
+        case SINK_INPUT_MESSAGE_SEEK: {
+            int64_t windex;
+
+            windex = pa_memblockq_get_write_index(s->memblockq);
             pa_memblockq_seek(s->memblockq, offset, PA_PTR_TO_UINT(userdata));
-            request_bytes(s);
+
+            handle_seek(s, windex);
             return 0;
+        }
 
         case SINK_INPUT_MESSAGE_POST_DATA: {
+            int64_t windex;
+
             pa_assert(chunk);
 
-            if (pa_memblockq_push_align(s->memblockq, chunk) < 0) {
+            windex = pa_memblockq_get_write_index(s->memblockq);
 
+/*             pa_log("sink input post: %lu %lli", (unsigned long) chunk->length, (long long) windex); */
+
+            if (pa_memblockq_push_align(s->memblockq, chunk) < 0) {
                 pa_log_warn("Failed to push data into queue");
                 pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_OVERFLOW, NULL, 0, NULL, NULL);
-                pa_memblockq_seek(s->memblockq, chunk->length, PA_SEEK_RELATIVE);
+                pa_memblockq_seek(s->memblockq, (int64_t) chunk->length, PA_SEEK_RELATIVE);
             }
 
-            request_bytes(s);
-
-            s->underrun = 0;
-            return 0;
-        }
-
-        case SINK_INPUT_MESSAGE_DRAIN: {
-
-            pa_memblockq_prebuf_disable(s->memblockq);
+            handle_seek(s, windex);
 
-            if (!pa_memblockq_is_readable(s->memblockq))
-                pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, userdata, 0, NULL, NULL);
-            else {
-                s->drain_tag = PA_PTR_TO_UINT(userdata);
-                s->drain_request = 1;
-            }
-            request_bytes(s);
+/*             pa_log("sink input post2: %lu", (unsigned long) pa_memblockq_get_length(s->memblockq)); */
 
             return 0;
         }
 
+        case SINK_INPUT_MESSAGE_DRAIN:
         case SINK_INPUT_MESSAGE_FLUSH:
         case SINK_INPUT_MESSAGE_PREBUF_FORCE:
         case SINK_INPUT_MESSAGE_TRIGGER: {
-            
+
+            int64_t windex;
             pa_sink_input *isync;
             void (*func)(pa_memblockq *bq);
 
             switch  (code) {
                 case SINK_INPUT_MESSAGE_FLUSH:
-                    func = pa_memblockq_flush;
+                    func = pa_memblockq_flush_write;
                     break;
-                    
+
                 case SINK_INPUT_MESSAGE_PREBUF_FORCE:
                     func = pa_memblockq_prebuf_force;
                     break;
-                    
+
+                case SINK_INPUT_MESSAGE_DRAIN:
                 case SINK_INPUT_MESSAGE_TRIGGER:
                     func = pa_memblockq_prebuf_disable;
                     break;
@@ -922,41 +1327,57 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
                 default:
                     pa_assert_not_reached();
             }
-            
+
+            windex = pa_memblockq_get_write_index(s->memblockq);
             func(s->memblockq);
-            s->underrun = 0;
-            request_bytes(s);
+            handle_seek(s, windex);
 
             /* Do the same for all other members in the sync group */
             for (isync = i->sync_prev; isync; isync = isync->sync_prev) {
                 playback_stream *ssync = PLAYBACK_STREAM(isync->userdata);
+                windex = pa_memblockq_get_write_index(ssync->memblockq);
                 func(ssync->memblockq);
-                ssync->underrun = 0;
-                request_bytes(ssync);
+                handle_seek(ssync, windex);
             }
 
             for (isync = i->sync_next; isync; isync = isync->sync_next) {
                 playback_stream *ssync = PLAYBACK_STREAM(isync->userdata);
+                windex = pa_memblockq_get_write_index(ssync->memblockq);
                 func(ssync->memblockq);
-                ssync->underrun = 0;
-                request_bytes(ssync);
+                handle_seek(ssync, windex);
             }
-            
+
+            if (code == SINK_INPUT_MESSAGE_DRAIN) {
+                if (!pa_memblockq_is_readable(s->memblockq))
+                    pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, userdata, 0, NULL, NULL);
+                else {
+                    s->drain_tag = PA_PTR_TO_UINT(userdata);
+                    s->drain_request = TRUE;
+                }
+            }
+
             return 0;
         }
 
-        case SINK_INPUT_MESSAGE_UPDATE_LATENCY: 
+        case SINK_INPUT_MESSAGE_UPDATE_LATENCY:
 
             s->read_index = pa_memblockq_get_read_index(s->memblockq);
             s->write_index = pa_memblockq_get_write_index(s->memblockq);
-            s->resampled_chunk_length = s->sink_input->thread_info.resampled_chunk.memblock ? s->sink_input->thread_info.resampled_chunk.length : 0;
+            s->render_memblockq_length = pa_memblockq_get_length(s->sink_input->thread_info.render_memblockq);
             return 0;
-            
-        case PA_SINK_INPUT_MESSAGE_SET_STATE:
+
+        case PA_SINK_INPUT_MESSAGE_SET_STATE: {
+            int64_t windex;
+
+            windex = pa_memblockq_get_write_index(s->memblockq);
 
             pa_memblockq_prebuf_force(s->memblockq);
-            request_bytes(s);
+
+            handle_seek(s, windex);
+
+            /* Fall through to the default handler */
             break;
+        }
 
         case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
             pa_usec_t *r = userdata;
@@ -973,7 +1394,7 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
 }
 
 /* Called from thread context */
-static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) {
+static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk) {
     playback_stream *s;
 
     pa_sink_input_assert_ref(i);
@@ -981,44 +1402,79 @@ static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chun
     playback_stream_assert_ref(s);
     pa_assert(chunk);
 
-    if (pa_memblockq_get_length(s->memblockq) <= 0 && !s->underrun) {
-        pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_UNDERFLOW, NULL, 0, NULL, NULL);
-        s->underrun = 1;
+/*     pa_log("%s, pop(): %lu", pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME), (unsigned long) pa_memblockq_get_length(s->memblockq)); */
+
+    if (pa_memblockq_is_readable(s->memblockq))
+        s->is_underrun = FALSE;
+    else {
+/*         pa_log("%s, UNDERRUN: %lu", pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME), (unsigned long) pa_memblockq_get_length(s->memblockq)); */
+
+        if (s->drain_request && pa_sink_input_safe_to_remove(i)) {
+            s->drain_request = FALSE;
+            pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, PA_UINT_TO_PTR(s->drain_tag), 0, NULL, NULL);
+        } else if (!s->is_underrun)
+            pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_UNDERFLOW, NULL, 0, NULL, NULL);
+
+        s->is_underrun = TRUE;
+
+        playback_stream_request_bytes(s);
     }
 
-    if (pa_memblockq_peek(s->memblockq, chunk) < 0) {
-/*         pa_log("peek: failure");     */
+    /* This call will not fail with prebuf=0, hence we check for
+       underrun explicitly above */
+    if (pa_memblockq_peek(s->memblockq, chunk) < 0)
         return -1;
-    }
 
-/*     pa_log("peek: %u", chunk->length);     */
+    chunk->length = PA_MIN(nbytes, chunk->length);
 
-    request_bytes(s);
+    if (i->thread_info.underrun_for > 0)
+        pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_STARTED, NULL, 0, NULL, NULL);
+
+    pa_memblockq_drop(s->memblockq, chunk->length);
+    playback_stream_request_bytes(s);
 
     return 0;
 }
 
-/* Called from thread context */
-static void sink_input_drop_cb(pa_sink_input *i, size_t length) {
+static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
     playback_stream *s;
 
     pa_sink_input_assert_ref(i);
     s = PLAYBACK_STREAM(i->userdata);
     playback_stream_assert_ref(s);
-    pa_assert(length > 0);
 
-    pa_memblockq_drop(s->memblockq, length);
+    /* If we are in an underrun, then we don't rewind */
+    if (i->thread_info.underrun_for > 0)
+        return;
 
-    if (s->drain_request && !pa_memblockq_is_readable(s->memblockq)) {
-        s->drain_request = 0;
-        pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, PA_UINT_TO_PTR(s->drain_tag), 0, NULL, NULL);
-    }
+    pa_memblockq_rewind(s->memblockq, nbytes);
+}
 
-    request_bytes(s);
+static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) {
+    playback_stream *s;
+
+    pa_sink_input_assert_ref(i);
+    s = PLAYBACK_STREAM(i->userdata);
+    playback_stream_assert_ref(s);
 
-/*     pa_log("after_drop: %u %u", pa_memblockq_get_length(s->memblockq), pa_memblockq_is_readable(s->memblockq));   */
+    pa_memblockq_set_maxrewind(s->memblockq, nbytes);
 }
 
+static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes) {
+    playback_stream *s;
+    size_t tlength;
+
+    pa_sink_input_assert_ref(i);
+    s = PLAYBACK_STREAM(i->userdata);
+    playback_stream_assert_ref(s);
+
+    tlength = nbytes+2*pa_memblockq_get_minreq(s->memblockq);
+
+    if (pa_memblockq_get_tlength(s->memblockq) < tlength)
+        pa_memblockq_set_tlength(s->memblockq, tlength);
+}
+
+/* Called from main context */
 static void sink_input_kill_cb(pa_sink_input *i) {
     playback_stream *s;
 
@@ -1026,10 +1482,74 @@ static void sink_input_kill_cb(pa_sink_input *i) {
     s = PLAYBACK_STREAM(i->userdata);
     playback_stream_assert_ref(s);
 
-    send_playback_stream_killed(s);
+    playback_stream_send_killed(s);
     playback_stream_unlink(s);
 }
 
+/* Called from main context */
+static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend) {
+    playback_stream *s;
+    pa_tagstruct *t;
+
+    pa_sink_input_assert_ref(i);
+    s = PLAYBACK_STREAM(i->userdata);
+    playback_stream_assert_ref(s);
+
+    if (s->connection->version < 12)
+      return;
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_SUSPENDED);
+    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+    pa_tagstruct_putu32(t, s->index);
+    pa_tagstruct_put_boolean(t, suspend);
+    pa_pstream_send_tagstruct(s->connection->pstream, t);
+}
+
+/* Called from main context */
+static void sink_input_moved_cb(pa_sink_input *i) {
+    playback_stream *s;
+    pa_tagstruct *t;
+    uint32_t maxlength, tlength, prebuf, minreq;
+
+    pa_sink_input_assert_ref(i);
+    s = PLAYBACK_STREAM(i->userdata);
+    playback_stream_assert_ref(s);
+
+    maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq);
+    tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq);
+    prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq);
+    minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq);
+
+    fix_playback_buffer_attr_pre(s, TRUE, FALSE, &maxlength, &tlength, &prebuf, &minreq);
+    pa_memblockq_set_maxlength(s->memblockq, maxlength);
+    pa_memblockq_set_tlength(s->memblockq, tlength);
+    pa_memblockq_set_prebuf(s->memblockq, prebuf);
+    pa_memblockq_set_minreq(s->memblockq, minreq);
+    fix_playback_buffer_attr_post(s, &maxlength, &tlength, &prebuf, &minreq);
+
+    if (s->connection->version < 12)
+      return;
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_MOVED);
+    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+    pa_tagstruct_putu32(t, s->index);
+    pa_tagstruct_putu32(t, i->sink->index);
+    pa_tagstruct_puts(t, i->sink->name);
+    pa_tagstruct_put_boolean(t, pa_sink_get_state(i->sink) == PA_SINK_SUSPENDED);
+
+    if (s->connection->version >= 13) {
+        pa_tagstruct_putu32(t, maxlength);
+        pa_tagstruct_putu32(t, tlength);
+        pa_tagstruct_putu32(t, prebuf);
+        pa_tagstruct_putu32(t, minreq);
+        pa_tagstruct_put_usec(t, s->sink_latency);
+    }
+
+    pa_pstream_send_tagstruct(s->connection->pstream, t);
+}
+
 /*** source_output callbacks ***/
 
 /* Called from thread context */
@@ -1051,7 +1571,7 @@ static void source_output_kill_cb(pa_source_output *o) {
     s = RECORD_STREAM(o->userdata);
     record_stream_assert_ref(s);
 
-    send_record_stream_killed(s);
+    record_stream_send_killed(s);
     record_stream_unlink(s);
 }
 
@@ -1067,11 +1587,68 @@ static pa_usec_t source_output_get_latency_cb(pa_source_output *o) {
     return pa_bytes_to_usec(pa_memblockq_get_length(s->memblockq), &o->sample_spec);
 }
 
