libpulse: introduce pa_context_get_tile_size() call

[pulseaudio] / src / pulse / introspect.c

diff --git a/src/pulse/introspect.c b/src/pulse/introspect.c
index 847ead0d4a904b1b24123e52bf6560b2e13d1001..100413ee5fcf0de77808896100fd17be63df6b73 100644 (file)
--- a/src/pulse/introspect.c
+++ b/src/pulse/introspect.c
@@ -35,6 +35,7 @@
 #include <pulsecore/pstream-util.h>
 
 #include "internal.h"
+#include "fork-detect.h"
 
 #include "introspect.h"
 
@@ -48,7 +49,7 @@ 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 +93,7 @@ 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;
@@ -160,8 +161,10 @@ 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;
@@ -189,13 +192,55 @@ 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;
+                        }
+                }
+            }
+
             i.mute = (int) mute;
             i.flags = (pa_sink_flags_t) flags;
             i.state = (pa_sink_state_t) state;
@@ -205,6 +250,10 @@ 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);
+            }
             pa_proplist_free(i.proplist);
         }
     }
@@ -232,6 +281,7 @@ 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);
@@ -254,6 +304,7 @@ 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);
 
@@ -268,6 +319,56 @@ 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) {
@@ -293,8 +394,10 @@ 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;
@@ -322,13 +425,55 @@ 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;
@@ -338,6 +483,10 @@ 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);
         }
     }
@@ -365,6 +514,7 @@ 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);
@@ -387,6 +537,7 @@ 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);
 
@@ -401,6 +552,56 @@ 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) {
@@ -424,7 +625,7 @@ 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 ||
@@ -466,6 +667,7 @@ 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);
 
@@ -508,7 +710,7 @@ 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 ||
@@ -521,7 +723,7 @@ 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++) {
 
@@ -590,6 +792,7 @@ 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);
@@ -614,6 +817,7 @@ 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);
@@ -630,6 +834,8 @@ 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);
 }
 
@@ -641,6 +847,7 @@ 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);
@@ -665,6 +872,7 @@ 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);
@@ -705,7 +913,7 @@ 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 ||
@@ -748,6 +956,7 @@ 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);
 
@@ -789,7 +998,7 @@ static void context_get_sink_input_info_callback(pa_pdispatch *pd, uint32_t comm
             pa_sink_input_info i;
             pa_bool_t mute = FALSE;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
             i.proplist = pa_proplist_new();
 
             if (pa_tagstruct_getu32(t, &i.index) < 0 ||
@@ -842,6 +1051,7 @@ 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);
 
@@ -882,7 +1092,7 @@ static void context_get_source_output_info_callback(pa_pdispatch *pd, uint32_t c
         while (!pa_tagstruct_eof(t)) {
             pa_source_output_info i;
 
-            memset(&i, 0, sizeof(i));
+            pa_zero(i);
             i.proplist = pa_proplist_new();
 
             if (pa_tagstruct_getu32(t, &i.index) < 0 ||
@@ -931,6 +1141,7 @@ 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);
 
@@ -959,6 +1170,7 @@ 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);
 
@@ -984,6 +1196,7 @@ 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);
@@ -1008,6 +1221,7 @@ 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);
@@ -1031,6 +1245,7 @@ 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);
 
@@ -1055,6 +1270,7 @@ 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);
@@ -1078,6 +1294,7 @@ 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);
@@ -1102,6 +1319,7 @@ 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);
 
@@ -1127,6 +1345,7 @@ 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);
@@ -1151,6 +1370,7 @@ 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);
@@ -1174,6 +1394,7 @@ 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);
 
@@ -1213,7 +1434,7 @@ 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 ||
@@ -1261,6 +1482,7 @@ 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);
 
@@ -1284,6 +1506,7 @@ 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);
 
@@ -1310,6 +1533,7 @@ 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);
 
@@ -1376,6 +1600,7 @@ 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);
 
@@ -1459,6 +1684,7 @@ 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);
@@ -1484,6 +1710,7 @@ 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);
@@ -1509,6 +1736,7 @@ 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);
@@ -1534,6 +1762,7 @@ 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);
@@ -1559,6 +1788,7 @@ 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);
@@ -1583,6 +1813,7 @@ 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);
 
@@ -1606,6 +1837,7 @@ 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);
@@ -1630,6 +1862,7 @@ 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);