Diffstat (limited to 'core/multimedia/opieplayer/loopcontrol.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | core/multimedia/opieplayer/loopcontrol.cpp | 384 |
1 files changed, 193 insertions, 191 deletions
diff --git a/core/multimedia/opieplayer/loopcontrol.cpp b/core/multimedia/opieplayer/loopcontrol.cpp index 3171c4b..70e4a78 100644 --- a/core/multimedia/opieplayer/loopcontrol.cpp +++ b/core/multimedia/opieplayer/loopcontrol.cpp @@ -1,22 +1,22 @@ /********************************************************************** -** 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. -** -**********************************************************************/ + ** 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> @@ -59,22 +59,22 @@ bool threadOkToGo = FALSE; class Mutex { public: Mutex() { - pthread_mutexattr_t attr; - pthread_mutexattr_init( &attr ); - pthread_mutex_init( &mutex, &attr ); - pthread_mutexattr_destroy( &attr ); + pthread_mutexattr_t attr; + pthread_mutexattr_init( &attr ); + pthread_mutex_init( &mutex, &attr ); + pthread_mutexattr_destroy( &attr ); } ~Mutex() { - pthread_mutex_destroy( &mutex ); + pthread_mutex_destroy( &mutex ); } void lock() { - pthread_mutex_lock( &mutex ); + pthread_mutex_lock( &mutex ); } void unlock() { - pthread_mutex_unlock( &mutex ); + pthread_mutex_unlock( &mutex ); } private: pthread_mutex_t mutex; @@ -84,10 +84,10 @@ private: 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 + if ( threadOkToGo && mpegView->moreAudio ) + mpegView->startAudio(); + else + usleep( 10000 ); // Semi-buzy-wait till we are playing again } return 0; } @@ -97,7 +97,7 @@ Mutex *audioMutex; LoopControl::LoopControl( QObject *parent, const char *name ) - : QObject( parent, name ) { + : QObject( parent, name ) { isMuted = FALSE; connect( qApp, SIGNAL( volumeChanged(bool) ), this, SLOT( setMute(bool) ) ); //qDebug("starting loopcontrol"); @@ -106,15 +106,15 @@ LoopControl::LoopControl( QObject *parent, const char *name ) pthread_attr_init(&audio_attr); #define USE_REALTIME_AUDIO_THREAD #ifdef USE_REALTIME_AUDIO_THREAD - // Attempt to set it to real-time round robin + // 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,¶ms); + sched_param params; + params.sched_priority = 50; + pthread_attr_setschedparam(&audio_attr,¶ms); } else { - qDebug( "Error setting up a realtime thread, reverting to using a normal thread." ); - pthread_attr_destroy(&audio_attr); - pthread_attr_init(&audio_attr); + 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"); @@ -134,14 +134,14 @@ static int currentSample = 0; void LoopControl::timerEvent( QTimerEvent *te ) { if ( te->timerId() == videoId ) - startVideo(); + startVideo(); if ( te->timerId() == sliderId ) { - if ( hasAudioChannel && !hasVideoChannel && moreAudio ) { - mediaPlayerState->updatePosition( audioSampleCounter ); - } else if ( hasVideoChannel && moreVideo ) { - mediaPlayerState->updatePosition( current_frame ); - } + if ( hasAudioChannel && !hasVideoChannel && moreAudio ) { + mediaPlayerState->updatePosition( audioSampleCounter ); + } else if ( hasVideoChannel && moreVideo ) { + mediaPlayerState->updatePosition( current_frame ); + } } if ( !moreVideo && !moreAudio ) { @@ -153,28 +153,28 @@ void LoopControl::timerEvent( QTimerEvent *te ) { void LoopControl::setPosition( long pos ) { audioMutex->lock(); - +// qDebug("Loop control %d", pos); 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; + 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; + 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; + playtime.restart(); + playtime = playtime.addMSecs( long((double)-pos * 1000.0 / freq) ); + currentSample = pos + 1; + mediaPlayerState->curDecoder()->audioSetSample( currentSample, stream ); + audioSampleCounter = currentSample - 1; } audioMutex->unlock(); @@ -187,32 +187,32 @@ void LoopControl::startVideo() { if ( mediaPlayerState->curDecoder() ) { - if ( hasAudioChannel && !isMuted ) { + if ( hasAudioChannel && !isMuted ) { - current_frame = long( playtime.elapsed() * framerate / 1000 ); + current_frame = long( playtime.elapsed() * framerate / 1000 ); - if ( prev_frame != -1 && current_frame <= prev_frame ) - return; + if ( prev_frame != -1 && current_frame <= prev_frame ) + return; - } else { - // Don't skip - current_frame++; - } + } 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; - } + 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 { + } else { - moreVideo = FALSE; - killTimer( videoId ); + moreVideo = FALSE; + killTimer( videoId ); - } + } } } @@ -220,44 +220,43 @@ void LoopControl::startVideo() { void LoopControl::startAudio() { -//qDebug("start audio"); audioMutex->lock(); if ( moreAudio ) { - if ( !isMuted && mediaPlayerState->curDecoder() ) { + if ( !isMuted && mediaPlayerState->curDecoder() ) { - currentSample = audioSampleCounter + 1; + currentSample = audioSampleCounter + 1; - if ( currentSample != audioSampleCounter + 1 ) - qDebug("out of sync with decoder %i %i", currentSample, audioSampleCounter); + 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; + 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; - } +// 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 ); + audioDevice->write( audioBuffer, samplesRead * 2 * channels ); - if( mediaPlayerState->isStreaming == FALSE) - audioSampleCounter = currentSample + samplesRead - 1; + if( mediaPlayerState->isStreaming == FALSE) + audioSampleCounter = currentSample + samplesRead - 1; - moreAudio = readOk && (audioSampleCounter <= total_audio_samples); + moreAudio = readOk && (audioSampleCounter <= total_audio_samples); - } else { + } else { - moreAudio = FALSE; + moreAudio = FALSE; - } + } } @@ -270,7 +269,7 @@ void LoopControl::killTimers() { audioMutex->lock(); if ( hasVideoChannel ) - killTimer( videoId ); + killTimer( videoId ); killTimer( sliderId ); threadOkToGo = FALSE; @@ -286,14 +285,14 @@ void LoopControl::startTimers() { moreAudio = FALSE; if ( hasVideoChannel ) { - moreVideo = TRUE; - int mSecsBetweenFrames = (int)(100 / framerate); // 10% of the real value - videoId = startTimer( mSecsBetweenFrames ); + moreVideo = TRUE; + int mSecsBetweenFrames = (int)(100 / framerate); // 10% of the real value + videoId = startTimer( mSecsBetweenFrames ); } if ( hasAudioChannel ) { - moreAudio = TRUE; - threadOkToGo = TRUE; + moreAudio = TRUE; + threadOkToGo = TRUE; } sliderId = startTimer( 300 ); // update slider every 1/3 second @@ -305,16 +304,16 @@ void LoopControl::startTimers() { void LoopControl::setPaused( bool pause ) { if ( !mediaPlayerState->curDecoder() || !mediaPlayerState->curDecoder()->isOpen() ) - return; + return; if ( pause ) { - killTimers(); + killTimers(); } else { - // Force an update of the position - mediaPlayerState->setPosition( mediaPlayerState->position() + 1 ); - mediaPlayerState->setPosition( mediaPlayerState->position() - 1 ); - // Just like we never stopped - startTimers(); + // Force an update of the position + mediaPlayerState->setPosition( mediaPlayerState->position() + 1 ); + mediaPlayerState->setPosition( mediaPlayerState->position() - 1 ); + // Just like we never stopped + startTimers(); } } @@ -323,36 +322,37 @@ 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; + disabledSuspendScreenSaver = FALSE; + // Re-enable the suspend mode + QCopEnvelope("QPE/System", "setScreenSaverMode(int)" ) << QPEApplication::Enable; } #endif if ( mediaPlayerState->curDecoder() && mediaPlayerState->curDecoder()->isOpen() ) { - killTimers(); + killTimers(); - audioMutex->lock(); + audioMutex->lock(); - mediaPlayerState->curDecoder()->close(); + mediaPlayerState->curDecoder()->close(); - if ( audioDevice ) { - delete audioDevice; - delete audioBuffer; - audioDevice = 0; - audioBuffer = 0; - } - - audioMutex->unlock(); + if ( audioDevice ) { + delete audioDevice; + delete audioBuffer; + audioDevice = 0; + audioBuffer = 0; + } + audioMutex->unlock(); } + audioSampleCounter=0; + current_frame=0; + total_audio_samples=0; } bool LoopControl::init( const QString& filename ) { stop(); - audioMutex->lock(); fileName = filename; @@ -361,7 +361,7 @@ bool LoopControl::init( const QString& filename ) { 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 + // ### 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 ); @@ -370,69 +370,69 @@ bool LoopControl::init( const QString& filename ) { } if ( !mediaPlayerState->curDecoder()|| !mediaPlayerState->curDecoder()->open( filename ) ) { - audioMutex->unlock(); - return FALSE; + audioMutex->unlock(); + return FALSE; } hasAudioChannel = mediaPlayerState->curDecoder()->audioStreams() > 0; hasVideoChannel = mediaPlayerState->curDecoder()->videoStreams() > 0; if ( hasAudioChannel ) { - int astream = 0; + 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 ); + 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 ); + qDebug( "LC- channels = %d", channels ); - if ( !total_audio_samples ) - total_audio_samples = mediaPlayerState->curDecoder()->audioSamples( astream ); + if ( !total_audio_samples ) + total_audio_samples = mediaPlayerState->curDecoder()->audioSamples( astream ); - total_audio_samples += 1000; + total_audio_samples += 1000; - mediaPlayerState->setLength( total_audio_samples ); + 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 ); + 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 ); + total_video_frames = mediaPlayerState->curDecoder()->videoFrames( stream ); - mediaPlayerState->setLength( total_video_frames ); + mediaPlayerState->setLength( total_video_frames ); - framerate = mediaPlayerState->curDecoder()->videoFrameRate( stream ); - DecodeLoopDebug(( "Frame rate %g total %ld", framerate, 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 ( framerate <= 1.0 ) { + DecodeLoopDebug(( "Crazy frame rate, resetting to sensible" )); + framerate = 25; + } - if ( total_video_frames == 1 ) { - DecodeLoopDebug(( "Cannot seek to frame" )); - } + if ( total_video_frames == 1 ) { + DecodeLoopDebug(( "Cannot seek to frame" )); + } } @@ -450,13 +450,15 @@ bool LoopControl::init( const QString& filename ) { void LoopControl::play() { qDebug("LC- play"); + mediaPlayerState->setPosition( 0); //uglyhack + #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 ); + disabledSuspendScreenSaver = TRUE; + previousSuspendMode = hasVideoChannel; + // Stop the screen from blanking and power saving state + QCopEnvelope("QPE/System", "setScreenSaverMode(int)" ) + << ( hasVideoChannel ? QPEApplication::Disable : QPEApplication::DisableSuspend ); } #endif @@ -467,14 +469,14 @@ void LoopControl::play() { 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; - } + 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; + } } } |