+/* Called from main context */
+static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend) {
+    record_stream *s;
+    pa_tagstruct *t;
+
+    pa_source_output_assert_ref(o);
+    s = RECORD_STREAM(o->userdata);
+    record_stream_assert_ref(s);
+
+    if (s->connection->version < 12)
+      return;
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_SUSPENDED);
+    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+    pa_tagstruct_putu32(t, s->index);
+    pa_tagstruct_put_boolean(t, suspend);
+    pa_pstream_send_tagstruct(s->connection->pstream, t);
+}
+
+/* Called from main context */
+static void source_output_moved_cb(pa_source_output *o) {
+    record_stream *s;
+    pa_tagstruct *t;
+    uint32_t maxlength, fragsize;
+
+    pa_source_output_assert_ref(o);
+    s = RECORD_STREAM(o->userdata);
+    record_stream_assert_ref(s);
+
+    fragsize = (uint32_t) s->fragment_size;
+    maxlength = (uint32_t) pa_memblockq_get_length(s->memblockq);
+
+    fix_record_buffer_attr_pre(s, TRUE, FALSE, &maxlength, &fragsize);
+    pa_memblockq_set_maxlength(s->memblockq, maxlength);
+    fix_record_buffer_attr_post(s, &maxlength, &fragsize);
+
+    if (s->connection->version < 12)
+      return;
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_MOVED);
+    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+    pa_tagstruct_putu32(t, s->index);
+    pa_tagstruct_putu32(t, o->source->index);
+    pa_tagstruct_puts(t, o->source->name);
+    pa_tagstruct_put_boolean(t, pa_source_get_state(o->source) == PA_SOURCE_SUSPENDED);
+
+    if (s->connection->version >= 13) {
+        pa_tagstruct_putu32(t, maxlength);
+        pa_tagstruct_putu32(t, fragsize);
+        pa_tagstruct_put_usec(t, s->source_latency);
+    }
+
+    pa_pstream_send_tagstruct(s->connection->pstream, t);
+}
+
 /*** pdispatch callbacks ***/
 
-static void protocol_error(connection *c) {
+static void protocol_error(pa_native_connection *c) {
     pa_log("protocol error, kicking client");
-    connection_unlink(c);
+    native_connection_unlink(c);
 }
 
 #define CHECK_VALIDITY(pstream, expression, tag, error) do { \
@@ -1090,61 +1667,144 @@ static pa_tagstruct *reply_new(uint32_t tag) {
     return reply;
 }
 
-static void command_create_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     playback_stream *s;
     uint32_t maxlength, tlength, prebuf, minreq, sink_index, syncid, missing;
-    const char *name, *sink_name;
+    const char *name = NULL, *sink_name;
     pa_sample_spec ss;
     pa_channel_map map;
     pa_tagstruct *reply;
     pa_sink *sink = NULL;
     pa_cvolume volume;
-    int corked;
-    
-    connection_assert_ref(c);
+    pa_bool_t
+        corked = FALSE,
+        no_remap = FALSE,
+        no_remix = FALSE,
+        fix_format = FALSE,
+        fix_rate = FALSE,
+        fix_channels = FALSE,
+        no_move = FALSE,
+        variable_rate = FALSE,
+        muted = FALSE,
+        adjust_latency = FALSE,
+        early_requests = FALSE;
+
+    pa_sink_input_flags_t flags = 0;
+    pa_proplist *p;
+    pa_bool_t volume_set = TRUE;
+
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
-    if (pa_tagstruct_get(
-            t,
-            PA_TAG_STRING, &name,
-            PA_TAG_SAMPLE_SPEC, &ss,
-            PA_TAG_CHANNEL_MAP, &map,
-            PA_TAG_U32, &sink_index,
-            PA_TAG_STRING, &sink_name,
-            PA_TAG_U32, &maxlength,
-            PA_TAG_BOOLEAN, &corked,
-            PA_TAG_U32, &tlength,
-            PA_TAG_U32, &prebuf,
-            PA_TAG_U32, &minreq,
-            PA_TAG_U32, &syncid,
-            PA_TAG_CVOLUME, &volume,
-            PA_TAG_INVALID) < 0 ||
-        !pa_tagstruct_eof(t) ||
-        !name) {
+    if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) ||
+        pa_tagstruct_get(
+                t,
+                PA_TAG_SAMPLE_SPEC, &ss,
+                PA_TAG_CHANNEL_MAP, &map,
+                PA_TAG_U32, &sink_index,
+                PA_TAG_STRING, &sink_name,
+                PA_TAG_U32, &maxlength,
+                PA_TAG_BOOLEAN, &corked,
+                PA_TAG_U32, &tlength,
+                PA_TAG_U32, &prebuf,
+                PA_TAG_U32, &minreq,
+                PA_TAG_U32, &syncid,
+                PA_TAG_CVOLUME, &volume,
+                PA_TAG_INVALID) < 0) {
+
         protocol_error(c);
         return;
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
-    CHECK_VALIDITY(c->pstream, sink_index != PA_INVALID_INDEX || !sink_name || (*sink_name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !sink_name || pa_namereg_is_valid_name(sink_name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, sink_index == PA_INVALID_INDEX || !sink_name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !sink_name || sink_index == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, map.channels == ss.channels && volume.channels == ss.channels, tag, PA_ERR_INVALID);
-    CHECK_VALIDITY(c->pstream, maxlength > 0 && maxlength <= MAX_MEMBLOCKQ_LENGTH, tag, PA_ERR_INVALID);
-    CHECK_VALIDITY(c->pstream, maxlength >= pa_frame_size(&ss), tag, PA_ERR_INVALID);
+
+    p = pa_proplist_new();
+
+    if (name)
+        pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name);
+
+    if (c->version >= 12)  {
+        /* Since 0.9.8 the user can ask for a couple of additional flags */
+
+        if (pa_tagstruct_get_boolean(t, &no_remap) < 0 ||
+            pa_tagstruct_get_boolean(t, &no_remix) < 0 ||
+            pa_tagstruct_get_boolean(t, &fix_format) < 0 ||
+            pa_tagstruct_get_boolean(t, &fix_rate) < 0 ||
+            pa_tagstruct_get_boolean(t, &fix_channels) < 0 ||
+            pa_tagstruct_get_boolean(t, &no_move) < 0 ||
+            pa_tagstruct_get_boolean(t, &variable_rate) < 0) {
+
+            protocol_error(c);
+            pa_proplist_free(p);
+            return;
+        }
+    }
+
+    if (c->version >= 13) {
+
+        if (pa_tagstruct_get_boolean(t, &muted) < 0 ||
+            pa_tagstruct_get_boolean(t, &adjust_latency) < 0 ||
+            pa_tagstruct_get_proplist(t, p) < 0) {
+            protocol_error(c);
+            pa_proplist_free(p);
+            return;
+        }
+    }
+
+    if (c->version >= 14) {
+
+        if (pa_tagstruct_get_boolean(t, &volume_set) < 0 ||
+            pa_tagstruct_get_boolean(t, &early_requests) < 0) {
+            protocol_error(c);
+            pa_proplist_free(p);
+            return;
+        }
+    }
+
+    if (!pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        pa_proplist_free(p);
+        return;
+    }
 
     if (sink_index != PA_INVALID_INDEX) {
-        sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index);
-        CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
+
+        if (!(sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index))) {
+            pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+            pa_proplist_free(p);
+            return;
+        }
+
     } else if (sink_name) {
-        sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK, 1);
-        CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
+
+        if (!(sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK, 1))) {
+            pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+            pa_proplist_free(p);
+            return;
+        }
     }
 
-    s = playback_stream_new(c, sink, &ss, &map, name, &maxlength, &tlength, &prebuf, &minreq, &volume, syncid, corked, &missing);
+    flags =
+        (corked ?  PA_SINK_INPUT_START_CORKED : 0) |
+        (no_remap ?  PA_SINK_INPUT_NO_REMAP : 0) |
+        (no_remix ?  PA_SINK_INPUT_NO_REMIX : 0) |
+        (fix_format ?  PA_SINK_INPUT_FIX_FORMAT : 0) |
+        (fix_rate ?  PA_SINK_INPUT_FIX_RATE : 0) |
+        (fix_channels ?  PA_SINK_INPUT_FIX_CHANNELS : 0) |
+        (no_move ?  PA_SINK_INPUT_DONT_MOVE : 0) |
+        (variable_rate ?  PA_SINK_INPUT_VARIABLE_RATE : 0);
+
+    s = playback_stream_new(c, sink, &ss, &map, &maxlength, &tlength, &prebuf, &minreq, volume_set ? &volume : NULL, muted, syncid, &missing, flags, p, adjust_latency, early_requests);
+    pa_proplist_free(p);
+
     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
 
     reply = reply_new(tag);
@@ -1154,9 +1814,9 @@ static void command_create_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GC
     pa_tagstruct_putu32(reply, missing);
 
 /*     pa_log("initial request is %u", missing); */
-    
+
     if (c->version >= 9) {
-        /* Since 0.9 we support sending the buffer metrics back to the client */
+        /* Since 0.9.0 we support sending the buffer metrics back to the client */
 
         pa_tagstruct_putu32(reply, (uint32_t) maxlength);
         pa_tagstruct_putu32(reply, (uint32_t) tlength);
@@ -1164,14 +1824,31 @@ static void command_create_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GC
         pa_tagstruct_putu32(reply, (uint32_t) minreq);
     }
 
+    if (c->version >= 12) {
+        /* Since 0.9.8 we support sending the chosen sample
+         * spec/channel map/device/suspend status back to the
+         * client */
+
+        pa_tagstruct_put_sample_spec(reply, &ss);
+        pa_tagstruct_put_channel_map(reply, &map);
+
+        pa_tagstruct_putu32(reply, s->sink_input->sink->index);
+        pa_tagstruct_puts(reply, s->sink_input->sink->name);
+
+        pa_tagstruct_put_boolean(reply, pa_sink_get_state(s->sink_input->sink) == PA_SINK_SUSPENDED);
+    }
+
+    if (c->version >= 13)
+        pa_tagstruct_put_usec(reply, s->sink_latency);
+
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_delete_stream(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_delete_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t channel;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &channel) < 0 ||
@@ -1183,25 +1860,25 @@ static void command_delete_stream(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t comma
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
 
     switch (command) {
-        
+
         case PA_COMMAND_DELETE_PLAYBACK_STREAM: {
             playback_stream *s;
             if (!(s = pa_idxset_get_by_index(c->output_streams, channel)) || !playback_stream_isinstance(s)) {
                 pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
                 return;
             }
-            
+
             playback_stream_unlink(s);
             break;
         }
-            
+
         case PA_COMMAND_DELETE_RECORD_STREAM: {
             record_stream *s;
             if (!(s = pa_idxset_get_by_index(c->record_streams, channel))) {
                 pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
                 return;
             }
-            
+
             record_stream_unlink(s);
             break;
         }
@@ -1213,7 +1890,7 @@ static void command_delete_stream(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t comma
                 pa_pstream_send_error(c->pstream, tag, PA_ERR_EXIST);
                 return;
             }
-            
+
             upload_stream_unlink(s);
             break;
         }
@@ -1225,51 +1902,144 @@ static void command_delete_stream(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t comma
     pa_pstream_send_simple_ack(c->pstream, tag);
 }
 
-static void command_create_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     record_stream *s;
     uint32_t maxlength, fragment_size;
     uint32_t source_index;
-    const char *name, *source_name;
+    const char *name = NULL, *source_name;
     pa_sample_spec ss;
     pa_channel_map map;
     pa_tagstruct *reply;
     pa_source *source = NULL;
-    int corked;
-
-    connection_assert_ref(c);
+    pa_bool_t
+        corked = FALSE,
+        no_remap = FALSE,
+        no_remix = FALSE,
+        fix_format = FALSE,
+        fix_rate = FALSE,
+        fix_channels = FALSE,
+        no_move = FALSE,
+        variable_rate = FALSE,
+        adjust_latency = FALSE,
+        peak_detect = FALSE,
+        early_requests = FALSE;
+    pa_source_output_flags_t flags = 0;
+    pa_proplist *p;
+    uint32_t direct_on_input_idx = PA_INVALID_INDEX;
+    pa_sink_input *direct_on_input = NULL;
+
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
-    if (pa_tagstruct_gets(t, &name) < 0 ||
+    if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) ||
         pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
         pa_tagstruct_get_channel_map(t, &map) < 0 ||
         pa_tagstruct_getu32(t, &source_index) < 0 ||
         pa_tagstruct_gets(t, &source_name) < 0 ||
         pa_tagstruct_getu32(t, &maxlength) < 0 ||
         pa_tagstruct_get_boolean(t, &corked) < 0 ||
-        pa_tagstruct_getu32(t, &fragment_size) < 0 ||
-        !pa_tagstruct_eof(t)) {
+        pa_tagstruct_getu32(t, &fragment_size) < 0) {
         protocol_error(c);
         return;
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !source_name || pa_namereg_is_valid_name(source_name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, source_index == PA_INVALID_INDEX || !source_name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !source_name || source_index == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID);
-    CHECK_VALIDITY(c->pstream, source_index != PA_INVALID_INDEX || !source_name || (*source_name && pa_utf8_valid(source_name)), tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID);
-    CHECK_VALIDITY(c->pstream, maxlength <= MAX_MEMBLOCKQ_LENGTH, tag, PA_ERR_INVALID);
+
+    p = pa_proplist_new();
+
+    if (name)
+        pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name);
+
+    if (c->version >= 12)  {
+        /* Since 0.9.8 the user can ask for a couple of additional flags */
+
+        if (pa_tagstruct_get_boolean(t, &no_remap) < 0 ||
+            pa_tagstruct_get_boolean(t, &no_remix) < 0 ||
+            pa_tagstruct_get_boolean(t, &fix_format) < 0 ||
+            pa_tagstruct_get_boolean(t, &fix_rate) < 0 ||
+            pa_tagstruct_get_boolean(t, &fix_channels) < 0 ||
+            pa_tagstruct_get_boolean(t, &no_move) < 0 ||
+            pa_tagstruct_get_boolean(t, &variable_rate) < 0) {
+
+            protocol_error(c);
+            pa_proplist_free(p);
+            return;
+        }
+    }
+
+    if (c->version >= 13) {
+
+        if (pa_tagstruct_get_boolean(t, &peak_detect) < 0 ||
+            pa_tagstruct_get_boolean(t, &adjust_latency) < 0 ||
+            pa_tagstruct_get_proplist(t, p) < 0 ||
+            pa_tagstruct_getu32(t, &direct_on_input_idx) < 0) {
+            protocol_error(c);
+            pa_proplist_free(p);
+            return;
+        }
+    }
+
+    if (c->version >= 14) {
+
+        if (pa_tagstruct_get_boolean(t, &early_requests) < 0) {
+            protocol_error(c);
+            pa_proplist_free(p);
+            return;
+        }
+    }
+
+    if (!pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        pa_proplist_free(p);
+        return;
+    }
 
     if (source_index != PA_INVALID_INDEX) {
-        source = pa_idxset_get_by_index(c->protocol->core->sources, source_index);
-        CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
+
+        if (!(source = pa_idxset_get_by_index(c->protocol->core->sources, source_index))) {
+            pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+            pa_proplist_free(p);
+            return;
+        }
+
     } else if (source_name) {
-        source = pa_namereg_get(c->protocol->core, source_name, PA_NAMEREG_SOURCE, 1);
-        CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
+
+        if (!(source = pa_namereg_get(c->protocol->core, source_name, PA_NAMEREG_SOURCE, 1))) {
+            pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+            pa_proplist_free(p);
+            return;
+        }
+    }
+
+    if (direct_on_input_idx != PA_INVALID_INDEX) {
+
+        if (!(direct_on_input = pa_idxset_get_by_index(c->protocol->core->sink_inputs, direct_on_input_idx))) {
+            pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+            pa_proplist_free(p);
+            return;
+        }
     }
 
