Diffstat (limited to 'core/multimedia/opieplayer/wavplugin') (more/less context) (ignore whitespace changes)
-rw-r--r-- | core/multimedia/opieplayer/wavplugin/Makefile.in | 4 | ||||
-rw-r--r-- | core/multimedia/opieplayer/wavplugin/wavplugin.cpp | 261 | ||||
-rw-r--r-- | core/multimedia/opieplayer/wavplugin/wavplugin.h | 24 |
3 files changed, 154 insertions, 135 deletions
diff --git a/core/multimedia/opieplayer/wavplugin/Makefile.in b/core/multimedia/opieplayer/wavplugin/Makefile.in index bcbe7f2..a46b925 100644 --- a/core/multimedia/opieplayer/wavplugin/Makefile.in +++ b/core/multimedia/opieplayer/wavplugin/Makefile.in @@ -97,13 +97,15 @@ REQUIRES= ####### Compile wavplugin.o: wavplugin.cpp \ - wavplugin.h + wavplugin.h \ + ../mediaplayerplugininterface.h wavpluginimpl.o: wavpluginimpl.cpp \ wavplugin.h \ + ../mediaplayerplugininterface.h \ wavpluginimpl.h diff --git a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp index a6bd974..7f63b3b 100644 --- a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp +++ b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp @@ -14,22 +14,24 @@ ** 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 <stdio.h> #include <stdarg.h> #include <stdlib.h> #include <errno.h> #include <unistd.h> #include <qfile.h> #include "wavplugin.h" -//#define debugMsg(a) qDebug(a) +//#define debugMsg(a) qDebug(a) #define debugMsg(a) struct RiffChunk { char id[4]; Q_UINT32 size; @@ -44,13 +46,13 @@ struct ChunkData { Q_INT32 avgBytesPerSec; Q_INT16 blockAlign; Q_INT16 wBitsPerSample; }; -const int sound_buffer_size = 4096; +const int sound_buffer_size = 512; // 4096; // you got to be kidding right? class WavPluginData { public: QFile *input; @@ -60,136 +62,136 @@ public: uchar data[sound_buffer_size+32]; // +32 to handle badly aligned input data int out,max; int samples_due; int samples; WavPluginData() { - max = out = sound_buffer_size; - wavedata_remaining = 0; - samples_due = 0; - samples = -1; + max = out = sound_buffer_size; + wavedata_remaining = 0; + samples_due = 0; + samples = -1; } // expands out samples to the frequency of 44kHz bool add( short *output, long count, long& done, bool stereo ) { - done = 0; + done = 0; + qApp->processEvents(); - if ( input == 0 ) { - qDebug("no input"); - return FALSE; - } + if ( input == 0 ) { + qDebug("no input"); + return FALSE; + } while ( count ) { int l,r; if ( getSample(l, r) == FALSE ) { - qDebug("didn't get sample"); - return FALSE; - } - samples_due += 44100; - while ( count && (samples_due > chunkdata.samplesPerSec) ) { - *output++ = l; - if ( stereo ) - *output++ = r; + qDebug("didn't get sample"); + return FALSE; + } + samples_due += chunkdata.samplesPerSec; + while ( count && (samples_due > chunkdata.samplesPerSec) ) { + *output++ = l; + if ( stereo ) + *output++ = r; samples_due -= chunkdata.samplesPerSec; count--; - done++; + done++; } } - return TRUE; } bool initialise() { - if ( input == 0 ) - return FALSE; - - wavedata_remaining = -1; - - while ( wavedata_remaining == -1 ) { - // Keep reading chunks... - const int n = sizeof(chunk) - sizeof(chunk.data); - int t = input->readBlock( (char*)&chunk, n ); - if ( t != n ) { - if ( t == -1 ) - return FALSE; - return TRUE; - } - if ( qstrncmp(chunk.id,"data",4) == 