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Pulse Audio PA_STREAM_START_CORKED mode now working

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This commit is contained in:
Alexandre Savard
2009-02-27 10:27:52 -05:00
parent d893a4dd16
commit a4c1a0c8da
3 changed files with 51 additions and 38 deletions
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4
src/audio/audiostream.cpp
View File

@ -79,6 +79,8 @@ AudioStream::stream_state_callback( pa_stream* s, void* user_data UNUSED )
}
pa_stream*
AudioStream::createStream( pa_context* c )
{
@ -100,7 +102,7 @@ AudioStream::createStream( pa_context* c )
attributes->prebuf = 10000;
attributes->minreq = 940;
pa_stream_connect_playback( s , NULL , attributes,
PA_STREAM_INTERPOLATE_TIMING,
PA_STREAM_START_CORKED,
&_volume, NULL);
}
else if( _streamType == CAPTURE_STREAM ){

80
src/audio/pulselayer.cpp
View File

@ -30,6 +30,8 @@ static void audioCallback ( pa_stream* s, size_t bytes, void* userdata )
static_cast<PulseLayer*>(userdata)->processData();
}
PulseLayer::PulseLayer(ManagerImpl* manager)
: AudioLayer( manager , PULSEAUDIO )
, context(NULL)
@ -106,7 +108,8 @@ void PulseLayer::context_state_callback( pa_context* c, void* user_data )
break;
case PA_CONTEXT_READY:
pulse->createStreams( c );
_debug("Connection to PulseAudio server established\n");
_debug("Connection to PulseAudio server established\n");
break;
case PA_CONTEXT_TERMINATED:
_debug("Context terminated\n");
@ -130,22 +133,27 @@ void PulseLayer::disconnectPulseAudioServer( void )
delete record; record=NULL;
}
void
PulseLayer::createStreams( pa_context* c )
void PulseLayer::createStreams( pa_context* c )
{
_debug("PulseLayer::createStreams \n");
playback = new AudioStream(c, PLAYBACK_STREAM, PLAYBACK_STREAM_NAME, _manager->getSpkrVolume());
pa_stream_set_write_callback( playback->pulseStream() , audioCallback, this);
pa_stream_set_write_callback( playback->pulseStream(), audioCallback, this);
//pa_stream_set_overflow_callback( playback->pulseStream() , overflow , this);
// pa_stream_set_suspended_callback( playback->pulseStream(), stream_suspended_callback, this);
record = new AudioStream(c, CAPTURE_STREAM, CAPTURE_STREAM_NAME , _manager->getMicVolume());
pa_stream_set_read_callback( record->pulseStream() , audioCallback, this);
//pa_stream_set_underflow_callback( record->pulseStream() , underflow , this);
// pa_stream_set_suspended_callback(record->pulseStream(), stream_suspended_callback, this);
pa_threaded_mainloop_signal(m , 0);
}
bool
PulseLayer::openDevice(int indexIn UNUSED, int indexOut UNUSED, int sampleRate, int frameSize , int stream UNUSED, std::string plugin UNUSED)
bool PulseLayer::openDevice(int indexIn UNUSED, int indexOut UNUSED, int sampleRate, int frameSize , int stream UNUSED, std::string plugin UNUSED)
{
_debug("PulseLayer::openDevice \n");
_sampleRate = sampleRate;
@ -170,18 +178,15 @@ PulseLayer::openDevice(int indexIn UNUSED, int indexOut UNUSED, int sampleRate,
return true;
}
void
PulseLayer::closeCaptureStream( void )
void PulseLayer::closeCaptureStream( void )
{
}
void
PulseLayer::closePlaybackStream( void )
void PulseLayer::closePlaybackStream( void )
{
}
int
PulseLayer::canGetMic()
int PulseLayer::canGetMic()
{
if( record )
return _micRingBuffer.AvailForGet();
@ -189,8 +194,7 @@ PulseLayer::canGetMic()
return 0;
}
int
PulseLayer::getMic(void *buffer, int toCopy)
int PulseLayer::getMic(void *buffer, int toCopy)
{
if( record ){
return _micRingBuffer.Get(buffer, toCopy, 100);
@ -199,15 +203,14 @@ PulseLayer::getMic(void *buffer, int toCopy)
return 0;
}
void
PulseLayer::startStream (void)
void PulseLayer::startStream (void)
{
flushMic();
_debug("PulseLayer::Start stream\n");
