]> code.delx.au - pulseaudio/blobdiff - src/pulsecore/protocol-native.c
sink: volume handling rework, new flat volume logic
[pulseaudio] / src / pulsecore / protocol-native.c
index 0a070f47b6f8de5a892b7ae5e6beab14b301023d..b1285e1551f6458835f2611b978d88279bf20511 100644 (file)
@@ -6,7 +6,7 @@
 
   PulseAudio is free software; you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published
-  by the Free Software Foundation; either version 2 of the License,
+  by the Free Software Foundation; either version 2.1 of the License,
   or (at your option) any later version.
 
   PulseAudio is distributed in the hope that it will be useful, but
@@ -29,6 +29,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+#include <pulse/rtclock.h>
 #include <pulse/timeval.h>
 #include <pulse/version.h>
 #include <pulse/utf8.h>
@@ -61,7 +62,7 @@
 #include "protocol-native.h"
 
 /* Kick a client if it doesn't authenticate within this time */
-#define AUTH_TIMEOUT 60
+#define AUTH_TIMEOUT (60 * PA_USEC_PER_SEC)
 
 /* Don't accept more connection than this */
 #define MAX_CONNECTIONS 64
@@ -81,8 +82,20 @@ typedef struct record_stream {
 
     pa_source_output *source_output;
     pa_memblockq *memblockq;
-    size_t fragment_size;
-    pa_usec_t source_latency;
+
+    pa_bool_t adjust_latency:1;
+    pa_bool_t early_requests:1;
+
+    pa_buffer_attr buffer_attr;
+
+    pa_atomic_t on_the_fly;
+    pa_usec_t configured_source_latency;
+    size_t drop_initial;
+
+    /* Only updated after SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY */
+    size_t on_the_fly_snapshot;
+    pa_usec_t current_monitor_latency;
+    pa_usec_t current_source_latency;
 } record_stream;
 
 PA_DECLARE_CLASS(record_stream);
@@ -105,18 +118,24 @@ typedef struct playback_stream {
 
     pa_sink_input *sink_input;
     pa_memblockq *memblockq;
+
+    pa_bool_t adjust_latency:1;
+    pa_bool_t early_requests:1;
+
     pa_bool_t is_underrun:1;
     pa_bool_t drain_request:1;
     uint32_t drain_tag;
     uint32_t syncid;
 
     pa_atomic_t missing;
-    size_t minreq;
-    pa_usec_t sink_latency;
+    pa_usec_t configured_sink_latency;
+    pa_buffer_attr buffer_attr;
 
     /* Only updated after SINK_INPUT_MESSAGE_UPDATE_LATENCY */
     int64_t read_index, write_index;
     size_t render_memblockq_length;
+    pa_usec_t current_sink_latency;
+    uint64_t playing_for, underrun_for;
 } playback_stream;
 
 PA_DECLARE_CLASS(playback_stream);
@@ -173,6 +192,10 @@ struct pa_native_protocol {
     pa_hashmap *extensions;
 };
 
+enum {
+    SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY = PA_SOURCE_OUTPUT_MESSAGE_MAX
+};
+
 enum {
     SINK_INPUT_MESSAGE_POST_DATA = PA_SINK_INPUT_MESSAGE_MAX, /* data from main loop to sink input */
     SINK_INPUT_MESSAGE_DRAIN, /* disabled prebuf, get playback started. */
@@ -180,7 +203,8 @@ enum {
     SINK_INPUT_MESSAGE_TRIGGER,
     SINK_INPUT_MESSAGE_SEEK,
     SINK_INPUT_MESSAGE_PREBUF_FORCE,
-    SINK_INPUT_MESSAGE_UPDATE_LATENCY
+    SINK_INPUT_MESSAGE_UPDATE_LATENCY,
+    SINK_INPUT_MESSAGE_UPDATE_BUFFER_ATTR
 };
 
 enum {
@@ -188,7 +212,8 @@ enum {
     PLAYBACK_STREAM_MESSAGE_UNDERFLOW,
     PLAYBACK_STREAM_MESSAGE_OVERFLOW,
     PLAYBACK_STREAM_MESSAGE_DRAIN_ACK,
-    PLAYBACK_STREAM_MESSAGE_STARTED
+    PLAYBACK_STREAM_MESSAGE_STARTED,
+    PLAYBACK_STREAM_MESSAGE_UPDATE_TLENGTH
 };
 
 enum {
@@ -203,10 +228,11 @@ enum {
 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_moving_cb(pa_sink_input *i, pa_sink *dest);
 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 sink_input_send_event_cb(pa_sink_input *i, const char *event, pa_proplist *pl);
 
 static void native_connection_send_memblock(pa_native_connection *c);
 static void playback_stream_request_bytes(struct playback_stream*s);
@@ -214,10 +240,12 @@ 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 void source_output_moving_cb(pa_source_output *o, pa_source *dest);
 static pa_usec_t source_output_get_latency_cb(pa_source_output *o);
+static void source_output_send_event_cb(pa_source_output *o, const char *event, pa_proplist *pl);
 
 static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk);
+static int source_output_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk);
 
 static void command_exit(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
 static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
@@ -256,6 +284,8 @@ static void command_update_stream_sample_rate(pa_pdispatch *pd, uint32_t command
 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 void command_set_card_profile(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_set_sink_or_source_port(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,
@@ -283,6 +313,7 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
     [PA_COMMAND_GET_SINK_INFO] = command_get_info,
     [PA_COMMAND_GET_SOURCE_INFO] = command_get_info,
     [PA_COMMAND_GET_CLIENT_INFO] = command_get_info,
+    [PA_COMMAND_GET_CARD_INFO] = command_get_info,
     [PA_COMMAND_GET_MODULE_INFO] = command_get_info,
     [PA_COMMAND_GET_SINK_INPUT_INFO] = command_get_info,
     [PA_COMMAND_GET_SOURCE_OUTPUT_INFO] = command_get_info,
@@ -291,6 +322,7 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
     [PA_COMMAND_GET_SOURCE_INFO_LIST] = command_get_info_list,
     [PA_COMMAND_GET_MODULE_INFO_LIST] = command_get_info_list,
     [PA_COMMAND_GET_CLIENT_INFO_LIST] = command_get_info_list,
+    [PA_COMMAND_GET_CARD_INFO_LIST] = command_get_info_list,
     [PA_COMMAND_GET_SINK_INPUT_INFO_LIST] = command_get_info_list,
     [PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST] = command_get_info_list,
     [PA_COMMAND_GET_SAMPLE_INFO_LIST] = command_get_info_list,
@@ -348,11 +380,17 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
     [PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST] = command_remove_proplist,
     [PA_COMMAND_REMOVE_CLIENT_PROPLIST] = command_remove_proplist,
 
+    [PA_COMMAND_SET_CARD_PROFILE] = command_set_card_profile,
+
+    [PA_COMMAND_SET_SINK_PORT] = command_set_sink_or_source_port,
+    [PA_COMMAND_SET_SOURCE_PORT] = command_set_sink_or_source_port,
+
     [PA_COMMAND_EXTENSION] = command_extension
 };
 
 /* structure management */
 
+/* Called from main context */
 static void upload_stream_unlink(upload_stream *s) {
     pa_assert(s);
 
@@ -364,6 +402,7 @@ static void upload_stream_unlink(upload_stream *s) {
     upload_stream_unref(s);
 }
 
+/* Called from main context */
 static void upload_stream_free(pa_object *o) {
     upload_stream *s = UPLOAD_STREAM(o);
     pa_assert(s);
@@ -381,6 +420,7 @@ static void upload_stream_free(pa_object *o) {
     pa_xfree(s);
 }
 
+/* Called from main context */
 static upload_stream* upload_stream_new(
         pa_native_connection *c,
         const pa_sample_spec *ss,
@@ -413,6 +453,7 @@ static upload_stream* upload_stream_new(
     return s;
 }
 
+/* Called from main context */
 static void record_stream_unlink(record_stream *s) {
     pa_assert(s);
 
@@ -430,6 +471,7 @@ static void record_stream_unlink(record_stream *s) {
     record_stream_unref(s);
 }
 
+/* Called from main context */
 static void record_stream_free(pa_object *o) {
     record_stream *s = RECORD_STREAM(o);
     pa_assert(s);
@@ -440,6 +482,7 @@ static void record_stream_free(pa_object *o) {
     pa_xfree(s);
 }
 
+/* Called from main context */
 static int record_stream_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) {
     record_stream *s = RECORD_STREAM(o);
     record_stream_assert_ref(s);
@@ -451,6 +494,10 @@ static int record_stream_process_msg(pa_msgobject *o, int code, void*userdata, i
 
         case RECORD_STREAM_MESSAGE_POST_DATA:
 
+            /* We try to keep up to date with how many bytes are
+             * currently on the fly */
+            pa_atomic_sub(&s->on_the_fly, chunk->length);
+
             if (pa_memblockq_push_align(s->memblockq, chunk) < 0) {
 /*                 pa_log_warn("Failed to push data into output queue."); */
                 return -1;
@@ -465,35 +512,34 @@ 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) {
+/* Called from main context */
+static void fix_record_buffer_attr_pre(record_stream *s) {
 
     size_t frame_size;
     pa_usec_t orig_fragsize_usec, fragsize_usec, source_usec;
 
     pa_assert(s);
-    pa_assert(maxlength);
-    pa_assert(fragsize);
+
+    /* This function will be called from the main thread, before as
+     * well as after the source output has been activated using
+     * pa_source_output_put()! That means it may not touch any
+     * ->thread_info data! */
 
     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 (s->buffer_attr.maxlength == (uint32_t) -1 || s->buffer_attr.maxlength > MAX_MEMBLOCKQ_LENGTH)
+        s->buffer_attr.maxlength = MAX_MEMBLOCKQ_LENGTH;
+    if (s->buffer_attr.maxlength <= 0)
+        s->buffer_attr.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;
+    if (s->buffer_attr.fragsize == (uint32_t) -1)
+        s->buffer_attr.fragsize = (uint32_t) pa_usec_to_bytes(DEFAULT_FRAGSIZE_MSEC*PA_USEC_PER_MSEC, &s->source_output->sample_spec);
+    if (s->buffer_attr.fragsize <= 0)
+        s->buffer_attr.fragsize = (uint32_t) frame_size;
 