0 ) { - samples = wavedata_remaining = chunk.size; - } else if ( qstrncmp(chunk.id,"RIFF",4) == 0 ) { - char d[4]; - if ( input->readBlock(d,4) != 4 ) { - return FALSE; - } - if ( qstrncmp(d,"WAVE",4) != 0 ) { - // skip - if ( chunk.size > 1000000000 || !input->at(input->at()+chunk.size-4) ) { - return FALSE; - } - } - } else if ( qstrncmp(chunk.id,"fmt ",4) == 0 ) { - if ( input->readBlock((char*)&chunkdata,sizeof(chunkdata)) != sizeof(chunkdata) ) { - return FALSE; - } + if ( input == 0 ) + return FALSE; + + wavedata_remaining = -1; + + while ( wavedata_remaining == -1 ) { + // Keep reading chunks... + const int n = sizeof(chunk) - sizeof(chunk.data); + int t = input->readBlock( (char*)&chunk, n ); + if ( t != n ) { + if ( t == -1 ) + return FALSE; + return TRUE; + } + if ( qstrncmp(chunk.id,"data",4) == 0 ) { + samples = wavedata_remaining = chunk.size; + } else if ( qstrncmp(chunk.id,"RIFF",4) == 0 ) { + char d[4]; + if ( input->readBlock(d,4) != 4 ) { + return FALSE; + } + if ( qstrncmp(d,"WAVE",4) != 0 ) { + // skip + if ( chunk.size > 1000000000 || !input->at(input->at()+chunk.size-4) ) { + return FALSE; + } + } + } else if ( qstrncmp(chunk.id,"fmt ",4) == 0 ) { + if ( input->readBlock((char*)&chunkdata,sizeof(chunkdata)) != sizeof(chunkdata) ) { + return FALSE; + } #define WAVE_FORMAT_PCM 1 - if ( chunkdata.formatTag != WAVE_FORMAT_PCM ) { - qDebug("WAV file: UNSUPPORTED FORMAT %d",chunkdata.formatTag); - return FALSE; - } - } else { - // ignored chunk - if ( chunk.size > 1000000000 || !input->at(input->at()+chunk.size) ) { - return FALSE; - } - } - } // while - - return TRUE; + if ( chunkdata.formatTag != WAVE_FORMAT_PCM ) { + qDebug("WAV file: UNSUPPORTED FORMAT %d",chunkdata.formatTag); + return FALSE; + } + } else { + // ignored chunk + if ( chunk.size > 1000000000 || !input->at(input->at()+chunk.size) ) { + return FALSE; + } + } + } // while + qDebug("bits %d", chunkdata.wBitsPerSample); + return TRUE; } // gets a sample from the file bool getSample(int& l, int& r) { - l = r = 0; - - if ( input == 0 ) - return FALSE; - - if ( (wavedata_remaining < 0) || !max ) - return FALSE; - - if ( out >= max ) { - max = input->readBlock( (char*)data, (uint)QMIN(sound_buffer_size,wavedata_remaining) ); - - wavedata_remaining -= max; - - out = 0; - if ( max <= 0 ) { - max = 0; - return TRUE; - } - } - if ( chunkdata.wBitsPerSample == 8 ) { - l = (data[out++] - 128) * 128; - } else { - l = ((short*)data)[out/2]; - out += 2; - } - if ( chunkdata.channels == 1 ) { - r = l; - } else { - if ( chunkdata.wBitsPerSample == 8 ) { - r = (data[out++] - 128) * 128; - } else { - r = ((short*)data)[out/2]; - out += 2; - } - } - return TRUE; + l = r = 0; + + if ( input == 0 ) + return FALSE; + + if ( (wavedata_remaining < 0) || !max ) + return FALSE; + + if ( out >= max ) { + max = input->readBlock( (char*)data, (uint)QMIN(sound_buffer_size,wavedata_remaining) ); + + wavedata_remaining -= max; + + out = 0; + if ( max <= 0 ) { + max = 0; + return TRUE; + } + } + if ( chunkdata.wBitsPerSample == 8 ) { + l = (data[out++] - 128) * 128; + } else { + l = ((short*)data)[out/2]; + out += 2; + } + if ( chunkdata.channels == 1 ) { + r = l; + } else { + if ( chunkdata.wBitsPerSample == 8 ) { + r = (data[out++] - 