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Use correct buffer size in Pulse.

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This commit is contained in:
Themaister 2013-05-27 00:56:13 +02:00
parent 823b9a6a5d
commit 4dd117b5ab
1 changed files with 19 additions and 2 deletions
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21
audio/pulse.c
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@ -103,6 +103,13 @@ static void stream_latency_update_cb(pa_stream *s, void *data)
pa_threaded_mainloop_signal(pa->mainloop, 0);
}
static void underrun_update_cb(pa_stream *s, void *data)
{
(void)s;
(void)data;
RARCH_LOG("[PulseAudio]: Underrun!\n");
}
static void *pulse_init(const char *device, unsigned rate, unsigned latency)
{
pa_sample_spec spec;
@ -146,6 +153,7 @@ static void *pulse_init(const char *device, unsigned rate, unsigned latency)
pa_stream_set_state_callback(pa->stream, stream_state_cb, pa);
pa_stream_set_write_callback(pa->stream, stream_request_cb, pa);
pa_stream_set_latency_update_callback(pa->stream, stream_latency_update_cb, pa);
pa_stream_set_underflow_callback(pa->stream, underrun_update_cb, pa);
buffer_attr.maxlength = -1;
buffer_attr.tlength = pa_usec_to_bytes(latency * PA_USEC_PER_MSEC, &spec);
@ -153,8 +161,6 @@ static void *pulse_init(const char *device, unsigned rate, unsigned latency)
buffer_attr.minreq = -1;
buffer_attr.fragsize = -1;
pa->buffer_size = buffer_attr.tlength;
if (pa_stream_connect_playback(pa->stream, NULL, &buffer_attr, PA_STREAM_ADJUST_LATENCY, NULL, NULL) < 0)
goto error;
@ -163,6 +169,17 @@ static void *pulse_init(const char *device, unsigned rate, unsigned latency)
if (pa_stream_get_state(pa->stream) != PA_STREAM_READY)
goto unlock_error;
const pa_buffer_attr *server_attr = pa_stream_get_buffer_attr(pa->stream);
if (server_attr)
{
pa->buffer_size = server_attr->tlength;
RARCH_LOG("[PulseAudio]: Requested %u bytes buffer, got %u.\n",
(unsigned)buffer_attr.tlength,
(unsigned)pa->buffer_size);
}
else
pa->buffer_size = buffer_attr.tlength;
pa_threaded_mainloop_unlock(pa->mainloop);
return pa;