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path: root/core/multimedia/opieplayer/wavplugin/wavplugin.cpp
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-rw-r--r--core/multimedia/opieplayer/wavplugin/wavplugin.cpp16
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; //
+// }