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-rw-r--r--core/multimedia/opieplayer/wavplugin/wavplugin.cpp424
-rw-r--r--core/multimedia/opieplayer/wavplugin/wavplugin.h5
-rw-r--r--core/multimedia/opieplayer/wavplugin/wavpluginimpl.h2
3 files changed, 140 insertions, 291 deletions
diff --git a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp
index 0be667f..7ac63c0 100644
--- a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp
+++ b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp
@@ -19,2 +19,4 @@
**********************************************************************/
+// L.J.Potter added changes Fri 02-15-2002
+
#include <stdio.h>
@@ -48,3 +50,3 @@ struct ChunkData {
-const int sound_buffer_size = 4096;
+const int sound_buffer_size = 512; // 4096; // you got to be kidding right?
@@ -62,97 +64,86 @@ public:
int samples;
- int freq;
- int chan;
- int sampleRate;
- int resolution;
-
+
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
+ // expands out samples to the frequency of 44kHz
bool add( short *output, long count, long& done, bool stereo )
- {
- qDebug("add");
- done = 0;
-
- if ( input == 0 ) {
- qDebug("no input");
+ {
+ 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;
}
-
- 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;
- samples_due -= chunkdata.samplesPerSec;
- count--;
- done++;
- }
+ samples_due += chunkdata.samplesPerSec;
+ while ( count && (samples_due > chunkdata.samplesPerSec) ) {
+ *output++ = l;
+ if ( stereo )
+ *output++ = r;
+ samples_due -= chunkdata.samplesPerSec;
+ count--;
+ done++;
}
-
- return TRUE;
}
+ return TRUE;
+ }
bool initialise() {
- qDebug("initialize");
- 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;
- }
- }
-
+ if ( input == 0 )
+ return FALSE;
+ wavedata_remaining = -1;
-
- else {
- // ignored chunk
- if ( chunk.size > 1000000000 || !input->at(input->at()+chunk.size) ) {
- return FALSE;
- }
- }
- } // while
-
- return TRUE;
+ 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
+ qDebug("bits %d", chunkdata.wBitsPerSample);
+ return TRUE;
}
@@ -160,191 +151,43 @@ public:
- // gets a sample from the file
+ // gets a sample from the file
bool getSample(int& l, int& r)
- {
- l = r = 0;
-
- if ( input == 0 )
- return FALSE;
+ {
+ l = r = 0;
- if ( (wavedata_remaining < 0) || !max )
- return FALSE;
-
- if ( out >= max ) {
- max = input->readBlock( (char*)data, (uint)QMIN(sound_buffer_size,wavedata_remaining) );
+ if ( input == 0 )
+ return FALSE;
- wavedata_remaining -= max;
-
- out = 0;
- if ( max <= 0 ) {
- max = 0;
- return TRUE;
- }
- }
- if ( resolution == 8 ) {
- l = (data[out++] - 128) * 128;
- } else {
- l = ((short*)data)[out/2];
- out += 2;
- }
- if ( chan == 1 ) {
- r = l;
- } else {
- if ( resolution == 8 ) {
- r = (data[out++] - 128) * 128;
- } else {
- r = ((short*)data)[out/2];
- out += 2;
- }
- }
- return TRUE;
- } // getSample
-
-//////////////////////////////////////////////////////
-int getWavSettings(int fd)
-{ //this came from wmrecord
-
- char t1[4];
- unsigned long l1;
- int found;
- short fmt;
- unsigned short ch, brate;
- unsigned long srate;
-
-
- /* First read in the RIFF identifier. If this is missing then the
- * file is not a valid WAVE file.
- */
- if (read(fd, t1, 4)<4) {
- qDebug(" Could not read from sound file.\n");
- return -1;
- }
- if (strncmp(t1, "RIFF", 4)) {
- qDebug(" not a valid WAV file.\n");
- return -1;
- }
- /* Advance the file pointer to the next relevant field. */
- lseek(fd, 4, SEEK_CUR);
- /* Read in the WAVE identifier. */
- if (read(fd, t1, 4)<4) {
- qDebug("Could not read from sound file.\n");
- return -1;
- }
- if (strncmp(t1, "WAVE", 4)) {
- qDebug("not a valid WAV file.\n");
- return -1;
- }
+ if ( (wavedata_remaining < 0) || !max )
+ return FALSE;
- /* Search through the file for the format chunk. If the end of the
- * file is reached without finding the chunk, then the file is not a
- * valid WAVE file.
- */
- found = 0;
- while (!found) {
- if (read(fd, t1, 4)<4) {
- qDebug("Could not read from sound file.\n");
- return -1;
- }
- if (strncmp(t1, "fmt ", 4)) {
- /* Determine the length of the chunk found and skip to the next
- * chunk. The chunk length is always stored in the four bytes
- * following the chunk id.
