static void stream_request_cb(pa_stream *s, size_t length, void *userdata) {
VLC_UNUSED( s );
aout_instance_t *p_aout = (aout_instance_t *)userdata;
struct aout_sys_t * p_sys = (struct aout_sys_t *) p_aout->output.p_sys;
mtime_t next_date;
assert(s);
assert(p_sys);
size_t buffer_size = p_sys->buffer_size;
PULSE_DEBUG( "Pulse stream request %d", length);
do {
aout_buffer_t * p_buffer = NULL;
if(p_sys->started) {
pa_usec_t latency;
int negative;
if(pa_stream_get_latency(p_sys->stream, &latency, &negative)<0) {
if (pa_context_errno(p_sys->context) != PA_ERR_NODATA) {
msg_Err(p_aout, "pa_stream_get_latency() failed: %s", pa_strerror(pa_context_errno(p_sys->context)));
}
latency = 0;
}
PULSE_DEBUG( "Pulse stream request latency=%"PRId64"", latency);
next_date = mdate() + latency;
if(p_sys->start_date < next_date + AOUT_PTS_TOLERANCE ) {
p_buffer = aout_OutputNextBuffer( p_aout, next_date, 0);
}
}
if ( p_buffer != NULL )
{
PULSE_DEBUG( "Pulse stream request write buffer %d", p_buffer->i_buffer);
pa_stream_write(p_sys->stream, p_buffer->p_buffer, p_buffer->i_buffer, NULL, 0, PA_SEEK_RELATIVE);
length -= p_buffer->i_buffer;
aout_BufferFree( p_buffer );
}
else
{
PULSE_DEBUG( "Pulse stream request write zeroes");
void *data = pa_xmalloc(buffer_size);
bzero(data, buffer_size);
pa_stream_write(p_sys->stream, data, buffer_size, pa_xfree, 0, PA_SEEK_RELATIVE);
length -= buffer_size;
}
} while(length > buffer_size);
pa_threaded_mainloop_signal(p_sys->mainloop, 0);
}
JNIEXPORT jint JNICALL
Java_org_jitsi_impl_neomedia_pulseaudio_PA_stream_1write
(JNIEnv *env, jclass clazz, jlong s, jbyteArray data, jint dataOffset,
jint dataLength, jobject freeCb, jlong offset, jint seek)
{
pa_stream *stream = (pa_stream *) (intptr_t) s;
jbyte *bytes = NULL;
size_t nbytes = dataLength;
int ret;
pa_stream_begin_write(stream, (void **) &bytes, &nbytes);
if (bytes && nbytes)
{
if (nbytes < dataLength)
dataLength = nbytes;
(*env)->GetByteArrayRegion(env, data, dataOffset, dataLength, bytes);
if ((*env)->ExceptionCheck(env))
ret = 0;
else
{
pa_stream_write(
stream,
bytes,
(size_t) dataLength,
NULL,
(int64_t) offset,
(pa_seek_mode_t) seek);
ret = dataLength;
}
}
else
{
bytes = (*env)->GetByteArrayElements(env, data, NULL);
if ((*env)->ExceptionCheck(env))
ret = 0;
else
{
pa_stream_write(
stream,
bytes + dataOffset,
(size_t) dataLength,
NULL,
(int64_t) offset,
(pa_seek_mode_t) seek);
(*env)->ReleaseByteArrayElements(env, data, bytes, JNI_ABORT);
ret = dataLength;
}
}
return ret;
}
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 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;
}
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;
}
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);
}
static void stream_request_cb(pa_stream *s, size_t length, void *data) {
M6502 *mpu = (M6502 *) data;
int max = 0;
redraw = 0;
pa_stream_begin_write(s, (void**) &sndbuf, &length);
memset(sndbuf, 128, length);
max = length * 6250 / 539;
if (max > 20454)
fprintf(stderr, "Cycles = %u!\n", (unsigned int) max);
cycles = 0;
while (cycles < max) {
if (trace)
M6502_disassemble(mpu);
cycles += M6502_run(mpu);
}
pa_stream_write(s, sndbuf, length, NULL, 0, PA_SEEK_RELATIVE);
redraw = 1;
}
void PulseAudioDriver::stream_write_callback(pa_stream* stream, size_t bytes, void* udata)
{