pa_threaded_mainloop_lock(m);
pa_stream_cork( playback->pulseStream(), NULL, NULL, NULL);
pa_stream_cork( record->pulseStream(), NULL, NULL, NULL);
pa_stream_cork( playback->pulseStream(), 0, NULL, NULL);
pa_stream_cork( record->pulseStream(), 0, NULL, NULL);
pa_threaded_mainloop_unlock(m);
@ -220,8 +223,8 @@ PulseLayer::stopStream (void)
pa_stream_flush( playback->pulseStream(), NULL, NULL );
pa_stream_flush( record->pulseStream(), NULL, NULL );
pa_stream_cork( playback->pulseStream(), NULL, NULL, NULL);
pa_stream_cork( record->pulseStream(), NULL, NULL, NULL);
pa_stream_cork( playback->pulseStream(), 1, NULL, NULL);
pa_stream_cork( record->pulseStream(), 1, NULL, NULL);
flushMic();
flushMain();
@ -230,44 +233,48 @@ PulseLayer::stopStream (void)
void
PulseLayer::underflow ( pa_stream* s UNUSED, void* userdata UNUSED )
void PulseLayer::underflow ( pa_stream* s UNUSED, void* userdata UNUSED )
{
_debug("PulseLayer::Buffer Underflow\n");
}
void
PulseLayer::overflow ( pa_stream* s, void* userdata UNUSED )
void PulseLayer::overflow ( pa_stream* s, void* userdata UNUSED )
{
//PulseLayer* pulse = (PulseLayer*) userdata;
pa_stream_drop( s );
pa_stream_trigger( s, NULL, NULL);
}
void
PulseLayer::processData( void )
void PulseLayer::stream_suspended_callback(pa_stream *s, void *userdata UNUSED )
{
// Handle the mic
// We check if the stream is ready
if( (record->pulseStream()) && (pa_stream_get_state( record->pulseStream()) == PA_STREAM_READY) && record)
// _debug("PulseLayer::processData() readFromMic() \n");
readFromMic();
}
// Handle the data for the speakers
if( (playback->pulseStream()) && (pa_stream_get_state( playback->pulseStream()) == PA_STREAM_READY) && playback){
void PulseLayer::processData( void )
{
_debug("PulseLayer::processData() \n");
// Handle the mic
// We check if the stream is ready
if( (record->pulseStream()) && (pa_stream_get_state( record->pulseStream()) == PA_STREAM_READY))
readFromMic();
// _debug("PulseLayer::processData() playback->pulseStream() \n");
// Handle the data for the speakers
if( (playback->pulseStream()) && (pa_stream_get_state( playback->pulseStream()) == PA_STREAM_READY)){
// If the playback buffer is full, we don't overflow it; wait for it to have free space
if( pa_stream_writable_size(playback->pulseStream()) == 0 )
return;
// _debug("PulseLayer::processData() writeToSpeaker()\n");
writeToSpeaker();
}
}
void
PulseLayer::writeToSpeaker( void )
void PulseLayer::writeToSpeaker( void )
{
/** Bytes available in the urgent ringbuffer ( reserved for DTMF ) */
int urgentAvail;
@ -316,6 +323,7 @@ PulseLayer::writeToSpeaker( void )
else {
bzero(out, framesPerBuffer * sizeof(SFLDataFormat));
}
pa_stream_write( playback->pulseStream() , out , toGet , NULL, 0 , PA_SEEK_RELATIVE);
pa_xfree(out);
}

5
src/audio/pulselayer.h
View File

@ -24,6 +24,7 @@
#include "audiostream.h"
#include <pulse/pulseaudio.h>
#include <pulse/stream.h>
#define PLAYBACK_STREAM_NAME "SFLphone out"
#define CAPTURE_STREAM_NAME "SFLphone in"
@ -74,7 +75,8 @@ class PulseLayer : public AudioLayer {
static void overflow ( pa_stream* s, void* userdata );
static void underflow ( pa_stream* s, void* userdata );
static void stream_state_callback( pa_stream* s, void* user_data );
static void context_state_callback( pa_context* c, void* user_data );
static void context_state_callback( pa_context* c, void* user_data );
static void stream_suspended_callback ( pa_stream* s, void* userdata );
bool isCaptureActive (void){return true;}
@ -127,6 +129,7 @@ class PulseLayer : public AudioLayer {
void setMicVolume( int value ) { micVolume = value; }
void processData( void );
private:
// Copy Constructor
PulseLayer(const PulseLayer& rh);