-    s = record_stream_new(c, source, &ss, &map, name, &maxlength, fragment_size, corked);
+    flags =
+        (corked ?  PA_SOURCE_OUTPUT_START_CORKED : 0) |
+        (no_remap ?  PA_SOURCE_OUTPUT_NO_REMAP : 0) |
+        (no_remix ?  PA_SOURCE_OUTPUT_NO_REMIX : 0) |
+        (fix_format ?  PA_SOURCE_OUTPUT_FIX_FORMAT : 0) |
+        (fix_rate ?  PA_SOURCE_OUTPUT_FIX_RATE : 0) |
+        (fix_channels ?  PA_SOURCE_OUTPUT_FIX_CHANNELS : 0) |
+        (no_move ?  PA_SOURCE_OUTPUT_DONT_MOVE : 0) |
+        (variable_rate ?  PA_SOURCE_OUTPUT_VARIABLE_RATE : 0);
+
+    s = record_stream_new(c, source, &ss, &map, peak_detect, &maxlength, &fragment_size, flags, p, adjust_latency, direct_on_input, early_requests);
+    pa_proplist_free(p);
+
     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
 
     reply = reply_new(tag);
@@ -1281,35 +2051,55 @@ static void command_create_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_
         /* Since 0.9 we support sending the buffer metrics back to the client */
 
         pa_tagstruct_putu32(reply, (uint32_t) maxlength);
-        pa_tagstruct_putu32(reply, (uint32_t) s->fragment_size);
+        pa_tagstruct_putu32(reply, (uint32_t) fragment_size);
     }
 
+    if (c->version >= 12) {
+        /* Since 0.9.8 we support sending the chosen sample
+         * spec/channel map/device/suspend status back to the
+         * client */
+
+        pa_tagstruct_put_sample_spec(reply, &ss);
+        pa_tagstruct_put_channel_map(reply, &map);
+
+        pa_tagstruct_putu32(reply, s->source_output->source->index);
+        pa_tagstruct_puts(reply, s->source_output->source->name);
+
+        pa_tagstruct_put_boolean(reply, pa_source_get_state(s->source_output->source) == PA_SOURCE_SUSPENDED);
+    }
+
+    if (c->version >= 13)
+        pa_tagstruct_put_usec(reply, s->source_latency);
+
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_exit(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_exit(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    int ret;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
-    
+
     if (!pa_tagstruct_eof(t)) {
         protocol_error(c);
         return;
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+    ret = pa_core_exit(c->protocol->core, FALSE, 0);
+    CHECK_VALIDITY(c->pstream, ret >= 0, tag, PA_ERR_ACCESS);
 
-    c->protocol->core->mainloop->quit(c->protocol->core->mainloop, 0);
     pa_pstream_send_simple_ack(c->pstream, tag); /* nonsense */
 }
 
-static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_auth(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     const void*cookie;
     pa_tagstruct *reply;
+    pa_bool_t shm_on_remote = FALSE, do_shm;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &c->version) < 0 ||
@@ -1325,50 +2115,58 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t
         return;
     }
 
+    /* Starting with protocol version 13 the MSB of the version tag
+       reflects if shm is available for this pa_native_connection or
+       not. */
+    if (c->version >= 13) {
+        shm_on_remote = !!(c->version & 0x80000000U);
+        c->version &= 0x7FFFFFFFU;
+    }
+
+    pa_log_debug("Protocol version: remote %u, local %u", c->version, PA_PROTOCOL_VERSION);
+
+    pa_proplist_setf(c->client->proplist, "native-protocol.version", "%u", c->version);
+
     if (!c->authorized) {
-        int success = 0;
+        pa_bool_t success = FALSE;
 
 #ifdef HAVE_CREDS
         const pa_creds *creds;
 
         if ((creds = pa_pdispatch_creds(pd))) {
             if (creds->uid == getuid())
-                success = 1;
-            else if (c->protocol->auth_group) {
+                success = TRUE;
+            else if (c->options->auth_group) {
                 int r;
                 gid_t gid;
 
-                if ((gid = pa_get_gid_of_group(c->protocol->auth_group)) == (gid_t) -1)
-                    pa_log_warn("failed to get GID of group '%s'", c->protocol->auth_group);
+                if ((gid = pa_get_gid_of_group(c->options->auth_group)) == (gid_t) -1)
+                    pa_log_warn("Failed to get GID of group '%s'", c->options->auth_group);
                 else if (gid == creds->gid)
-                    success = 1;
+                    success = TRUE;
 
                 if (!success) {
-                    if ((r = pa_uid_in_group(creds->uid, c->protocol->auth_group)) < 0)
-                        pa_log_warn("failed to check group membership.");
+                    if ((r = pa_uid_in_group(creds->uid, c->options->auth_group)) < 0)
+                        pa_log_warn("Failed to check group membership.");
                     else if (r > 0)
-                        success = 1;
+                        success = TRUE;
                 }
             }
 
             pa_log_info("Got credentials: uid=%lu gid=%lu success=%i",
                         (unsigned long) creds->uid,
                         (unsigned long) creds->gid,
-                        success);
-
-            if (c->version >= 10 &&
-                pa_mempool_is_shared(c->protocol->core->mempool) &&
-                creds->uid == getuid()) {
-
-                pa_pstream_use_shm(c->pstream, 1);
-                pa_log_info("Enabled SHM for new connection");
-            }
-
+                        (int) success);
         }
 #endif
 
-        if (!success && memcmp(c->protocol->auth_cookie, cookie, PA_NATIVE_COOKIE_LENGTH) == 0)
-            success = 1;
+        if (!success && c->options->auth_cookie) {
+            const uint8_t *ac;
+
+            if ((ac = pa_auth_cookie_read(c->options->auth_cookie, PA_NATIVE_COOKIE_LENGTH)))
+                if (memcmp(ac, cookie, PA_NATIVE_COOKIE_LENGTH) == 0)
+                    success = TRUE;
+        }
 
         if (!success) {
             pa_log_warn("Denied access to client with invalid authorization data.");
@@ -1376,15 +2174,41 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t
             return;
         }
 
-        c->authorized = 1;
+        c->authorized = TRUE;
         if (c->auth_timeout_event) {
             c->protocol->core->mainloop->time_free(c->auth_timeout_event);
             c->auth_timeout_event = NULL;
         }
     }
 
+    /* Enable shared memory support if possible */
+    do_shm =
+        pa_mempool_is_shared(c->protocol->core->mempool) &&
+        c->is_local;
+
+    pa_log_debug("SHM possible: %s", pa_yes_no(do_shm));
+
+    if (do_shm)
+        if (c->version < 10 || (c->version >= 13 && !shm_on_remote))
+            do_shm = FALSE;
+
+#ifdef HAVE_CREDS
+    if (do_shm) {
+        /* Only enable SHM if both sides are owned by the same
+         * user. This is a security measure because otherwise data
+         * private to the user might leak. */
+
+        const pa_creds *creds;
+        if (!(creds = pa_pdispatch_creds(pd)) || getuid() != creds->uid)
+            do_shm = FALSE;
+    }
+#endif
+
+    pa_log_debug("Negotiated SHM: %s", pa_yes_no(do_shm));
+    pa_pstream_enable_shm(c->pstream, do_shm);
+
     reply = reply_new(tag);
-    pa_tagstruct_putu32(reply, PA_PROTOCOL_VERSION);
+    pa_tagstruct_putu32(reply, PA_PROTOCOL_VERSION | (do_shm ? 0x80000000 : 0));
 
 #ifdef HAVE_CREDS
 {
@@ -1402,31 +2226,52 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t
 #endif
 }
 
-static void command_set_client_name(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
-    const char *name;
+static void command_set_client_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    const char *name = NULL;
+    pa_proplist *p;
+    pa_tagstruct *reply;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
-    if (pa_tagstruct_gets(t, &name) < 0 ||
+    p = pa_proplist_new();
+
+    if ((c->version < 13 && pa_tagstruct_gets(t, &name) < 0) ||
+        (c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) ||
         !pa_tagstruct_eof(t)) {
+
         protocol_error(c);
+        pa_proplist_free(p);
         return;
     }
 
-    CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+    if (name)
+        if (pa_proplist_sets(p, PA_PROP_APPLICATION_NAME, name) < 0) {
+            pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
+            pa_proplist_free(p);
+            return;
+        }
 
-    pa_client_set_name(c->client, name);
-    pa_pstream_send_simple_ack(c->pstream, tag);
+    pa_proplist_update(c->client->proplist, PA_UPDATE_REPLACE, p);
+    pa_proplist_free(p);
+
+    pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index);
+
+    reply = reply_new(tag);
+
+    if (c->version >= 13)
+        pa_tagstruct_putu32(reply, c->client->index);
+
+    pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_lookup(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_lookup(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     const char *name;
     uint32_t idx = PA_IDXSET_INVALID;
-    
-    connection_assert_ref(c);
+
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_gets(t, &name) < 0 ||
@@ -1436,7 +2281,7 @@ static void command_lookup(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uin
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
 
     if (command == PA_COMMAND_LOOKUP_SINK) {
         pa_sink *sink;
@@ -1459,12 +2304,12 @@ static void command_lookup(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uin
     }
 }
 
-static void command_drain_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_drain_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx;
     playback_stream *s;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -1481,12 +2326,12 @@ static void command_drain_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC
     pa_asyncmsgq_post(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_DRAIN, PA_UINT_TO_PTR(tag), 0, NULL, NULL);
 }
 
-static void command_stat(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_stat(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     pa_tagstruct *reply;
     const pa_mempool_stat *stat;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (!pa_tagstruct_eof(t)) {
@@ -1503,19 +2348,19 @@ static void command_stat(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t
     pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->allocated_size));
     pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->n_accumulated));
     pa_tagstruct_putu32(reply, (uint32_t) pa_atomic_load(&stat->accumulated_size));
-    pa_tagstruct_putu32(reply, pa_scache_total_size(c->protocol->core));
+    pa_tagstruct_putu32(reply, (uint32_t) pa_scache_total_size(c->protocol->core));
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_get_playback_latency(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     pa_tagstruct *reply;
     playback_stream *s;
     struct timeval tv, now;
     uint32_t idx;
     pa_usec_t latency;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -1530,31 +2375,37 @@ static void command_get_playback_latency(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_
     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
     CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
     CHECK_VALIDITY(c->pstream, pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_UPDATE_LATENCY, s, 0, NULL) == 0, tag, PA_ERR_NOENTITY)
-    
+
     reply = reply_new(tag);
-    
+
     latency = pa_sink_get_latency(s->sink_input->sink);
-    latency += pa_bytes_to_usec(s->resampled_chunk_length, &s->sink_input->sample_spec); 
-    
+    latency += pa_bytes_to_usec(s->render_memblockq_length, &s->sink_input->sample_spec);
+
     pa_tagstruct_put_usec(reply, latency);
 
     pa_tagstruct_put_usec(reply, 0);
-    pa_tagstruct_put_boolean(reply, pa_sink_input_get_state(s->sink_input) == PA_SINK_INPUT_RUNNING);
+    pa_tagstruct_put_boolean(reply, s->sink_input->thread_info.playing_for > 0);
     pa_tagstruct_put_timeval(reply, &tv);
     pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now));
     pa_tagstruct_puts64(reply, s->write_index);
     pa_tagstruct_puts64(reply, s->read_index);
+
+    if (c->version >= 13) {
+        pa_tagstruct_putu64(reply, s->sink_input->thread_info.underrun_for);
+        pa_tagstruct_putu64(reply, s->sink_input->thread_info.playing_for);
+    }
+
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_get_record_latency(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_get_record_latency(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     pa_tagstruct *reply;
     record_stream *s;
     struct timeval tv, now;
     uint32_t idx;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -1571,7 +2422,7 @@ static void command_get_record_latency(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UN
     reply = reply_new(tag);
     pa_tagstruct_put_usec(reply, s->source_output->source->monitor_of ? pa_sink_get_latency(s->source_output->source->monitor_of) : 0);
     pa_tagstruct_put_usec(reply, pa_source_get_latency(s->source_output->source));
-    pa_tagstruct_put_boolean(reply, 0);
+    pa_tagstruct_put_boolean(reply, pa_source_get_state(s->source_output->source) == PA_SOURCE_RUNNING);
     pa_tagstruct_put_timeval(reply, &tv);
     pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now));
     pa_tagstruct_puts64(reply, pa_memblockq_get_write_index(s->memblockq));
@@ -1579,23 +2430,23 @@ static void command_get_record_latency(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UN
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_create_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_create_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     upload_stream *s;
     uint32_t length;
-    const char *name;
+    const char *name = NULL;
     pa_sample_spec ss;
     pa_channel_map map;
     pa_tagstruct *reply;
+    pa_proplist *p;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_gets(t, &name) < 0 ||
         pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
         pa_tagstruct_get_channel_map(t, &map) < 0 ||
-        pa_tagstruct_getu32(t, &length) < 0 ||
-        !pa_tagstruct_eof(t)) {
+        pa_tagstruct_getu32(t, &length) < 0) {
         protocol_error(c);
         return;
     }
@@ -1606,9 +2457,26 @@ static void command_create_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_
     CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, (length % pa_frame_size(&ss)) == 0 && length > 0, tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, length <= PA_SCACHE_ENTRY_SIZE_MAX, tag, PA_ERR_TOOLARGE);
-    CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
 
