change for video

1 files changed, 10 insertions, 8 deletions

diff --git a/core/multimedia/opieplayer/loopcontrol.cpp b/core/multimedia/opieplayer/loopcontrol.cpp
index 70e4a78..ba14882 100644
--- a/core/multimedia/opieplayer/loopcontrol.cpp
+++ b/core/multimedia/opieplayer/loopcontrol.cpp
@@ -1,483 +1,485 @@
 /**********************************************************************
  ** 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();
 //    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;
     } 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() {
     
     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;
-//          }
+         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 );
+ //       //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();
     }
     audioSampleCounter=0;
     current_frame=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() );
    
       // ### 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");
     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 );
     }
 #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;
         }
     }
 }