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introspect: implement enough to make gnome-control-center work

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We can see sources and sink and change the volume/mute of streams
This commit is contained in:
Wim Taymans 2018-10-19 16:57:03 +02:00
parent faccc8d506
commit 01aa9a5960
4 changed files with 76 additions and 21 deletions
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56
src/introspect.c
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@ -923,13 +923,16 @@ static void sink_input_callback(struct sink_input_data *d)
pa_stream *s;
pw_log_debug("index %d", g->id);
if (info == NULL)
return;
s = find_stream(d->context, g->id);
spa_zero(i);
i.index = g->id;
i.name = info->name;
i.owner_module = g->parent_id;
i.client = PA_INVALID_INDEX;
i.owner_module = PA_INVALID_INDEX;
i.client = g->parent_id;
i.sink = PA_INVALID_INDEX;
pa_cvolume_init(&i.volume);
if (s && s->sample_spec.channels > 0) {
@ -980,6 +983,8 @@ pa_operation* pa_context_get_sink_input_info(pa_context *c, uint32_t idx, pa_sin
PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID);
pw_log_debug("context %p: info for %d", c, idx);
if ((g = pa_context_find_global(c, idx)) == NULL)
return NULL;
if (!(g->mask & PA_SUBSCRIPTION_MASK_SINK_INPUT))
@ -1024,6 +1029,8 @@ pa_operation* pa_context_get_sink_input_info_list(pa_context *c, pa_sink_input_i
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
pw_log_debug("context %p", c);
ensure_types(c, PA_SUBSCRIPTION_MASK_SINK_INPUT);
o = pa_operation_new(c, NULL, sink_input_info_list, sizeof(struct sink_input_data));
d = o->userdata;
@ -1079,19 +1086,18 @@ pa_operation* pa_context_set_sink_input_volume(pa_context *c, uint32_t idx, cons
if (s) {
s->volume = v;
pw_stream_set_control(s->stream, PW_STREAM_CONTROL_VOLUME, s->volume);
pw_stream_set_control(s->stream, PW_STREAM_CONTROL_VOLUME, s->mute ? 0.0 : s->volume);
}
else if (g) {
char buf[1024];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buf, sizeof(buf));
pw_node_proxy_set_param((struct pw_node_proxy*)g->proxy,
SPA_PARAM_Props, 0,
spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_Props, SPA_PARAM_Props,
SPA_PROP_volume, &SPA_POD_Float(v),
SPA_PROP_mute, &SPA_POD_Bool(false),
0));
SPA_PARAM_Props, 0,
spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_Props, SPA_PARAM_Props,
SPA_PROP_volume, &SPA_POD_Float(v),
0));
}
o = pa_operation_new(c, NULL, on_success, sizeof(struct success_ack));
d = o->userdata;
@ -1105,17 +1111,30 @@ pa_operation* pa_context_set_sink_input_volume(pa_context *c, uint32_t idx, cons
pa_operation* pa_context_set_sink_input_mute(pa_context *c, uint32_t idx, int mute, pa_context_success_cb_t cb, void *userdata)
{
pa_stream *s;
struct global *g;
pa_operation *o;
struct success_ack *d;
if ((s = find_stream(c, idx)) == NULL)
return NULL;
if ((s = find_stream(c, idx)) == NULL) {
if ((g = pa_context_find_global(c, idx)) == NULL)
return NULL;
}
if (mute)
pw_stream_set_control(s->stream, PW_STREAM_CONTROL_VOLUME, 0.0);
else
pw_stream_set_control(s->stream, PW_STREAM_CONTROL_VOLUME, s->volume);
if (s) {
s->mute = mute;
pw_stream_set_control(s->stream, PW_STREAM_CONTROL_VOLUME, s->mute ? 0.0 : s->volume);
}
else if (g) {
char buf[1024];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buf, sizeof(buf));
pw_node_proxy_set_param((struct pw_node_proxy*)g->proxy,
SPA_PARAM_Props, 0,
spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_Props, SPA_PARAM_Props,
SPA_PROP_mute, &SPA_POD_Bool(mute),
0));
}
o = pa_operation_new(c, NULL, on_success, sizeof(struct success_ack));
d = o->userdata;
d->cb = cb;
@ -1147,13 +1166,16 @@ static void source_output_callback(struct source_output_data *d)
pa_stream *s;
pw_log_debug("index %d", g->id);
if (info == NULL)
return;
s = find_stream(d->context, g->id);
spa_zero(i);
i.index = g->id;
i.name = info->name;
i.owner_module = g->parent_id;
i.client = PA_INVALID_INDEX;
i.owner_module = PA_INVALID_INDEX;
i.client = g->parent_id;
i.source = PA_INVALID_INDEX;
pa_cvolume_init(&i.volume);
if (s && s->sample_spec.channels > 0) {