Diffstat (limited to 'core/multimedia/opieplayer/wavplugin/wavplugin.cpp') (more/less context) (show whitespace changes)
-rw-r--r-- | core/multimedia/opieplayer/wavplugin/wavplugin.cpp | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp index 7ac63c0..4a0da16 100644 --- a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp +++ b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp @@ -25,114 +25,116 @@ #include <errno.h> #include <unistd.h> #include <qfile.h> #include "wavplugin.h" //#define debugMsg(a) qDebug(a) #define debugMsg(a) struct RiffChunk { char id[4]; Q_UINT32 size; char data[4]; }; struct ChunkData { Q_INT16 formatTag; Q_INT16 channels; Q_INT32 samplesPerSec; Q_INT32 avgBytesPerSec; Q_INT16 blockAlign; Q_INT16 wBitsPerSample; }; const int sound_buffer_size = 512; // 4096; // you got to be kidding right? class WavPluginData { public: QFile *input; int wavedata_remaining; ChunkData chunkdata; RiffChunk chunk; 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; } - // expands out samples to the frequency of 44kHz + // expands out samples to the frequency of 44kHz //not any more bool add( short *output, long count, long& done, bool stereo ) { done = 0; qApp->processEvents(); 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 += chunkdata.samplesPerSec; + printf("samples due %d\r", samples_due); + fflush(stdout); while ( count && (samples_due > chunkdata.samplesPerSec) ) { *output++ = l; if ( stereo ) *output++ = r; samples_due -= chunkdata.samplesPerSec; count--; 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; } #define WAVE_FORMAT_PCM 1 if ( chunkdata.formatTag != WAVE_FORMAT_PCM ) { qDebug("WAV file: UNSUPPORTED FORMAT %d",chunkdata.formatTag); return FALSE; @@ -283,58 +285,58 @@ int WavPlugin::audioSamples( int ) { // 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 ) { // qDebug( "WavPlugin::audioSetSample" ); return FALSE; } long WavPlugin::audioGetSample( int ) { // qDebug( "WavPlugin::audioGetSample" ); return 0; } /* bool WavPlugin::audioReadSamples( short *, int, long, int ) { debugMsg( "WavPlugin::audioReadSamples" ); return FALSE; } bool WavPlugin::audioReReadSamples( short *, int, long, int ) { debugMsg( "WavPlugin::audioReReadSamples" ); return FALSE; } bool WavPlugin::audioReadMonoSamples( short *output, long samples, long& samplesMade, int ) { debugMsg( "WavPlugin::audioReadMonoSamples" ); return !d->add( output, samples, samplesMade, FALSE ); } bool WavPlugin::audioReadStereoSamples( short *output, long samples, long& samplesMade, int ) { debugMsg( "WavPlugin::audioReadStereoSamples" ); return !d->add( output, samples, samplesMade, TRUE ); } */ bool WavPlugin::audioReadSamples( short *output, int channels, long samples, long& samplesMade, int ) { // qDebug( "WavPlugin::audioReadSamples" ); return d->add( output, samples, samplesMade, channels != 1 ); } double WavPlugin::getTime() { -// qDebug( "WavPlugin::getTime" ); - return 0.0; +// qDebug( "WavPlugin::getTime" ); //this is a stupid hack here!! + return d->chunkdata.wBitsPerSample; /*0.0*/; } -int WavPlugin::audioBitsPerSample( int ) { -// qDebug( "WavPlugin::audioFormat %d", d->chunkdata.wBitsPerSample ); - return d->chunkdata.wBitsPerSample; // -} +// int WavPlugin::audioBitsPerSample( int ) { +// // qDebug( "WavPlugin::audioFormat %d", d->chunkdata.wBitsPerSample ); +// return d->chunkdata.wBitsPerSample; // +// } |