format: Add some convenience API for setting properties

[pulseaudio] / src / pulse / introspect.c

diff --git a/src/pulse/introspect.c b/src/pulse/introspect.c
index 04bcd4f5c4409f505753727dffc4a243b3451dcb..e28a78c4d74c776c1c07a86e3c21b1d51e61cb4b 100644 (file)
--- a/src/pulse/introspect.c
+++ b/src/pulse/introspect.c
@@ -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
@@ -29,13 +29,13 @@
 #include <pulse/context.h>
 #include <pulse/gccmacro.h>
 #include <pulse/xmalloc.h>
+#include <pulse/fork-detect.h>
 
 #include <pulsecore/macro.h>
 #include <pulsecore/core-util.h>
 #include <pulsecore/pstream-util.h>
 
 #include "internal.h"
-
 #include "introspect.h"
 
 /*** Statistics ***/
@@ -48,7 +48,7 @@ static void context_stat_callback(pa_pdispatch *pd, uint32_t command, uint32_t t
     pa_assert(o);
     pa_assert(PA_REFCNT_VALUE(o) >= 1);
 
-    memset(&i, 0, sizeof(i));
+    pa_zero(i);
 
     if (!o->context)
         goto finish;
@@ -92,7 +92,7 @@ static void context_get_server_info_callback(pa_pdispatch *pd, uint32_t command,
     pa_assert(o);
     pa_assert(PA_REFCNT_VALUE(o) >= 1);
 
-    memset(&i, 0, sizeof(i));
+    pa_zero(i);
 
     if (!o->context)
         goto finish;
@@ -110,12 +110,17 @@ static void context_get_server_info_callback(pa_pdispatch *pd, uint32_t command,
                pa_tagstruct_gets(t, &i.default_sink_name) < 0 ||
                pa_tagstruct_gets(t, &i.default_source_name) < 0 ||
                pa_tagstruct_getu32(t, &i.cookie) < 0 ||
+               (o->context->version >= 15 &&
+                pa_tagstruct_get_channel_map(t, &i.channel_map) < 0) ||
                !pa_tagstruct_eof(t)) {
 
         pa_context_fail(o->context, PA_ERR_PROTOCOL);
         goto finish;
     }
 
+    if (p && o->context->version < 15)
+        pa_channel_map_init_extend(&i.channel_map, i.sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
+
     if (o->callback) {
         pa_server_info_cb_t cb = (pa_server_info_cb_t) o->callback;
         cb(o->context, p, o->userdata);
@@ -155,8 +160,10 @@ static void context_get_sink_info_callback(pa_pdispatch *pd, uint32_t command, u
             pa_bool_t mute;
             uint32_t flags;
             uint32_t state;
+            uint32_t j;
+            const char *ap = NULL;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
             i.proplist = pa_proplist_new();
             i.base_volume = PA_VOLUME_NORM;
             i.n_volume_steps = PA_VOLUME_NORM+1;
@@ -184,13 +191,82 @@ static void context_get_sink_info_callback(pa_pdispatch *pd, uint32_t command, u
                  (pa_tagstruct_get_volume(t, &i.base_volume) < 0 ||
                   pa_tagstruct_getu32(t, &state) < 0 ||
                   pa_tagstruct_getu32(t, &i.n_volume_steps) < 0 ||
-                  pa_tagstruct_getu32(t, &i.card) < 0))) {
+                  pa_tagstruct_getu32(t, &i.card) < 0)) ||
+                (o->context->version >= 16 &&
+                 (pa_tagstruct_getu32(t, &i.n_ports)))) {
 
                 pa_context_fail(o->context, PA_ERR_PROTOCOL);
                 pa_proplist_free(i.proplist);
                 goto finish;
             }
 
