void AudioOutputPulseAudio::WriteAudio(uchar *aubuf, int size)
{
QString fn_log_tag = "WriteAudio, ";
pa_stream_state_t sstate = pa_stream_get_state(pstream);
VBAUDIOTS(fn_log_tag + QString("writing %1 bytes").arg(size));
/* NB This "if" check can be replaced with PA_STREAM_IS_GOOD() in
PulseAudio API from 0.9.11. As 0.9.10 is still widely used
we use the more verbose version for now */
if (sstate == PA_STREAM_CREATING || sstate == PA_STREAM_READY)
{
int write_status = PA_ERR_INVALID;
size_t to_write = size;
unsigned char *buf_ptr = aubuf;
pa_threaded_mainloop_lock(mainloop);
while (to_write > 0)
{
write_status = 0;
size_t writable = pa_stream_writable_size(pstream);
if (writable > 0)
{
size_t write = min(to_write, writable);
write_status = pa_stream_write(pstream, buf_ptr, write,
NULL, 0, PA_SEEK_RELATIVE);
if (0 != write_status)
break;
buf_ptr += write;
to_write -= write;
}
else
{
pa_threaded_mainloop_wait(mainloop);
}
}
pa_threaded_mainloop_unlock(mainloop);
if (to_write > 0)
{
if (write_status != 0)
VBERROR(fn_log_tag + QString("stream write failed: %1")
.arg(write_status == PA_ERR_BADSTATE
? "PA_ERR_BADSTATE"
: "PA_ERR_INVALID"));
VBERROR(fn_log_tag + QString("short write, %1 of %2")
.arg(size - to_write).arg(size));
}
}
else
VBERROR(fn_log_tag + QString("stream state not good: %1")
.arg(sstate,0,16));
}
void AudioOutputPulseAudio::WriteAudio(uchar *aubuf, int size)
{
QString fn_log_tag = "WriteAudio, ";
pa_stream_state_t sstate = pa_stream_get_state(pstream);
// Do not write anything to pulse server if we are in pause mode
if (IsPaused())
return;
VBAUDIOTS(fn_log_tag + QString("writing %1 bytes").arg(size));
/* NB This "if" check can be replaced with PA_STREAM_IS_GOOD() in
PulseAudio API from 0.9.11. As 0.9.10 is still widely used
we use the more verbose version for now */
if (sstate == PA_STREAM_CREATING || sstate == PA_STREAM_READY)
{
int write_status = PA_ERR_INVALID;
size_t write;
size_t writable;
size_t to_write = size;
unsigned char *buf_ptr = aubuf;
pa_context_state_t cstate;
pa_threaded_mainloop_lock(mainloop);
while (to_write > 0)
{
write_status = 0;
writable = pa_stream_writable_size(pstream);
if (writable > 0)
{
write = min(to_write, writable);
write_status = pa_stream_write(pstream, buf_ptr, write,
NULL, 0, PA_SEEK_RELATIVE);
if (!write_status)
{
buf_ptr += write;
to_write -= write;
}
else
break;
}
else if (writable < 0)
break;
else // writable == 0
pa_threaded_mainloop_wait(mainloop);
}
pa_threaded_mainloop_unlock(mainloop);
if (to_write > 0)
{
if (writable < 0)
{
cstate = pa_context_get_state(pcontext);
sstate = pa_stream_get_state(pstream);
VBERROR(fn_log_tag +
QString("stream unfit for writing (writable < 0), "
"context state: %1, stream state: %2")
.arg(cstate,0,16).arg(sstate,0,16));
}
if (write_status != 0)
VBERROR(fn_log_tag + QString("stream write failed: %1")
.arg(write_status == PA_ERR_BADSTATE
? "PA_ERR_BADSTATE"
: "PA_ERR_INVALID"));
VBERROR(fn_log_tag + QString("short write, %1 of %2")
.arg(size - to_write).arg(size));
}
}
else
VBERROR(fn_log_tag + QString("stream state not good: %1")
.arg(sstate,0,16));
}