-    s = upload_stream_new(c, &ss, &map, name, length);
+    p = pa_proplist_new();
+
+    if (c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) {
+        protocol_error(c);
+        pa_proplist_free(p);
+        return;
+    }
+
+    if (c->version < 13)
+        pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name);
+    else if (!name)
+        if (!(name = pa_proplist_gets(p, PA_PROP_EVENT_ID)))
+            name = pa_proplist_gets(p, PA_PROP_MEDIA_NAME);
+
+    CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
+
+    s = upload_stream_new(c, &ss, &map, name, length, p);
+    pa_proplist_free(p);
+
     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
 
     reply = reply_new(tag);
@@ -1617,13 +2485,13 @@ static void command_create_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_finish_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_finish_upload_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t channel;
     upload_stream *s;
     uint32_t idx;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &channel) < 0 ||
@@ -1638,7 +2506,7 @@ static void command_finish_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_
     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
     CHECK_VALIDITY(c->pstream, upload_stream_isinstance(s), tag, PA_ERR_NOENTITY);
 
-    if (pa_scache_add_item(c->protocol->core, s->name, &s->sample_spec, &s->channel_map, &s->memchunk, &idx) < 0)
+    if (pa_scache_add_item(c->protocol->core, s->name, &s->sample_spec, &s->channel_map, &s->memchunk, s->proplist, &idx) < 0)
         pa_pstream_send_error(c->pstream, tag, PA_ERR_INTERNAL);
     else
         pa_pstream_send_simple_ack(c->pstream, tag);
@@ -1646,28 +2514,33 @@ static void command_finish_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_
     upload_stream_unlink(s);
 }
 
-static void command_play_sample(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_play_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t sink_index;
     pa_volume_t volume;
     pa_sink *sink;
     const char *name, *sink_name;
+    uint32_t idx;
+    pa_proplist *p;
+    pa_tagstruct *reply;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
     if (pa_tagstruct_getu32(t, &sink_index) < 0 ||
         pa_tagstruct_gets(t, &sink_name) < 0 ||
         pa_tagstruct_getu32(t, &volume) < 0 ||
-        pa_tagstruct_gets(t, &name) < 0 ||
-        !pa_tagstruct_eof(t)) {
+        pa_tagstruct_gets(t, &name) < 0) {
         protocol_error(c);
         return;
     }
 
-    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, sink_index != PA_INVALID_INDEX || !sink_name || (*sink_name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
-    CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !sink_name || pa_namereg_is_valid_name(sink_name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, sink_index == PA_INVALID_INDEX || !sink_name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !sink_name || sink_index == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
 
     if (sink_index != PA_INVALID_INDEX)
         sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index);
@@ -1676,19 +2549,38 @@ static void command_play_sample(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED ui
 
     CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
 
-    if (pa_scache_play_item(c->protocol->core, name, sink, volume) < 0) {
+    p = pa_proplist_new();
+
+    if ((c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) ||
+        !pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        pa_proplist_free(p);
+        return;
+    }
+
+    pa_proplist_update(p, PA_UPDATE_MERGE, c->client->proplist);
+
+    if (pa_scache_play_item(c->protocol->core, name, sink, volume, p, &idx) < 0) {
         pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+        pa_proplist_free(p);
         return;
     }
 
-    pa_pstream_send_simple_ack(c->pstream, tag);
+    pa_proplist_free(p);
+
+    reply = reply_new(tag);
+
+    if (c->version >= 13)
+        pa_tagstruct_putu32(reply, idx);
+
+    pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_remove_sample(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_remove_sample(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     const char *name;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_gets(t, &name) < 0 ||
@@ -1698,68 +2590,109 @@ static void command_remove_sample(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, name && pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
+
+    if (pa_scache_remove_item(c->protocol->core, name) < 0) {
+        pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
+        return;
+    }
+
+    pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void fixup_sample_spec(pa_native_connection *c, pa_sample_spec *fixed, const pa_sample_spec *original) {
+    pa_assert(c);
+    pa_assert(fixed);
+    pa_assert(original);
+
+    *fixed = *original;
 
-    if (pa_scache_remove_item(c->protocol->core, name) < 0) {
-        pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
-        return;
-    }
+    if (c->version < 12) {
+        /* Before protocol version 12 we didn't support S32 samples,
+         * so we need to lie about this to the client */
 
-    pa_pstream_send_simple_ack(c->pstream, tag);
+        if (fixed->format == PA_SAMPLE_S32LE)
+            fixed->format = PA_SAMPLE_FLOAT32LE;
+        if (fixed->format == PA_SAMPLE_S32BE)
+            fixed->format = PA_SAMPLE_FLOAT32BE;
+    }
 }
 
-static void sink_fill_tagstruct(pa_tagstruct *t, pa_sink *sink) {
+static void sink_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sink *sink) {
+    pa_sample_spec fixed_ss;
+
     pa_assert(t);
     pa_sink_assert_ref(sink);
 
+    fixup_sample_spec(c, &fixed_ss, &sink->sample_spec);
+
     pa_tagstruct_put(
         t,
         PA_TAG_U32, sink->index,
         PA_TAG_STRING, sink->name,
-        PA_TAG_STRING, sink->description,
-        PA_TAG_SAMPLE_SPEC, &sink->sample_spec,
+        PA_TAG_STRING, pa_strnull(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION)),
+        PA_TAG_SAMPLE_SPEC, &fixed_ss,
         PA_TAG_CHANNEL_MAP, &sink->channel_map,
         PA_TAG_U32, sink->module ? sink->module->index : PA_INVALID_INDEX,
-        PA_TAG_CVOLUME, pa_sink_get_volume(sink),
-        PA_TAG_BOOLEAN, pa_sink_get_mute(sink),
+        PA_TAG_CVOLUME, pa_sink_get_volume(sink, FALSE),
+        PA_TAG_BOOLEAN, pa_sink_get_mute(sink, FALSE),
         PA_TAG_U32, sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX,
         PA_TAG_STRING, sink->monitor_source ? sink->monitor_source->name : NULL,
         PA_TAG_USEC, pa_sink_get_latency(sink),
         PA_TAG_STRING, sink->driver,
         PA_TAG_U32, sink->flags,
         PA_TAG_INVALID);
+
+    if (c->version >= 13) {
+        pa_tagstruct_put_proplist(t, sink->proplist);
+        pa_tagstruct_put_usec(t, pa_sink_get_requested_latency(sink));
+    }
 }
 
-static void source_fill_tagstruct(pa_tagstruct *t, pa_source *source) {
+static void source_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_source *source) {
+    pa_sample_spec fixed_ss;
+
     pa_assert(t);
     pa_source_assert_ref(source);
 
+    fixup_sample_spec(c, &fixed_ss, &source->sample_spec);
+
     pa_tagstruct_put(
         t,
         PA_TAG_U32, source->index,
         PA_TAG_STRING, source->name,
-        PA_TAG_STRING, source->description,
-        PA_TAG_SAMPLE_SPEC, &source->sample_spec,
+        PA_TAG_STRING, pa_strnull(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION)),
+        PA_TAG_SAMPLE_SPEC, &fixed_ss,
         PA_TAG_CHANNEL_MAP, &source->channel_map,
         PA_TAG_U32, source->module ? source->module->index : PA_INVALID_INDEX,
-        PA_TAG_CVOLUME, pa_source_get_volume(source),
-        PA_TAG_BOOLEAN, pa_source_get_mute(source),
+        PA_TAG_CVOLUME, pa_source_get_volume(source, FALSE),
+        PA_TAG_BOOLEAN, pa_source_get_mute(source, FALSE),
         PA_TAG_U32, source->monitor_of ? source->monitor_of->index : PA_INVALID_INDEX,
         PA_TAG_STRING, source->monitor_of ? source->monitor_of->name : NULL,
         PA_TAG_USEC, pa_source_get_latency(source),
         PA_TAG_STRING, source->driver,
         PA_TAG_U32, source->flags,
         PA_TAG_INVALID);
+
+    if (c->version >= 13) {
+        pa_tagstruct_put_proplist(t, source->proplist);
+        pa_tagstruct_put_usec(t, pa_source_get_requested_latency(source));
+    }
 }
 
-static void client_fill_tagstruct(pa_tagstruct *t, pa_client *client) {
+
+static void client_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_client *client) {
     pa_assert(t);
     pa_assert(client);
 
     pa_tagstruct_putu32(t, client->index);
-    pa_tagstruct_puts(t, client->name);
-    pa_tagstruct_putu32(t, client->owner ? client->owner->index : PA_INVALID_INDEX);
+    pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(client->proplist, PA_PROP_APPLICATION_NAME)));
+    pa_tagstruct_putu32(t, client->module ? client->module->index : PA_INVALID_INDEX);
     pa_tagstruct_puts(t, client->driver);
+
+    if (c->version >= 13)
+        pa_tagstruct_put_proplist(t, client->proplist);
+
 }
 
 static void module_fill_tagstruct(pa_tagstruct *t, pa_module *module) {
@@ -1769,64 +2702,89 @@ static void module_fill_tagstruct(pa_tagstruct *t, pa_module *module) {
     pa_tagstruct_putu32(t, module->index);
     pa_tagstruct_puts(t, module->name);
     pa_tagstruct_puts(t, module->argument);
-    pa_tagstruct_putu32(t, module->n_used);
+    pa_tagstruct_putu32(t, (uint32_t) module->n_used);
     pa_tagstruct_put_boolean(t, module->auto_unload);
 }
 
-static void sink_input_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sink_input *s) {
+static void sink_input_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sink_input *s) {
+    pa_sample_spec fixed_ss;
+    pa_usec_t sink_latency;
+
     pa_assert(t);
     pa_sink_input_assert_ref(s);
 
+    fixup_sample_spec(c, &fixed_ss, &s->sample_spec);
+
     pa_tagstruct_putu32(t, s->index);
-    pa_tagstruct_puts(t, s->name);
+    pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME)));
     pa_tagstruct_putu32(t, s->module ? s->module->index : PA_INVALID_INDEX);
     pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX);
     pa_tagstruct_putu32(t, s->sink->index);
-    pa_tagstruct_put_sample_spec(t, &s->sample_spec);
+    pa_tagstruct_put_sample_spec(t, &fixed_ss);
     pa_tagstruct_put_channel_map(t, &s->channel_map);
     pa_tagstruct_put_cvolume(t, &s->volume);
-    pa_tagstruct_put_usec(t, pa_sink_input_get_latency(s));
-    pa_tagstruct_put_usec(t, pa_sink_get_latency(s->sink));
+    pa_tagstruct_put_usec(t, pa_sink_input_get_latency(s, &sink_latency));
+    pa_tagstruct_put_usec(t, sink_latency);
     pa_tagstruct_puts(t, pa_resample_method_to_string(pa_sink_input_get_resample_method(s)));
     pa_tagstruct_puts(t, s->driver);
     if (c->version >= 11)
-        pa_tagstruct_put_boolean(t, pa_sink_input_get_mute(s));    
+        pa_tagstruct_put_boolean(t, pa_sink_input_get_mute(s));
+    if (c->version >= 13)
+        pa_tagstruct_put_proplist(t, s->proplist);
 }
 
-static void source_output_fill_tagstruct(pa_tagstruct *t, pa_source_output *s) {
+static void source_output_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_source_output *s) {
+    pa_sample_spec fixed_ss;
+    pa_usec_t source_latency;
+
     pa_assert(t);
     pa_source_output_assert_ref(s);
 