+            if (o->context->version >= 16) {
+                if (i.n_ports > 0) {
+                    i.ports = pa_xnew(pa_sink_port_info*, i.n_ports+1);
+                    i.ports[0] = pa_xnew(pa_sink_port_info, i.n_ports);
+
+                    for (j = 0; j < i.n_ports; j++) {
+                        if (pa_tagstruct_gets(t, &i.ports[0][j].name) < 0 ||
+                            pa_tagstruct_gets(t, &i.ports[0][j].description) < 0 ||
+                            pa_tagstruct_getu32(t, &i.ports[0][j].priority) < 0) {
+
+                            pa_context_fail(o->context, PA_ERR_PROTOCOL);
+                            pa_xfree(i.ports[0]);
+                            pa_xfree(i.ports);
+                            pa_proplist_free(i.proplist);
+                            goto finish;
+                        }
+
+                        i.ports[j] = &i.ports[0][j];
+                    }
+
+                    i.ports[j] = NULL;
+                }
+
+                if (pa_tagstruct_gets(t, &ap) < 0) {
+                    pa_context_fail(o->context, PA_ERR_PROTOCOL);
+                    pa_xfree(i.ports[0]);
+                    pa_xfree(i.ports);
+                    pa_proplist_free(i.proplist);
+                    goto finish;
+                }
+
+                if (ap) {
+                    for (j = 0; j < i.n_ports; j++)
+                        if (pa_streq(i.ports[j]->name, ap)) {
+                            i.active_port = i.ports[j];
+                            break;
+                        }
+                }
+            }
+
+            if (o->context->version >= 21) {
+                i.formats = NULL;
+
+                if (pa_tagstruct_getu8(t, &i.n_formats)) {
+                    pa_context_fail(o->context, PA_ERR_PROTOCOL);
+                    pa_proplist_free(i.proplist);
+                    goto finish;
+                }
+
+                pa_assert(i.n_formats > 0);
+                i.formats = pa_xnew0(pa_format_info*, i.n_formats);
+
+                for (j = 0; j < i.n_formats; j++) {
+                    i.formats[j] = pa_format_info_new();
+                    if (pa_tagstruct_get_format_info(t, i.formats[j]) < 0) {
+                        do {
+                            pa_format_info_free(i.formats[j]);
+                        } while (j--);
+                        pa_xfree(i.formats);
+
+                        pa_context_fail(o->context, PA_ERR_PROTOCOL);
+                        pa_proplist_free(i.proplist);
+                        goto finish;
+                    }
+                }
+            }
+
             i.mute = (int) mute;
             i.flags = (pa_sink_flags_t) flags;
             i.state = (pa_sink_state_t) state;
@@ -200,6 +276,17 @@ static void context_get_sink_info_callback(pa_pdispatch *pd, uint32_t command, u
                 cb(o->context, &i, 0, o->userdata);
             }
 
+            if (i.ports) {
+                pa_xfree(i.ports[0]);
+                pa_xfree(i.ports);
+            }
+
+            if (i.formats) {
+                for (j = 0; j < i.n_formats; j++)
+                    pa_format_info_free(i.formats[j]);
+                pa_xfree(i.formats);
+            }
+
             pa_proplist_free(i.proplist);
         }
     }
@@ -227,6 +314,7 @@ pa_operation* pa_context_get_sink_info_by_index(pa_context *c, uint32_t idx, pa_
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 
     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
@@ -249,6 +337,7 @@ pa_operation* pa_context_get_sink_info_by_name(pa_context *c, const char *name,
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
 
@@ -263,6 +352,56 @@ pa_operation* pa_context_get_sink_info_by_name(pa_context *c, const char *name,
     return o;
 }
 
+pa_operation* pa_context_set_sink_port_by_index(pa_context *c, uint32_t idx, const char*port, pa_context_success_cb_t cb, void *userdata) {
+    pa_operation *o;
+    pa_tagstruct *t;
+    uint32_t tag;
+
+    pa_assert(c);
+    pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 16, PA_ERR_NOTSUPPORTED);
+
+    o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+
+    t = pa_tagstruct_command(c, PA_COMMAND_SET_SINK_PORT, &tag);
+    pa_tagstruct_putu32(t, idx);
+    pa_tagstruct_puts(t, NULL);
+    pa_tagstruct_puts(t, port);
+    pa_pstream_send_tagstruct(c->pstream, t);
+    pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+    return o;
+}
+
+pa_operation* pa_context_set_sink_port_by_name(pa_context *c, const char *name, const char*port, pa_context_success_cb_t cb, void *userdata) {
+    pa_operation *o;
+    pa_tagstruct *t;
+    uint32_t tag;
+
+    pa_assert(c);
+    pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 16, PA_ERR_NOTSUPPORTED);
+
+    o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+
+    t = pa_tagstruct_command(c, PA_COMMAND_SET_SINK_PORT, &tag);
+    pa_tagstruct_putu32(t, PA_INVALID_INDEX);
+    pa_tagstruct_puts(t, name);
+    pa_tagstruct_puts(t, port);
+    pa_pstream_send_tagstruct(c->pstream, t);
+    pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+    return o;
+}
+
 /*** Source info ***/
 
