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libobs: Fix texture-based encoder decklock 

Ensures that there are no textures being encoded before attempting to
shut down a texture-based encoder.
master
jp9000 2019-02-10 21:53:24 -08:00
parent c284d26163
commit b029453d30
3 changed files with 15 additions and 0 deletions
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1
libobs/obs-internal.h
View File

@ -271,6 +271,7 @@ struct obs_core_video {
struct circlebuf gpu_encoder_avail_queue;
DARRAY(obs_encoder_t *) gpu_encoders;
os_sem_t *gpu_encode_semaphore;
os_event_t *gpu_encode_inactive;
pthread_t gpu_encode_thread;
bool gpu_encode_thread_initialized;
volatile bool gpu_encode_stop;

12
libobs/obs-video-gpu-encode.c
View File

@ -44,6 +44,8 @@ static void *gpu_encode_thread(void *unused)
continue;
}
os_event_reset(video->gpu_encode_inactive);
/* -------------- */
pthread_mutex_lock(&video->gpu_encoder_mutex);
@ -128,6 +130,8 @@ static void *gpu_encode_thread(void *unused)
}
pthread_mutex_unlock(&video->gpu_encoder_mutex);
os_event_signal(video->gpu_encode_inactive);
}
da_free(encoders);
@ -168,10 +172,14 @@ bool init_gpu_encoding(struct obs_core_video *video)
if (os_sem_init(&video->gpu_encode_semaphore, 0) != 0)
return false;
if (os_event_init(&video->gpu_encode_inactive, OS_EVENT_TYPE_MANUAL) != 0)
return false;
if (pthread_create(&video->gpu_encode_thread, NULL,
gpu_encode_thread, NULL) != 0)
return false;
os_event_signal(video->gpu_encode_inactive);
video->gpu_encode_thread_initialized = true;
return true;
#else
@ -196,6 +204,10 @@ void free_gpu_encoding(struct obs_core_video *video)
os_sem_destroy(video->gpu_encode_semaphore);
video->gpu_encode_semaphore = NULL;
}
if (video->gpu_encode_inactive) {
os_event_destroy(video->gpu_encode_inactive);
video->gpu_encode_inactive = NULL;
}
#define free_circlebuf(x) \
do { \

2
libobs/obs.c
View File

@ -2365,6 +2365,8 @@ void stop_gpu_encode(obs_encoder_t *encoder)
call_free = true;
pthread_mutex_unlock(&video->gpu_encoder_mutex);
os_event_wait(video->gpu_encode_inactive);
if (call_free) {
stop_gpu_encoding_thread(video);