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authorllornkcor <llornkcor>2002-05-30 00:14:35 (UTC)
committer llornkcor <llornkcor>2002-05-30 00:14:35 (UTC)
commit738c08d921cc12c9f6f7846e80889908dce06cc8 (patch) (side-by-side diff)
tree83f38f243388afb2312a46073f36e8fca5b32b5c
parent32e4668771e3fc4aad674796e20e4a24d1d09331 (diff)
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fixed bug with mpeg3 not playing audio in videos
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--core/multimedia/opieplayer/loopcontrol.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/core/multimedia/opieplayer/loopcontrol.cpp b/core/multimedia/opieplayer/loopcontrol.cpp
index 310d512..6f86b4a 100644
--- a/core/multimedia/opieplayer/loopcontrol.cpp
+++ b/core/multimedia/opieplayer/loopcontrol.cpp
@@ -1,477 +1,481 @@
/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
// L.J.Potter added changes Fri 02-15-2002
#include <qpe/qpeapplication.h>
#ifdef Q_WS_QWS
#include <qpe/qcopenvelope_qws.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <errno.h>
#include <unistd.h>
#include "loopcontrol.h"
#include "videowidget.h"
#include "audiodevice.h"
#include <qpe/mediaplayerplugininterface.h>
#include "mediaplayerstate.h"
extern VideoWidget *videoUI; // now only needed to tell it to play a frame
extern MediaPlayerState *mediaPlayerState;
//#define DecodeLoopDebug(x) qDebug x
#define DecodeLoopDebug(x)
static char *audioBuffer = NULL;
static AudioDevice *audioDevice = NULL;
static bool disabledSuspendScreenSaver = FALSE;
static bool previousSuspendMode = FALSE;
pthread_t audio_tid;
pthread_attr_t audio_attr;
bool threadOkToGo = FALSE;
class Mutex {
public:
Mutex() {
pthread_mutexattr_t attr;
pthread_mutexattr_init( &attr );
pthread_mutex_init( &mutex, &attr );
pthread_mutexattr_destroy( &attr );
}
~Mutex() {
pthread_mutex_destroy( &mutex );
}
void lock() {
pthread_mutex_lock( &mutex );
}
void unlock() {
pthread_mutex_unlock( &mutex );
}
private:
pthread_mutex_t mutex;
};
void *startAudioThread( void *ptr ) {
LoopControl *mpegView = (LoopControl *)ptr;
while ( TRUE ) {
if ( threadOkToGo && mpegView->moreAudio )
mpegView->startAudio();
else
usleep( 10000 ); // Semi-buzy-wait till we are playing again
}
return 0;
}
Mutex *audioMutex;
LoopControl::LoopControl( QObject *parent, const char *name )
: QObject( parent, name ) {
isMuted = FALSE;
connect( qApp, SIGNAL( volumeChanged(bool) ), this, SLOT( setMute(bool) ) );
//qDebug("starting loopcontrol");
audioMutex = new Mutex;
pthread_attr_init(&audio_attr);
#define USE_REALTIME_AUDIO_THREAD
#ifdef USE_REALTIME_AUDIO_THREAD
// Attempt to set it to real-time round robin
if ( pthread_attr_setschedpolicy( &audio_attr, SCHED_RR ) == 0 ) {
sched_param params;
params.sched_priority = 50;
pthread_attr_setschedparam(&audio_attr,&params);
} else {
qDebug( "Error setting up a realtime thread, reverting to using a normal thread." );
pthread_attr_destroy(&audio_attr);
pthread_attr_init(&audio_attr);
}
#endif
//qDebug("create audio thread");
pthread_create(&audio_tid, &audio_attr, (void * (*)(void *))startAudioThread, this);
}
LoopControl::~LoopControl() {
stop();
}
static long prev_frame = 0;
static int currentSample = 0;
void LoopControl::timerEvent( QTimerEvent *te ) {
if ( te->timerId() == videoId )
startVideo();
if ( te->timerId() == sliderId ) {
if ( hasAudioChannel && !hasVideoChannel && moreAudio ) {
mediaPlayerState->updatePosition( audioSampleCounter );
} else if ( hasVideoChannel && moreVideo ) {
mediaPlayerState->updatePosition( current_frame );
}
}
if ( !moreVideo && !moreAudio ) {
mediaPlayerState->setPlaying( FALSE );
mediaPlayerState->setNext();
}
}
void LoopControl::setPosition( long pos ) {
audioMutex->lock();
if ( hasVideoChannel && hasAudioChannel ) {
playtime.restart();
playtime = playtime.addMSecs( long((double)-pos * 1000.0 / framerate) );
current_frame = pos + 1;
mediaPlayerState->curDecoder()->videoSetFrame( current_frame, stream );
prev_frame = current_frame - 1;
