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);
while (size)
{
size_t writable = MIN(size, pa_stream_writable_size(pa->stream));
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;
}
pa_threaded_mainloop_unlock(pa->mainloop);
return written;
}
static int outstream_start_pa(struct SoundIoPrivate *si, struct SoundIoOutStreamPrivate *os) {
struct SoundIoOutStream *outstream = &os->pub;
struct SoundIoPulseAudio *sipa = &si->backend_data.pulseaudio;
struct SoundIoOutStreamPulseAudio *ospa = &os->backend_data.pulseaudio;
pa_threaded_mainloop_lock(sipa->main_loop);
ospa->write_byte_count = pa_stream_writable_size(ospa->stream);
int frame_count = ospa->write_byte_count / outstream->bytes_per_frame;
outstream->write_callback(outstream, 0, frame_count);
pa_operation *op = pa_stream_cork(ospa->stream, false, NULL, NULL);
if (!op) {
pa_threaded_mainloop_unlock(sipa->main_loop);
return SoundIoErrorStreaming;
}
pa_operation_unref(op);
pa_stream_set_write_callback(ospa->stream, playback_stream_write_callback, os);
pa_stream_set_underflow_callback(ospa->stream, playback_stream_underflow_callback, outstream);
pa_stream_set_overflow_callback(ospa->stream, playback_stream_underflow_callback, outstream);
pa_threaded_mainloop_unlock(sipa->main_loop);
return 0;
}
static void pulse_write(void* ptr, int length) {
int writeoffs, remain, writable;
CHECK_CONNECTED();
pa_threaded_mainloop_lock(mainloop);
CHECK_DEAD_GOTO(fail, 1);
/* break large fragments into smaller fragments. --nenolod */
for (writeoffs = 0, remain = length;
writeoffs < length;
writeoffs += writable, remain -= writable)
{
void * pptr = (char *) ptr + writeoffs;
writable = length - writeoffs;
size_t fragsize = pa_stream_writable_size(stream);
/* don't write more than what PA is willing to handle right now. */
if (writable > fragsize)
writable = fragsize;
if (pa_stream_write(stream, pptr, writable, NULL, PA_SEEK_RELATIVE, 0) < 0) {
AUDDBG("pa_stream_write() failed: %s", pa_strerror(pa_context_errno(context)));
goto fail;
}
}
do_trigger = 0;
written += length;
fail:
pa_threaded_mainloop_unlock(mainloop);
}
int AudioOutputPulseAudio::GetBufferedOnSoundcard(void) const
{
pa_usec_t latency = 0;
size_t buffered = 0;
if (!pcontext || pa_context_get_state(pcontext) != PA_CONTEXT_READY)
return 0;
if (!pstream || pa_stream_get_state(pstream) != PA_STREAM_READY)
return 0;
const pa_buffer_attr *buf_attr = pa_stream_get_buffer_attr(pstream);
size_t bfree = pa_stream_writable_size(pstream);
buffered = buf_attr->tlength - bfree;
pa_threaded_mainloop_lock(mainloop);
while (pa_stream_get_latency(pstream, &latency, NULL) < 0)
{
if (pa_context_errno(pcontext) != PA_ERR_NODATA)
{
latency = 0;
break;
}
pa_threaded_mainloop_wait(mainloop);
}
pa_threaded_mainloop_unlock(mainloop);
return ((uint64_t)latency * samplerate *
output_bytes_per_frame / 1000000) + buffered;
}
/** Return number of bytes that may be written to the server without blocking */
static int get_space(void) {
size_t l;
pa_threaded_mainloop_lock(mainloop);
l = pa_stream_writable_size(stream);
pa_threaded_mainloop_unlock(mainloop);