-    orig_fragsize_usec = fragsize_usec = pa_bytes_to_usec(*fragsize, &s->source_output->sample_spec);
+    orig_fragsize_usec = fragsize_usec = pa_bytes_to_usec(s->buffer_attr.fragsize, &s->source_output->sample_spec);
 
-    if (early_requests) {
+    if (s->early_requests) {
 
         /* In early request mode we need to emulate the classic
          * fragment-based playback model. We do this setting the source
@@ -501,7 +547,7 @@ static void fix_record_buffer_attr_pre(
 
         source_usec = fragsize_usec;
 
-    } else if (adjust_latency) {
+    } else if (s->adjust_latency) {
 
         /* So, the user asked us to adjust the latency according to
          * what the source can provide. Half the latency will be
@@ -515,88 +561,85 @@ static void fix_record_buffer_attr_pre(
         /* Ok, the user didn't ask us to adjust the latency, hence we
          * don't */
 
-        source_usec = 0;
+        source_usec = (pa_usec_t) -1;
     }
 
-    if (source_usec > 0)
-        s->source_latency = pa_source_output_set_requested_latency(s->source_output, source_usec);
+    if (source_usec != (pa_usec_t) -1)
+        s->configured_source_latency = pa_source_output_set_requested_latency(s->source_output, source_usec);
     else
-        s->source_latency = 0;
+        s->configured_source_latency = 0;
 
-    if (early_requests) {
+    if (s->early_requests) {
 
         /* Ok, we didn't necessarily get what we were asking for, so
          * let's tell the user */
 
-        fragsize_usec = s->source_latency;
+        fragsize_usec = s->configured_source_latency;
 
-    } else if (adjust_latency) {
+    } else if (s->adjust_latency) {
 
         /* Now subtract what we actually got */
 
-        if (fragsize_usec >= s->source_latency*2)
-            fragsize_usec -= s->source_latency;
+        if (fragsize_usec >= s->configured_source_latency*2)
+            fragsize_usec -= s->configured_source_latency;
         else
-            fragsize_usec = s->source_latency;
+            fragsize_usec = s->configured_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);
+        s->buffer_attr.fragsize = (uint32_t) pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec);
 
-    if (*fragsize <= 0)
-        *fragsize = (uint32_t) frame_size;
+    if (s->buffer_attr.fragsize <= 0)
+        s->buffer_attr.fragsize = (uint32_t) frame_size;
 }
 
-static void fix_record_buffer_attr_post(
-        record_stream *s,
-        uint32_t *maxlength,
-        uint32_t *fragsize) {
-
+/* Called from main context */
+static void fix_record_buffer_attr_post(record_stream *s) {
     size_t base;
 
     pa_assert(s);
-    pa_assert(maxlength);
-    pa_assert(fragsize);
 
-    *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq);
+    /* This function will be called from the main thread, before as
+     * well as after the source output has been activated using
+     * pa_source_output_put()! That means it may not touch and
+     * ->thread_info data! */
 
     base = pa_frame_size(&s->source_output->sample_spec);
 
-    s->fragment_size = (*fragsize/base)*base;
-    if (s->fragment_size <= 0)
-        s->fragment_size = base;
+    s->buffer_attr.fragsize = (s->buffer_attr.fragsize/base)*base;
+    if (s->buffer_attr.fragsize <= 0)
+        s->buffer_attr.fragsize = base;
 
-    if (s->fragment_size > *maxlength)
-        s->fragment_size = *maxlength;
-
-    *fragsize = (uint32_t) s->fragment_size;
+    if (s->buffer_attr.fragsize > s->buffer_attr.maxlength)
+        s->buffer_attr.fragsize = s->buffer_attr.maxlength;
 }
 
+/* Called from main context */
 static record_stream* record_stream_new(
         pa_native_connection *c,
         pa_source *source,
         pa_sample_spec *ss,
         pa_channel_map *map,
         pa_bool_t peak_detect,
-        uint32_t *maxlength,
-        uint32_t *fragsize,
+        pa_buffer_attr *attr,
         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) {
+        pa_bool_t early_requests,
+        int *ret) {
 
     record_stream *s;
-    pa_source_output *source_output;
+    pa_source_output *source_output = NULL;
     size_t base;
     pa_source_output_new_data data;
 
     pa_assert(c);
     pa_assert(ss);
-    pa_assert(maxlength);
     pa_assert(p);
+    pa_assert(ret);
 
     pa_source_output_new_data_init(&data);
 
@@ -611,7 +654,7 @@ static record_stream* record_stream_new(
     if (peak_detect)
         data.resample_method = PA_RESAMPLER_PEAKS;
 
-    source_output = pa_source_output_new(c->protocol->core, &data, flags);
+    *ret = -pa_source_output_new(&source_output, c->protocol->core, &data, flags);
 
     pa_source_output_new_data_done(&data);
 
@@ -623,19 +666,25 @@ static record_stream* record_stream_new(
     s->parent.process_msg = record_stream_process_msg;
     s->connection = c;
     s->source_output = source_output;
+    s->buffer_attr = *attr;
+    s->adjust_latency = adjust_latency;
+    s->early_requests = early_requests;
+    pa_atomic_store(&s->on_the_fly, 0);
 
+    s->source_output->parent.process_msg = source_output_process_msg;
     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->moving = source_output_moving_cb;
     s->source_output->suspend = source_output_suspend_cb;
+    s->source_output->send_event = source_output_send_event_cb;
     s->source_output->userdata = s;
 
-    fix_record_buffer_attr_pre(s, adjust_latency, early_requests, maxlength, fragsize);
+    fix_record_buffer_attr_pre(s);
 
     s->memblockq = pa_memblockq_new(
             0,
-            *maxlength,
+            s->buffer_attr.maxlength,
             0,
             base = pa_frame_size(&source_output->sample_spec),
             1,
@@ -643,7 +692,8 @@ static record_stream* record_stream_new(
             0,
             NULL);
 
-    fix_record_buffer_attr_post(s, maxlength, fragsize);
+    pa_memblockq_get_attr(s->memblockq, &s->buffer_attr);
+    fix_record_buffer_attr_post(s);
 
     *ss = s->source_output->sample_spec;
     *map = s->source_output->channel_map;
@@ -651,14 +701,15 @@ static record_stream* record_stream_new(
     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);
+                ((double) pa_bytes_to_usec(s->buffer_attr.fragsize, &source_output->sample_spec) + (double) s->configured_source_latency) / PA_USEC_PER_MSEC,
+                (double) pa_bytes_to_usec(s->buffer_attr.fragsize, &source_output->sample_spec) / PA_USEC_PER_MSEC,
+                (double) s->configured_source_latency / PA_USEC_PER_MSEC);
 
     pa_source_output_put(s->source_output);
     return s;
 }
 
+/* Called from main context */
 static void record_stream_send_killed(record_stream *r) {
     pa_tagstruct *t;
     record_stream_assert_ref(r);
@@ -670,6 +721,7 @@ static void record_stream_send_killed(record_stream *r) {
     pa_pstream_send_tagstruct(r->connection->pstream, t);
 }
 
+/* Called from main context */
 static void playback_stream_unlink(playback_stream *s) {
     pa_assert(s);
 
@@ -690,6 +742,7 @@ static void playback_stream_unlink(playback_stream *s) {
     playback_stream_unref(s);
 }
 
+/* Called from main context */
 static void playback_stream_free(pa_object* o) {
     playback_stream *s = PLAYBACK_STREAM(o);
     pa_assert(s);
@@ -700,6 +753,7 @@ static void playback_stream_free(pa_object* o) {
     pa_xfree(s);
 }
 
+/* Called from main context */
 static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) {
     playback_stream *s = PLAYBACK_STREAM(o);
     playback_stream_assert_ref(s);
@@ -708,26 +762,24 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata,
         return -1;
 
     switch (code) {
+
         case PLAYBACK_STREAM_MESSAGE_REQUEST_DATA: {
             pa_tagstruct *t;
-            uint32_t l = 0;
+            int l = 0;
 
             for (;;) {
-                if ((l = (uint32_t) pa_atomic_load(&s->missing)) <= 0)
-                    break;
+                if ((l = pa_atomic_load(&s->missing)) <= 0)
+                    return 0;
 
-                if (pa_atomic_cmpxchg(&s->missing, (int) l, 0))
+                if (pa_atomic_cmpxchg(&s->missing, 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 */
             pa_tagstruct_putu32(t, s->index);
-            pa_tagstruct_putu32(t, l);
+            pa_tagstruct_putu32(t, (uint32_t) l);
             pa_pstream_send_tagstruct(s->connection->pstream, t);
 
 /*             pa_log("Requesting %lu bytes", (unsigned long) l); */
@@ -765,7 +817,7 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata,
             if (s->connection->version >= 13) {
                 pa_tagstruct *t;
 
-                /* Notify the user we're overflowed*/
+                /* Notify the user we started playback */
                 t = pa_tagstruct_new(NULL, 0);
                 pa_tagstruct_putu32(t, PA_COMMAND_STARTED);
                 pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
@@ -778,67 +830,79 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata,
         case PLAYBACK_STREAM_MESSAGE_DRAIN_ACK:
             pa_pstream_send_simple_ack(s->connection->pstream, PA_PTR_TO_UINT(userdata));
             break;
+
+        case PLAYBACK_STREAM_MESSAGE_UPDATE_TLENGTH: {
+            pa_tagstruct *t;
+
+            s->buffer_attr.tlength = (uint32_t) offset;
+
+            t = pa_tagstruct_new(NULL, 0);
+            pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED);
+            pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+            pa_tagstruct_putu32(t, s->index);
+            pa_tagstruct_putu32(t, s->buffer_attr.maxlength);
+            pa_tagstruct_putu32(t, s->buffer_attr.tlength);
+            pa_tagstruct_putu32(t, s->buffer_attr.prebuf);
+            pa_tagstruct_putu32(t, s->buffer_attr.minreq);
+            pa_tagstruct_put_usec(t, s->configured_sink_latency);
+            pa_pstream_send_tagstruct(s->connection->pstream, t);
+
+            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;
+/* Called from main context */
+static void fix_playback_buffer_attr(playback_stream *s) {
+    size_t frame_size, max_prebuf;
     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);
+
+    /* This function will be called from the main thread, before as
+     * well as after the sink input has been activated using
+     * pa_sink_input_put()! That means it may not touch any
+     * ->thread_info data, such as the memblockq! */
 