PulseAudioDriver* self = (PulseAudioDriver*)udata;
void* vdata;
pa_stream_begin_write(stream, &vdata, &bytes);
if (!vdata) return;
short* out = (short*)vdata;
unsigned num_samples = bytes / 4;
while (num_samples)
{
int n = std::min(self->m_buffer_size, num_samples);
self->m_callback(n, 0);
for (int i = 0; i < n; ++i)
{
*out++ = FLOAT_TO_SHORT(self->m_outL[i]);
*out++ = FLOAT_TO_SHORT(self->m_outR[i]);
}
num_samples -= n;
}
pa_stream_write(stream, vdata, (bytes / 4) * 4, 0, 0, PA_SEEK_RELATIVE);
}
static void audio_request_cb(pa_stream *s, size_t length, void *userdata) {
int i;
uint32_t buf[length/4];
if(pa_stream_is_corked(s)) return;
for(i=0;i<length/4;i++) {
if((offset+i-1)/ticksize != (offset+i)/ticksize) {
int ntickno=(offset+i)/ticksize;
if(ntickno!=tickno) {
g_mutex_lock(tickmutex);
tickno=ntickno;
printf("signal %u %u (%u)\n",beatno(),tickinbeat(),offset+i);
g_cond_signal(tickcond);
g_mutex_unlock(tickmutex);
}
}
int k;
int32_t v=0;
for(k=0;k<stack.len;k++) {
v=stack.action[k].f(v,stack.action+k,offset+i);
}
buf[i]=v;
}
offset+=i;
pa_stream_write(s,buf,length,0,0,PA_SEEK_RELATIVE);
}
static int outstream_end_write_pa(SoundIoPrivate *si, SoundIoOutStreamPrivate *os) {
SoundIoOutStreamPulseAudio *ospa = &os->backend_data.pulseaudio;
pa_stream *stream = ospa->stream;
if (pa_stream_write(stream, ospa->write_ptr, ospa->write_byte_count, nullptr, 0, PA_SEEK_RELATIVE))
return SoundIoErrorStreaming;
return 0;
}
static void __pulseaudio_stream_write_cb(pa_stream *stream, size_t length, void *user_data)
{
sf_count_t read_length;
short *data;
SOUND_INFO *info = NULL;
mmf_return_if_fail(user_data);
info = (SOUND_INFO *)user_data;
_mmcam_dbg_log("START");
data = pa_xmalloc(length);
read_length = (sf_count_t)(length/pa_frame_size(&(info->sample_spec)));
if ((sf_readf_short(info->infile, data, read_length)) != read_length) {
pa_xfree(data);
return;
}
pa_stream_write(stream, data, length, pa_xfree, 0, PA_SEEK_RELATIVE);
info->sample_length -= length;
if (info->sample_length <= 0) {
pa_stream_set_write_callback(info->sample_stream, NULL, NULL);
pa_stream_finish_upload(info->sample_stream);
pa_threaded_mainloop_signal(info->pulse_mainloop, 0);
_mmcam_dbg_log("send signal DONE");
}
_mmcam_dbg_log("DONE read_length %d", read_length);
}
/* Write some data to the stream */
static void do_stream_write(size_t length) {
size_t l;
pa_assert(length);
if (!buffer || !buffer_length)
return;
l = length;
if (l > buffer_length)
l = buffer_length;
if (pa_stream_write(stream, (uint8_t*) buffer + buffer_index, l, NULL, 0, PA_SEEK_RELATIVE) < 0) {
pa_log(_("pa_stream_write() failed: %s"), pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
buffer_length -= l;
buffer_index += l;
if (!buffer_length) {
pa_xfree(buffer);
buffer = NULL;
buffer_index = buffer_length = 0;
}
}
FileReader::Status FileReader::writeToStream(pa_stream *p, size_t nbytes) {
int frameSize = pa_frame_size(&m_s);
int len = qMin(nbytes, (nbytes/frameSize) * nbytes);
void *buff = pa_xmalloc(len);
if (!buff) {
qWarning() << "Failed to allocate buffer";
return StatusError;
}
sf_count_t read = sf_read_raw(m_file, buff, len);
if (pa_stream_write(p, buff, read, pa_xfree, 0, PA_SEEK_RELATIVE) < 0) {
qWarning() << "Failed to write to pulse audio stream";
pa_xfree(buff);
return StatusError;
}
m_pos += read;
if (m_pos == size()) {
// Over.