 static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
@@ -288,8 +427,10 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
             pa_bool_t mute;
             uint32_t flags;
             uint32_t state;
+            unsigned j;
+            const char *ap;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
             i.proplist = pa_proplist_new();
             i.base_volume = PA_VOLUME_NORM;
             i.n_volume_steps = PA_VOLUME_NORM+1;
@@ -317,13 +458,55 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
                  (pa_tagstruct_get_volume(t, &i.base_volume) < 0 ||
                   pa_tagstruct_getu32(t, &state) < 0 ||
                   pa_tagstruct_getu32(t, &i.n_volume_steps) < 0 ||
-                  pa_tagstruct_getu32(t, &i.card) < 0))) {
+                  pa_tagstruct_getu32(t, &i.card) < 0)) ||
+                (o->context->version >= 16 &&
+                 (pa_tagstruct_getu32(t, &i.n_ports)))) {
 
                 pa_context_fail(o->context, PA_ERR_PROTOCOL);
                 pa_proplist_free(i.proplist);
                 goto finish;
             }
 
+            if (o->context->version >= 16) {
+                if (i.n_ports > 0) {
+                    i.ports = pa_xnew(pa_source_port_info*, i.n_ports+1);
+                    i.ports[0] = pa_xnew(pa_source_port_info, i.n_ports);
+
+                    for (j = 0; j < i.n_ports; j++) {
+                        if (pa_tagstruct_gets(t, &i.ports[0][j].name) < 0 ||
+                            pa_tagstruct_gets(t, &i.ports[0][j].description) < 0 ||
+                            pa_tagstruct_getu32(t, &i.ports[0][j].priority) < 0) {
+
+                            pa_context_fail(o->context, PA_ERR_PROTOCOL);
+                            pa_xfree(i.ports[0]);
+                            pa_xfree(i.ports);
+                            pa_proplist_free(i.proplist);
+                            goto finish;
+                        }
+
+                        i.ports[j] = &i.ports[0][j];
+                    }
+
+                    i.ports[j] = NULL;
+                }
+
+                if (pa_tagstruct_gets(t, &ap) < 0) {
+                    pa_context_fail(o->context, PA_ERR_PROTOCOL);
+                    pa_xfree(i.ports[0]);
+                    pa_xfree(i.ports);
+                    pa_proplist_free(i.proplist);
+                    goto finish;
+                }
+
+                if (ap) {
+                    for (j = 0; j < i.n_ports; j++)
+                        if (pa_streq(i.ports[j]->name, ap)) {
+                            i.active_port = i.ports[j];
+                            break;
+                        }
+                }
+            }
+
             i.mute = (int) mute;
             i.flags = (pa_source_flags_t) flags;
             i.state = (pa_source_state_t) state;
@@ -333,6 +516,10 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
                 cb(o->context, &i, 0, o->userdata);
             }
 
+            if (i.ports) {
+                pa_xfree(i.ports[0]);
+                pa_xfree(i.ports);
+            }
             pa_proplist_free(i.proplist);
         }
     }
@@ -360,6 +547,7 @@ pa_operation* pa_context_get_source_info_by_index(pa_context *c, uint32_t idx, p
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 
     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
@@ -382,6 +570,7 @@ pa_operation* pa_context_get_source_info_by_name(pa_context *c, const char *name
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
 
@@ -396,6 +585,56 @@ pa_operation* pa_context_get_source_info_by_name(pa_context *c, const char *name
     return o;
 }
 