     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 (s->buffer_attr.maxlength == (uint32_t) -1 || s->buffer_attr.maxlength > MAX_MEMBLOCKQ_LENGTH)
+        s->buffer_attr.maxlength = MAX_MEMBLOCKQ_LENGTH;
+    if (s->buffer_attr.maxlength <= 0)
+        s->buffer_attr.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 (s->buffer_attr.tlength == (uint32_t) -1)
+        s->buffer_attr.tlength = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_TLENGTH_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec);
+    if (s->buffer_attr.tlength <= 0)
+        s->buffer_attr.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 (s->buffer_attr.minreq == (uint32_t) -1)
+        s->buffer_attr.minreq = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_PROCESS_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec);
+    if (s->buffer_attr.minreq <= 0)
+        s->buffer_attr.minreq = (uint32_t) frame_size;
 
-    if (*tlength < *minreq+frame_size)
-        *tlength = *minreq+(uint32_t) frame_size;
+    if (s->buffer_attr.tlength < s->buffer_attr.minreq+frame_size)
+        s->buffer_attr.tlength = s->buffer_attr.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);
+    orig_tlength_usec = tlength_usec = pa_bytes_to_usec(s->buffer_attr.tlength, &s->sink_input->sample_spec);
+    orig_minreq_usec = minreq_usec = pa_bytes_to_usec(s->buffer_attr.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) {
+    if (s->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) {
+    } else if (s->adjust_latency) {
 
         /* So, the user asked us to adjust the latency of the stream
          * buffer according to the what the sink can provide. The
@@ -878,80 +942,60 @@ static void fix_playback_buffer_attr_pre(
         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);
+    s->configured_sink_latency = pa_sink_input_set_requested_latency(s->sink_input, sink_usec);
 
-    if (early_requests) {
+    if (s->early_requests) {
 
         /* Ok, we didn't necessarily get what we were asking for, so
          * let's tell the user */
 
-        minreq_usec = s->sink_latency;
+        minreq_usec = s->configured_sink_latency;
 
-    } else if (adjust_latency) {
+    } else if (s->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;
+        if (tlength_usec >= s->configured_sink_latency)
+            tlength_usec -= s->configured_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 (tlength_usec < s->configured_sink_latency + 2*minreq_usec)
+        tlength_usec = s->configured_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);
+        s->buffer_attr.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);
+        s->buffer_attr.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 (s->buffer_attr.minreq <= 0) {
+        s->buffer_attr.minreq = (uint32_t) frame_size;
+        s->buffer_attr.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);
+    if (s->buffer_attr.tlength <= s->buffer_attr.minreq)
+        s->buffer_attr.tlength = s->buffer_attr.minreq*2 + (uint32_t) frame_size;
 
-    *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);
+    max_prebuf = s->buffer_attr.tlength + (uint32_t)frame_size - s->buffer_attr.minreq;
 
-    s->minreq = *minreq;
+    if (s->buffer_attr.prebuf == (uint32_t) -1 ||
+        s->buffer_attr.prebuf > max_prebuf)
+        s->buffer_attr.prebuf = max_prebuf;
 }
 
+/* Called from main context */
 static playback_stream* playback_stream_new(
         pa_native_connection *c,
         pa_sink *sink,
         pa_sample_spec *ss,
         pa_channel_map *map,
-        uint32_t *maxlength,
-        uint32_t *tlength,
-        uint32_t *prebuf,
-        uint32_t *minreq,
+        pa_buffer_attr *a,
         pa_cvolume *volume,
         pa_bool_t muted,
         pa_bool_t muted_set,
@@ -960,10 +1004,11 @@ static playback_stream* playback_stream_new(
         pa_sink_input_flags_t flags,
         pa_proplist *p,
         pa_bool_t adjust_latency,
-        pa_bool_t early_requests) {
+        pa_bool_t early_requests,
+        int *ret) {
 
     playback_stream *s, *ssync;
-    pa_sink_input *sink_input;
+    pa_sink_input *sink_input = NULL;
     pa_memchunk silence;
     uint32_t idx;
     int64_t start_index;
@@ -971,12 +1016,9 @@ static playback_stream* playback_stream_new(
 
     pa_assert(c);
     pa_assert(ss);
-    pa_assert(maxlength);
-    pa_assert(tlength);
-    pa_assert(prebuf);
-    pa_assert(minreq);
     pa_assert(missing);
     pa_assert(p);
+    pa_assert(ret);
 
     /* Find syncid group */
     for (ssync = pa_idxset_first(c->output_streams, &idx); ssync; ssync = pa_idxset_next(c->output_streams, &idx)) {
@@ -993,8 +1035,10 @@ static playback_stream* playback_stream_new(
 
         if (!sink)
             sink = ssync->sink_input->sink;
-        else if (sink != ssync->sink_input->sink)
+        else if (sink != ssync->sink_input->sink) {
+            *ret = PA_ERR_INVALID;
             return NULL;
+        }
     }
 
     pa_sink_input_new_data_init(&data);
@@ -1012,7 +1056,7 @@ static playback_stream* playback_stream_new(
         pa_sink_input_new_data_set_muted(&data, muted);
     data.sync_base = ssync ? ssync->sink_input : NULL;
 
-    sink_input = pa_sink_input_new(c->protocol->core, &data, flags);
+    *ret = -pa_sink_input_new(&sink_input, c->protocol->core, &data, flags);
 
     pa_sink_input_new_data_done(&data);
 
@@ -1028,6 +1072,9 @@ static playback_stream* playback_stream_new(
     s->is_underrun = TRUE;
     s->drain_request = FALSE;
     pa_atomic_store(&s->missing, 0);
+    s->buffer_attr = *a;
+    s->adjust_latency = adjust_latency;
+    s->early_requests = early_requests;
 
     s->sink_input->parent.process_msg = sink_input_process_msg;
     s->sink_input->pop = sink_input_pop_cb;
@@ -1035,27 +1082,28 @@ static playback_stream* playback_stream_new(
     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->moving = sink_input_moving_cb;
     s->sink_input->suspend = sink_input_suspend_cb;
+    s->sink_input->send_event = sink_input_send_event_cb;
     s->sink_input->userdata = s;
 
     start_index = ssync ? pa_memblockq_get_read_index(ssync->memblockq) : 0;
 
-    fix_playback_buffer_attr_pre(s, adjust_latency, early_requests, maxlength, tlength, prebuf, minreq);
-    pa_sink_input_get_silence(sink_input, &silence);
+    fix_playback_buffer_attr(s);
 
+    pa_sink_input_get_silence(sink_input, &silence);
     s->memblockq = pa_memblockq_new(
             start_index,
-            *maxlength,
-            *tlength,
+            s->buffer_attr.maxlength,
+            s->buffer_attr.tlength,
             pa_frame_size(&sink_input->sample_spec),
-            *prebuf,
-            *minreq,
+            s->buffer_attr.prebuf,
+            s->buffer_attr.minreq,
             0,
             &silence);
-
     pa_memblock_unref(silence.memblock);
-    fix_playback_buffer_attr_post(s, maxlength, tlength, prebuf, minreq);
+
+    pa_memblockq_get_attr(s->memblockq, &s->buffer_attr);
 
     *missing = (uint32_t) pa_memblockq_pop_missing(s->memblockq);
 
@@ -1065,36 +1113,44 @@ static playback_stream* playback_stream_new(
     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);
+                ((double) pa_bytes_to_usec(s->buffer_attr.tlength, &sink_input->sample_spec) + (double) s->configured_sink_latency) / PA_USEC_PER_MSEC,
+                (double) pa_bytes_to_usec(s->buffer_attr.tlength-s->buffer_attr.minreq*2, &sink_input->sample_spec) / PA_USEC_PER_MSEC,
+                (double) pa_bytes_to_usec(s->buffer_attr.minreq, &sink_input->sample_spec) / PA_USEC_PER_MSEC,
+                (double) s->configured_sink_latency / PA_USEC_PER_MSEC);
 
     pa_sink_input_put(s->sink_input);
     return s;
 }
 
-/* Called from thread context */
+/* Called from IO context */
 static void playback_stream_request_bytes(playback_stream *s) {
-    size_t m, previous_missing;
+    size_t m, minreq;
+    int previous_missing;
 
     playback_stream_assert_ref(s);
 
     m = pa_memblockq_pop_missing(s->memblockq);
 
+    /* pa_log("request_bytes(%lu) (tlength=%lu minreq=%lu length=%lu)", */
+    /*        (unsigned long) m, */
+    /*        pa_memblockq_get_tlength(s->memblockq), */
+    /*        pa_memblockq_get_minreq(s->memblockq), */
+    /*        pa_memblockq_get_length(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);
+    previous_missing = pa_atomic_add(&s->missing, (int) m);
+    minreq = pa_memblockq_get_minreq(s->memblockq);
 
     if (pa_memblockq_prebuf_active(s->memblockq) ||
-        (previous_missing < s->minreq && previous_missing+m >= s->minreq))
+        (previous_missing < (int) minreq && previous_missing + (int) m >= (int) minreq))
         pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL);
 }
 
-
+/* Called from main context */
 static void playback_stream_send_killed(playback_stream *p) {
     pa_tagstruct *t;
     playback_stream_assert_ref(p);
@@ -1106,6 +1162,7 @@ static void playback_stream_send_killed(playback_stream *p) {
     pa_pstream_send_tagstruct(p->connection->pstream, t);
 }
 
+/* Called from main context */
 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);
@@ -1127,6 +1184,7 @@ static int native_connection_process_msg(pa_msgobject *o, int code, void*userdat
     return 0;
 }
 
+/* Called from main context */
 static void native_connection_unlink(pa_native_connection *c) {
     record_stream *r;
     output_stream *o;
@@ -1166,6 +1224,7 @@ static void native_connection_unlink(pa_native_connection *c) {
     pa_native_connection_unref(c);
 }
 