return l;
}
unsigned int CPulseAEStream::AddData(void *data, unsigned int size)
{
if (!m_Initialized)
return size;
pa_threaded_mainloop_lock(m_MainLoop);
int length = std::min((int)pa_stream_writable_size(m_Stream), (int)size);
if (length == 0)
{
pa_threaded_mainloop_unlock(m_MainLoop);
return 0;
}
int written = pa_stream_write(m_Stream, data, length, NULL, 0, PA_SEEK_RELATIVE);
pa_threaded_mainloop_unlock(m_MainLoop);
if (written < 0)
{
CLog::Log(LOGERROR, "PulseAudio: AddPackets - pa_stream_write failed\n");
return 0;
}
return length;
}
unsigned long SoundGetBytesBuffered (void)
{
int free_space;
int error_code;
long latency;
int playing = 0;
if ((device.mainloop == NULL) || (device.api == NULL) || ( device.context == NULL) || (device.stream == NULL))
return SOUNDSIZE;
pa_threaded_mainloop_lock (device.mainloop);
free_space = pa_stream_writable_size (device.stream);
pa_threaded_mainloop_unlock (device.mainloop);
//fprintf (stderr, "Free space: %d\n", free_space);
//fprintf (stderr, "Used space: %d\n", maxlength - free_space);
if (free_space < mixlen * 3)
{
// Don't buffer anymore, just play
//fprintf (stderr, "Not buffering.\n");
return SOUNDSIZE;
}
else
{
// Buffer some sound
//fprintf (stderr, "Buffering.\n");
return 0;
}
}
unsigned int CAESinkPULSE::AddPackets(uint8_t **data, unsigned int frames, unsigned int offset)
{
if (!m_IsAllocated)
return 0;
if (m_IsStreamPaused)
{
Pause(false);
}
pa_threaded_mainloop_lock(m_MainLoop);
unsigned int available = frames * m_format.m_frameSize;
unsigned int length = 0;
void *buffer = data[0]+offset*m_format.m_frameSize;
// care a bit for fragmentation
while ((length = pa_stream_writable_size(m_Stream)) < m_periodSize)
pa_threaded_mainloop_wait(m_MainLoop);
length = std::min((unsigned int)length, available);
int error = pa_stream_write(m_Stream, buffer, length, NULL, 0, PA_SEEK_RELATIVE);
pa_threaded_mainloop_unlock(m_MainLoop);
if (error)
{
CLog::Log(LOGERROR, "CPulseAudioDirectSound::AddPackets - pa_stream_write failed\n");
return 0;
}
unsigned int res = (unsigned int)(length / m_format.m_frameSize);
return res;
}
static size_t pulse_write_avail(void *data)
{
pa_t *pa = (pa_t*)data;
pa_threaded_mainloop_lock(pa->mainloop);
size_t length = pa_stream_writable_size(pa->stream);
pa_threaded_mainloop_unlock(pa->mainloop);
return length;
}
// Return number of bytes that may be written to the server without blocking
static int get_space(struct ao *ao)
{
struct priv *priv = ao->priv;
pa_threaded_mainloop_lock(priv->mainloop);
size_t space = pa_stream_writable_size(priv->stream);
pa_threaded_mainloop_unlock(priv->mainloop);
return space;
}
static int
rdpsnd_pulse_play(rdpsndDevicePlugin * devplugin, char * data, int size)
{
struct pulse_device_data * pulse_data;
int len;
int ret;
uint8 * decoded_data;
char * src;
int decoded_size;
pulse_data = (struct pulse_device_data *) devplugin->device_data;
if (!pulse_data->stream)
return 1;
if (pulse_data->format == 0x11)
{
decoded_data = pulse_data->pDecodeImaAdpcm(&pulse_data->adpcm,
(uint8 *) data, size, pulse_data->sample_spec.channels, pulse_data->block_size, &decoded_size);