return StatusEof;
}
if (read != len) {
return StatusError;
}
return StatusOk;
}
/* This is called whenever new data may be written to the stream */
static void stream_write_callback(pa_stream *s, size_t length, void *userdata) {
pa_assert(s);
pa_assert(length > 0);
if (raw) {
pa_assert(!sndfile);
if (stdio_event)
mainloop_api->io_enable(stdio_event, PA_IO_EVENT_INPUT);
if (!buffer)
return;
do_stream_write(length);
} else {
sf_count_t bytes;
void *data;
pa_assert(sndfile);
for (;;) {
size_t data_length = length;
if (pa_stream_begin_write(s, &data, &data_length) < 0) {
pa_log(_("pa_stream_begin_write() failed: %s"), pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
if (readf_function) {
size_t k = pa_frame_size(&sample_spec);
if ((bytes = readf_function(sndfile, data, (sf_count_t) (data_length/k))) > 0)
bytes *= (sf_count_t) k;
} else
bytes = sf_read_raw(sndfile, data, (sf_count_t) data_length);
if (bytes > 0)
pa_stream_write(s, data, (size_t) bytes, NULL, 0, PA_SEEK_RELATIVE);
else
pa_stream_cancel_write(s);
/* EOF? */
if (bytes < (sf_count_t) data_length) {
start_drain();
break;
}
/* Request fulfilled */
if ((size_t) bytes >= length)
break;
length -= bytes;
}
}
}
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;
}
/** Play the specified data to the pulseaudio server */
static int play(void* data, int len, int flags) {
pa_threaded_mainloop_lock(mainloop);
if (pa_stream_write(stream, data, len, NULL, 0, PA_SEEK_RELATIVE) < 0) {
GENERIC_ERR_MSG(context, "pa_stream_write() failed");
len = -1;
}
pa_threaded_mainloop_unlock(mainloop);
return len;
}
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 int outstream_end_write_pa(SoundIoPrivate *si, SoundIoOutStreamPrivate *os) {
SoundIoOutStreamPulseAudio *ospa = &os->backend_data.pulseaudio;
pa_stream *stream = ospa->stream;
pa_seek_mode_t seek_mode = ospa->clear_buffer_flag.test_and_set() ? PA_SEEK_RELATIVE : PA_SEEK_RELATIVE_ON_READ;
if (pa_stream_write(stream, ospa->write_ptr, ospa->write_byte_count, nullptr, 0, seek_mode))
return SoundIoErrorStreaming;
return 0;
}
void PulseAudio::paCallback(pa_stream* s, size_t len, void* data)
{
PulseAudio* pa = (PulseAudio*)data;
size_t n = FRAMES * 2 * sizeof(float);
if (len > n)
len = n;
float* p = pa->buffer;
pa->seq->process(len / (2 * sizeof(float)), p);
pa_stream_write(s, p, len, NULL, 0LL, PA_SEEK_RELATIVE);
}
static int outstream_end_write_pa(struct SoundIoPrivate *si, struct SoundIoOutStreamPrivate *os) {
struct SoundIoOutStreamPulseAudio *ospa = &os->backend_data.pulseaudio;
pa_stream *stream = ospa->stream;
pa_seek_mode_t seek_mode = SOUNDIO_ATOMIC_FLAG_TEST_AND_SET(ospa->clear_buffer_flag) ? PA_SEEK_RELATIVE : PA_SEEK_RELATIVE_ON_READ;
if (pa_stream_write(stream, ospa->write_ptr, ospa->write_byte_count, NULL, 0, seek_mode))
return SoundIoErrorStreaming;
return 0;
}
void PulseAudio::paCallback(pa_stream* s, size_t len, void* data)
{
PulseAudio* pa = (PulseAudio*)data;
constexpr size_t n = FRAMES * 2 * sizeof(float);
if (len > n) {
qDebug("PulseAudio:: buffer too large!");
len = n;