+pa_operation* pa_context_set_source_port_by_index(pa_context *c, uint32_t idx, const char*port, pa_context_success_cb_t cb, void *userdata) {
+    pa_operation *o;
+    pa_tagstruct *t;
+    uint32_t tag;
+
+    pa_assert(c);
+    pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 16, PA_ERR_NOTSUPPORTED);
+
+    o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+
+    t = pa_tagstruct_command(c, PA_COMMAND_SET_SOURCE_PORT, &tag);
+    pa_tagstruct_putu32(t, idx);
+    pa_tagstruct_puts(t, NULL);
+    pa_tagstruct_puts(t, port);
+    pa_pstream_send_tagstruct(c->pstream, t);
+    pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+    return o;
+}
+
+pa_operation* pa_context_set_source_port_by_name(pa_context *c, const char *name, const char*port, pa_context_success_cb_t cb, void *userdata) {
+    pa_operation *o;
+    pa_tagstruct *t;
+    uint32_t tag;
+
+    pa_assert(c);
+    pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 16, PA_ERR_NOTSUPPORTED);
+
+    o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+
+    t = pa_tagstruct_command(c, PA_COMMAND_SET_SOURCE_PORT, &tag);
+    pa_tagstruct_putu32(t, PA_INVALID_INDEX);
+    pa_tagstruct_puts(t, name);
+    pa_tagstruct_puts(t, port);
+    pa_pstream_send_tagstruct(c->pstream, t);
+    pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+    return o;
+}
+
 /*** Client info ***/
 
 static void context_get_client_info_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
@@ -419,7 +658,7 @@ static void context_get_client_info_callback(pa_pdispatch *pd, uint32_t command,
         while (!pa_tagstruct_eof(t)) {
             pa_client_info i;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
             i.proplist = pa_proplist_new();
 
             if (pa_tagstruct_getu32(t, &i.index) < 0 ||
@@ -461,6 +700,7 @@ pa_operation* pa_context_get_client_info(pa_context *c, uint32_t idx, pa_client_
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
 
@@ -503,7 +743,7 @@ static void context_get_card_info_callback(pa_pdispatch *pd, uint32_t command, u
             uint32_t j;
             const char*ap;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
 
             if (pa_tagstruct_getu32(t, &i.index) < 0 ||
                 pa_tagstruct_gets(t, &i.name) < 0 ||
@@ -516,14 +756,15 @@ static void context_get_card_info_callback(pa_pdispatch *pd, uint32_t command, u
             }
 
             if (i.n_profiles > 0) {
-                i.profiles = pa_xnew(pa_card_profile_info, i.n_profiles+1);
+                i.profiles = pa_xnew0(pa_card_profile_info, i.n_profiles+1);
 
                 for (j = 0; j < i.n_profiles; j++) {
 
                     if (pa_tagstruct_gets(t, &i.profiles[j].name) < 0 ||
                         pa_tagstruct_gets(t, &i.profiles[j].description) < 0 ||
                         pa_tagstruct_getu32(t, &i.profiles[j].n_sinks) < 0 ||
-                        pa_tagstruct_getu32(t, &i.profiles[j].n_sources)< 0) {
+                        pa_tagstruct_getu32(t, &i.profiles[j].n_sources) < 0 ||
+                        pa_tagstruct_getu32(t, &i.profiles[j].priority) < 0) {
 
                         pa_context_fail(o->context, PA_ERR_PROTOCOL);
                         pa_xfree(i.profiles);
@@ -584,6 +825,7 @@ pa_operation* pa_context_get_card_info_by_index(pa_context *c, uint32_t idx, pa_
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED);
@@ -608,6 +850,7 @@ pa_operation* pa_context_get_card_info_by_name(pa_context *c, const char*name, p
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED);
@@ -624,6 +867,8 @@ pa_operation* pa_context_get_card_info_by_name(pa_context *c, const char*name, p
 }
 
 pa_operation* pa_context_get_card_info_list(pa_context *c, pa_card_info_cb_t cb, void *userdata) {
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED);
+
     return pa_context_send_simple_command(c, PA_COMMAND_GET_CARD_INFO_LIST, context_get_card_info_callback, (pa_operation_cb_t) cb, userdata);
 }
 
@@ -635,6 +880,7 @@ pa_operation* pa_context_set_card_profile_by_index(pa_context *c, uint32_t idx,
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED);
@@ -659,6 +905,7 @@ pa_operation* pa_context_set_card_profile_by_name(pa_context *c, const char *nam
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED);
@@ -699,7 +946,7 @@ static void context_get_module_info_callback(pa_pdispatch *pd, uint32_t command,
             pa_module_info i;
             pa_bool_t auto_unload = FALSE;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
             i.proplist = pa_proplist_new();
 
             if (pa_tagstruct_getu32(t, &i.index) < 0 ||
@@ -742,6 +989,7 @@ pa_operation* pa_context_get_module_info(pa_context *c, uint32_t idx, pa_module_
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
 