size = decoded_size;
src = (char *) decoded_data;
}
else
{
decoded_data = NULL;
src = data;
}
LLOGLN(10, ("rdpsnd_pulse_play: size %d", size));
pa_threaded_mainloop_lock(pulse_data->mainloop);
while (size > 0)
{
while ((len = pa_stream_writable_size(pulse_data->stream)) == 0)
{
LLOGLN(10, ("rdpsnd_pulse_play: waiting"));
pa_threaded_mainloop_wait(pulse_data->mainloop);
}
if (len < 0)
break;
if (len > size)
len = size;
ret = pa_stream_write(pulse_data->stream, src, len, NULL, 0LL, PA_SEEK_RELATIVE);
if (ret < 0)
{
LLOGLN(0, ("rdpsnd_pulse_play: pa_stream_write failed (%d)",
pa_context_errno(pulse_data->context)));
break;
}
src += len;
size -= len;
}
pa_threaded_mainloop_unlock(pulse_data->mainloop);
if (decoded_data)
free(decoded_data);
return 0;
}
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));
}
static void underrun_update_cb(pa_stream *s, void *data)
{
pa_t *pa = (pa_t*)data;
(void)s;
RARCH_LOG("[PulseAudio]: Underrun (Buffer: %u, Writable size: %u).\n",
(unsigned)pa->buffer_size,
(unsigned)pa_stream_writable_size(pa->stream));
}
/** Return number of bytes that may be written to the server without blocking */
static int get_space(void) {
uint32_t l;
assert(stream && context && pa_stream_get_state(stream) == PA_STREAM_READY);
keep_alive();
l = pa_stream_writable_size(stream);
return l;
}
unsigned int CPulseAEStream::GetSpace()
{
if (!m_Initialized)
return 0;
pa_threaded_mainloop_lock(m_MainLoop);
unsigned int size = pa_stream_writable_size(m_Stream);
pa_threaded_mainloop_unlock(m_MainLoop);
return size;
}
static void
stream_write_callback(pa_stream *s, size_t length, void *userdata)
{
decoder_t *d = userdata;
media_pipe_t *mp = d->ad.ad_mp;
int writable = pa_stream_writable_size(d->s);
if(writable && d->blocked) {
d->blocked = 0;
mp_send_cmd(mp, &mp->mp_audio, MB_CTRL_UNBLOCK);
}
}
static int pulse_free(void) {
ENTER(__FUNCTION__);
size_t l = 0;
pa_operation *o = NULL;
CHECK_CONNECTED(0);
SHOW("pulse_free: %s (call)\n", "pa_threaded_main_loop_lock");
pa_threaded_mainloop_lock(mainloop);
CHECK_DEAD_GOTO(fail, 1);
if ((l = pa_stream_writable_size(stream)) == (size_t) -1) {
SHOW("pa_stream_writable_size() failed: %s", pa_strerror(pa_context_errno(context)));
l = 0;
goto fail;
}
SHOW("pulse_free: %s (ret=%d)\n", "pa_stream_writable_size", l);
/* If this function is called twice with no pulse_write() call in
* between this means we should trigger the playback */
if (do_trigger) {
int success = 0;
SHOW("pulse_free: %s (call)\n", "pa_stream_trigger");
if (!(o = pa_stream_trigger(stream, stream_success_cb, &success))) {
SHOW("pa_stream_trigger() failed: %s", pa_strerror(pa_context_errno(context)));
goto fail;
}
SHOW("pulse_free: %s (call)\n", "pa_threaded_main_loop");
while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
CHECK_DEAD_GOTO(fail, 1);
pa_threaded_mainloop_wait(mainloop);
}
SHOW("pulse_free: %s (ret)\n", "pa_threaded_main_loop");
if (!success)
SHOW("pa_stream_trigger() failed: %s", pa_strerror(pa_context_errno(context)));
}
fail:
SHOW("pulse_free: %s (call)\n", "pa_operation_unref");