+/* Called from main context */
 static void native_connection_free(pa_object *o) {
     pa_native_connection *c = PA_NATIVE_CONNECTION(o);
 
@@ -1183,6 +1242,7 @@ static void native_connection_free(pa_object *o) {
     pa_xfree(c);
 }
 
+/* Called from main context */
 static void native_connection_send_memblock(pa_native_connection *c) {
     uint32_t start;
     record_stream *r;
@@ -1202,8 +1262,8 @@ static void native_connection_send_memblock(pa_native_connection *c) {
         if (pa_memblockq_peek(r->memblockq,  &chunk) >= 0) {
             pa_memchunk schunk = chunk;
 
-            if (schunk.length > r->fragment_size)
-                schunk.length = r->fragment_size;
+            if (schunk.length > r->buffer_attr.fragsize)
+                schunk.length = r->buffer_attr.fragsize;
 
             pa_pstream_send_memblock(c->pstream, r->index, 0, PA_SEEK_RELATIVE, &schunk);
 
@@ -1217,6 +1277,7 @@ static void native_connection_send_memblock(pa_native_connection *c) {
 
 /*** sink input callbacks ***/
 
+/* Called from thread context */
 static void handle_seek(playback_stream *s, int64_t indexw) {
     playback_stream_assert_ref(s);
 
@@ -1269,7 +1330,12 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
             int64_t windex;
 
             windex = pa_memblockq_get_write_index(s->memblockq);
-            pa_memblockq_seek(s->memblockq, offset, PA_PTR_TO_UINT(userdata));
+
+            /* The client side is incapable of accounting correctly
+             * for seeks of a type != PA_SEEK_RELATIVE. We need to be
+             * able to deal with that. */
+
+            pa_memblockq_seek(s->memblockq, offset, PA_PTR_TO_UINT(userdata), PA_PTR_TO_UINT(userdata) == PA_SEEK_RELATIVE);
 
             handle_seek(s, windex);
             return 0;
@@ -1285,9 +1351,11 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
 /*             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");
+
+                if (pa_log_ratelimit())
+                    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, (int64_t) chunk->length, PA_SEEK_RELATIVE);
+                pa_memblockq_seek(s->memblockq, (int64_t) chunk->length, PA_SEEK_RELATIVE, TRUE);
             }
 
             handle_seek(s, windex);
@@ -1356,10 +1424,14 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
         }
 
         case SINK_INPUT_MESSAGE_UPDATE_LATENCY:
-
+            /* Atomically get a snapshot of all timing parameters... */
             s->read_index = pa_memblockq_get_read_index(s->memblockq);
             s->write_index = pa_memblockq_get_write_index(s->memblockq);
             s->render_memblockq_length = pa_memblockq_get_length(s->sink_input->thread_info.render_memblockq);
+            s->current_sink_latency = pa_sink_get_latency_within_thread(s->sink_input->sink);
+            s->underrun_for = s->sink_input->thread_info.underrun_for;
+            s->playing_for = s->sink_input->thread_info.playing_for;
+
             return 0;
 
         case PA_SINK_INPUT_MESSAGE_SET_STATE: {
@@ -1384,6 +1456,12 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
              * latency added by the resampler */
             break;
         }
+
+        case SINK_INPUT_MESSAGE_UPDATE_BUFFER_ATTR: {
+            pa_memblockq_apply_attr(s->memblockq, &s->buffer_attr);
+            pa_memblockq_get_attr(s->memblockq, &s->buffer_attr);
+            return 0;
+        }
     }
 
     return pa_sink_input_process_msg(o, code, userdata, offset, chunk);
@@ -1403,7 +1481,8 @@ static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk
     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->is_underrun)
+            pa_log_debug("Underrun on '%s', %lu bytes in queue.", pa_strnull(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;
@@ -1432,6 +1511,7 @@ static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk
     return 0;
 }
 
+/* Called from thread context */
 static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
     playback_stream *s;
 
@@ -1446,6 +1526,7 @@ static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
     pa_memblockq_rewind(s->memblockq, nbytes);
 }
 
+/* Called from thread context */
 static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) {
     playback_stream *s;
 
@@ -1456,18 +1537,30 @@ static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) {
     pa_memblockq_set_maxrewind(s->memblockq, nbytes);
 }
 
+/* Called from thread context */
 static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes) {
     playback_stream *s;
-    size_t tlength;
+    size_t new_tlength, old_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);
+    old_tlength = pa_memblockq_get_tlength(s->memblockq);
+    new_tlength = nbytes+2*pa_memblockq_get_minreq(s->memblockq);
+
+    if (old_tlength < new_tlength) {
+        pa_log_debug("max_request changed, trying to update from %zu to %zu.", old_tlength, new_tlength);
+        pa_memblockq_set_tlength(s->memblockq, new_tlength);
+        new_tlength = pa_memblockq_get_tlength(s->memblockq);
 
-    if (pa_memblockq_get_tlength(s->memblockq) < tlength)
-        pa_memblockq_set_tlength(s->memblockq, tlength);
+        if (new_tlength == old_tlength)
+            pa_log_debug("Failed to increase tlength");
+        else {
+            pa_log_debug("Notifying client about increased tlength");
+            pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_UPDATE_TLENGTH, NULL, pa_memblockq_get_tlength(s->memblockq), NULL, NULL);
+        }
+    }
 }
 
 /* Called from main context */
@@ -1482,6 +1575,27 @@ static void sink_input_kill_cb(pa_sink_input *i) {
     playback_stream_unlink(s);
 }
 
+/* Called from main context */
+static void sink_input_send_event_cb(pa_sink_input *i, const char *event, pa_proplist *pl) {
+    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 < 15)
+      return;
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_STREAM_EVENT);
+    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+    pa_tagstruct_putu32(t, s->index);
+    pa_tagstruct_puts(t, event);
+    pa_tagstruct_put_proplist(t, pl);
+    pa_pstream_send_tagstruct(s->connection->pstream, t);
+}
+
 /* Called from main context */
 static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend) {
     playback_stream *s;
@@ -1503,26 +1617,20 @@ static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend) {
 }
 
 /* Called from main context */
-static void sink_input_moved_cb(pa_sink_input *i) {
+static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest) {
     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);
+    if (!dest)
+        return;
 
-    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);
+    fix_playback_buffer_attr(s);
+    pa_memblockq_apply_attr(s->memblockq, &s->buffer_attr);
+    pa_memblockq_get_attr(s->memblockq, &s->buffer_attr);
 
     if (s->connection->version < 12)
       return;
@@ -1531,16 +1639,16 @@ static void sink_input_moved_cb(pa_sink_input *i) {
     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);
+    pa_tagstruct_putu32(t, dest->index);
+    pa_tagstruct_puts(t, dest->name);
+    pa_tagstruct_put_boolean(t, pa_sink_get_state(dest) == 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_tagstruct_putu32(t, s->buffer_attr.maxlength);
+        pa_tagstruct_putu32(t, s->buffer_attr.tlength);
+        pa_tagstruct_putu32(t, s->buffer_attr.prebuf);
+        pa_tagstruct_putu32(t, s->buffer_attr.minreq);
+        pa_tagstruct_put_usec(t, s->configured_sink_latency);
     }
 
     pa_pstream_send_tagstruct(s->connection->pstream, t);
@@ -1548,6 +1656,27 @@ static void sink_input_moved_cb(pa_sink_input *i) {
 
 /*** source_output callbacks ***/
 
+/* Called from thread context */
+static int source_output_process_msg(pa_msgobject *_o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
+    pa_source_output *o = PA_SOURCE_OUTPUT(_o);
+    record_stream *s;
+
+    pa_source_output_assert_ref(o);
+    s = RECORD_STREAM(o->userdata);
+    record_stream_assert_ref(s);
+
+    switch (code) {
+        case SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY:
+            /* Atomically get a snapshot of all timing parameters... */
+            s->current_monitor_latency = o->source->monitor_of ? pa_sink_get_latency_within_thread(o->source->monitor_of) : 0;
+            s->current_source_latency = pa_source_get_latency_within_thread(o->source);
+            s->on_the_fly_snapshot = pa_atomic_load(&s->on_the_fly);
+            return 0;
+    }
+
+    return pa_source_output_process_msg(_o, code, userdata, offset, chunk);
+}
+
 /* Called from thread context */
 static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) {
     record_stream *s;
@@ -1557,6 +1686,7 @@ static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk)
     record_stream_assert_ref(s);
     pa_assert(chunk);
 
+    pa_atomic_add(&s->on_the_fly, chunk->length);
     pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), RECORD_STREAM_MESSAGE_POST_DATA, NULL, 0, chunk, NULL);
 }
 
@@ -1583,6 +1713,27 @@ 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_send_event_cb(pa_source_output *o, const char *event, pa_proplist *pl) {
+    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 < 15)
+      return;
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_RECORD_STREAM_EVENT);
+    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+    pa_tagstruct_putu32(t, s->index);
+    pa_tagstruct_puts(t, event);
+    pa_tagstruct_put_proplist(t, pl);
+    pa_pstream_send_tagstruct(s->connection->pstream, t);
+}
+
 /* Called from main context */
 static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend) {
     record_stream *s;
@@ -1604,21 +1755,21 @@ static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend) {
 }
 
 /* Called from main context */
-static void source_output_moved_cb(pa_source_output *o) {
+static void source_output_moving_cb(pa_source_output *o, pa_source *dest) {
     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);
+    if (!dest)
+        return;
 
