int audio_output_open(audio_t *audio, media_t media, struct audio_info *info) { struct audio_output *out; if (!valid_audio_params(info)) return AUDIO_OUTPUT_INVALIDPARAM; out = bmalloc(sizeof(struct audio_output)); memset(out, 0, sizeof(struct audio_output)); memcpy(&out->info, info, sizeof(struct audio_info)); pthread_mutex_init_value(&out->line_mutex); out->media = media; out->block_size = get_audio_channels(info->speakers) * get_audio_bytes_per_channel(info->format); if (pthread_mutex_init(&out->line_mutex, NULL) != 0) goto fail; if (event_init(&out->stop_event, true) != 0) goto fail; if (!ao_add_to_media(out)) goto fail; if (pthread_create(&out->thread, NULL, audio_thread, out) != 0) goto fail; out->initialized = true; *audio = out; return AUDIO_OUTPUT_SUCCESS; fail: audio_output_close(out); return AUDIO_OUTPUT_FAIL; }
int audio_output_open(audio_t *audio, struct audio_output_info *info) { struct audio_output *out; pthread_mutexattr_t attr; bool planar = is_audio_planar(info->format); if (!valid_audio_params(info)) return AUDIO_OUTPUT_INVALIDPARAM; out = bzalloc(sizeof(struct audio_output)); if (!out) goto fail; memcpy(&out->info, info, sizeof(struct audio_output_info)); pthread_mutex_init_value(&out->line_mutex); out->channels = get_audio_channels(info->speakers); out->planes = planar ? out->channels : 1; out->block_size = (planar ? 1 : out->channels) * get_audio_bytes_per_channel(info->format); if (pthread_mutexattr_init(&attr) != 0) goto fail; if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) != 0) goto fail; if (pthread_mutex_init(&out->line_mutex, &attr) != 0) goto fail; if (pthread_mutex_init(&out->input_mutex, NULL) != 0) goto fail; if (os_event_init(&out->stop_event, OS_EVENT_TYPE_MANUAL) != 0) goto fail; if (pthread_create(&out->thread, NULL, audio_thread, out) != 0) goto fail; out->initialized = true; *audio = out; return AUDIO_OUTPUT_SUCCESS; fail: audio_output_close(out); return AUDIO_OUTPUT_FAIL; }