if (o)
pa_operation_unref(o);
SHOW("pulse_free: %s (call)\n", "pa_threaded_main_loop_unlock");
pa_threaded_mainloop_unlock(mainloop);
do_trigger = !!l;
SHOW("pulse_free: %d (ret)\n", (int)l);
return (int) l;
}
static size_t pulse_write_avail(void *data)
{
size_t length;
pa_t *pa = (pa_t*)data;
pa_threaded_mainloop_lock(pa->mainloop);
length = pa_stream_writable_size(pa->stream);
audio_driver_set_buffer_size(pa->buffer_size); /* Can change spuriously. */
pa_threaded_mainloop_unlock(pa->mainloop);
return length;
}
static void rdpsnd_pulse_play(rdpsndDevicePlugin* device, uint8* data, int size)
{
rdpsndPulsePlugin* pulse = (rdpsndPulsePlugin*)device;
int len;
int ret;
uint8* decoded_data;
uint8* src;
int decoded_size;
if (!pulse->stream)
return;
if (pulse->format == 0x11)
{
decoded_data = dsp_decode_ima_adpcm(&pulse->adpcm,
data, size, pulse->sample_spec.channels, pulse->block_size, &decoded_size);
size = decoded_size;
src = decoded_data;
}
else
{
decoded_data = NULL;
src = data;
}
pa_threaded_mainloop_lock(pulse->mainloop);
while (size > 0)
{
while ((len = pa_stream_writable_size(pulse->stream)) == 0)
{
pa_threaded_mainloop_wait(pulse->mainloop);
}
if (len < 0)
break;
if (len > size)
len = size;
ret = pa_stream_write(pulse->stream, src, len, NULL, 0LL, PA_SEEK_RELATIVE);
if (ret < 0)
{
DEBUG_WARN("pa_stream_write failed (%d)",
pa_context_errno(pulse->context));
break;
}
src += len;
size -= len;
}
pa_threaded_mainloop_unlock(pulse->mainloop);
if (decoded_data)
xfree(decoded_data);
}
gboolean xmms_pulse_backend_write (xmms_pulse *p, const char *data,
size_t length, int *rerror)
{
assert (p);
if (!data || !length) {
if (rerror)
*rerror = PA_ERR_INVALID;
return FALSE;
}
pa_threaded_mainloop_lock (p->mainloop);
if (!check_pulse_health (p, rerror))
goto unlock_and_fail;
while (length > 0) {
size_t buf_len;
int ret;
while (!(buf_len = pa_stream_writable_size (p->stream))) {
pa_threaded_mainloop_wait (p->mainloop);
if (!check_pulse_health (p, rerror))
goto unlock_and_fail;
}
if (buf_len == (size_t)-1) {
if (rerror)
*rerror = pa_context_errno ((p)->context);
goto unlock_and_fail;
}
if (buf_len > length)
buf_len = length;
ret = pa_stream_write (p->stream, data, buf_len, NULL, 0, PA_SEEK_RELATIVE);
if (ret < 0) {
if (rerror)
*rerror = pa_context_errno ((p)->context);
goto unlock_and_fail;
}
data += buf_len;
length -= buf_len;
}
pa_threaded_mainloop_unlock (p->mainloop);
return TRUE;
unlock_and_fail:
pa_threaded_mainloop_unlock (p->mainloop);
return FALSE;
}
static ssize_t pulse_write(void *data, const void *buf, size_t size)
{
pa_t *pa = (pa_t*)data;
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)
{
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 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;
}
static PyObject* PulseAudio_play(output_PulseAudio *self, PyObject *args)
{
uint8_t *data;
#ifdef PY_SSIZE_T_CLEAN
Py_ssize_t data_len;
#else
int data_len;
#endif
if (!PyArg_ParseTuple(args, "s#", &data, &data_len))
return NULL;
/*ensure output stream is still running*/
/*FIXME*/
/*Use polling interface to push data into stream.
