mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 08:12:17 +00:00
ao_opensles: do one buffer only
Doing two buffers causes stutters upon (re)start of playback on Android O for all kinds of sinks.
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parent
596f66cccf
commit
5a8c48fde2
@ -35,7 +35,7 @@ struct priv {
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SLBufferQueueItf buffer_queue;
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SLEngineItf engine;
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SLPlayItf play;
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char *curbuf, *buf1, *buf2;
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char *buf;
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size_t buffer_size;
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pthread_mutex_t buffer_lock;
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double audio_latency;
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@ -70,9 +70,8 @@ static void uninit(struct ao *ao)
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pthread_mutex_destroy(&p->buffer_lock);
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free(p->buf1);
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free(p->buf2);
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p->curbuf = p->buf1 = p->buf2 = NULL;
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free(p->buf);
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p->buf = NULL;
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p->buffer_size = 0;
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}
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@ -88,17 +87,15 @@ static void buffer_callback(SLBufferQueueItf buffer_queue, void *context)
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pthread_mutex_lock(&p->buffer_lock);
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data[0] = p->curbuf;
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data[0] = p->buf;
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delay = 2 * p->buffer_size / (double)ao->bps;
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delay += p->audio_latency;
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ao_read_data(ao, data, p->buffer_size / ao->sstride,
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mp_time_us() + 1000000LL * delay);
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res = (*buffer_queue)->Enqueue(buffer_queue, p->curbuf, p->buffer_size);
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res = (*buffer_queue)->Enqueue(buffer_queue, p->buf, p->buffer_size);
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if (res != SL_RESULT_SUCCESS)
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MP_ERR(ao, "Failed to Enqueue: %d\n", res);
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else
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p->curbuf = (p->curbuf == p->buf1) ? p->buf2 : p->buf1;
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pthread_mutex_unlock(&p->buffer_lock);
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}
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@ -133,7 +130,7 @@ static int init(struct ao *ao)
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CHK((*p->output_mix)->Realize(p->output_mix, SL_BOOLEAN_FALSE));
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locator_buffer_queue.locatorType = SL_DATALOCATOR_BUFFERQUEUE;
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locator_buffer_queue.numBuffers = 2;
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locator_buffer_queue.numBuffers = 1;
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pcm.formatType = SL_DATAFORMAT_PCM;
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pcm.numChannels = 2;
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@ -168,10 +165,8 @@ static int init(struct ao *ao)
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ao->device_buffer = ao->samplerate * DEFAULT_BUFFER_SIZE_MS / 1000;
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p->buffer_size = ao->device_buffer * ao->channels.num *
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af_fmt_to_bytes(ao->format);
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p->buf1 = calloc(1, p->buffer_size);
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p->buf2 = calloc(1, p->buffer_size);
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p->curbuf = p->buf1;
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if (!p->buf1 || !p->buf2) {
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p->buf = calloc(1, p->buffer_size);
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if (!p->buf) {
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MP_ERR(ao, "Failed to allocate device buffer\n");
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goto error;
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}
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@ -243,8 +238,6 @@ static void reset(struct ao *ao)
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static void resume(struct ao *ao)
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{
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struct priv *p = ao->priv;
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// enqueue two buffers
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buffer_callback(p->buffer_queue, ao);
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buffer_callback(p->buffer_queue, ao);
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}
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