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libobs: Do not use signals with audio capture/controls

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(Note: This commit also modifies UI)

Instead of using signals, use designated callback lists for audio
capture and audio control helpers.  Signals aren't suitable here due to
the fact that signals aren't meant for things that happen every frame or
things that happen every time audio/video is received.  Also prevents
audio from being allocated every time these functions are called due to
the calldata structure.
This commit is contained in:
jp9000
2016-01-07 19:48:36 -08:00
parent 46bb2622c4
commit 669da7ba36
7 changed files with 176 additions and 106 deletions
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8
libobs/obs.h
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@@ -844,6 +844,14 @@ EXPORT uint64_t obs_source_get_push_to_talk_delay(obs_source_t *source);
EXPORT void obs_source_set_push_to_talk_delay(obs_source_t *source,
uint64_t delay);
typedef void (*obs_source_audio_capture_t)(void *param, obs_source_t *source,
const struct audio_data *audio_data, bool muted);
EXPORT void obs_source_add_audio_capture_callback(obs_source_t *source,
obs_source_audio_capture_t callback, void *param);
EXPORT void obs_source_remove_audio_capture_callback(obs_source_t *source,
obs_source_audio_capture_t callback, void *param);
/* ------------------------------------------------------------------------- */
/* Functions used by sources */