The callback is mostly useless
because it doesn't allow us to adjust the data length
like CoreAudio's does.*/
Py_BEGIN_ALLOW_THREADS
pa_threaded_mainloop_lock(self->mainloop);
while (data_len > 0) {
size_t writeable_len;
while ((writeable_len = pa_stream_writable_size(self->stream)) == 0) {
pa_threaded_mainloop_wait(self->mainloop);
}
if (writeable_len > (size_t)data_len)
writeable_len = data_len;
pa_stream_write(self->stream,
data,
writeable_len,
NULL,
0,
PA_SEEK_RELATIVE);
data += writeable_len;
data_len -= writeable_len;
}
pa_threaded_mainloop_unlock(self->mainloop);
Py_END_ALLOW_THREADS
Py_INCREF(Py_None);
return Py_None;
}
static void pulse_write_process(MSFilter *f){
PulseWriteState *s=(PulseWriteState*)f->data;
mblk_t *im;
while((im=ms_queue_get(f->inputs[0]))!=NULL){
int bsize=msgdsize(im);
if (s->stream){
pa_threaded_mainloop_lock(pa_loop);
if (pa_stream_writable_size(s->stream)>=bsize){
//ms_message("Pushing data to pulseaudio");
pa_stream_write(s->stream,im->b_rptr,bsize,NULL,0,PA_SEEK_RELATIVE);
}
pa_threaded_mainloop_unlock(pa_loop);
}
freemsg(im);
}
}
static void stream_write_cb(pa_stream *p, size_t nbytes, void *userdata) {
/* Just some silence */
for (;;) {
void *data;
fail_unless((nbytes = pa_stream_writable_size(p)) != (size_t) -1);
if (nbytes <= 0)
break;
fail_unless(pa_stream_begin_write(p, &data, &nbytes) == 0);
pa_memzero(data, nbytes);
fail_unless(pa_stream_write(p, data, nbytes, NULL, 0, PA_SEEK_RELATIVE) == 0);
}
}
void PulseAudioPlayer::Play(int64_t start,int64_t count)
{
//printf("Starting PulseAudio playback\n");
if (!open) OpenStream();
if (is_playing) {
// If we're already playing, do a quick "reset"
is_playing = false;
pa_threaded_mainloop_lock(mainloop);
pa_operation *op = pa_stream_flush(stream, (pa_stream_success_cb_t)pa_stream_success, this);
pa_threaded_mainloop_unlock(mainloop);
stream_success.Wait();
pa_operation_unref(op);
if (!stream_success_val) {
paerror = pa_context_errno(context);
printf("PulseAudio player: Error flushing stream: %s (%d)\n", pa_strerror(paerror), paerror);
}
}
start_frame = start;
cur_frame = start;
end_frame = start + count;
//printf("start=%lu end=%lu\n", start_frame, end_frame);
is_playing = true;
play_start_time = 0;
pa_threaded_mainloop_lock(mainloop);
paerror = pa_stream_get_time(stream, (pa_usec_t*) &play_start_time);
pa_threaded_mainloop_unlock(mainloop);
if (paerror) {
printf("PulseAudio player: Error getting stream time: %s (%d)\n", pa_strerror(paerror), paerror);
}
PulseAudioPlayer::pa_stream_write(stream, pa_stream_writable_size(stream), this);
pa_threaded_mainloop_lock(mainloop);
pa_operation *op = pa_stream_trigger(stream, (pa_stream_success_cb_t)pa_stream_success, this);
pa_threaded_mainloop_unlock(mainloop);
stream_success.Wait();
pa_operation_unref(op);
if (!stream_success_val) {
paerror = pa_context_errno(context);
printf("PulseAudio player: Error triggering stream: %s (%d)\n", pa_strerror(paerror), paerror);
}
}
static
void
deh_stream_first_readwrite_callback(pa_mainloop_api *api, pa_defer_event *de, void *userdata)
{
pa_stream *s = userdata;
if (s->direction == PA_STREAM_PLAYBACK) {
size_t writable_size = pa_stream_writable_size(s);
if (s->write_cb && writable_size > 0)
s->write_cb(s, writable_size, s->write_cb_userdata);
} else if (s->direction == PA_STREAM_RECORD) {
size_t readable_size = pa_stream_readable_size(s);
if (s->read_cb && readable_size > 0)
s->read_cb(s, readable_size, s->read_cb_userdata);
}
pa_stream_unref(s);
}
void QSoundEffectPrivate::uploadSample()
{
daemon()->lock();
size_t bufferSize = qMin(pa_stream_writable_size(m_pulseStream),
size_t(m_waveDecoder->bytesAvailable()));
char buffer[bufferSize];