-    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);
+    fix_record_buffer_attr_pre(s);
+    pa_memblockq_set_maxlength(s->memblockq, s->buffer_attr.maxlength);
+    pa_memblockq_get_attr(s->memblockq, &s->buffer_attr);
+    fix_record_buffer_attr_post(s);
 
     if (s->connection->version < 12)
       return;
@@ -1627,14 +1778,14 @@ static void source_output_moved_cb(pa_source_output *o) {
     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);
+    pa_tagstruct_putu32(t, dest->index);
+    pa_tagstruct_puts(t, dest->name);
+    pa_tagstruct_put_boolean(t, pa_source_get_state(dest) == 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_tagstruct_putu32(t, s->buffer_attr.maxlength);
+        pa_tagstruct_putu32(t, s->buffer_attr.fragsize);
+        pa_tagstruct_put_usec(t, s->configured_source_latency);
     }
 
     pa_pstream_send_tagstruct(s->connection->pstream, t);
@@ -1666,7 +1817,8 @@ static pa_tagstruct *reply_new(uint32_t tag) {
 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;
+    uint32_t sink_index, syncid, missing;
+    pa_buffer_attr attr;
     const char *name = NULL, *sink_name;
     pa_sample_spec ss;
     pa_channel_map map;
@@ -1686,14 +1838,16 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u
         adjust_latency = FALSE,
         early_requests = FALSE,
         dont_inhibit_auto_suspend = FALSE,
-        muted_set = FALSE;
-
+        muted_set = FALSE,
+        fail_on_suspend = FALSE;
     pa_sink_input_flags_t flags = 0;
     pa_proplist *p;
     pa_bool_t volume_set = TRUE;
+    int ret = PA_ERR_INVALID;
 
     pa_native_connection_assert_ref(c);
     pa_assert(t);
+    memset(&attr, 0, sizeof(attr));
 
     if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) ||
         pa_tagstruct_get(
@@ -1702,11 +1856,11 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u
                 PA_TAG_CHANNEL_MAP, &map,
                 PA_TAG_U32, &sink_index,
                 PA_TAG_STRING, &sink_name,
-                PA_TAG_U32, &maxlength,
+                PA_TAG_U32, &attr.maxlength,
                 PA_TAG_BOOLEAN, &corked,
-                PA_TAG_U32, &tlength,
-                PA_TAG_U32, &prebuf,
-                PA_TAG_U32, &minreq,
+                PA_TAG_U32, &attr.tlength,
+                PA_TAG_U32, &attr.prebuf,
+                PA_TAG_U32, &attr.minreq,
                 PA_TAG_U32, &syncid,
                 PA_TAG_CVOLUME, &volume,
                 PA_TAG_INVALID) < 0) {
@@ -1770,7 +1924,8 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u
     if (c->version >= 15) {
 
         if (pa_tagstruct_get_boolean(t, &muted_set) < 0 ||
-            pa_tagstruct_get_boolean(t, &dont_inhibit_auto_suspend) < 0) {
+            pa_tagstruct_get_boolean(t, &dont_inhibit_auto_suspend) < 0 ||
+            pa_tagstruct_get_boolean(t, &fail_on_suspend) < 0) {
             protocol_error(c);
             pa_proplist_free(p);
             return;
@@ -1809,16 +1964,17 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u
         (fix_channels ?  PA_SINK_INPUT_FIX_CHANNELS : 0) |
         (no_move ?  PA_SINK_INPUT_DONT_MOVE : 0) |
         (variable_rate ?  PA_SINK_INPUT_VARIABLE_RATE : 0) |
-        (dont_inhibit_auto_suspend ? PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND : 0);
+        (dont_inhibit_auto_suspend ? PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND : 0) |
+        (fail_on_suspend ? PA_SINK_INPUT_NO_CREATE_ON_SUSPEND|PA_SINK_INPUT_KILL_ON_SUSPEND : 0);
 
     /* Only since protocol version 15 there's a seperate muted_set
      * flag. For older versions we synthesize it here */
     muted_set = muted_set || muted;
 
-    s = playback_stream_new(c, sink, &ss, &map, &maxlength, &tlength, &prebuf, &minreq, volume_set ? &volume : NULL, muted, muted_set, syncid, &missing, flags, p, adjust_latency, early_requests);
+    s = playback_stream_new(c, sink, &ss, &map, &attr, volume_set ? &volume : NULL, muted, muted_set, syncid, &missing, flags, p, adjust_latency, early_requests, &ret);
     pa_proplist_free(p);
 
-    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, s, tag, ret);
 
     reply = reply_new(tag);
     pa_tagstruct_putu32(reply, s->index);
@@ -1831,10 +1987,10 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u
     if (c->version >= 9) {
         /* 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);
-        pa_tagstruct_putu32(reply, (uint32_t) prebuf);
-        pa_tagstruct_putu32(reply, (uint32_t) minreq);
+        pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.maxlength);
+        pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.tlength);
+        pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.prebuf);
+        pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.minreq);
     }
 
     if (c->version >= 12) {
@@ -1852,7 +2008,7 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u
     }
 
     if (c->version >= 13)
-        pa_tagstruct_put_usec(reply, s->sink_latency);
+        pa_tagstruct_put_usec(reply, s->configured_sink_latency);
 
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
@@ -1918,7 +2074,7 @@ static void command_delete_stream(pa_pdispatch *pd, uint32_t command, uint32_t t
 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;
+    pa_buffer_attr attr;
     uint32_t source_index;
     const char *name = NULL, *source_name;
     pa_sample_spec ss;
@@ -1937,23 +2093,27 @@ static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uin
         adjust_latency = FALSE,
         peak_detect = FALSE,
         early_requests = FALSE,
-        dont_inhibit_auto_suspend = FALSE;
+        dont_inhibit_auto_suspend = FALSE,
+        fail_on_suspend = 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;
+    int ret = PA_ERR_INVALID;
 
     pa_native_connection_assert_ref(c);
     pa_assert(t);
 
+    memset(&attr, 0, sizeof(attr));
+
     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_getu32(t, &attr.maxlength) < 0 ||
         pa_tagstruct_get_boolean(t, &corked) < 0 ||
-        pa_tagstruct_getu32(t, &fragment_size) < 0) {
+        pa_tagstruct_getu32(t, &attr.fragsize) < 0) {
         protocol_error(c);
         return;
     }
@@ -2011,7 +2171,8 @@ static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uin
 
     if (c->version >= 15) {
 
-        if (pa_tagstruct_get_boolean(t, &dont_inhibit_auto_suspend) < 0) {
+        if (pa_tagstruct_get_boolean(t, &dont_inhibit_auto_suspend) < 0 ||
+            pa_tagstruct_get_boolean(t, &fail_on_suspend) < 0) {
             protocol_error(c);
             pa_proplist_free(p);
             return;
@@ -2059,12 +2220,13 @@ static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uin
         (fix_channels ?  PA_SOURCE_OUTPUT_FIX_CHANNELS : 0) |
         (no_move ?  PA_SOURCE_OUTPUT_DONT_MOVE : 0) |
         (variable_rate ?  PA_SOURCE_OUTPUT_VARIABLE_RATE : 0) |
-        (dont_inhibit_auto_suspend ? PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND : 0);
+        (dont_inhibit_auto_suspend ? PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND : 0) |
+        (fail_on_suspend ? PA_SOURCE_OUTPUT_NO_CREATE_ON_SUSPEND|PA_SOURCE_OUTPUT_KILL_ON_SUSPEND : 0);
 
-    s = record_stream_new(c, source, &ss, &map, peak_detect, &maxlength, &fragment_size, flags, p, adjust_latency, direct_on_input, early_requests);
+    s = record_stream_new(c, source, &ss, &map, peak_detect, &attr, flags, p, adjust_latency, direct_on_input, early_requests, &ret);
     pa_proplist_free(p);
 
-    CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID);
+    CHECK_VALIDITY(c->pstream, s, tag, ret);
 
     reply = reply_new(tag);
     pa_tagstruct_putu32(reply, s->index);
@@ -2074,8 +2236,8 @@ static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uin
     if (c->version >= 9) {
         /* 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) fragment_size);
+        pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.maxlength);
+        pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.fragsize);
     }
 
     if (c->version >= 12) {
@@ -2093,7 +2255,7 @@ static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uin
     }
 
     if (c->version >= 13)
-        pa_tagstruct_put_usec(reply, s->source_latency);
+        pa_tagstruct_put_usec(reply, s->configured_source_latency);
 
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
@@ -2277,11 +2439,9 @@ static void command_set_client_name(pa_pdispatch *pd, uint32_t command, uint32_t
             return;
         }
 
-    pa_proplist_update(c->client->proplist, PA_UPDATE_REPLACE, p);
+    pa_client_update_proplist(c->client, 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)
@@ -2382,7 +2542,6 @@ static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uin
     playback_stream *s;
     struct timeval tv, now;
     uint32_t idx;
-    pa_usec_t latency;
 
     pa_native_connection_assert_ref(c);
     pa_assert(t);
@@ -2398,25 +2557,27 @@ static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uin
     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);
-    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->render_memblockq_length, &s->sink_input->sample_spec);
-
-    pa_tagstruct_put_usec(reply, latency);
+    /* Get an atomic snapshot of all timing parameters */
+    pa_assert_se(pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_UPDATE_LATENCY, s, 0, NULL) == 0);
 
+    reply = reply_new(tag);
+    pa_tagstruct_put_usec(reply,
+                          s->current_sink_latency +
+                          pa_bytes_to_usec(s->render_memblockq_length, &s->sink_input->sink->sample_spec));
     pa_tagstruct_put_usec(reply, 0);
-    pa_tagstruct_put_boolean(reply, s->sink_input->thread_info.playing_for > 0);
+    pa_tagstruct_put_boolean(reply,
+                             s->playing_for > 0 &&
+                             pa_sink_get_state(s->sink_input->sink) == PA_SINK_RUNNING &&
+                             pa_sink_input_get_state(s->sink_input) == PA_SINK_INPUT_RUNNING);
     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_tagstruct_putu64(reply, s->underrun_for);
+        pa_tagstruct_putu64(reply, s->playing_for);
     }
 
     pa_pstream_send_tagstruct(c->pstream, reply);
@@ -2443,10 +2604,17 @@ static void command_get_record_latency(pa_pdispatch *pd, uint32_t command, uint3
     s = pa_idxset_get_by_index(c->record_streams, idx);
     CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY);
 
