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authorLennart Poettering <lennart@poettering.net>2006-08-03 22:30:45 +0000
committerLennart Poettering <lennart@poettering.net>2006-08-03 22:30:45 +0000
commit2d00de58513fa069d4a8aabca0aa0be33eb37ce9 (patch)
tree3b1a9406f20a74b9e89a4a85f70741c58b63b744 /src/pulsecore/source-output.c
parentddc69fccb5eec6ed546b1d2fe1771c383eeb5413 (diff)
Implement pa_source_input_move_to() for moving record streams between sources
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1181 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/pulsecore/source-output.c')
-rw-r--r--src/pulsecore/source-output.c77
1 files changed, 74 insertions, 3 deletions
diff --git a/src/pulsecore/source-output.c b/src/pulsecore/source-output.c
index 230b416d..1ffaedae 100644
--- a/src/pulsecore/source-output.c
+++ b/src/pulsecore/source-output.c
@@ -79,8 +79,10 @@ pa_source_output* pa_source_output_new(
resample_method = s->core->resample_method;
if (!pa_sample_spec_equal(&s->sample_spec, spec) || !pa_channel_map_equal(&s->channel_map, map))
- if (!(resampler = pa_resampler_new(&s->sample_spec, &s->channel_map, spec, map, s->core->memblock_stat, resample_method)))
+ if (!(resampler = pa_resampler_new(&s->sample_spec, &s->channel_map, spec, map, s->core->memblock_stat, resample_method))) {
+ pa_log_warn(__FILE__": Unsupported resampling operation.");
return NULL;
+ }
o = pa_xnew(pa_source_output, 1);
o->ref = 1;
@@ -100,6 +102,7 @@ pa_source_output* pa_source_output_new(
o->userdata = NULL;
o->resampler = resampler;
+ o->resample_method = resample_method;
assert(s->core);
r = pa_idxset_put(s->core->source_outputs, o, &o->index);
@@ -111,6 +114,9 @@ pa_source_output* pa_source_output_new(
pa_log_info(__FILE__": created %u \"%s\" on %u with sample spec \"%s\"", o->index, o->name, s->index, st);
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index);
+
+ /* We do not call pa_source_notify() here, because the virtual
+ * functions have not yet been initialized */
return o;
}
@@ -166,7 +172,6 @@ pa_source_output* pa_source_output_ref(pa_source_output *o) {
return o;
}
-
void pa_source_output_kill(pa_source_output*o) {
assert(o);
assert(o->ref >= 1);
@@ -221,13 +226,20 @@ pa_usec_t pa_source_output_get_latency(pa_source_output *o) {
}
void pa_source_output_cork(pa_source_output *o, int b) {
+ int n;
+
assert(o);
assert(o->ref >= 1);
if (o->state == PA_SOURCE_OUTPUT_DISCONNECTED)
return;
+
+ n = o->state == PA_SOURCE_OUTPUT_CORKED && !b;
o->state = b ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING;
+
+ if (n)
+ pa_source_notify(o->source);
}
pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o) {
@@ -235,7 +247,66 @@ pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o) {
assert(o->ref >= 1);
if (!o->resampler)
- return PA_RESAMPLER_INVALID;
+ return o->resample_method;
return pa_resampler_get_method(o->resampler);
}
+
+int pa_source_output_move_to(pa_source_output *o, pa_source *dest) {
+ pa_source *origin;
+ pa_resampler *new_resampler;
+
+ assert(o);
+ assert(o->ref >= 1);
+ assert(dest);
+
+ origin = o->source;
+
+ if (dest == origin)
+ return 0;
+
+ if (pa_idxset_size(dest->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) {
+ pa_log_warn(__FILE__": Failed to move source output: too many outputs per source.");
+ return -1;
+ }
+
+ if (o->resampler &&
+ pa_sample_spec_equal(&origin->sample_spec, &dest->sample_spec) &&
+ pa_channel_map_equal(&origin->channel_map, &dest->channel_map))
+
+ /* Try to reuse the old resampler if possible */
+ new_resampler = o->resampler;
+
+ else if (!pa_sample_spec_equal(&o->sample_spec, &dest->sample_spec) ||
+ !pa_channel_map_equal(&o->channel_map, &dest->channel_map)) {
+
+ /* Okey, we need a new resampler for the new sink */
+
+ if (!(new_resampler = pa_resampler_new(
+ &dest->sample_spec, &dest->channel_map,
+ &o->sample_spec, &o->channel_map,
+ dest->core->memblock_stat,
+ o->resample_method))) {
+ pa_log_warn(__FILE__": Unsupported resampling operation.");
+ return -1;
+ }
+ }
+
+ /* Okey, let's move it */
+ pa_idxset_remove_by_data(origin->outputs, o, NULL);
+ pa_idxset_put(dest->outputs, o, NULL);
+ o->source = dest;
+
+ /* Replace resampler */
+ if (new_resampler != o->resampler) {
+ if (o->resampler)
+ pa_resampler_free(o->resampler);
+ o->resampler = new_resampler;
+ }
+
+ /* Notify everyone */
+ pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
+ pa_source_notify(o->source);
+
+ return 0;
+}