libretro/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch.git synced 2024-10-08 23:23:27 +00:00
Code Issues Actions 23 Packages Projects Releases Wiki Activity

Fixups in pulse.

Browse Source 
Add proper pause/unpause, and improve pa_write().
This commit is contained in:
Themaister 2013-06-02 22:55:28 +02:00
parent 5845530976
commit de01d42cd8
1 changed files with 49 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
audio/pulse.c
View File

@ -27,8 +27,9 @@ typedef struct
pa_threaded_mainloop *mainloop;
pa_context *context;
pa_stream *stream;
bool nonblock;
size_t buffer_size;
bool nonblock;
bool success;
} pa_t;
static void pulse_free(void *data)
@ -58,6 +59,14 @@ static void pulse_free(void *data)
}
}
static void stream_success_cb(pa_stream *s, int success, void *data)
{
(void)s;
pa_t *pa = (pa_t*)data;
pa->success = success;
pa_threaded_mainloop_signal(pa->mainloop, 0);
}
static void context_state_cb(pa_context *c, void *data)
{
pa_t *pa = (pa_t*)data;
@ -191,40 +200,61 @@ error:
return NULL;
}
static ssize_t pulse_write(void *data, const void *buf, size_t size)
static ssize_t pulse_write(void *data, const void *buf_, size_t size)
{
pa_t *pa = (pa_t*)data;
const uint8_t *buf = (const uint8_t*)buf_;
size_t written = 0;
pa_threaded_mainloop_lock(pa->mainloop);
size_t length = pa_stream_writable_size(pa->stream);
pa_threaded_mainloop_unlock(pa->mainloop);
while (length < size && !pa->nonblock)
while (size)
{
pa_threaded_mainloop_lock(pa->mainloop);
pa_threaded_mainloop_wait(pa->mainloop);
length = pa_stream_writable_size(pa->stream);
pa_threaded_mainloop_unlock(pa->mainloop);
size_t writable = pa_stream_writable_size(pa->stream);
writable = min(size, writable);
if (writable)
{
pa_stream_write(pa->stream, buf, writable, NULL, 0, PA_SEEK_RELATIVE);
buf += writable;
size -= writable;
written += writable;
}
else if (!pa->nonblock)
pa_threaded_mainloop_wait(pa->mainloop);
else
break;
}
size_t write_size = min(length, size);
pa_threaded_mainloop_lock(pa->mainloop);
pa_stream_write(pa->stream, buf, write_size, NULL, 0LL, PA_SEEK_RELATIVE);
pa_threaded_mainloop_unlock(pa->mainloop);
return write_size;
return written;
}
static bool pulse_stop(void *data)
{
(void)data;
return true;
RARCH_LOG("[PulseAudio]: Pausing.\n");
pa_t *pa = (pa_t*)data;
pa->success = true; // In case of spurious wakeup. Not critical.
pa_threaded_mainloop_lock(pa->mainloop);
pa_stream_cork(pa->stream, true, stream_success_cb, pa);
pa_threaded_mainloop_wait(pa->mainloop);
bool ret = pa->success;
pa_threaded_mainloop_unlock(pa->mainloop);
return ret;
}
static bool pulse_start(void *data)
{
(void)data;
return true;
RARCH_LOG("[PulseAudio]: Unpausing.\n");
pa_t *pa = (pa_t*)data;
pa->success = true; // In case of spurious wakeup. Not critical.
pa_threaded_mainloop_lock(pa->mainloop);
pa_stream_cork(pa->stream, false, stream_success_cb, pa);
pa_threaded_mainloop_wait(pa->mainloop);
bool ret = pa->success;
pa_threaded_mainloop_unlock(pa->mainloop);
return ret;
}
static void pulse_set_nonblock_state(void *data, bool state)