}
pa->seq->process(len / (2 * sizeof(float)), pa->buffer);
pa_stream_write(s, pa->buffer, len, nullptr, int64_t(0), PA_SEEK_RELATIVE);
}
void PulseAudio::WriteCallback(pa_stream* s, size_t length)
{
// fetch dst buffer directly from pulseaudio, so no memcpy is needed
void* buffer;
m_pa_error = pa_stream_begin_write(s, &buffer, &length);
if (!buffer || m_pa_error < 0)
return; // error will be printed from main loop
m_mixer->Mix((s16*) buffer, length / sizeof(s16) / CHANNEL_COUNT);
m_pa_error = pa_stream_write(s, buffer, length, nullptr, 0, PA_SEEK_RELATIVE);
}
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 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);
}
static void
stream_request_callback(pa_stream * s, size_t nbytes, void * u)
{
cubeb_stream * stm;
void * buffer;
size_t size;
int r;
long got;
size_t towrite;
size_t frame_size;
stm = u;
if (stm->shutdown)
return;
frame_size = pa_frame_size(&stm->sample_spec);
assert(nbytes % frame_size == 0);
towrite = nbytes;
while (towrite) {
size = towrite;
r = pa_stream_begin_write(s, &buffer, &size);
assert(r == 0);
assert(size > 0);
assert(size % frame_size == 0);
got = stm->data_callback(stm, stm->user_ptr, buffer, size / frame_size);
if (got < 0) {
pa_stream_cancel_write(s);
stm->shutdown = 1;
return;
}
r = pa_stream_write(s, buffer, got * frame_size, NULL, 0, PA_SEEK_RELATIVE);
assert(r == 0);
if ((size_t) got < size / frame_size) {
stm->draining = pa_stream_drain(s, stream_drain_success_callback, stm);
stm->shutdown = 1;
return;
}
towrite -= size;
}
assert(towrite == 0);
}
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 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);
}
}
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 kradpulse_playback_cb(pa_stream *stream, size_t length, void *userdata) {
krad_pulse_t *kradpulse = (krad_pulse_t *)userdata;
pa_usec_t usec;
int neg;
int c, s;
pa_stream_get_latency(stream, &usec, &neg);
//printf(" latency %8d us wanted %d frames\n", (int)usec, length / 4 / 2 );
if (kradpulse->kradaudio->process_callback != NULL) {
kradpulse->kradaudio->process_callback(length / 4 / 2, kradpulse->kradaudio->userdata);
}
if ((krad_ringbuffer_read_space (kradpulse->kradaudio->output_ringbuffer[1]) >= length / 2 ) && (krad_ringbuffer_read_space (kradpulse->kradaudio->output_ringbuffer[0]) >= length / 2 )) {
for (c = 0; c < 2; c++) {
krad_ringbuffer_read (kradpulse->kradaudio->output_ringbuffer[c], (char *)kradpulse->samples[c], (length / 2) );
}
for (s = 0; s < length / 4 / 2; s++) {
for (c = 0; c < 2; c++) {
kradpulse->interleaved_samples[s * 2 + c] = kradpulse->samples[c][s];
}
}
for (c = 0; c < 2; c++) {
compute_peak(kradpulse->kradaudio, KOUTPUT, &kradpulse->interleaved_samples[c], c, length / 4 / 2 , 1);
}
} else {
for (s = 0; s < length / 4 / 2; s++) {
for (c = 0; c < 2; c++) {
kradpulse->interleaved_samples[s * 2 + c] = 0.0f;
}
}
}
pa_stream_write(stream, kradpulse->interleaved_samples, length, NULL, 0LL, PA_SEEK_RELATIVE);
}
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;
}