+    /* Get an atomic snapshot of all timing parameters */
+    pa_assert_se(pa_asyncmsgq_send(s->source_output->source->asyncmsgq, PA_MSGOBJECT(s->source_output), SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY, s, 0, NULL) == 0);
+
     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, pa_source_get_state(s->source_output->source) == PA_SOURCE_RUNNING);
+    pa_tagstruct_put_usec(reply, s->current_monitor_latency);
+    pa_tagstruct_put_usec(reply,
+                          s->current_source_latency +
+                          pa_bytes_to_usec(s->on_the_fly_snapshot, &s->source_output->sample_spec));
+    pa_tagstruct_put_boolean(reply,
+                             pa_source_get_state(s->source_output->source) == PA_SOURCE_RUNNING &&
+                             pa_source_output_get_state(s->source_output) == PA_SOURCE_OUTPUT_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));
@@ -2484,7 +2652,9 @@ static void command_create_upload_stream(pa_pdispatch *pd, uint32_t command, uin
 
     p = pa_proplist_new();
 
-    if (c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) {
+    if ((c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) ||
+        !pa_tagstruct_eof(t)) {
+
         protocol_error(c);
         pa_proplist_free(p);
         return;
@@ -2496,7 +2666,10 @@ static void command_create_upload_stream(pa_pdispatch *pd, uint32_t command, uin
         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);
+    if (!name || !pa_namereg_is_valid_name(name)) {
+        pa_proplist_free(p);
+        CHECK_VALIDITY(c->pstream, FALSE, tag, PA_ERR_INVALID);
+    }
 
     s = upload_stream_new(c, &ss, &map, name, length, p);
     pa_proplist_free(p);
@@ -2530,7 +2703,9 @@ static void command_finish_upload_stream(pa_pdispatch *pd, uint32_t command, uin
     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, s->proplist, &idx) < 0)
+    if (!s->memchunk.memblock)
+        pa_pstream_send_error(c->pstream, tag, PA_ERR_TOOLARGE);
+    else 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);
@@ -2640,6 +2815,13 @@ static void fixup_sample_spec(pa_native_connection *c, pa_sample_spec *fixed, co
         if (fixed->format == PA_SAMPLE_S32BE)
             fixed->format = PA_SAMPLE_FLOAT32BE;
     }
+
+    if (c->version < 15) {
+        if (fixed->format == PA_SAMPLE_S24LE || fixed->format == PA_SAMPLE_S24_32LE)
+            fixed->format = PA_SAMPLE_FLOAT32LE;
+        if (fixed->format == PA_SAMPLE_S24BE || fixed->format == PA_SAMPLE_S24_32BE)
+            fixed->format = PA_SAMPLE_FLOAT32BE;
+    }
 }
 
 static void sink_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sink *sink) {
@@ -2672,8 +2854,31 @@ static void sink_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sin
         pa_tagstruct_put_usec(t, pa_sink_get_requested_latency(sink));
     }
 
-    if (c->version >= 15)
+    if (c->version >= 15) {
         pa_tagstruct_put_volume(t, sink->base_volume);
+        if (PA_UNLIKELY(pa_sink_get_state(sink) == PA_SINK_INVALID_STATE))
+            pa_log_error("Internal sink state is invalid.");
+        pa_tagstruct_putu32(t, pa_sink_get_state(sink));
+        pa_tagstruct_putu32(t, sink->n_volume_steps);
+        pa_tagstruct_putu32(t, sink->card ? sink->card->index : PA_INVALID_INDEX);
+    }
+
+    if (c->version >= 16) {
+        pa_tagstruct_putu32(t, sink->ports ? pa_hashmap_size(sink->ports) : 0);
+
+        if (sink->ports) {
+            void *state;
+            pa_device_port *p;
+
+            PA_HASHMAP_FOREACH(p, sink->ports, state) {
+                pa_tagstruct_puts(t, p->name);
+                pa_tagstruct_puts(t, p->description);
+                pa_tagstruct_putu32(t, p->priority);
+            }
+        }
+
+        pa_tagstruct_puts(t, sink->active_port ? sink->active_port->name : NULL);
+    }
 }
 
 static void source_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_source *source) {
@@ -2706,8 +2911,32 @@ static void source_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_s
         pa_tagstruct_put_usec(t, pa_source_get_requested_latency(source));
     }
 
-    if (c->version >= 15)
+    if (c->version >= 15) {
         pa_tagstruct_put_volume(t, source->base_volume);
+        if (PA_UNLIKELY(pa_source_get_state(source) == PA_SOURCE_INVALID_STATE))
+            pa_log_error("Internal source state is invalid.");
+        pa_tagstruct_putu32(t, pa_source_get_state(source));
+        pa_tagstruct_putu32(t, source->n_volume_steps);
+        pa_tagstruct_putu32(t, source->card ? source->card->index : PA_INVALID_INDEX);
+    }
+
+    if (c->version >= 16) {
+
+        pa_tagstruct_putu32(t, source->ports ? pa_hashmap_size(source->ports) : 0);
+
+        if (source->ports) {
+            void *state;
+            pa_device_port *p;
+
+            PA_HASHMAP_FOREACH(p, source->ports, state) {
+                pa_tagstruct_puts(t, p->name);
+                pa_tagstruct_puts(t, p->description);
+                pa_tagstruct_putu32(t, p->priority);
+            }
+        }
+
+        pa_tagstruct_puts(t, source->active_port ? source->active_port->name : NULL);
+    }
 }
 
 static void client_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_client *client) {
@@ -2721,23 +2950,56 @@ static void client_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_c
 
     if (c->version >= 13)
         pa_tagstruct_put_proplist(t, client->proplist);
+}
 
+static void card_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_card *card) {
+    void *state = NULL;
+    pa_card_profile *p;
+
+    pa_assert(t);
+    pa_assert(card);
+
+    pa_tagstruct_putu32(t, card->index);
+    pa_tagstruct_puts(t, card->name);
+    pa_tagstruct_putu32(t, card->module ? card->module->index : PA_INVALID_INDEX);
+    pa_tagstruct_puts(t, card->driver);
+
+    pa_tagstruct_putu32(t, card->profiles ? pa_hashmap_size(card->profiles) : 0);
+
+    if (card->profiles) {
+        while ((p = pa_hashmap_iterate(card->profiles, &state, NULL))) {
+            pa_tagstruct_puts(t, p->name);
+            pa_tagstruct_puts(t, p->description);
+            pa_tagstruct_putu32(t, p->n_sinks);
+            pa_tagstruct_putu32(t, p->n_sources);
+            pa_tagstruct_putu32(t, p->priority);
+        }
+    }
+
+    pa_tagstruct_puts(t, card->active_profile ? card->active_profile->name : NULL);
+    pa_tagstruct_put_proplist(t, card->proplist);
 }
 
-static void module_fill_tagstruct(pa_tagstruct *t, pa_module *module) {
+static void module_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_module *module) {
     pa_assert(t);
     pa_assert(module);
 
     pa_tagstruct_putu32(t, module->index);
     pa_tagstruct_puts(t, module->name);
     pa_tagstruct_puts(t, module->argument);
-    pa_tagstruct_putu32(t, (uint32_t) module->n_used);
-    pa_tagstruct_put_boolean(t, FALSE);
+    pa_tagstruct_putu32(t, (uint32_t) pa_module_get_n_used(module));
+
+    if (c->version < 15)
+        pa_tagstruct_put_boolean(t, FALSE); /* autoload is obsolete */
+
+    if (c->version >= 15)
+        pa_tagstruct_put_proplist(t, module->proplist);
 }
 
 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_cvolume v;
 
     pa_assert(t);
     pa_sink_input_assert_ref(s);
@@ -2751,7 +3013,7 @@ static void sink_input_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t,
     pa_tagstruct_putu32(t, s->sink->index);
     pa_tagstruct_put_sample_spec(t, &fixed_ss);
     pa_tagstruct_put_channel_map(t, &s->channel_map);
-    pa_tagstruct_put_cvolume(t, pa_sink_input_get_volume(s));
+    pa_tagstruct_put_cvolume(t, pa_sink_input_get_volume(s, &v, TRUE));
     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)));
@@ -2789,6 +3051,7 @@ static void source_output_fill_tagstruct(pa_native_connection *c, pa_tagstruct *
 
 static void scache_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_scache_entry *e) {
     pa_sample_spec fixed_ss;
+    pa_cvolume v;
 
     pa_assert(t);
     pa_assert(e);
@@ -2800,7 +3063,13 @@ static void scache_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_s
 
     pa_tagstruct_putu32(t, e->index);
     pa_tagstruct_puts(t, e->name);
-    pa_tagstruct_put_cvolume(t, &e->volume);
+
+    if (e->volume_is_set)
+        v = e->volume;
+    else
+        pa_cvolume_init(&v);
+
+    pa_tagstruct_put_cvolume(t, &v);
     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);
@@ -2818,6 +3087,7 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p
     pa_sink *sink = NULL;
     pa_source *source = NULL;
     pa_client *client = NULL;
+    pa_card *card = NULL;
     pa_module *module = NULL;
     pa_sink_input *si = NULL;
     pa_source_output *so = NULL;
@@ -2855,6 +3125,11 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p
             source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
         else
             source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE);
+    } else if (command == PA_COMMAND_GET_CARD_INFO) {
+        if (idx != PA_INVALID_INDEX)
+            card = pa_idxset_get_by_index(c->protocol->core->cards, idx);
+        else
+            card = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_CARD);
     } else if (command == PA_COMMAND_GET_CLIENT_INFO)
         client = pa_idxset_get_by_index(c->protocol->core->clients, idx);
     else if (command == PA_COMMAND_GET_MODULE_INFO)
@@ -2871,7 +3146,7 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p
             sce = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SAMPLE);
     }
 
