int video_output_open(video_t *video, struct video_output_info *info)
{
struct video_output *out;
if (!valid_video_params(info))
return VIDEO_OUTPUT_INVALIDPARAM;
out = bzalloc(sizeof(struct video_output));
memcpy(&out->info, info, sizeof(struct video_output_info));
out->frame_time = (uint64_t)(1000000000.0 * (double)info->fps_den /
(double)info->fps_num);
out->initialized = false;
if (pthread_mutex_init(&out->data_mutex, NULL) != 0)
goto fail;
if (pthread_mutex_init(&out->input_mutex, NULL) != 0)
goto fail;
if (event_init(&out->stop_event, EVENT_TYPE_MANUAL) != 0)
goto fail;
if (event_init(&out->update_event, EVENT_TYPE_AUTO) != 0)
goto fail;
if (pthread_create(&out->thread, NULL, video_thread, out) != 0)
goto fail;
out->initialized = true;
*video = out;
return VIDEO_OUTPUT_SUCCESS;
fail:
video_output_close(out);
return VIDEO_OUTPUT_FAIL;
}
int video_output_open(video_t **video, struct video_output_info *info)
{
struct video_output *out;
pthread_mutexattr_t attr;
if (!valid_video_params(info))
return VIDEO_OUTPUT_INVALIDPARAM;
out = bzalloc(sizeof(struct video_output));
if (!out)
goto fail;
memcpy(&out->info, info, sizeof(struct video_output_info));
out->frame_time = (uint64_t)(1000000000.0 * (double)info->fps_den /
(double)info->fps_num);
out->initialized = false;
if (pthread_mutexattr_init(&attr) != 0)
goto fail;
if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) != 0)
goto fail;
if (pthread_mutex_init(&out->data_mutex, &attr) != 0)
goto fail;
if (pthread_mutex_init(&out->input_mutex, &attr) != 0)
goto fail;
if (os_sem_init(&out->update_semaphore, 0) != 0)
goto fail;
if (pthread_create(&out->thread, NULL, video_thread, out) != 0)
goto fail;
init_cache(out);
out->initialized = true;
*video = out;
return VIDEO_OUTPUT_SUCCESS;
fail:
video_output_close(out);
return VIDEO_OUTPUT_FAIL;
}