currentSample = (int)( (double)current_frame * freq / framerate );
mediaPlayerState->curDecoder()->audioSetSample( currentSample, stream );
audioSampleCounter = currentSample - 1;
} else if ( hasVideoChannel ) {
playtime.restart();
playtime = playtime.addMSecs( long((double)-pos * 1000.0 / framerate) );
current_frame = pos + 1;
mediaPlayerState->curDecoder()->videoSetFrame( current_frame, stream );
prev_frame = current_frame - 1;
} else if ( hasAudioChannel ) {
playtime.restart();
playtime = playtime.addMSecs( long((double)-pos * 1000.0 / freq) );
currentSample = pos + 1;
mediaPlayerState->curDecoder()->audioSetSample( currentSample, stream );
audioSampleCounter = currentSample - 1;
}
audioMutex->unlock();
}
void LoopControl::startVideo() {
if ( moreVideo ) {
if ( mediaPlayerState->curDecoder() ) {
if ( hasAudioChannel && !isMuted ) {
current_frame = long( playtime.elapsed() * framerate / 1000 );
if ( prev_frame != -1 && current_frame <= prev_frame )
return;
} else {
// Don't skip
current_frame++;
}
if ( prev_frame == -1 || current_frame > prev_frame ) {
if ( current_frame > prev_frame + 1 ) {
mediaPlayerState->curDecoder()->videoSetFrame( current_frame, stream );
}
moreVideo = videoUI->playVideo();
prev_frame = current_frame;
}
} else {
moreVideo = FALSE;
killTimer( videoId );
}
}
}
void LoopControl::startAudio() {
//qDebug("start audio");
audioMutex->lock();
if ( moreAudio ) {
if ( !isMuted && mediaPlayerState->curDecoder() ) {
currentSample = audioSampleCounter + 1;
if ( currentSample != audioSampleCounter + 1 )
qDebug("out of sync with decoder %i %i", currentSample, audioSampleCounter);
long samplesRead = 0;
bool readOk=mediaPlayerState->curDecoder()->audioReadSamples( (short*)audioBuffer, channels, 1024, samplesRead, stream );
long sampleWeShouldBeAt = long( playtime.elapsed() ) * freq / 1000;
long sampleWaitTime = currentSample - sampleWeShouldBeAt;
// this causes drop outs not sure why its even here
// if ( ( sampleWaitTime > 2000 ) && ( sampleWaitTime < 20000 ) ) {
// usleep( (long)((double)sampleWaitTime * 1000000.0 / freq) );
// }
// else if ( sampleWaitTime <= -5000 ) {
// qDebug("need to catch up by: %li (%i,%li)", -sampleWaitTime, currentSample, sampleWeShouldBeAt );
// //mediaPlayerState->curDecoder()->audioSetSample( sampleWeShouldBeAt, stream );
// currentSample = sampleWeShouldBeAt;
// }
audioDevice->write( audioBuffer, samplesRead * 2 * channels );
if( mediaPlayerState->isStreaming == FALSE)
audioSampleCounter = currentSample + samplesRead - 1;
moreAudio = readOk && (audioSampleCounter <= total_audio_samples);
} else {
moreAudio = FALSE;
}
}
audioMutex->unlock();
}
void LoopControl::killTimers() {
audioMutex->lock();
if ( hasVideoChannel )
killTimer( videoId );
killTimer( sliderId );
threadOkToGo = FALSE;
audioMutex->unlock();
}
void LoopControl::startTimers() {
audioMutex->lock();
moreVideo = FALSE;
moreAudio = FALSE;
if ( hasVideoChannel ) {
moreVideo = TRUE;
int mSecsBetweenFrames = (int)(100 / framerate); // 10% of the real value
videoId = startTimer( mSecsBetweenFrames );
}
if ( hasAudioChannel ) {
moreAudio = TRUE;
threadOkToGo = TRUE;
}
sliderId = startTimer( 300 ); // update slider every 1/3 second
audioMutex->unlock();
}
void LoopControl::setPaused( bool pause ) {
if ( !mediaPlayerState->curDecoder() || !mediaPlayerState->curDecoder()->isOpen() )
return;
if ( pause ) {
killTimers();
} else {
// Force an update of the position
mediaPlayerState->setPosition( mediaPlayerState->position() + 1 );
mediaPlayerState->setPosition( mediaPlayerState->position() - 1 );
// Just like we never stopped
startTimers();
}
}
void LoopControl::stop( bool willPlayAgainShortly ) {
#if defined(Q_WS_QWS) && !defined(QT_NO_COP)
if ( !willPlayAgainShortly && disabledSuspendScreenSaver ) {
disabledSuspendScreenSaver = FALSE;
// Re-enable the suspend mode
QCopEnvelope("QPE/System", "setScreenSaverMode(int)" ) << QPEApplication::Enable;
}
#endif
if ( mediaPlayerState->curDecoder() && mediaPlayerState->curDecoder()->isOpen() ) {