-    if (!sink && !source && !client && !module && !si && !so && !sce) {
+    if (!sink && !source && !client && !card && !module && !si && !so && !sce) {
         pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
         return;
     }
@@ -2883,8 +3158,10 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p
         source_fill_tagstruct(c, reply, source);
     else if (client)
         client_fill_tagstruct(c, reply, client);
+    else if (card)
+        card_fill_tagstruct(c, reply, card);
     else if (module)
-        module_fill_tagstruct(reply, module);
+        module_fill_tagstruct(c, reply, module);
     else if (si)
         sink_input_fill_tagstruct(c, reply, si);
     else if (so)
@@ -2919,6 +3196,8 @@ static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t t
         i = c->protocol->core->sources;
     else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST)
         i = c->protocol->core->clients;
+    else if (command == PA_COMMAND_GET_CARD_INFO_LIST)
+        i = c->protocol->core->cards;
     else if (command == PA_COMMAND_GET_MODULE_INFO_LIST)
         i = c->protocol->core->modules;
     else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST)
@@ -2938,8 +3217,10 @@ static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t t
                 source_fill_tagstruct(c, reply, p);
             else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST)
                 client_fill_tagstruct(c, reply, p);
+            else if (command == PA_COMMAND_GET_CARD_INFO_LIST)
+                card_fill_tagstruct(c, reply, p);
             else if (command == PA_COMMAND_GET_MODULE_INFO_LIST)
-                module_fill_tagstruct(reply, p);
+                module_fill_tagstruct(c, 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)
@@ -2957,9 +3238,10 @@ static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t t
 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_sink *def_sink;
+    pa_source *def_source;
     pa_sample_spec fixed_ss;
+    char *h, *u;
 
     pa_native_connection_assert_ref(c);
     pa_assert(t);
@@ -2974,19 +3256,28 @@ static void command_get_server_info(pa_pdispatch *pd, uint32_t command, uint32_t
     reply = reply_new(tag);
     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_host_name(txt, sizeof(txt)));
+
+    u = pa_get_user_name_malloc();
+    pa_tagstruct_puts(reply, u);
+    pa_xfree(u);
+
+    h = pa_get_host_name_malloc();
+    pa_tagstruct_puts(reply, h);
+    pa_xfree(h);
 
     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);
-    n = pa_namereg_get_default_source_name(c->protocol->core);
-    pa_tagstruct_puts(reply, n);
+    def_sink = pa_namereg_get_default_sink(c->protocol->core);
+    pa_tagstruct_puts(reply, def_sink ? def_sink->name : NULL);
+    def_source = pa_namereg_get_default_source(c->protocol->core);
+    pa_tagstruct_puts(reply, def_source ? def_source->name : NULL);
 
     pa_tagstruct_putu32(reply, c->protocol->core->cookie);
 
+    if (c->version >= 15)
+        pa_tagstruct_put_channel_map(reply, &c->protocol->core->default_channel_map);
+
     pa_pstream_send_tagstruct(c->pstream, reply);
 }
 
@@ -3046,6 +3337,7 @@ static void command_set_volume(
     pa_source *source = NULL;
     pa_sink_input *si = NULL;
     const char *name = NULL;
+    const char *client_name;
 
     pa_native_connection_assert_ref(c);
     pa_assert(t);
@@ -3092,12 +3384,20 @@ static void command_set_volume(
 
     CHECK_VALIDITY(c->pstream, si || sink || source, tag, PA_ERR_NOENTITY);
 
-    if (sink)
-        pa_sink_set_volume(sink, &volume);
-    else if (source)
-        pa_source_set_volume(source, &volume);
-    else if (si)
-        pa_sink_input_set_volume(si, &volume);
+    client_name = pa_strnull(pa_proplist_gets(c->client->proplist, PA_PROP_APPLICATION_PROCESS_BINARY));
+
+    if (sink) {
+        pa_log_debug("Client %s changes volume of sink %s.", client_name, sink->name);
+        pa_sink_set_volume(sink, &volume, TRUE, TRUE);
+    } else if (source) {
+        pa_log_debug("Client %s changes volume of sink %s.", client_name, source->name);
+        pa_source_set_volume(source, &volume, TRUE);
+    } else if (si) {
+        pa_log_debug("Client %s changes volume of sink %s.",
+                     client_name,
+                     pa_strnull(pa_proplist_gets(si->proplist, PA_PROP_MEDIA_NAME)));
+        pa_sink_input_set_volume(si, &volume, TRUE, TRUE);
+    }
 
     pa_pstream_send_simple_ack(c->pstream, tag);
 }
@@ -3165,11 +3465,11 @@ static void command_set_mute(
     CHECK_VALIDITY(c->pstream, si || sink || source, tag, PA_ERR_NOENTITY);
 
     if (sink)
-        pa_sink_set_mute(sink, mute);
+        pa_sink_set_mute(sink, mute, TRUE);
     else if (source)
-        pa_source_set_mute(source, mute);
+        pa_source_set_mute(source, mute, TRUE);
     else if (si)
-        pa_sink_input_set_mute(si, mute);
+        pa_sink_input_set_mute(si, mute, TRUE);
 
     pa_pstream_send_simple_ack(c->pstream, tag);
 }
@@ -3294,12 +3594,14 @@ static void command_flush_record_stream(pa_pdispatch *pd, uint32_t command, uint
 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_buffer_attr a;
     pa_tagstruct *reply;
 
     pa_native_connection_assert_ref(c);
     pa_assert(t);
 
+    memset(&a, 0, sizeof(a));
+
     if (pa_tagstruct_getu32(t, &idx) < 0) {
         protocol_error(c);
         return;
@@ -3317,10 +3619,10 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u
 
         if (pa_tagstruct_get(
                     t,
-                    PA_TAG_U32, &maxlength,
-                    PA_TAG_U32, &tlength,
-                    PA_TAG_U32, &prebuf,
-                    PA_TAG_U32, &minreq,
+                    PA_TAG_U32, &a.maxlength,
+                    PA_TAG_U32, &a.tlength,
+                    PA_TAG_U32, &a.prebuf,
+                    PA_TAG_U32, &a.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) ||
@@ -3329,21 +3631,21 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u
             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);
+        s->adjust_latency = adjust_latency;
+        s->early_requests = early_requests;
+        s->buffer_attr = a;
+
+        fix_playback_buffer_attr(s);
+        pa_assert_se(pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_UPDATE_BUFFER_ATTR, NULL, 0, NULL) == 0);
 
         reply = reply_new(tag);
-        pa_tagstruct_putu32(reply, maxlength);
-        pa_tagstruct_putu32(reply, tlength);
-        pa_tagstruct_putu32(reply, prebuf);
-        pa_tagstruct_putu32(reply, minreq);
+        pa_tagstruct_putu32(reply, s->buffer_attr.maxlength);
+        pa_tagstruct_putu32(reply, s->buffer_attr.tlength);
+        pa_tagstruct_putu32(reply, s->buffer_attr.prebuf);
+        pa_tagstruct_putu32(reply, s->buffer_attr.minreq);
 
         if (c->version >= 13)
-            pa_tagstruct_put_usec(reply, s->sink_latency);
+            pa_tagstruct_put_usec(reply, s->configured_sink_latency);
 
     } else {
         record_stream *s;
@@ -3355,8 +3657,8 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u
 
         if (pa_tagstruct_get(
                     t,
-                    PA_TAG_U32, &maxlength,
-                    PA_TAG_U32, &fragsize,
+                    PA_TAG_U32, &a.maxlength,
+                    PA_TAG_U32, &a.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) ||
@@ -3365,16 +3667,21 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u
             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);
+        s->adjust_latency = adjust_latency;
+        s->early_requests = early_requests;
+        s->buffer_attr = a;
+
+        fix_record_buffer_attr_pre(s);
+        pa_memblockq_set_maxlength(s->memblockq, s->buffer_attr.maxlength);
+        pa_memblockq_get_attr(s->memblockq, &s->buffer_attr);
+        fix_record_buffer_attr_post(s);
 
         reply = reply_new(tag);
-        pa_tagstruct_putu32(reply, maxlength);
-        pa_tagstruct_putu32(reply, fragsize);
+        pa_tagstruct_putu32(reply, s->buffer_attr.maxlength);
+        pa_tagstruct_putu32(reply, s->buffer_attr.fragsize);
 
         if (c->version >= 13)
-            pa_tagstruct_put_usec(reply, s->source_latency);
+            pa_tagstruct_put_usec(reply, s->configured_source_latency);
     }
 
     pa_pstream_send_tagstruct(c->pstream, reply);
@@ -3455,34 +3762,38 @@ static void command_update_proplist(pa_pdispatch *pd, uint32_t command, uint32_t
         }
     }
 
-    CHECK_VALIDITY(c->pstream, mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE, tag, PA_ERR_INVALID);
+    if (!(mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE)) {
+        pa_proplist_free(p);
+        CHECK_VALIDITY(c->pstream, FALSE, 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);
+        if (!s || !playback_stream_isinstance(s)) {
+            pa_proplist_free(p);
+            CHECK_VALIDITY(c->pstream, FALSE, tag, PA_ERR_NOENTITY);
+        }
+        pa_sink_input_update_proplist(s->sink_input, mode, p);
 
     } 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);
+        if (!(s = pa_idxset_get_by_index(c->record_streams, idx))) {
+            pa_proplist_free(p);
+            CHECK_VALIDITY(c->pstream, FALSE, tag, PA_ERR_NOENTITY);
+        }
+        pa_source_output_update_proplist(s->source_output, mode, p);
 
-        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_client_update_proplist(c->client, mode, p);
     }
 
     pa_pstream_send_simple_ack(c->pstream, tag);
+    pa_proplist_free(p);
 }
 
 static void command_remove_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
@@ -3598,7 +3909,23 @@ static void command_set_default_sink_or_source(pa_pdispatch *pd, uint32_t comman
     CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
     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);
+    if (command == PA_COMMAND_SET_DEFAULT_SOURCE) {
+        pa_source *source;
+
+        source = pa_namereg_get(c->protocol->core, s, PA_NAMEREG_SOURCE);
+        CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
+
+        pa_namereg_set_default_source(c->protocol->core, source);
+    } else {
+        pa_sink *sink;
+        pa_assert(command == PA_COMMAND_SET_DEFAULT_SINK);
+
+        sink = pa_namereg_get(c->protocol->core, s, PA_NAMEREG_SINK);
+        CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
+
+        pa_namereg_set_default_sink(c->protocol->core, sink);
+    }
+
     pa_pstream_send_simple_ack(c->pstream, tag);
 }
 
@@ -3779,7 +4106,7 @@ static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag
 
         CHECK_VALIDITY(c->pstream, si && sink, tag, PA_ERR_NOENTITY);
 
