Diffstat (limited to 'core/multimedia/opieplayer/loopcontrol.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | core/multimedia/opieplayer/loopcontrol.cpp | 68 |
1 files changed, 38 insertions, 30 deletions
diff --git a/core/multimedia/opieplayer/loopcontrol.cpp b/core/multimedia/opieplayer/loopcontrol.cpp index 4ed5921..91153fd 100644 --- a/core/multimedia/opieplayer/loopcontrol.cpp +++ b/core/multimedia/opieplayer/loopcontrol.cpp @@ -6,48 +6,56 @@ ** 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 "mediaplayerstate.h" +#include "loopcontrol.h" +#include "videowidget.h" +#include "audiodevice.h" + +/* OPIE */ #include <qpe/qpeapplication.h> +#include <qpe/mediaplayerplugininterface.h> +#include <opie2/odebug.h> #ifdef Q_WS_QWS #include <qpe/qcopenvelope_qws.h> #endif + +/* QT */ + +/* STD */ #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; @@ -87,86 +95,86 @@ void *startAudioThread( void *ptr ) { 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"); + //odebug << "starting loopcontrol" << oendl; 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,¶ms); } else { - // qDebug( "Error setting up a realtime thread, reverting to using a normal thread." ); + // odebug << "Error setting up a realtime thread, reverting to using a normal thread." << oendl; pthread_attr_destroy(&audio_attr); pthread_attr_init(&audio_attr); } #endif - //qDebug("create audio thread"); + //odebug << "create audio thread" << oendl; 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 ) { + if ( !moreVideo && !moreAudio ) { mediaPlayerState->setPlaying( FALSE ); mediaPlayerState->setNext(); } } void LoopControl::setPosition( long pos ) { audioMutex->lock(); -// qDebug("Loop control %d", pos); +// odebug << "Loop control " << pos << "" << oendl; 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 ) { @@ -206,84 +214,84 @@ void LoopControl::startVideo() { moreVideo = videoUI->playVideo(); prev_frame = current_frame; } } else { moreVideo = FALSE; killTimer( videoId ); } } } void LoopControl::startAudio() { - + 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); +// odebug << "out of sync with decoder " << currentSample << " " << audioSampleCounter << "" << oendl; 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 ( hasVideoChannel ) { 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 ); + // odebug << "need to catch up by: " << -sampleWaitTime << " (" << currentSample << "," << sampleWeShouldBeAt << ")" << oendl; // //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 ) + if ( hasVideoChannel ) killTimer( videoId ); killTimer( sliderId ); threadOkToGo = FALSE; audioMutex->unlock(); } void LoopControl::startTimers() { audioMutex->lock(); moreVideo = FALSE; moreAudio = FALSE; if ( hasVideoChannel ) { @@ -311,112 +319,112 @@ void LoopControl::setPaused( bool pause ) { 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; + 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(); } audioSampleCounter=0; current_frame=0; - total_audio_samples=0; + total_audio_samples=0; } 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() ); - + + // odebug << "Using the " << mediaPlayerState->curDecoder()->pluginName() << " decoder" << oendl; + // ### 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 ); - + // odebug << "LC- channels = " << channels << "" << oendl; + // if ( !total_audio_samples ) total_audio_samples = mediaPlayerState->curDecoder()->audioSamples( astream ); total_audio_samples += 1000; - // qDebug("total samples %d", total_audio_samples); + // odebug << "total samples " << total_audio_samples << "" << oendl; mediaPlayerState->setLength( total_audio_samples ); - + freq = mediaPlayerState->curDecoder()->audioFrequency( astream ); - // qDebug( "LC- frequency = %d", freq ); + // odebug << "LC- frequency = " << freq << "" << oendl; audioSampleCounter = 0; int bits_per_sample; if ( mediaPlayerState->curDecoder()->pluginName() == QString("LibWavPlugin") ) { bits_per_sample =(int) mediaPlayerState->curDecoder()->getTime(); - // qDebug("using stupid hack"); + // odebug << "using stupid hack" << oendl; } 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 ) { @@ -438,41 +446,41 @@ bool LoopControl::init( const QString& filename ) { } 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"); + // odebug << "LC- play" << oendl; mediaPlayerState->setPosition( 0); //uglyhack - + #if defined(Q_WS_QWS) && !defined(QT_NO_COP) if ( !disabledSuspendScreenSaver || previousSuspendMode != hasVideoChannel ) { - disabledSuspendScreenSaver = TRUE; + disabledSuspendScreenSaver = TRUE; previousSuspendMode = hasVideoChannel; // Stop the screen from blanking and power saving state - QCopEnvelope("QPE/System", "setScreenSaverMode(int)" ) + 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 ); |