@@ -781,10 +1029,11 @@ static void context_get_sink_input_info_callback(pa_pdispatch *pd, uint32_t comm
 
         while (!pa_tagstruct_eof(t)) {
             pa_sink_input_info i;
-            pa_bool_t mute = FALSE;
+            pa_bool_t mute = FALSE, corked = FALSE, has_volume = FALSE, volume_writable = TRUE;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
             i.proplist = pa_proplist_new();
+            i.format = pa_format_info_new();
 
             if (pa_tagstruct_getu32(t, &i.index) < 0 ||
                 pa_tagstruct_gets(t, &i.name) < 0 ||
@@ -799,14 +1048,22 @@ static void context_get_sink_input_info_callback(pa_pdispatch *pd, uint32_t comm
                 pa_tagstruct_gets(t, &i.resample_method) < 0 ||
                 pa_tagstruct_gets(t, &i.driver) < 0 ||
                 (o->context->version >= 11 && pa_tagstruct_get_boolean(t, &mute) < 0) ||
-                (o->context->version >= 13 && pa_tagstruct_get_proplist(t, i.proplist) < 0)) {
+                (o->context->version >= 13 && pa_tagstruct_get_proplist(t, i.proplist) < 0) ||
+                (o->context->version >= 19 && pa_tagstruct_get_boolean(t, &corked) < 0) ||
+                (o->context->version >= 20 && (pa_tagstruct_get_boolean(t, &has_volume) < 0 ||
+                                               pa_tagstruct_get_boolean(t, &volume_writable) < 0)) ||
+                (o->context->version >= 21 && pa_tagstruct_get_format_info(t, i.format) < 0)) {
 
                 pa_context_fail(o->context, PA_ERR_PROTOCOL);
                 pa_proplist_free(i.proplist);
+                pa_format_info_free(i.format);
                 goto finish;
             }
 
             i.mute = (int) mute;
+            i.corked = (int) corked;
+            i.has_volume = (int) has_volume;
+            i.volume_writable = (int) volume_writable;
 
             if (o->callback) {
                 pa_sink_input_info_cb_t cb = (pa_sink_input_info_cb_t) o->callback;
@@ -814,6 +1071,7 @@ static void context_get_sink_input_info_callback(pa_pdispatch *pd, uint32_t comm
             }
 
             pa_proplist_free(i.proplist);
+            pa_format_info_free(i.format);
         }
     }
 
@@ -836,6 +1094,7 @@ pa_operation* pa_context_get_sink_input_info(pa_context *c, uint32_t idx, pa_sin
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
 
@@ -875,8 +1134,9 @@ static void context_get_source_output_info_callback(pa_pdispatch *pd, uint32_t c
 
         while (!pa_tagstruct_eof(t)) {
             pa_source_output_info i;
+            pa_bool_t corked = FALSE;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
             i.proplist = pa_proplist_new();
 
             if (pa_tagstruct_getu32(t, &i.index) < 0 ||
@@ -890,13 +1150,16 @@ static void context_get_source_output_info_callback(pa_pdispatch *pd, uint32_t c
                 pa_tagstruct_get_usec(t, &i.source_usec) < 0 ||
                 pa_tagstruct_gets(t, &i.resample_method) < 0 ||
                 pa_tagstruct_gets(t, &i.driver) < 0 ||
-                (o->context->version >= 13 && pa_tagstruct_get_proplist(t, i.proplist) < 0)) {
+                (o->context->version >= 13 && pa_tagstruct_get_proplist(t, i.proplist) < 0) ||
+                (o->context->version >= 19 && pa_tagstruct_get_boolean(t, &corked) < 0)) {
 
                 pa_context_fail(o->context, PA_ERR_PROTOCOL);
                 pa_proplist_free(i.proplist);
                 goto finish;
             }
 
+            i.corked = (int) corked;
+
             if (o->callback) {
                 pa_source_output_info_cb_t cb = (pa_source_output_info_cb_t) o->callback;
                 cb(o->context, &i, 0, o->userdata);
@@ -925,6 +1188,7 @@ pa_operation* pa_context_get_source_output_info(pa_context *c, uint32_t idx, pa_
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
 