128) * 128; + } else { + r = ((short*)data)[out/2]; + out += 2; + } + } + return TRUE; } // getSample }; WavPlugin::WavPlugin() { @@ -202,100 +204,100 @@ WavPlugin::~WavPlugin() { close(); delete d; } bool WavPlugin::isFileSupported( const QString& path ) { - debugMsg( "WavPlugin::isFileSupported" ); +// qDebug( "WavPlugin::isFileSupported" ); char *ext = strrchr( path.latin1(), '.' ); // Test file extension if ( ext ) { - if ( strncasecmp(ext, ".raw", 4) == 0 ) - return TRUE; - if ( strncasecmp(ext, ".wav", 4) == 0 ) - return TRUE; - if ( strncasecmp(ext, ".wave", 4) == 0 ) - return TRUE; + if ( strncasecmp(ext, ".raw", 4) == 0 ) + return TRUE; + if ( strncasecmp(ext, ".wav", 4) == 0 ) + return TRUE; + if ( strncasecmp(ext, ".wave", 4) == 0 ) + return TRUE; } return FALSE; } bool WavPlugin::open( const QString& path ) { - debugMsg( "WavPlugin::open" ); +// qDebug( "WavPlugin::open" ); d->max = d->out = sound_buffer_size; d->wavedata_remaining = 0; d->samples_due = 0; d->input = new QFile( path ); if ( d->input->open(IO_ReadOnly) == FALSE ) { - qDebug("couldn't open file"); - delete d->input; - d->input = 0; - return FALSE; + qDebug("couldn't open file"); + delete d->input; + d->input = 0; + return FALSE; } d->initialise(); return TRUE; } bool WavPlugin::close() { - debugMsg( "WavPlugin::close" ); +// qDebug( "WavPlugin::close" ); d->input->close(); delete d->input; d->input = 0; return TRUE; } bool WavPlugin::isOpen() { - debugMsg( "WavPlugin::isOpen" ); +// qDebug( "WavPlugin::isOpen" ); return ( d->input != 0 ); } int WavPlugin::audioStreams() { - debugMsg( "WavPlugin::audioStreams" ); +// qDebug( "WavPlugin::audioStreams" ); return 1; } int WavPlugin::audioChannels( int ) { - debugMsg( "WavPlugin::audioChannels" ); - return 2; // ### Always scale audio to stereo samples +// qDebug( "WavPlugin::audioChannels" ); + return d->chunkdata.channels;// 2; // ### Always scale audio to stereo samples } int WavPlugin::audioFrequency( int ) { - debugMsg( "WavPlugin::audioFrequency" ); - return 44100; // ### Always scale to frequency of 44100 +// qDebug( "WavPlugin::audioFrequency %d", d->chunkdata.samplesPerSec ); + return d->chunkdata.samplesPerSec; //44100; // ### Always scale to frequency of 44100 } int WavPlugin::audioSamples( int ) { - debugMsg( "WavPlugin::audioSamples" ); - return d->samples * 2 / d->chunkdata.channels; // ### Scaled samples will be made stereo, - // Therefore if source is mono we will double the number of samples +// qDebug( "WavPlugin::audioSamples" ); + return d->samples / d->chunkdata.channels/2; // ### Scaled samples will be made stereo, + // Therefore if source is mono we will double the number of samples } bool WavPlugin::audioSetSample( long, int ) { - debugMsg( "WavPlugin::audioSetSample" ); +// qDebug( "WavPlugin::audioSetSample" ); return FALSE; } long WavPlugin::audioGetSample( int ) { - debugMsg( "WavPlugin::audioGetSample" ); +// qDebug( "WavPlugin::audioGetSample" ); return 0; } /* bool WavPlugin::audioReadSamples( short *, int, long, int ) { debugMsg( "WavPlugin::audioReadSamples" ); @@ -319,16 +321,21 @@ bool WavPlugin::audioReadStereoSamples( short *output, long samples, long& sampl debugMsg( "WavPlugin::audioReadStereoSamples" ); return !d->add( output, samples, samplesMade, TRUE ); } */ bool WavPlugin::audioReadSamples( short *output, int channels, long samples, long& samplesMade, int ) { - debugMsg( "WavPlugin::audioReadSamples" ); +// qDebug( "WavPlugin::audioReadSamples" ); return d->add( output, samples, samplesMade, channels != 1 ); } double WavPlugin::getTime() { - debugMsg( "WavPlugin::getTime" ); +// qDebug( "WavPlugin::getTime" ); return 0.0; } +int WavPlugin::audioBitsPerSample( int ) { +// qDebug( "WavPlugin::audioFormat %d", d->chunkdata.wBitsPerSample ); + return d->chunkdata.wBitsPerSample; // +} + diff --git a/core/multimedia/opieplayer/wavplugin/wavplugin.h b/core/multimedia/opieplayer/wavplugin/wavplugin.h index 64635ca..6afd67e 100644 --- a/core/multimedia/opieplayer/wavplugin/wavplugin.h +++ b/core/multimedia/opieplayer/wavplugin/wavplugin.h @@ -14,19 +14,24 @@ ** 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 + #ifndef WAV_PLUGIN_H #define WAV_PLUGIN_H #include <qstring.h> #include <qapplication.h> -#include "mediaplayerplugininterface.h" +#include "../mediaplayerplugininterface.h" + + +// #define OLD_MEDIAPLAYER_API class WavPluginData; class WavPlugin : public MediaPlayerDecoder { @@ -40,27 +45,30 @@ public: double pluginVersion() { return 1.0; } bool isFileSupported( const QString& ); bool open( const QString& ); bool close(); bool isOpen(); - //const QString &fileInfo() { return strInfo = qApp->translate( "MediaPlayer", "No Information Available", "media plugin text" ); } - const QString &fileInfo() { return strInfo = QString(""); } + const QString &fileInfo() { return strInfo = ""; } // If decoder doesn't support audio then return 0 here int audioStreams(); int audioChannels( int stream ); int audioFrequency( int stream ); + int audioBitsPerSample( int stream ); int audioSamples( int stream ); bool audioSetSample( long sample, int stream ); long audioGetSample( int stream ); - //bool audioReadMonoSamples( short *output, long samples, long& samplesRead, int stream ); - //bool audioReadStereoSamples( short *output, long samples, long& samplesRead, int stream ); +#ifdef OLD_MEDIAPLAYER_API + bool audioReadMonoSamples( short *output, long samples, long& samplesRead, int stream ); + bool audioReadStereoSamples( short *output, long samples, long& samplesRead, int stream ); + bool audioReadSamples( short *output, int channel, long samples, int stream ); + bool audioReReadSamples( short *output, int channel, long samples, int stream ); +#else bool audioReadSamples( short *output, int channels, long samples, long& samplesRead, int stream ); - //bool audioReadSamples( short *output, int channel, long samples, int stream ); - //bool audioReReadSamples( short *output, int channel, long samples, int stream ); +#endif // If decoder doesn't support video then return 0 here int videoStreams() { return 0; } int videoWidth( int ) { return 0; } int videoHeight( int ) { return 0; } double videoFrameRate( int ) { return 0.0; } @@ -84,12 +92,14 @@ public: bool supportsYUV() { return FALSE; } bool supportsMMX() { return TRUE; } bool supportsSMP() { return FALSE; } bool supportsStereo() { return TRUE; } bool supportsScaling() { return FALSE; } + long getPlayTime() { return -1; } + private: WavPluginData *d; QString strInfo; }; |