+    fixup_sample_spec(c, &fixed_ss, &s->sample_spec);
+
     pa_tagstruct_putu32(t, s->index);
-    pa_tagstruct_puts(t, s->name);
+    pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME)));
     pa_tagstruct_putu32(t, s->module ? s->module->index : PA_INVALID_INDEX);
     pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX);
     pa_tagstruct_putu32(t, s->source->index);
-    pa_tagstruct_put_sample_spec(t, &s->sample_spec);
+    pa_tagstruct_put_sample_spec(t, &fixed_ss);
     pa_tagstruct_put_channel_map(t, &s->channel_map);
-    pa_tagstruct_put_usec(t, pa_source_output_get_latency(s));
-    pa_tagstruct_put_usec(t, pa_source_get_latency(s->source));
+    pa_tagstruct_put_usec(t, pa_source_output_get_latency(s, &source_latency));
+    pa_tagstruct_put_usec(t, source_latency);
     pa_tagstruct_puts(t, pa_resample_method_to_string(pa_source_output_get_resample_method(s)));
     pa_tagstruct_puts(t, s->driver);
+
+    if (c->version >= 13)
+        pa_tagstruct_put_proplist(t, s->proplist);
 }
 
-static void scache_fill_tagstruct(pa_tagstruct *t, pa_scache_entry *e) {
+static void scache_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_scache_entry *e) {
+    pa_sample_spec fixed_ss;
+
     pa_assert(t);
     pa_assert(e);
-    
+
+    if (e->memchunk.memblock)
+        fixup_sample_spec(c, &fixed_ss, &e->sample_spec);
+    else
+        memset(&fixed_ss, 0, sizeof(fixed_ss));
+
     pa_tagstruct_putu32(t, e->index);
     pa_tagstruct_puts(t, e->name);
     pa_tagstruct_put_cvolume(t, &e->volume);
-    pa_tagstruct_put_usec(t, pa_bytes_to_usec(e->memchunk.length, &e->sample_spec));
-    pa_tagstruct_put_sample_spec(t, &e->sample_spec);
+    pa_tagstruct_put_usec(t, e->memchunk.memblock ? pa_bytes_to_usec(e->memchunk.length, &e->sample_spec) : 0);
+    pa_tagstruct_put_sample_spec(t, &fixed_ss);
     pa_tagstruct_put_channel_map(t, &e->channel_map);
-    pa_tagstruct_putu32(t, e->memchunk.length);
+    pa_tagstruct_putu32(t, (uint32_t) e->memchunk.length);
     pa_tagstruct_put_boolean(t, e->lazy);
     pa_tagstruct_puts(t, e->filename);
+
+    if (c->version >= 13)
+        pa_tagstruct_put_proplist(t, e->proplist);
 }
 
-static void command_get_info(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx;
     pa_sink *sink = NULL;
     pa_source *source = NULL;
@@ -1835,10 +2793,10 @@ static void command_get_info(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, u
     pa_sink_input *si = NULL;
     pa_source_output *so = NULL;
     pa_scache_entry *sce = NULL;
-    const char *name;
+    const char *name = NULL;
     pa_tagstruct *reply;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -1853,7 +2811,10 @@ static void command_get_info(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, u
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || !name || (*name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
 
     if (command == PA_COMMAND_GET_SINK_INFO) {
         if (idx != PA_INVALID_INDEX)
@@ -1888,30 +2849,30 @@ static void command_get_info(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, u
 
     reply = reply_new(tag);
     if (sink)
-        sink_fill_tagstruct(reply, sink);
+        sink_fill_tagstruct(c, reply, sink);
     else if (source)
-        source_fill_tagstruct(reply, source);
+        source_fill_tagstruct(c, reply, source);
     else if (client)
-        client_fill_tagstruct(reply, client);
+        client_fill_tagstruct(c, reply, client);
     else if (module)
         module_fill_tagstruct(reply, module);
     else if (si)
         sink_input_fill_tagstruct(c, reply, si);
     else if (so)
-        source_output_fill_tagstruct(reply, so);
+        source_output_fill_tagstruct(c, reply, so);
     else
-        scache_fill_tagstruct(reply, sce);
+        scache_fill_tagstruct(c, reply, sce);
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_get_info_list(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     pa_idxset *i;
     uint32_t idx;
     void *p;
     pa_tagstruct *reply;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (!pa_tagstruct_eof(t)) {
@@ -1943,20 +2904,20 @@ static void command_get_info_list(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t comma
     if (i) {
         for (p = pa_idxset_first(i, &idx); p; p = pa_idxset_next(i, &idx)) {
             if (command == PA_COMMAND_GET_SINK_INFO_LIST)
-                sink_fill_tagstruct(reply, p);
+                sink_fill_tagstruct(c, reply, p);
             else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST)
-                source_fill_tagstruct(reply, p);
+                source_fill_tagstruct(c, reply, p);
             else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST)
-                client_fill_tagstruct(reply, p);
+                client_fill_tagstruct(c, reply, p);
             else if (command == PA_COMMAND_GET_MODULE_INFO_LIST)
                 module_fill_tagstruct(reply, p);
             else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST)
                 sink_input_fill_tagstruct(c, reply, p);
             else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
-                source_output_fill_tagstruct(reply, p);
+                source_output_fill_tagstruct(c, reply, p);
             else {
                 pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST);
-                scache_fill_tagstruct(reply, p);
+                scache_fill_tagstruct(c, reply, p);
             }
         }
     }
@@ -1964,13 +2925,14 @@ static void command_get_info_list(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t comma
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_get_server_info(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_get_server_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     pa_tagstruct *reply;
     char txt[256];
     const char *n;
+    pa_sample_spec fixed_ss;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (!pa_tagstruct_eof(t)) {
@@ -1984,8 +2946,10 @@ static void command_get_server_info(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSE
     pa_tagstruct_puts(reply, PACKAGE_NAME);
     pa_tagstruct_puts(reply, PACKAGE_VERSION);
     pa_tagstruct_puts(reply, pa_get_user_name(txt, sizeof(txt)));
-    pa_tagstruct_puts(reply, pa_get_fqdn(txt, sizeof(txt)));
-    pa_tagstruct_put_sample_spec(reply, &c->protocol->core->default_sample_spec);
+    pa_tagstruct_puts(reply, pa_get_host_name(txt, sizeof(txt)));
+
+    fixup_sample_spec(c, &fixed_ss, &c->protocol->core->default_sample_spec);
+    pa_tagstruct_put_sample_spec(reply, &fixed_ss);
 
     n = pa_namereg_get_default_sink_name(c->protocol->core);
     pa_tagstruct_puts(reply, n);
@@ -1999,9 +2963,9 @@ static void command_get_server_info(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSE
 
 static void subscription_cb(pa_core *core, pa_subscription_event_type_t e, uint32_t idx, void *userdata) {
     pa_tagstruct *t;
-    connection *c = CONNECTION(userdata);
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
 
     t = pa_tagstruct_new(NULL, 0);
     pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE_EVENT);
@@ -2011,11 +2975,11 @@ static void subscription_cb(pa_core *core, pa_subscription_event_type_t e, uint3
     pa_pstream_send_tagstruct(c->pstream, t);
 }
 
-static void command_subscribe(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_subscribe(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     pa_subscription_mask_t m;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &m) < 0 ||
@@ -2040,13 +3004,13 @@ static void command_subscribe(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint
 }
 
 static void command_set_volume(
-        PA_GCC_UNUSED pa_pdispatch *pd,
+        pa_pdispatch *pd,
         uint32_t command,
         uint32_t tag,
         pa_tagstruct *t,
         void *userdata) {
 
-    connection *c = CONNECTION(userdata);
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx;
     pa_cvolume volume;
     pa_sink *sink = NULL;
@@ -2054,7 +3018,7 @@ static void command_set_volume(
     pa_sink_input *si = NULL;
     const char *name = NULL;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -2067,11 +3031,14 @@ static void command_set_volume(
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || !name || (*name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
     CHECK_VALIDITY(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID);
 
     switch (command) {
-        
+
         case PA_COMMAND_SET_SINK_VOLUME:
             if (idx != PA_INVALID_INDEX)
                 sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
@@ -2085,7 +3052,7 @@ static void command_set_volume(
             else
                 source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE, 1);
             break;
-            
+
         case PA_COMMAND_SET_SINK_INPUT_VOLUME:
             si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
             break;
@@ -2107,21 +3074,21 @@ static void command_set_volume(
 }
 
 static void command_set_mute(
-        PA_GCC_UNUSED pa_pdispatch *pd,
+        pa_pdispatch *pd,
         uint32_t command,
         uint32_t tag,
         pa_tagstruct *t,
         void *userdata) {
 
-    connection *c = CONNECTION(userdata);
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx;
-    int mute;
+    pa_bool_t mute;
     pa_sink *sink = NULL;
     pa_source *source = NULL;
     pa_sink_input *si = NULL;
     const char *name = NULL;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -2134,10 +3101,13 @@ static void command_set_mute(
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || !name || (*name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
 
     switch (command) {
-        
+
         case PA_COMMAND_SET_SINK_MUTE:
 
             if (idx != PA_INVALID_INDEX)
@@ -2175,124 +3145,415 @@ static void command_set_mute(
     pa_pstream_send_simple_ack(c->pstream, tag);
 }
 
-static void command_cork_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_cork_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    uint32_t idx;
+    pa_bool_t b;
+    playback_stream *s;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    if (pa_tagstruct_getu32(t, &idx) < 0 ||
+        pa_tagstruct_get_boolean(t, &b) < 0 ||
+        !pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        return;
+    }
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
+    s = pa_idxset_get_by_index(c->output_streams, idx);
+    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+    CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
+
+    pa_sink_input_cork(s->sink_input, b);
+    pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_trigger_or_flush_or_prebuf_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx;
-    int b;
     playback_stream *s;
 
