Diffstat (limited to 'core/multimedia/opieplayer/loopcontrol.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | core/multimedia/opieplayer/loopcontrol.cpp | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/core/multimedia/opieplayer/loopcontrol.cpp b/core/multimedia/opieplayer/loopcontrol.cpp index 90a7cc6..cb8de8a 100644 --- a/core/multimedia/opieplayer/loopcontrol.cpp +++ b/core/multimedia/opieplayer/loopcontrol.cpp @@ -1,168 +1,169 @@ /********************************************************************** ** 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 "mediaplayerplugininterface.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,¶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); } #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) ); @@ -175,120 +176,120 @@ void LoopControl::setPosition( long pos ) { 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; - 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; 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; } @@ -346,124 +347,129 @@ void LoopControl::stop( bool willPlayAgainShortly ) { } } 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; 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 = mediaPlayerState->curDecoder()->audioBitsPerSample( astream); + 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; } } } |