-        if (pa_sink_input_move_to(si, sink) < 0) {
+        if (pa_sink_input_move_to(si, sink, TRUE) < 0) {
             pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
             return;
         }
@@ -3798,7 +4125,7 @@ static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag
 
         CHECK_VALIDITY(c->pstream, so && source, tag, PA_ERR_NOENTITY);
 
-        if (pa_source_output_move_to(so, source) < 0) {
+        if (pa_source_output_move_to(so, source, TRUE) < 0) {
             pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
             return;
         }
@@ -3836,7 +4163,7 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa
 
             pa_log_debug("%s all sinks", b ? "Suspending" : "Resuming");
 
-            if (pa_sink_suspend_all(c->protocol->core, b) < 0) {
+            if (pa_sink_suspend_all(c->protocol->core, b, PA_SUSPEND_USER) < 0) {
                 pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
                 return;
             }
@@ -3850,7 +4177,7 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa
 
             CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
 
-            if (pa_sink_suspend(sink, b) < 0) {
+            if (pa_sink_suspend(sink, b, PA_SUSPEND_USER) < 0) {
                 pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
                 return;
             }
@@ -3863,7 +4190,7 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa
 
             pa_log_debug("%s all sources", b ? "Suspending" : "Resuming");
 
-            if (pa_source_suspend_all(c->protocol->core, b) < 0) {
+            if (pa_source_suspend_all(c->protocol->core, b, PA_SUSPEND_USER) < 0) {
                 pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
                 return;
             }
@@ -3878,7 +4205,7 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa
 
             CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
 
-            if (pa_source_suspend(source, b) < 0) {
+            if (pa_source_suspend(source, b, PA_SUSPEND_USER) < 0) {
                 pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID);
                 return;
             }
@@ -3921,13 +4248,109 @@ static void command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag,
     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);
+    cb = (pa_native_protocol_ext_cb_t) (unsigned long) pa_hashmap_get(c->protocol->extensions, m);
+    CHECK_VALIDITY(c->pstream, cb, tag, PA_ERR_NOEXTENSION);
 
     if (cb(c->protocol, m, c, tag, t) < 0)
         protocol_error(c);
 }
 
+static void command_set_card_profile(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, *profile = NULL;
+    pa_card *card = NULL;
+    int ret;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    if (pa_tagstruct_getu32(t, &idx) < 0 ||
+        pa_tagstruct_gets(t, &name) < 0 ||
+        pa_tagstruct_gets(t, &profile) < 0 ||
+        !pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        return;
+    }
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+    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 (idx != PA_INVALID_INDEX)
+        card = pa_idxset_get_by_index(c->protocol->core->cards, idx);
+    else
+        card = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_CARD);
+
+    CHECK_VALIDITY(c->pstream, card, tag, PA_ERR_NOENTITY);
+
+    if ((ret = pa_card_set_profile(card, profile, TRUE)) < 0) {
+        pa_pstream_send_error(c->pstream, tag, -ret);
+        return;
+    }
+
+    pa_pstream_send_simple_ack(c->pstream, tag);
+}
+
+static void command_set_sink_or_source_port(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, *port = NULL;
+    int ret;
+
+    pa_native_connection_assert_ref(c);
+    pa_assert(t);
+
+    if (pa_tagstruct_getu32(t, &idx) < 0 ||
+        pa_tagstruct_gets(t, &name) < 0 ||
+        pa_tagstruct_gets(t, &port) < 0 ||
+        !pa_tagstruct_eof(t)) {
+        protocol_error(c);
+        return;
+    }
+
+    CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
+    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_SET_SINK_PORT) {
+        pa_sink *sink;
+
+        if (idx != PA_INVALID_INDEX)
+            sink = pa_idxset_get_by_index(c->protocol->core->sinks, idx);
+        else
+            sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK);
+
+        CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
+
+        if ((ret = pa_sink_set_port(sink, port, TRUE)) < 0) {
+            pa_pstream_send_error(c->pstream, tag, -ret);
+            return;
+        }
+    } else {
+        pa_source *source;
+
+        pa_assert(command = PA_COMMAND_SET_SOURCE_PORT);
+
+        if (idx != PA_INVALID_INDEX)
+            source = pa_idxset_get_by_index(c->protocol->core->sources, idx);
+        else
+            source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE);
+
+        CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
+
+        if ((ret = pa_source_set_port(source, port, TRUE)) < 0) {
+            pa_pstream_send_error(c->pstream, tag, -ret);
+            return;
+        }
+    }
+
+    pa_pstream_send_simple_ack(c->pstream, tag);
+}
 
 /*** pstream callbacks ***/
 
@@ -3953,7 +4376,7 @@ static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t o
     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.");
+        pa_log_debug("Client sent block for invalid stream.");
         /* Ignoring */
         return;
     }
@@ -3963,17 +4386,20 @@ static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t o
     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);
+        if (chunk->memblock) {
+            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);
+            pa_asyncmsgq_post(ps->sink_input->sink->asyncmsgq, PA_MSGOBJECT(ps->sink_input), SINK_INPUT_MESSAGE_POST_DATA, NULL, 0, chunk, NULL);
+        } else
+            pa_asyncmsgq_post(ps->sink_input->sink->asyncmsgq, PA_MSGOBJECT(ps->sink_input), SINK_INPUT_MESSAGE_SEEK, PA_UINT_TO_PTR(seek), offset+chunk->length, NULL, NULL);
 
     } else {
         upload_stream *u = UPLOAD_STREAM(stream);
         size_t l;
 
         if (!u->memchunk.memblock) {
-            if (u->length == chunk->length) {
+            if (u->length == chunk->length && chunk->memblock) {
                 u->memchunk = *chunk;
                 pa_memblock_ref(u->memchunk.memblock);
                 u->length = 0;
@@ -3989,17 +4415,22 @@ static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t o
         if (l > chunk->length)
             l = chunk->length;
 
-
         if (l > 0) {
-            void *src, *dst;
+            void *dst;
             dst = pa_memblock_acquire(u->memchunk.memblock);
-            src = pa_memblock_acquire(chunk->memblock);
 
-            memcpy((uint8_t*) dst + u->memchunk.index + u->memchunk.length,
-                   (uint8_t*) src+chunk->index, l);
+            if (chunk->memblock) {
+                void *src;
+                src = pa_memblock_acquire(chunk->memblock);
+
+                memcpy((uint8_t*) dst + u->memchunk.index + u->memchunk.length,
+                       (uint8_t*) src + chunk->index, l);
+
+                pa_memblock_release(chunk->memblock);
+            } else
+                pa_silence_memory((uint8_t*) dst + u->memchunk.index + u->memchunk.length, l, &u->sample_spec);
 
             pa_memblock_release(u->memchunk.memblock);
-            pa_memblock_release(chunk->memblock);
 
             u->memchunk.length += l;
             u->length -= l;
@@ -4053,13 +4484,31 @@ static void client_kill_cb(pa_client *c) {
     pa_log_info("Connection killed.");
 }
 
+static void client_send_event_cb(pa_client *client, const char*event, pa_proplist *pl) {
+    pa_tagstruct *t;
+    pa_native_connection *c;
+
+    pa_assert(client);
+    c = PA_NATIVE_CONNECTION(client->userdata);
+    pa_native_connection_assert_ref(c);
+
+    if (c->version < 15)
+      return;
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_CLIENT_EVENT);
+    pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */
+    pa_tagstruct_puts(t, event);
+    pa_tagstruct_put_proplist(t, pl);
+    pa_pstream_send_tagstruct(c->pstream, t);
+}
+
 /*** module entry points ***/
 
-static void auth_timeout(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) {
+static void auth_timeout(pa_mainloop_api*m, pa_time_event *e, const struct timeval *t, void *userdata) {
     pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
 
     pa_assert(m);
-    pa_assert(tv);
     pa_native_connection_assert_ref(c);
     pa_assert(c->auth_timeout_event == e);
 
@@ -4117,12 +4566,9 @@ void pa_native_protocol_connect(pa_native_protocol *p, pa_iochannel *io, pa_nati
         c->authorized = TRUE;
     }
 
-    if (!c->authorized) {
-        struct timeval tv;
-        pa_gettimeofday(&tv);
-        tv.tv_sec += AUTH_TIMEOUT;
-        c->auth_timeout_event = p->core->mainloop->time_new(p->core->mainloop, &tv, auth_timeout, c);
-    } else
+    if (!c->authorized)
+        c->auth_timeout_event = pa_core_rttime_new(p->core, pa_rtclock_now() + AUTH_TIMEOUT, auth_timeout, c);
+    else
         c->auth_timeout_event = NULL;
 
     c->is_local = pa_iochannel_socket_is_local(io);
@@ -4130,6 +4576,7 @@ void pa_native_protocol_connect(pa_native_protocol *p, pa_iochannel *io, pa_nati
 
     c->client = client;
     c->client->kill = client_kill_cb;
+    c->client->send_event = client_send_event_cb;
     c->client->userdata = c;
 
     c->pstream = pa_pstream_new(p->core->mainloop, io, p->core->mempool);
@@ -4140,7 +4587,7 @@ void pa_native_protocol_connect(pa_native_protocol *p, pa_iochannel *io, pa_nati
     pa_pstream_set_revoke_callback(c->pstream, pstream_revoke_callback, c);
     pa_pstream_set_release_callback(c->pstream, pstream_release_callback, c);
 
-    c->pdispatch = pa_pdispatch_new(p->core->mainloop, command_table, PA_COMMAND_MAX);
+    c->pdispatch = pa_pdispatch_new(p->core->mainloop, TRUE, command_table, PA_COMMAND_MAX);
 
     c->record_streams = pa_idxset_new(NULL, NULL);
     c->output_streams = pa_idxset_new(NULL, NULL);
@@ -4279,7 +4726,7 @@ int pa_native_protocol_install_ext(pa_native_protocol *p, pa_module *m, pa_nativ
     pa_assert(cb);
     pa_assert(!pa_hashmap_get(p->extensions, m));
 
-    pa_assert_se(pa_hashmap_put(p->extensions, m, (void*) cb) == 0);
+    pa_assert_se(pa_hashmap_put(p->extensions, m, (void*) (unsigned long) cb) == 0);
     return 0;
 }