-    connection_assert_ref(c);
-    pa_assert(t);
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    if (pa_tagstruct_getu32(t, &idx) < 0 ||
+        !pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        return;
+    }
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
+    s = pa_idxset_get_by_index(c->output_streams, idx);
+    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+    CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
+
+    switch (command) {
+        case PA_COMMAND_FLUSH_PLAYBACK_STREAM:
+            pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_FLUSH, NULL, 0, NULL);
+            break;
+
+        case PA_COMMAND_PREBUF_PLAYBACK_STREAM:
+            pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_PREBUF_FORCE, NULL, 0, NULL);
+            break;
+
+        case PA_COMMAND_TRIGGER_PLAYBACK_STREAM:
+            pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_TRIGGER, NULL, 0, NULL);
+            break;
+
+        default:
+            pa_assert_not_reached();
+    }
+
+    pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_cork_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    uint32_t idx;
+    record_stream *s;
+    pa_bool_t b;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    if (pa_tagstruct_getu32(t, &idx) < 0 ||
+        pa_tagstruct_get_boolean(t, &b) < 0 ||
+        !pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        return;
+    }
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+    s = pa_idxset_get_by_index(c->record_streams, idx);
+    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+    pa_source_output_cork(s->source_output, b);
+    pa_memblockq_prebuf_force(s->memblockq);
+    pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_flush_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    uint32_t idx;
+    record_stream *s;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    if (pa_tagstruct_getu32(t, &idx) < 0 ||
+        !pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        return;
+    }
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+    s = pa_idxset_get_by_index(c->record_streams, idx);
+    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+    pa_memblockq_flush_read(s->memblockq);
+    pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    uint32_t idx;
+    uint32_t maxlength, tlength, prebuf, minreq, fragsize;
+    pa_tagstruct *reply;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    if (pa_tagstruct_getu32(t, &idx) < 0) {
+        protocol_error(c);
+        return;
+    }
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+    if (command == PA_COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR) {
+        playback_stream *s;
+        pa_bool_t adjust_latency = FALSE, early_requests = FALSE;
+
+        s = pa_idxset_get_by_index(c->output_streams, idx);
+        CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+        CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
+
+        if (pa_tagstruct_get(
+                    t,
+                    PA_TAG_U32, &maxlength,
+                    PA_TAG_U32, &tlength,
+                    PA_TAG_U32, &prebuf,
+                    PA_TAG_U32, &minreq,
+                    PA_TAG_INVALID) < 0 ||
+            (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) ||
+            (c->version >= 14 && pa_tagstruct_get_boolean(t, &early_requests) < 0) ||
+            !pa_tagstruct_eof(t)) {
+            protocol_error(c);
+            return;
+        }
+
+        fix_playback_buffer_attr_pre(s, adjust_latency, early_requests, &maxlength, &tlength, &prebuf, &minreq);
+        pa_memblockq_set_maxlength(s->memblockq, maxlength);
+        pa_memblockq_set_tlength(s->memblockq, tlength);
+        pa_memblockq_set_prebuf(s->memblockq, prebuf);
+        pa_memblockq_set_minreq(s->memblockq, minreq);
+        fix_playback_buffer_attr_post(s, &maxlength, &tlength, &prebuf, &minreq);
+
+        reply = reply_new(tag);
+        pa_tagstruct_putu32(reply, maxlength);
+        pa_tagstruct_putu32(reply, tlength);
+        pa_tagstruct_putu32(reply, prebuf);
+        pa_tagstruct_putu32(reply, minreq);
+
+        if (c->version >= 13)
+            pa_tagstruct_put_usec(reply, s->sink_latency);
+
+    } else {
+        record_stream *s;
+        pa_bool_t adjust_latency = FALSE, early_requests = FALSE;
+        pa_assert(command == PA_COMMAND_SET_RECORD_STREAM_BUFFER_ATTR);
+
+        s = pa_idxset_get_by_index(c->record_streams, idx);
+        CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+        if (pa_tagstruct_get(
+                    t,
+                    PA_TAG_U32, &maxlength,
+                    PA_TAG_U32, &fragsize,
+                    PA_TAG_INVALID) < 0 ||
+            (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) ||
+            (c->version >= 14 && pa_tagstruct_get_boolean(t, &early_requests) < 0) ||
+            !pa_tagstruct_eof(t)) {
+            protocol_error(c);
+            return;
+        }
+
+        fix_record_buffer_attr_pre(s, adjust_latency, early_requests, &maxlength, &fragsize);
+        pa_memblockq_set_maxlength(s->memblockq, maxlength);
+        fix_record_buffer_attr_post(s, &maxlength, &fragsize);
+
+        reply = reply_new(tag);
+        pa_tagstruct_putu32(reply, maxlength);
+        pa_tagstruct_putu32(reply, fragsize);
+
+        if (c->version >= 13)
+            pa_tagstruct_put_usec(reply, s->source_latency);
+    }
+
+    pa_pstream_send_tagstruct(c->pstream, reply);
+}
+
+static void command_update_stream_sample_rate(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    uint32_t idx;
+    uint32_t rate;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    if (pa_tagstruct_getu32(t, &idx) < 0 ||
+        pa_tagstruct_getu32(t, &rate) < 0 ||
+        !pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        return;
+    }
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+    CHECK_VALIDITY(c->pstream, rate > 0 && rate <= PA_RATE_MAX, tag, PA_ERR_INVALID);
+
+    if (command == PA_COMMAND_UPDATE_PLAYBACK_STREAM_SAMPLE_RATE) {
+        playback_stream *s;
+
+        s = pa_idxset_get_by_index(c->output_streams, idx);
+        CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+        CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
+
+        pa_sink_input_set_rate(s->sink_input, rate);
+
+    } else {
+        record_stream *s;
+        pa_assert(command == PA_COMMAND_UPDATE_RECORD_STREAM_SAMPLE_RATE);
+
+        s = pa_idxset_get_by_index(c->record_streams, idx);
+        CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+        pa_source_output_set_rate(s->source_output, rate);
+    }
+
+    pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_update_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    uint32_t idx;
+    uint32_t mode;
+    pa_proplist *p;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+    p = pa_proplist_new();
+
+    if (command == PA_COMMAND_UPDATE_CLIENT_PROPLIST) {
+
+        if (pa_tagstruct_getu32(t, &mode) < 0 ||
+            pa_tagstruct_get_proplist(t, p) < 0 ||
+            !pa_tagstruct_eof(t)) {
+            protocol_error(c);
+            pa_proplist_free(p);
+            return;
+        }
+
+    } else {
+
+        if (pa_tagstruct_getu32(t, &idx) < 0 ||
+            pa_tagstruct_getu32(t, &mode) < 0 ||
+            pa_tagstruct_get_proplist(t, p) < 0 ||
+            !pa_tagstruct_eof(t)) {
+            protocol_error(c);
+            pa_proplist_free(p);
+            return;
+        }
+    }
+
+    CHECK_VALIDITY(c->pstream, mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE, tag, PA_ERR_INVALID);
+
+    if (command == PA_COMMAND_UPDATE_PLAYBACK_STREAM_PROPLIST) {
+        playback_stream *s;
+
+        s = pa_idxset_get_by_index(c->output_streams, idx);
+        CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+        CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
+
+        pa_proplist_update(s->sink_input->proplist, mode, p);
+        pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->sink_input->index);
+
+    } else if (command == PA_COMMAND_UPDATE_RECORD_STREAM_PROPLIST) {
+        record_stream *s;
+
+        s = pa_idxset_get_by_index(c->record_streams, idx);
+        CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+
+        pa_proplist_update(s->source_output->proplist, mode, p);
+        pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->source_output->index);
+    } else {
+        pa_assert(command == PA_COMMAND_UPDATE_CLIENT_PROPLIST);
+
+        pa_proplist_update(c->client->proplist, mode, p);
+        pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index);
+    }
+
+    pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_remove_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    uint32_t idx;
+    unsigned changed = 0;
+    pa_proplist *p;
+    pa_strlist *l = NULL;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+
+    if (command != PA_COMMAND_REMOVE_CLIENT_PROPLIST) {
+
+        if (pa_tagstruct_getu32(t, &idx) < 0) {
+            protocol_error(c);
+            return;
+        }
+    }
+
+    if (command == PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST) {
+        playback_stream *s;
+
+        s = pa_idxset_get_by_index(c->output_streams, idx);
+        CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+        CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
+
+        p = s->sink_input->proplist;
+
+    } else if (command == PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST) {
+        record_stream *s;
+
+        s = pa_idxset_get_by_index(c->record_streams, idx);
+        CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
 
-    if (pa_tagstruct_getu32(t, &idx) < 0 ||
-        pa_tagstruct_get_boolean(t, &b) < 0 ||
-        !pa_tagstruct_eof(t)) {
-        protocol_error(c);
-        return;
+        p = s->source_output->proplist;
+    } else {
+        pa_assert(command == PA_COMMAND_REMOVE_CLIENT_PROPLIST);
+
+        p = c->client->proplist;
     }
 
-    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
-    s = pa_idxset_get_by_index(c->output_streams, idx);
-    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
-    CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
+    for (;;) {
+        const char *k;
 
-    pa_sink_input_cork(s->sink_input, b);
-    pa_pstream_send_simple_ack(c->pstream, tag);
-}
+        if (pa_tagstruct_gets(t, &k) < 0) {
+            protocol_error(c);
+            pa_strlist_free(l);
+            return;
+        }
 
-static void command_trigger_or_flush_or_prebuf_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
-    uint32_t idx;
-    playback_stream *s;
+        if (!k)
+            break;
 
-    connection_assert_ref(c);
-    pa_assert(t);
+        l = pa_strlist_prepend(l, k);
+    }
 
-    if (pa_tagstruct_getu32(t, &idx) < 0 ||
-        !pa_tagstruct_eof(t)) {
+    if (!pa_tagstruct_eof(t)) {
         protocol_error(c);
+        pa_strlist_free(l);
         return;
     }
 
-    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
-    s = pa_idxset_get_by_index(c->output_streams, idx);
-    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
-    CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY);
+    for (;;) {
+        char *z;
 
-    switch (command) {
-        case PA_COMMAND_FLUSH_PLAYBACK_STREAM:
-            pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_FLUSH, NULL, 0, NULL);
-            break;
-            
-        case PA_COMMAND_PREBUF_PLAYBACK_STREAM:
-            pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_PREBUF_FORCE, NULL, 0, NULL);
-            break;
+        l = pa_strlist_pop(l, &z);
 
-        case PA_COMMAND_TRIGGER_PLAYBACK_STREAM:
-            pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_TRIGGER, NULL, 0, NULL);
+        if (!z)
             break;
 
-        default:
-            pa_assert_not_reached();
+        changed += (unsigned) (pa_proplist_unset(p, z) >= 0);
+        pa_xfree(z);
     }
 
     pa_pstream_send_simple_ack(c->pstream, tag);
-}
-
-static void command_cork_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
-    uint32_t idx;
-    record_stream *s;
-    int b;
-
-    connection_assert_ref(c);
-    pa_assert(t);
 
-    if (pa_tagstruct_getu32(t, &idx) < 0 ||
-        pa_tagstruct_get_boolean(t, &b) < 0 ||
-        !pa_tagstruct_eof(t)) {
-        protocol_error(c);
-        return;
-    }
+    if (changed) {
+        if (command == PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST) {
+            playback_stream *s;
 
-    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    s = pa_idxset_get_by_index(c->record_streams, idx);
-    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
+            s = pa_idxset_get_by_index(c->output_streams, idx);
+            pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->sink_input->index);
 
-    pa_source_output_cork(s->source_output, b);
-    pa_memblockq_prebuf_force(s->memblockq);
-    pa_pstream_send_simple_ack(c->pstream, tag);
-}
+        } else if (command == PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST) {
+            record_stream *s;
 
-static void command_flush_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
-    uint32_t idx;
-    record_stream *s;
+            s = pa_idxset_get_by_index(c->record_streams, idx);
+            pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->source_output->index);
 
-    connection_assert_ref(c);
-    pa_assert(t);
-    
-    if (pa_tagstruct_getu32(t, &idx) < 0 ||
-        !pa_tagstruct_eof(t)) {
-        protocol_error(c);
-        return;
+        } else {
+            pa_assert(command == PA_COMMAND_REMOVE_CLIENT_PROPLIST);
+            pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index);
+        }
     }
-
-    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    s = pa_idxset_get_by_index(c->record_streams, idx);
-    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
-
-    pa_memblockq_flush(s->memblockq);
-    pa_pstream_send_simple_ack(c->pstream, tag);
 }
 
-static void command_set_default_sink_or_source(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_set_default_sink_or_source(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     const char *s;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_gets(t, &s) < 0 ||
@@ -2302,18 +3563,18 @@ static void command_set_default_sink_or_source(PA_GCC_UNUSED pa_pdispatch *pd, u
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, !s || (*s && pa_utf8_valid(s)), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !s || pa_namereg_is_valid_name(s), tag, PA_ERR_INVALID);
 
     pa_namereg_set_default(c->protocol->core, s, command == PA_COMMAND_SET_DEFAULT_SOURCE ? PA_NAMEREG_SOURCE : PA_NAMEREG_SINK);
     pa_pstream_send_simple_ack(c->pstream, tag);
 }
 
-static void command_set_stream_name(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_set_stream_name(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx;
     const char *name;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -2337,6 +3598,7 @@ static void command_set_stream_name(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t com
 
     } else {
         record_stream *s;
+        pa_assert(command == PA_COMMAND_SET_RECORD_STREAM_NAME);
 
         s = pa_idxset_get_by_index(c->record_streams, idx);
         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
@@ -2347,11 +3609,11 @@ static void command_set_stream_name(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t com
     pa_pstream_send_simple_ack(c->pstream, tag);
 }
 
-static void command_kill(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_kill(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -2368,7 +3630,7 @@ static void command_kill(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint3
         client = pa_idxset_get_by_index(c->protocol->core->clients, idx);
         CHECK_VALIDITY(c->pstream, client, tag, PA_ERR_NOENTITY);
 
-        connection_ref(c);
+        pa_native_connection_ref(c);
         pa_client_kill(client);
 
     } else if (command == PA_COMMAND_KILL_SINK_INPUT) {
@@ -2377,7 +3639,7 @@ static void command_kill(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint3
         s = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
 
-        connection_ref(c);
+        pa_native_connection_ref(c);
         pa_sink_input_kill(s);
     } else {
         pa_source_output *s;
@@ -2387,23 +3649,23 @@ static void command_kill(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint3
         s = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx);
         CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
 
-        connection_ref(c);
+        pa_native_connection_ref(c);
         pa_source_output_kill(s);
     }
 
     pa_pstream_send_simple_ack(c->pstream, tag);
-    connection_unref(c);
+    pa_native_connection_unref(c);
 }
 
-static void command_load_module(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_load_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     pa_module *m;
     const char *name, *argument;
     pa_tagstruct *reply;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
-    
+
     if (pa_tagstruct_gets(t, &name) < 0 ||
         pa_tagstruct_gets(t, &argument) < 0 ||
         !pa_tagstruct_eof(t)) {
@@ -2425,12 +3687,12 @@ static void command_load_module(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED ui
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_unload_module(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_unload_module(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx;
     pa_module *m;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -2443,18 +3705,18 @@ static void command_unload_module(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED
     m = pa_idxset_get_by_index(c->protocol->core->modules, idx);
     CHECK_VALIDITY(c->pstream, m, tag, PA_ERR_NOENTITY);
 
-    pa_module_unload_request(m);
+    pa_module_unload_request(m, FALSE);
     pa_pstream_send_simple_ack(c->pstream, tag);
 }
 
-static void command_add_autoload(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_add_autoload(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     const char *name, *module, *argument;
     uint32_t type;
     uint32_t idx;
     pa_tagstruct *reply;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_gets(t, &name) < 0 ||
@@ -2482,13 +3744,13 @@ static void command_add_autoload(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED u
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_remove_autoload(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_remove_autoload(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     const char *name = NULL;
     uint32_t type, idx = PA_IDXSET_INVALID;
     int r;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if ((pa_tagstruct_getu32(t, &idx) < 0 &&
@@ -2518,19 +3780,19 @@ static void autoload_fill_tagstruct(pa_tagstruct *t, const pa_autoload_entry *e)
 
     pa_tagstruct_putu32(t, e->index);
     pa_tagstruct_puts(t, e->name);
-    pa_tagstruct_putu32(t, e->type == PA_NAMEREG_SINK ? 0 : 1);
+    pa_tagstruct_putu32(t, e->type == PA_NAMEREG_SINK ? 0U : 1U);
     pa_tagstruct_puts(t, e->module);
     pa_tagstruct_puts(t, e->argument);
 }
 
