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libobs: Deactivate unnecessary GPU ops when not encoding

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Reduces GPU usage when encoding is not active.  Does not perform color
conversion, frame staging, or frame downloading unless encoding is
explicitly active.
This commit is contained in:
jp9000
2018-01-31 18:54:36 -08:00
parent 47d920e9a2
commit 45b5291530
5 changed files with 71 additions and 23 deletions
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18
libobs/obs.c
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@@ -2071,3 +2071,21 @@ uint32_t obs_get_lagged_frames(void)
{
return obs ? obs->video.lagged_frames : 0;
}
void start_raw_video(video_t *v, const struct video_scale_info *conversion,
void (*callback)(void *param, struct video_data *frame),
void *param)
{
struct obs_core_video *video = &obs->video;
os_atomic_inc_long(&video->raw_active);
video_output_connect(v, conversion, callback, param);
}
void stop_raw_video(video_t *v,
void (*callback)(void *param, struct video_data *frame),
void *param)
{
struct obs_core_video *video = &obs->video;
os_atomic_dec_long(&video->raw_active);
video_output_disconnect(v, callback, param);
}