Diffstat (limited to 'core/multimedia/opieplayer/loopcontrol.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | core/multimedia/opieplayer/loopcontrol.cpp | 353 |
1 files changed, 176 insertions, 177 deletions
diff --git a/core/multimedia/opieplayer/loopcontrol.cpp b/core/multimedia/opieplayer/loopcontrol.cpp index dd466ed..90a7cc6 100644 --- a/core/multimedia/opieplayer/loopcontrol.cpp +++ b/core/multimedia/opieplayer/loopcontrol.cpp @@ -1,353 +1,352 @@ /********************************************************************** -** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. +** Copyright (C) 2000 Trolltech AS. All rights reserved. ** -** This file is part of the Qtopia Environment. +** 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 +#ifdef Q_WS_QWS #include <qpe/qcopenvelope_qws.h> #endif -#include <qpe/mediaplayerplugininterface.h> #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 "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 char *audioBuffer = NULL; static AudioDevice *audioDevice = NULL; -static bool disabledSuspendScreenSaver = FALSE; -static bool previousSuspendMode = FALSE; +static bool disabledSuspendScreenSaver = FALSE; +static bool previousSuspendMode = FALSE; -pthread_t audio_tid; +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 ); + 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; }; 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; } Mutex *audioMutex; LoopControl::LoopControl( QObject *parent, const char *name ) : QObject( parent, name ) { isMuted = FALSE; connect( qApp, SIGNAL( volumeChanged(bool) ), this, SLOT( setMute(bool) ) ); audioMutex = new Mutex; pthread_attr_init(&audio_attr); - - if ( getuid() == 0 ) { - printf("true, guid = %i\n", getuid()); - - // 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." ); - pthread_attr_destroy(&audio_attr); - 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." ); + pthread_attr_destroy(&audio_attr); + pthread_attr_init(&audio_attr); } -// printf("false, guid = %i\n", getuid()); - usleep( 100 ); - +#endif 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(); + 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 ) { 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; + 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(); } void LoopControl::startVideo() { if ( moreVideo ) { 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 ); - } + } } } void LoopControl::startAudio() { 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; - 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; - 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 ); - audioSampleCounter = currentSample + samplesRead - 1; + audioDevice->write( audioBuffer, samplesRead * 2 * channels ); + audioSampleCounter = currentSample + samplesRead - 1; - moreAudio = audioSampleCounter <= total_audio_samples; + moreAudio = readOk && (audioSampleCounter <= total_audio_samples); - } else { + } else { - moreAudio = FALSE; + moreAudio = FALSE; - } + } } audioMutex->unlock(); } void LoopControl::killTimers() { audioMutex->lock(); if ( hasVideoChannel ) - killTimer( videoId ); + 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 ); + 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 audioMutex->unlock(); } 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(); } } 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; - } + if ( audioDevice ) { + delete audioDevice; + delete audioBuffer; + audioDevice = 0; + audioBuffer = 0; + } - audioMutex->unlock(); + audioMutex->unlock(); } } bool LoopControl::init( const QString& filename ) { stop(); @@ -356,77 +355,77 @@ bool LoopControl::init( const QString& filename ) { 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->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; + audioMutex->unlock(); + return FALSE; } hasAudioChannel = mediaPlayerState->curDecoder()->audioStreams() > 0; hasVideoChannel = mediaPlayerState->curDecoder()->videoStreams() > 0; if ( hasAudioChannel ) { - int astream = 0; + int astream = 0; - channels = mediaPlayerState->curDecoder()->audioChannels( astream ); - DecodeLoopDebug(( "channels = %d\n", channels )); - - if ( !total_audio_samples ) - total_audio_samples = mediaPlayerState->curDecoder()->audioSamples( astream ); + 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; +// total_audio_samples += 1000; - mediaPlayerState->setLength( total_audio_samples ); - - freq = mediaPlayerState->curDecoder()->audioFrequency( astream ); - DecodeLoopDebug(( "frequency = %d\n", freq )); + mediaPlayerState->setLength( total_audio_samples ); + + freq = mediaPlayerState->curDecoder()->audioFrequency( astream ); + qDebug( "LC- frequency = %d", freq ); - audioSampleCounter = 0; + audioSampleCounter = 0; - static const int bytes_per_sample = 2; //16 bit + int bits_per_sample = mediaPlayerState->curDecoder()->audioBitsPerSample( astream); - audioDevice = new AudioDevice( freq, channels, bytes_per_sample ); - audioBuffer = new char[ audioDevice->bufferSize() ]; - channels = audioDevice->channels(); + 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 ); + //### 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" )); + } } current_frame = 0; prev_frame = -1; connect( mediaPlayerState, SIGNAL( positionChanged( long ) ), this, SLOT( setPosition( long ) ) ); connect( mediaPlayerState, SIGNAL( pausedToggled( bool ) ), this, SLOT( setPaused( bool ) ) ); @@ -436,35 +435,35 @@ bool LoopControl::init( const QString& filename ) { return TRUE; } void LoopControl::play() { #if defined(Q_WS_QWS) && !defined(QT_NO_COP) if ( !disabledSuspendScreenSaver || previousSuspendMode != hasVideoChannel ) { - disabledSuspendScreenSaver = TRUE; - 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 ); + 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; - } + 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; + } } } |