-static void command_get_autoload_info(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_get_autoload_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     const pa_autoload_entry *a = NULL;
     uint32_t type, idx;
     const char *name;
     pa_tagstruct *reply;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if ((pa_tagstruct_getu32(t, &idx) < 0 &&
@@ -2557,11 +3819,11 @@ static void command_get_autoload_info(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNU
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
-static void command_get_autoload_info_list(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+static void command_get_autoload_info_list(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     pa_tagstruct *reply;
-    
-    connection_assert_ref(c);
+
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (!pa_tagstruct_eof(t)) {
@@ -2585,16 +3847,16 @@ static void command_get_autoload_info_list(PA_GCC_UNUSED pa_pdispatch *pd, PA_GC
 }
 
 static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx = PA_INVALID_INDEX, idx_device = PA_INVALID_INDEX;
-    const char *name = NULL;
+    const char *name_device = NULL;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
         pa_tagstruct_getu32(t, &idx_device) < 0 ||
-        pa_tagstruct_gets(t, &name) < 0 ||
+        pa_tagstruct_gets(t, &name_device) < 0 ||
         !pa_tagstruct_eof(t)) {
         protocol_error(c);
         return;
@@ -2602,7 +3864,11 @@ static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
     CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
-    CHECK_VALIDITY(c->pstream, idx_device != PA_INVALID_INDEX || !name || (*name && pa_utf8_valid(name)), tag, PA_ERR_INVALID);
+
+    CHECK_VALIDITY(c->pstream, !name_device || pa_namereg_is_valid_name(name_device), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx_device != PA_INVALID_INDEX || name_device, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx_device == PA_INVALID_INDEX || !name_device, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name_device || idx_device == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
 
     if (command == PA_COMMAND_MOVE_SINK_INPUT) {
         pa_sink_input *si = NULL;
@@ -2613,11 +3879,11 @@ static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag
         if (idx_device != PA_INVALID_INDEX)
             sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx_device);
         else
-            sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK, 1);
+            sink = pa_namereg_get(c->protocol->core, name_device, PA_NAMEREG_SINK, 1);
 
         CHECK_VALIDITY(c->pstream, si && sink, tag, PA_ERR_NOENTITY);
 
-        if (pa_sink_input_move_to(si, sink, 0) < 0) {
+        if (pa_sink_input_move_to(si, sink) < 0) {
             pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
             return;
         }
@@ -2632,7 +3898,7 @@ static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag
         if (idx_device != PA_INVALID_INDEX)
             source = pa_idxset_get_by_index(c->protocol->core->sources, idx_device);
         else
-            source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE, 1);
+            source = pa_namereg_get(c->protocol->core, name_device, PA_NAMEREG_SOURCE, 1);
 
         CHECK_VALIDITY(c->pstream, so && source, tag, PA_ERR_NOENTITY);
 
@@ -2646,12 +3912,12 @@ static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag
 }
 
 static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
-    connection *c = CONNECTION(userdata);
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     uint32_t idx = PA_INVALID_INDEX;
     const char *name = NULL;
-    int b;
+    pa_bool_t b;
 
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(t);
 
     if (pa_tagstruct_getu32(t, &idx) < 0 ||
@@ -2663,7 +3929,10 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa
     }
 
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
-    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || !name || !*name || pa_utf8_valid(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name || pa_namereg_is_valid_name(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
 
     if (command == PA_COMMAND_SUSPEND_SINK) {
 
@@ -2678,7 +3947,7 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa
 
             if (idx != PA_INVALID_INDEX)
                 sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
-            else 
+            else
                 sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK, 1);
 
             CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
@@ -2691,9 +3960,9 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa
     } else {
 
         pa_assert(command == PA_COMMAND_SUSPEND_SOURCE);
-        
+
         if (idx == PA_INVALID_INDEX && name && !*name) {
-            
+
             if (pa_source_suspend_all(c->protocol->core, b) < 0) {
                 pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
                 return;
@@ -2706,7 +3975,7 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa
                 source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
             else
                 source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE, 1);
-            
+
             CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
 
             if (pa_source_suspend(source, b) < 0) {
@@ -2719,28 +3988,69 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa
     pa_pstream_send_simple_ack(c->pstream, tag);
 }
 
+static void command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+    uint32_t idx = PA_INVALID_INDEX;
+    const char *name = NULL;
+    pa_module *m;
+    pa_native_protocol_ext_cb_t cb;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    if (pa_tagstruct_getu32(t, &idx) < 0 ||
+        pa_tagstruct_gets(t, &name) < 0) {
+        protocol_error(c);
+        return;
+    }
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+    CHECK_VALIDITY(c->pstream, !name || pa_utf8_valid(name), tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx != PA_INVALID_INDEX || name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, idx == PA_INVALID_INDEX || !name, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, !name || idx == PA_INVALID_INDEX, tag, PA_ERR_INVALID);
+
+    if (idx != PA_INVALID_INDEX)
+        m = pa_idxset_get_by_index(c->protocol->core->modules, idx);
+    else {
+        for (m = pa_idxset_first(c->protocol->core->modules, &idx); m; m = pa_idxset_next(c->protocol->core->modules, &idx))
+            if (strcmp(name, m->name) == 0)
+                break;
+    }
+
+    CHECK_VALIDITY(c->pstream, m, tag, PA_ERR_NOEXTENSION);
+    CHECK_VALIDITY(c->pstream, m->load_once || idx != PA_INVALID_INDEX, tag, PA_ERR_INVALID);
+
+    cb = (pa_native_protocol_ext_cb_t) pa_hashmap_get(c->protocol->extensions, m);
+    CHECK_VALIDITY(c->pstream, m, tag, PA_ERR_NOEXTENSION);
+
+    if (cb(c->protocol, m, c, tag, t) < 0)
+        protocol_error(c);
+}
+
+
 /*** pstream callbacks ***/
 
 static void pstream_packet_callback(pa_pstream *p, pa_packet *packet, const pa_creds *creds, void *userdata) {
-    connection *c = CONNECTION(userdata);
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
 
     pa_assert(p);
     pa_assert(packet);
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
 
     if (pa_pdispatch_run(c->pdispatch, packet, creds, c) < 0) {
         pa_log("invalid packet.");
-        connection_unlink(c);
+        native_connection_unlink(c);
     }
 }
 
 static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t offset, pa_seek_mode_t seek, const pa_memchunk *chunk, void *userdata) {
-    connection *c = CONNECTION(userdata);
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
     output_stream *stream;
-    
+
     pa_assert(p);
     pa_assert(chunk);
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
 
     if (!(stream = OUTPUT_STREAM(pa_idxset_get_by_index(c->output_streams, channel)))) {
         pa_log("client sent block for invalid stream.");
@@ -2748,14 +4058,16 @@ static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t o
         return;
     }
 
+/*     pa_log("got %lu bytes", (unsigned long) chunk->length); */
+
     if (playback_stream_isinstance(stream)) {
         playback_stream *ps = PLAYBACK_STREAM(stream);
-        
+
         if (seek != PA_SEEK_RELATIVE || offset != 0)
             pa_asyncmsgq_post(ps->sink_input->sink->asyncmsgq, PA_MSGOBJECT(ps->sink_input), SINK_INPUT_MESSAGE_SEEK, PA_UINT_TO_PTR(seek), offset, NULL, NULL);
-        
+
         pa_asyncmsgq_post(ps->sink_input->sink->asyncmsgq, PA_MSGOBJECT(ps->sink_input), SINK_INPUT_MESSAGE_POST_DATA, NULL, 0, chunk, NULL);
-        
+
     } else {
         upload_stream *u = UPLOAD_STREAM(stream);
         size_t l;
@@ -2796,27 +4108,27 @@ static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t o
 }
 
 static void pstream_die_callback(pa_pstream *p, void *userdata) {
-    connection *c = CONNECTION(userdata);
-    
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+
     pa_assert(p);
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
 
-    connection_unlink(c);
-    pa_log_info("connection died.");
+    native_connection_unlink(c);
+    pa_log_info("Connection died.");
 }
 
 static void pstream_drain_callback(pa_pstream *p, void *userdata) {
-    connection *c = CONNECTION(userdata);
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
 
     pa_assert(p);
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
 
-    send_memblock(c);
+    native_connection_send_memblock(c);
 }
 
 static void pstream_revoke_callback(pa_pstream *p, uint32_t block_id, void *userdata) {
     pa_thread_mq *q;
-    
+
     if (!(q = pa_thread_mq_get()))
         pa_pstream_send_revoke(p, block_id);
     else
@@ -2825,7 +4137,7 @@ static void pstream_revoke_callback(pa_pstream *p, uint32_t block_id, void *user
 
 static void pstream_release_callback(pa_pstream *p, uint32_t block_id, void *userdata) {
     pa_thread_mq *q;
-    
+
     if (!(q = pa_thread_mq_get()))
         pa_pstream_send_release(p, block_id);
     else
@@ -2836,32 +4148,34 @@ static void pstream_release_callback(pa_pstream *p, uint32_t block_id, void *use
 
 static void client_kill_cb(pa_client *c) {
     pa_assert(c);
-    
-    connection_unlink(CONNECTION(c->userdata));
+
+    native_connection_unlink(PA_NATIVE_CONNECTION(c->userdata));
+    pa_log_info("Connection killed.");
 }
 
-/*** socket server callbacks ***/
+/*** module entry points ***/
 
 static void auth_timeout(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) {
-    connection *c = CONNECTION(userdata);
-    
+    pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
+
     pa_assert(m);
     pa_assert(tv);
-    connection_assert_ref(c);
+    pa_native_connection_assert_ref(c);
     pa_assert(c->auth_timeout_event == e);
 
-    if (!c->authorized)
-        connection_unlink(c);
+    if (!c->authorized) {
+        native_connection_unlink(c);
+        pa_log_info("Connection terminated due to authentication timeout.");
+    }
 }
 
-static void on_connection(PA_GCC_UNUSED pa_socket_server*s, pa_iochannel *io, void *userdata) {
-    pa_protocol_native *p = userdata;
-    connection *c;
+void pa_native_protocol_connect(pa_native_protocol *p, pa_iochannel *io, pa_native_options *o) {
+    pa_native_connection *c;
     char cname[256], pname[128];
 
-    pa_assert(s);
-    pa_assert(io);
     pa_assert(p);
+    pa_assert(io);
+    pa_assert(o);
 
     if (pa_idxset_size(p->connections)+1 > MAX_CONNECTIONS) {
         pa_log_warn("Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS);
@@ -2869,15 +4183,24 @@ static void on_connection(PA_GCC_UNUSED pa_socket_server*s, pa_iochannel *io, vo
         return;
     }
 
-    c = pa_msgobject_new(connection);
-    c->parent.parent.free = connection_free;
-    c->parent.process_msg = connection_process_msg;
+    c = pa_msgobject_new(pa_native_connection);
+    c->parent.parent.free = native_connection_free;
+    c->parent.process_msg = native_connection_process_msg;
+    c->protocol = p;
+    c->options = pa_native_options_ref(o);
+    c->authorized = FALSE;
+
+    if (o->auth_anonymous) {
+        pa_log_info("Client authenticated anonymously.");
+        c->authorized = TRUE;
+    }
 
-    c->authorized = !!p->public;
+    if (!c->authorized &&
+        o->auth_ip_acl &&
+        pa_ip_acl_check(o->auth_ip_acl, pa_iochannel_get_recv_fd(io)) > 0) {
 
-    if (!c->authorized && p->auth_ip_acl && pa_ip_acl_check(p->auth_ip_acl, pa_iochannel_get_recv_fd(io)) > 0) {
         pa_log_info("Client authenticated by IP ACL.");
-        c->authorized = 1;
+        c->authorized = TRUE;
     }
 
     if (!c->authorized) {
@@ -2888,17 +4211,18 @@ static void on_connection(PA_GCC_UNUSED pa_socket_server*s, pa_iochannel *io, vo
     } else
         c->auth_timeout_event = NULL;
 
+    c->is_local = pa_iochannel_socket_is_local(io);
     c->version = 8;
-    c->protocol = p;
+
     pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname));
     pa_snprintf(cname, sizeof(cname), "Native client (%s)", pname);
     c->client = pa_client_new(p->core, __FILE__, cname);
+    pa_proplist_sets(c->client->proplist, "native-protocol.peer", pname);
     c->client->kill = client_kill_cb;
     c->client->userdata = c;
-    c->client->owner = p->module;
+    c->client->module = o->module;
 
     c->pstream = pa_pstream_new(p->core->mainloop, io, p->core->mempool);
-
     pa_pstream_set_recieve_packet_callback(c->pstream, pstream_packet_callback, c);
     pa_pstream_set_recieve_memblock_callback(c->pstream, pstream_memblock_callback, c);
     pa_pstream_set_die_callback(c->pstream, pstream_die_callback, c);
@@ -2919,167 +4243,250 @@ static void on_connection(PA_GCC_UNUSED pa_socket_server*s, pa_iochannel *io, vo
 #ifdef HAVE_CREDS
     if (pa_iochannel_creds_supported(io))
         pa_iochannel_creds_enable(io);
-
 #endif
+
+    pa_hook_fire(&p->hooks[PA_NATIVE_HOOK_CONNECTION_PUT], c);
 }
 