killTimers();
audioMutex->lock();
mediaPlayerState->curDecoder()->close();
if ( audioDevice ) {
delete audioDevice;
delete audioBuffer;
audioDevice = 0;
audioBuffer = 0;
}
audioMutex->unlock();
}
}
bool LoopControl::init( const QString& filename ) {
stop();
audioMutex->lock();
fileName = filename;
stream = 0; // only play stream 0 for now
current_frame = total_video_frames = total_audio_samples = 0;
qDebug( "Using the %s decoder", mediaPlayerState->curDecoder()->pluginName() );
// ### Hack to use libmpeg3plugin to get the number of audio samples if we are using the libmad plugin
if ( mediaPlayerState->curDecoder()->pluginName() == QString("LibMadPlugin") ) {
if ( mediaPlayerState->libMpeg3Decoder() && mediaPlayerState->libMpeg3Decoder()->open( filename )) {
total_audio_samples = mediaPlayerState->libMpeg3Decoder()->audioSamples( 0 );
mediaPlayerState->libMpeg3Decoder()->close();
}
}
if ( !mediaPlayerState->curDecoder()|| !mediaPlayerState->curDecoder()->open( filename ) ) {
audioMutex->unlock();
return FALSE;
}
hasAudioChannel = mediaPlayerState->curDecoder()->audioStreams() > 0;
hasVideoChannel = mediaPlayerState->curDecoder()->videoStreams() > 0;
if ( hasAudioChannel ) {
int astream = 0;
+ if ( mediaPlayerState->curDecoder()->pluginName() == QString("LibMpeg3Plugin") )
+ channels = 2; //dont akx me why, but it needs this hack
+ else
channels = mediaPlayerState->curDecoder()->audioChannels( astream );
+
qDebug( "LC- channels = %d", channels );
if ( !total_audio_samples )
total_audio_samples = mediaPlayerState->curDecoder()->audioSamples( astream );
total_audio_samples += 1000;
mediaPlayerState->setLength( total_audio_samples );
freq = mediaPlayerState->curDecoder()->audioFrequency( astream );
qDebug( "LC- frequency = %d", freq );
audioSampleCounter = 0;
int bits_per_sample;
if ( mediaPlayerState->curDecoder()->pluginName() == QString("LibWavPlugin") ) {
bits_per_sample =(int) mediaPlayerState->curDecoder()->getTime();
qDebug("using stupid hack");
} else {
bits_per_sample=0;
}
audioDevice = new AudioDevice( freq, channels, bits_per_sample);
audioBuffer = new char[ audioDevice->bufferSize() ];
channels = audioDevice->channels();
//### must check which frequency is actually used.
static const int size = 1;
short int buf[size];
long samplesRead = 0;
mediaPlayerState->curDecoder()->audioReadSamples( buf, channels, size, samplesRead, stream );
}
if ( hasVideoChannel ) {
total_video_frames = mediaPlayerState->curDecoder()->videoFrames( stream );
mediaPlayerState->setLength( total_video_frames );
framerate = mediaPlayerState->curDecoder()->videoFrameRate( stream );
DecodeLoopDebug(( "Frame rate %g total %ld", framerate, total_video_frames ));
if ( framerate <= 1.0 ) {
DecodeLoopDebug(( "Crazy frame rate, resetting to sensible" ));
framerate = 25;
}
if ( total_video_frames == 1 ) {
DecodeLoopDebug(( "Cannot seek to frame" ));
}
}
current_frame = 0;
prev_frame = -1;
connect( mediaPlayerState, SIGNAL( positionChanged( long ) ), this, SLOT( setPosition( long ) ) );
connect( mediaPlayerState, SIGNAL( pausedToggled( bool ) ), this, SLOT( setPaused( bool ) ) );
audioMutex->unlock();
return TRUE;
}
void LoopControl::play() {
qDebug("LC- play");
#if defined(Q_WS_QWS) && !defined(QT_NO_COP)
if ( !disabledSuspendScreenSaver || previousSuspendMode != hasVideoChannel ) {
disabledSuspendScreenSaver = TRUE;
previousSuspendMode = hasVideoChannel;
// Stop the screen from blanking and power saving state
QCopEnvelope("QPE/System", "setScreenSaverMode(int)" )
<< ( hasVideoChannel ? QPEApplication::Disable : QPEApplication::DisableSuspend );
}
#endif
playtime.start();
startTimers();
}
void LoopControl::setMute( bool on ) {
if ( on != isMuted ) {
isMuted = on;
if ( !on ) {
// Force an update of the position
mediaPlayerState->setPosition( mediaPlayerState->position() + 1 );
mediaPlayerState->setPosition( mediaPlayerState->position() - 1 );
// Resume playing audio
moreAudio = TRUE;
}
}
}