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bluez5: fix ldac stuttering

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Signed-off-by: Huang-Huang Bao <eh5@sokka.cn>
This commit is contained in:
Huang-Huang Bao 2020-12-17 02:29:04 +08:00
parent 1636e08368
commit 30755c4a44
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GPG key ID: 33C3271387A13D1B
2 changed files with 28 additions and 9 deletions
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19
spa/plugins/bluez5/a2dp-sink.c
View file

@ -346,16 +346,18 @@ static int send_buffer(struct impl *this)
written = send(this->flush_source.fd, this->buffer, this->buffer_used, MSG_DONTWAIT | MSG_NOSIGNAL);
reset_buffer(this);
spa_log_debug(this->log, NAME " %p: send %d: %m", this, written);
if (written < 0)
spa_log_debug(this->log, NAME " %p: send %d", this, written);
if (written < 0) {
spa_log_debug(this->log, NAME " %p: %m", this);
return -errno;
}
return written;
}
static bool need_flush(struct impl *this)
{
return (this->frame_count + 1 >= this->num_blocks);
return (this->frame_count >= this->num_blocks);
}
static int encode_buffer(struct impl *this, const void *data, uint32_t size)
@ -411,7 +413,7 @@ static int encode_buffer(struct impl *this, const void *data, uint32_t size)
static int flush_buffer(struct impl *this, bool force)
{
spa_log_trace(this->log, NAME" %p: used:%d num_blocks:%d block_size%d", this,
spa_log_trace(this->log, NAME" %p: used:%d num_blocks:%d block_size:%d", this,
this->buffer_used, this->num_blocks, this->block_size);
if (force || need_flush(this))
@ -448,11 +450,12 @@ static void enable_flush(struct impl *this, bool enabled)
static int flush_data(struct impl *this, uint64_t now_time)
{
int written;
uint32_t total_frames;
uint32_t total_frames, iter_buffer_used;
struct port *port = &this->port;
total_frames = 0;
again:
iter_buffer_used = this->buffer_used;
while (!spa_list_is_empty(&port->ready)) {
uint8_t *src;
uint32_t n_bytes, n_frames;
@ -510,6 +513,12 @@ again:
spa_log_trace(this->log, NAME " %p: written %u frames", this, total_frames);
}
iter_buffer_used = this->buffer_used - iter_buffer_used;
if (written > 0 && iter_buffer_used == 0) {
enable_flush(this, false);
return 0;
}
written = flush_buffer(this, true);
if (written == -EAGAIN) {
spa_log_trace(this->log, NAME" %p: delay flush", this);