-/*** module entry points ***/
+void pa_native_protocol_disconnect(pa_native_protocol *p, pa_module *m) {
+    pa_native_connection *c;
+    void *state = NULL;
 
-static int load_key(pa_protocol_native*p, const char*fn) {
     pa_assert(p);
+    pa_assert(m);
 
-    p->auth_cookie_in_property = 0;
+    while ((c = pa_idxset_iterate(p->connections, &state, NULL)))
+        if (c->options->module == m)
+            native_connection_unlink(c);
+}
 
-    if (!fn && pa_authkey_prop_get(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME, p->auth_cookie, sizeof(p->auth_cookie)) >= 0) {
-        pa_log_info("using already loaded auth cookie.");
-        pa_authkey_prop_ref(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME);
-        p->auth_cookie_in_property = 1;
-        return 0;
-    }
+static pa_native_protocol* native_protocol_new(pa_core *c) {
+    pa_native_protocol *p;
+    pa_native_hook_t h;
 
-    if (!fn)
-        fn = PA_NATIVE_COOKIE_FILE;
+    pa_assert(c);
 
-    if (pa_authkey_load_auto(fn, p->auth_cookie, sizeof(p->auth_cookie)) < 0)
-        return -1;
+    p = pa_xnew(pa_native_protocol, 1);
+    PA_REFCNT_INIT(p);
+    p->core = c;
+    p->connections = pa_idxset_new(NULL, NULL);
 
-    pa_log_info("loading cookie from disk.");
+    p->servers = NULL;
 
-    if (pa_authkey_prop_put(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME, p->auth_cookie, sizeof(p->auth_cookie)) >= 0)
-        p->auth_cookie_in_property = 1;
+    p->extensions = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
 
-    return 0;
+    for (h = 0; h < PA_NATIVE_HOOK_MAX; h++)
+        pa_hook_init(&p->hooks[h], p);
+
+    pa_assert_se(pa_shared_set(c, "native-protocol", p) >= 0);
+
+    return p;
 }
 
-static pa_protocol_native* protocol_new_internal(pa_core *c, pa_module *m, pa_modargs *ma) {
-    pa_protocol_native *p;
-    int public = 0;
-    const char *acl;
+pa_native_protocol* pa_native_protocol_get(pa_core *c) {
+    pa_native_protocol *p;
 
-    pa_assert(c);
-    pa_assert(ma);
+    if ((p = pa_shared_get(c, "native-protocol")))
+        return pa_native_protocol_ref(p);
 
-    if (pa_modargs_get_value_boolean(ma, "auth-anonymous", &public) < 0) {
-        pa_log("auth-anonymous= expects a boolean argument.");
-        return NULL;
-    }
+    return native_protocol_new(c);
+}
 
-    p = pa_xnew(pa_protocol_native, 1);
-    p->core = c;
-    p->module = m;
-    p->public = public;
-    p->server = NULL;
-    p->auth_ip_acl = NULL;
+pa_native_protocol* pa_native_protocol_ref(pa_native_protocol *p) {
+    pa_assert(p);
+    pa_assert(PA_REFCNT_VALUE(p) >= 1);
 
-#ifdef HAVE_CREDS
-    {
-        int a = 1;
-        if (pa_modargs_get_value_boolean(ma, "auth-group-enabled", &a) < 0) {
-            pa_log("auth-group-enabled= expects a boolean argument.");
-            return NULL;
-        }
-        p->auth_group = a ? pa_xstrdup(pa_modargs_get_value(ma, "auth-group", c->is_system_instance ? PA_ACCESS_GROUP : NULL)) : NULL;
+    PA_REFCNT_INC(p);
 
-        if (p->auth_group)
-            pa_log_info("Allowing access to group '%s'.", p->auth_group);
-    }
-#endif
+    return p;
+}
 
+void pa_native_protocol_unref(pa_native_protocol *p) {
+    pa_native_connection *c;
+    pa_native_hook_t h;
 
-    if ((acl = pa_modargs_get_value(ma, "auth-ip-acl", NULL))) {
+    pa_assert(p);
+    pa_assert(PA_REFCNT_VALUE(p) >= 1);
 
-        if (!(p->auth_ip_acl = pa_ip_acl_new(acl))) {
-            pa_log("Failed to parse IP ACL '%s'", acl);
-            goto fail;
-        }
-    }
+    if (PA_REFCNT_DEC(p) > 0)
+        return;
 
-    if (load_key(p, pa_modargs_get_value(ma, "cookie", NULL)) < 0)
-        goto fail;
+    while ((c = pa_idxset_first(p->connections, NULL)))
+        native_connection_unlink(c);
 
-    p->connections = pa_idxset_new(NULL, NULL);
+    pa_idxset_free(p->connections, NULL, NULL);
 
-    return p;
+    pa_strlist_free(p->servers);
+
+    for (h = 0; h < PA_NATIVE_HOOK_MAX; h++)
+        pa_hook_done(&p->hooks[h]);
+
+    pa_hashmap_free(p->extensions, NULL, NULL);
+
+    pa_assert_se(pa_shared_remove(p->core, "native-protocol") >= 0);
 
-fail:
-#ifdef HAVE_CREDS
-    pa_xfree(p->auth_group);
-#endif
-    if (p->auth_ip_acl)
-        pa_ip_acl_free(p->auth_ip_acl);
     pa_xfree(p);
-    return NULL;
 }
 
-pa_protocol_native* pa_protocol_native_new(pa_core *core, pa_socket_server *server, pa_module *m, pa_modargs *ma) {
-    char t[256];
-    pa_protocol_native *p;
+void pa_native_protocol_add_server_string(pa_native_protocol *p, const char *name) {
+    pa_assert(p);
+    pa_assert(PA_REFCNT_VALUE(p) >= 1);
+    pa_assert(name);
+
+    p->servers = pa_strlist_prepend(p->servers, name);
 
-    if (!(p = protocol_new_internal(core, m, ma)))
-        return NULL;
+    pa_hook_fire(&p->hooks[PA_NATIVE_HOOK_SERVERS_CHANGED], p->servers);
+}
 
-    p->server = server;
-    pa_socket_server_set_callback(p->server, on_connection, p);
+void pa_native_protocol_remove_server_string(pa_native_protocol *p, const char *name) {
+    pa_assert(p);
+    pa_assert(PA_REFCNT_VALUE(p) >= 1);
+    pa_assert(name);
 
-    if (pa_socket_server_get_address(p->server, t, sizeof(t))) {
-        pa_strlist *l;
-        l = pa_property_get(core, PA_NATIVE_SERVER_PROPERTY_NAME);
-        l = pa_strlist_prepend(l, t);
-        pa_property_replace(core, PA_NATIVE_SERVER_PROPERTY_NAME, l);
-    }
+    p->servers = pa_strlist_remove(p->servers, name);
 
-    return p;
+    pa_hook_fire(&p->hooks[PA_NATIVE_HOOK_SERVERS_CHANGED], p->servers);
 }
 
-void pa_protocol_native_free(pa_protocol_native *p) {
-    connection *c;
+pa_hook *pa_native_protocol_hooks(pa_native_protocol *p) {
     pa_assert(p);
+    pa_assert(PA_REFCNT_VALUE(p) >= 1);
 
-    while ((c = pa_idxset_first(p->connections, NULL)))
-        connection_unlink(c);
-    pa_idxset_free(p->connections, NULL, NULL);
+    return p->hooks;
+}
 
-    if (p->server) {
-        char t[256];
+pa_strlist *pa_native_protocol_servers(pa_native_protocol *p) {
+    pa_assert(p);
+    pa_assert(PA_REFCNT_VALUE(p) >= 1);
 
-        if (pa_socket_server_get_address(p->server, t, sizeof(t))) {
-            pa_strlist *l;
-            l = pa_property_get(p->core, PA_NATIVE_SERVER_PROPERTY_NAME);
-            l = pa_strlist_remove(l, t);
+    return p->servers;
+}
 
-            if (l)
-                pa_property_replace(p->core, PA_NATIVE_SERVER_PROPERTY_NAME, l);
-            else
-                pa_property_remove(p->core, PA_NATIVE_SERVER_PROPERTY_NAME);
-        }
+int pa_native_protocol_install_ext(pa_native_protocol *p, pa_module *m, pa_native_protocol_ext_cb_t cb) {
+    pa_assert(p);
+    pa_assert(PA_REFCNT_VALUE(p) >= 1);
+    pa_assert(m);
+    pa_assert(cb);
+    pa_assert(!pa_hashmap_get(p->extensions, m));
+
+    pa_assert_se(pa_hashmap_put(p->extensions, m, (void*) cb) == 0);
+    return 0;
+}
+
+void pa_native_protocol_remove_ext(pa_native_protocol *p, pa_module *m) {
+    pa_assert(p);
+    pa_assert(PA_REFCNT_VALUE(p) >= 1);
+    pa_assert(m);
+
+    pa_assert_se(pa_hashmap_remove(p->extensions, m));
+}
+
+pa_native_options* pa_native_options_new(void) {
+    pa_native_options *o;
+
+    o = pa_xnew0(pa_native_options, 1);
+    PA_REFCNT_INIT(o);
+
+    return o;
+}
+
+pa_native_options* pa_native_options_ref(pa_native_options *o) {
+    pa_assert(o);
+    pa_assert(PA_REFCNT_VALUE(o) >= 1);
+
+    PA_REFCNT_INC(o);
+
+    return o;
+}
+
+void pa_native_options_unref(pa_native_options *o) {
+    pa_assert(o);
+    pa_assert(PA_REFCNT_VALUE(o) >= 1);
+
+    if (PA_REFCNT_DEC(o) > 0)
+        return;
+
+    pa_xfree(o->auth_group);
+
+    if (o->auth_ip_acl)
+        pa_ip_acl_free(o->auth_ip_acl);
+
+    if (o->auth_cookie)
+        pa_auth_cookie_unref(o->auth_cookie);
+
+    pa_xfree(o);
+}
+
+int pa_native_options_parse(pa_native_options *o, pa_core *c, pa_modargs *ma) {
+    pa_bool_t enabled;
+    const char *acl;
+
+    pa_assert(o);
+    pa_assert(PA_REFCNT_VALUE(o) >= 1);
+    pa_assert(ma);
 
-        pa_socket_server_unref(p->server);
+    if (pa_modargs_get_value_boolean(ma, "auth-anonymous", &o->auth_anonymous) < 0) {
+        pa_log("auth-anonymous= expects a boolean argument.");
+        return -1;
     }
 
-    if (p->auth_cookie_in_property)
-        pa_authkey_prop_unref(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME);
+    enabled = TRUE;
+    if (pa_modargs_get_value_boolean(ma, "auth-group-enabled", &enabled) < 0) {
+        pa_log("auth-group-enabled= expects a boolean argument.");
+        return -1;
+    }
 
-    if (p->auth_ip_acl)
-        pa_ip_acl_free(p->auth_ip_acl);
+    pa_xfree(o->auth_group);
+    o->auth_group = enabled ? pa_xstrdup(pa_modargs_get_value(ma, "auth-group", pa_in_system_mode() ? PA_ACCESS_GROUP : NULL)) : NULL;
 
-#ifdef HAVE_CREDS
-    pa_xfree(p->auth_group);
+#ifndef HAVE_CREDS
+    if (o->auth_group)
+        pa_log_warn("Authentication group configured, but not available on local system. Ignoring.");
 #endif
-    pa_xfree(p);
-}
 
-pa_protocol_native* pa_protocol_native_new_iochannel(
-        pa_core*core,
-        pa_iochannel *io,
-        pa_module *m,
-        pa_modargs *ma) {
-    
-    pa_protocol_native *p;
+    if ((acl = pa_modargs_get_value(ma, "auth-ip-acl", NULL))) {
+        pa_ip_acl *ipa;
 
-    if (!(p = protocol_new_internal(core, m, ma)))
-        return NULL;
+        if (!(ipa = pa_ip_acl_new(acl))) {
+            pa_log("Failed to parse IP ACL '%s'", acl);
+            return -1;
+        }
 
-    on_connection(NULL, io, p);
+        if (o->auth_ip_acl)
+            pa_ip_acl_free(o->auth_ip_acl);
 
-    return p;
+        o->auth_ip_acl = ipa;
+    }
+
+    enabled = TRUE;
+    if (pa_modargs_get_value_boolean(ma, "auth-cookie-enabled", &enabled) < 0) {
+        pa_log("auth-cookie-enabled= expects a boolean argument.");
+        return -1;
+    }
+
+    if (o->auth_cookie)
+        pa_auth_cookie_unref(o->auth_cookie);
+
+    if (enabled) {
+        const char *cn;
+
+        /* The new name for this is 'auth-cookie', for compat reasons
+         * we check the old name too */
+        if (!(cn = pa_modargs_get_value(ma, "auth-cookie", NULL)))
+            if (!(cn = pa_modargs_get_value(ma, "cookie", NULL)))
+                cn = PA_NATIVE_COOKIE_FILE;
+
+        if (!(o->auth_cookie = pa_auth_cookie_get(c, cn, PA_NATIVE_COOKIE_LENGTH)))
+            return -1;
+
+    } else
+          o->auth_cookie = NULL;
+
+    return 0;
+}
+
+pa_pstream* pa_native_connection_get_pstream(pa_native_connection *c) {
+    pa_native_connection_assert_ref(c);
+
+    return c->pstream;
 }