size_t len = 0;
while (len < (m_waveDecoder->size())) {
qint64 read = m_waveDecoder->read(buffer, qMin((int)bufferSize,
(int)(m_waveDecoder->size()-len)));
if (read > 0) {
if (pa_stream_write(m_pulseStream, buffer, size_t(read), 0, 0, PA_SEEK_RELATIVE) == 0)
len += size_t(read);
else
break;
}
}
m_dataUploaded += len;
pa_stream_set_write_callback(m_pulseStream, NULL, NULL);
if (m_waveDecoder->size() == m_dataUploaded) {
int err = pa_stream_finish_upload(m_pulseStream);
if(err != 0) {
qWarning("pa_stream_finish_upload() err=%d",err);
pa_stream_disconnect(m_pulseStream);
m_retry = true;
m_playQueued = false;
QMetaObject::invokeMethod(this, "play");
daemon()->unlock();
return;
}
m_duration = m_waveDecoder->duration();
m_waveDecoder->deleteLater();
m_stream->deleteLater();
m_sampleLoaded = true;
if (m_playQueued) {
m_playQueued = false;
QMetaObject::invokeMethod(this, "play");
}
}
daemon()->unlock();
}
static ALuint PulseProc(ALvoid *param)
{
ALCdevice *Device = param;
pulse_data *data = Device->ExtraData;
ssize_t len;
SetRTPriority();
pa_threaded_mainloop_lock(data->loop);
do {
len = (Device->Connected ? pa_stream_writable_size(data->stream) : 0);
len -= len%(Device->UpdateSize*data->frame_size);
if(len == 0)
{
pa_threaded_mainloop_wait(data->loop);
continue;
}
while(len > 0)
{
size_t newlen = len;
void *buf;
pa_free_cb_t free_func = NULL;
#if PA_CHECK_VERSION(0,9,16)
if(!pa_stream_begin_write ||
pa_stream_begin_write(data->stream, &buf, &newlen) < 0)
#endif
{
buf = pa_xmalloc(newlen);
free_func = pa_xfree;
}
pa_threaded_mainloop_unlock(data->loop);
aluMixData(Device, buf, newlen/data->frame_size);
pa_threaded_mainloop_lock(data->loop);
pa_stream_write(data->stream, buf, newlen, free_func, 0, PA_SEEK_RELATIVE);
len -= newlen;
}
} while(Device->Connected && !data->killNow);
pa_threaded_mainloop_unlock(data->loop);
return 0;
}
static int pulse_free(void) {
size_t l = 0;
pa_operation *o = NULL;
CHECK_CONNECTED(0);
pa_threaded_mainloop_lock(mainloop);
CHECK_DEAD_GOTO(fail, 1);
if ((l = pa_stream_writable_size(stream)) == (size_t) -1) {
AUDDBG("pa_stream_writable_size() failed: %s", pa_strerror(pa_context_errno(context)));
l = 0;
goto fail;
}
/* If this function is called twice with no pulse_write() call in
* between this means we should trigger the playback */
if (do_trigger) {
int success = 0;
if (!(o = pa_stream_trigger(stream, stream_success_cb, &success))) {
AUDDBG("pa_stream_trigger() failed: %s", pa_strerror(pa_context_errno(context)));
goto fail;
}
while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
CHECK_DEAD_GOTO(fail, 1);
pa_threaded_mainloop_wait(mainloop);
}
if (!success)
AUDDBG("pa_stream_trigger() failed: %s", pa_strerror(pa_context_errno(context)));
}
fail:
if (o)
pa_operation_unref(o);
pa_threaded_mainloop_unlock(mainloop);
do_trigger = !!l;
return (int) l;
}
static int
tsmf_pulse_play(ITSMFAudioDevice * audio, uint8 * data, uint32 data_size)
{
TSMFPulseAudioDevice * pulse = (TSMFPulseAudioDevice *) audio;
uint8 * src;
int len;
int ret;
LLOGLN(10, ("tsmf_pulse_play: data_size %d", data_size));
if (pulse->stream)
{
pa_threaded_mainloop_lock(pulse->mainloop);
src = data;
while (data_size > 0)
{
while ((len = pa_stream_writable_size(pulse->stream)) == 0)
{
LLOGLN(10, ("tsmf_pulse_play: waiting"));
pa_threaded_mainloop_wait(pulse->mainloop);
}
if (len < 0)
break;
if (len > data_size)
len = data_size;
ret = pa_stream_write(pulse->stream, src, len, NULL, 0LL, PA_SEEK_RELATIVE);
if (ret < 0)
{
LLOGLN(0, ("tsmf_pulse_play: pa_stream_write failed (%d)",
pa_context_errno(pulse->context)));
break;
}
src += len;
data_size -= len;
}
pa_threaded_mainloop_unlock(pulse->mainloop);
}
free(data);
return 0;
}