@@ -953,6 +1217,7 @@ pa_operation* pa_context_set_sink_volume_by_index(pa_context *c, uint32_t idx, c
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(volume);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID);
 
@@ -978,6 +1243,7 @@ pa_operation* pa_context_set_sink_volume_by_name(pa_context *c, const char *name
     pa_assert(name);
     pa_assert(volume);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
@@ -1002,6 +1268,7 @@ pa_operation* pa_context_set_sink_mute_by_index(pa_context *c, uint32_t idx, int
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 
     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
@@ -1025,6 +1292,7 @@ pa_operation* pa_context_set_sink_mute_by_name(pa_context *c, const char *name,
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(name);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
 
@@ -1049,6 +1317,7 @@ pa_operation* pa_context_set_sink_input_volume(pa_context *c, uint32_t idx, cons
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(volume);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
     PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID);
@@ -1072,6 +1341,7 @@ pa_operation* pa_context_set_sink_input_mute(pa_context *c, uint32_t idx, int mu
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED);
@@ -1096,6 +1366,7 @@ pa_operation* pa_context_set_source_volume_by_index(pa_context *c, uint32_t idx,
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(volume);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID);
 
@@ -1121,6 +1392,7 @@ pa_operation* pa_context_set_source_volume_by_name(pa_context *c, const char *na
     pa_assert(name);
     pa_assert(volume);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
@@ -1145,6 +1417,7 @@ pa_operation* pa_context_set_source_mute_by_index(pa_context *c, uint32_t idx, i
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
 
     o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
@@ -1168,6 +1441,7 @@ pa_operation* pa_context_set_source_mute_by_name(pa_context *c, const char *name
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(name);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
 
@@ -1207,7 +1481,7 @@ static void context_get_sample_info_callback(pa_pdispatch *pd, uint32_t command,
             pa_sample_info i;
             pa_bool_t lazy = FALSE;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
             i.proplist = pa_proplist_new();
 
             if (pa_tagstruct_getu32(t, &i.index) < 0 ||
@@ -1255,6 +1529,7 @@ pa_operation* pa_context_get_sample_info_by_name(pa_context *c, const char *name
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 
@@ -1278,6 +1553,7 @@ pa_operation* pa_context_get_sample_info_by_index(pa_context *c, uint32_t idx, p
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(cb);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
 
@@ -1304,6 +1580,7 @@ static pa_operation* command_kill(pa_context *c, uint32_t command, uint32_t idx,
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
 
@@ -1370,6 +1647,7 @@ pa_operation* pa_context_load_module(pa_context *c, const char*name, const char
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, name && *name, PA_ERR_INVALID);
 
@@ -1453,6 +1731,7 @@ pa_operation* pa_context_move_sink_input_by_name(pa_context *c, uint32_t idx, co
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 10, PA_ERR_NOTSUPPORTED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
@@ -1478,6 +1757,7 @@ pa_operation* pa_context_move_sink_input_by_index(pa_context *c, uint32_t idx, u
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 10, PA_ERR_NOTSUPPORTED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
@@ -1503,6 +1783,7 @@ pa_operation* pa_context_move_source_output_by_name(pa_context *c, uint32_t idx,
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 10, PA_ERR_NOTSUPPORTED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
@@ -1528,6 +1809,7 @@ pa_operation* pa_context_move_source_output_by_index(pa_context *c, uint32_t idx
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 10, PA_ERR_NOTSUPPORTED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
@@ -1553,6 +1835,7 @@ pa_operation* pa_context_suspend_sink_by_name(pa_context *c, const char *sink_na
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !sink_name || *sink_name, PA_ERR_INVALID);
@@ -1577,6 +1860,7 @@ pa_operation* pa_context_suspend_sink_by_index(pa_context *c, uint32_t idx, int
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED);
 
@@ -1600,6 +1884,7 @@ pa_operation* pa_context_suspend_source_by_name(pa_context *c, const char *sourc
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, !source_name || *source_name, PA_ERR_INVALID);
@@ -1624,6 +1909,7 @@ pa_operation* pa_context_suspend_source_by_index(pa_context *c, uint32_t idx, in
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 11, PA_ERR_NOTSUPPORTED);