- */
- if (read(fd, &l1, 4)<4) {
- qDebug("Could not read from sound file.\n");
- return -1;
- }
- lseek(fd, l1, SEEK_CUR);
- }
- else {
- /* This is the format chunk, which stores the playback settings
- * for the recording.
- */
- /* Skip the length field, since we don't really need it. */
- lseek(fd, 4, SEEK_CUR);
- /* Read in the format tag. If it has a value of 1, then there is
- * no compression and we can attempt to play the file
- * back. Otherwise, return.
- */
- if (read(fd, &fmt, 2)<2) {
- qDebug("Could not read from format chunk.\n");
- return -1;
- }
- if (fmt != 1) {
- qDebug("Wave file contains compressed data."
- " Unable to continue.\n");
- return -1;
- }
- /* Get the stereo mode. */
- if (read(fd, &ch, 2)<2) {
- qDebug("Could not read from format chunk.\n");
- return -1;
- }
- else {
- chan = ch;
- qDebug("File has %d channels", chan);
- }
- /* Get the sample rate. */
- if (read(fd, &srate, 4)<4) {
- qDebug("Could not read from format chunk.\n");
- return -1;
- }
- else {
- sampleRate = srate;
- qDebug("File has samplerate of %d", sampleRate);
- }
- /* Get the bit rate. This is at the end of the format chunk. */
- lseek(fd, 6, SEEK_CUR);
- if (read(fd, &brate, 2)<2) {
- qDebug("Could not read from format chunk.\n");
- return -1;
- }
- else {
- resolution = brate;
- qDebug("File has bitrate of %d", resolution);
- }
+ if ( out >= max ) {
+ max = input->readBlock( (char*)data, (uint)QMIN(sound_buffer_size,wavedata_remaining) );
- found++;
- }
- }
+ wavedata_remaining -= max;
- /* Search through the file for the data chunk. If the end of the
- * file is reached without finding the chunk, then the file is not a
- * valid WAVE file.
- */
- found = 0;
- while (!found) {
- if (read(fd, t1, 4)<4) {
- qDebug("Could not read from sound file.\n");
- return -1;
- }
- if (strncmp(t1, "data", 4)) {
- /* Determine the length of the chunk found and skip to the next
- * chunk. The chunk length is always stored in the four bytes
- * following the chunk id.
- */
- if (read(fd, &l1, 4)<4) {
- qDebug("Could not read from sound file.\n");
- return -1;
- }
- lseek(fd, l1, SEEK_CUR);
- }
- else {
- /* This is the data chunk, which stores the recording. */
- /* Get the length field. */
- if (read(fd, &l1, 4)<4) {
- qDebug("Could not read from sound file.\n");
- return -1;
- }
- else {
- samples =l1;
- qDebug("file has length of %d\nlasting %d seconds",l1, (( l1 / sampleRate) / chan) / 2 ); // ????
- return l1;
- }
- }
- }
+ 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
- return 0;
-}
-
-//////////////////////////////////////////////////
};
@@ -365,3 +208,3 @@ WavPlugin::~WavPlugin() {
bool WavPlugin::isFileSupported( const QString& path ) {
- debugMsg( "WavPlugin::isFileSupported" );
+// qDebug( "WavPlugin::isFileSupported" );
@@ -384,3 +227,3 @@ bool WavPlugin::isFileSupported( const QString& path ) {
bool WavPlugin::open( const QString& path ) {
- qDebug( "WavPlugin::open" );
+// qDebug( "WavPlugin::open" );
@@ -392,9 +235,8 @@ bool WavPlugin::open( const QString& 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->getWavSettings( d->input.handle());
+
d->initialise();
@@ -406,3 +248,3 @@ bool WavPlugin::open( const QString& path ) {
bool WavPlugin::close() {
- qDebug( "WavPlugin::close" );
+// qDebug( "WavPlugin::close" );
@@ -416,3 +258,3 @@ bool WavPlugin::close() {
bool WavPlugin::isOpen() {
- qDebug( "WavPlugin::isOpen" );
+// qDebug( "WavPlugin::isOpen" );
return ( d->input != 0 );
@@ -422,3 +264,3 @@ bool WavPlugin::isOpen() {
int WavPlugin::audioStreams() {
- qDebug( "WavPlugin::audioStreams" );
+// qDebug( "WavPlugin::audioStreams" );
return 1;
@@ -428,4 +270,4 @@ int WavPlugin::audioStreams() {
int WavPlugin::audioChannels( int ) {
- debugMsg( "WavPlugin::audioChannels" );
- return d->chan;
+// qDebug( "WavPlugin::audioChannels" );
+ return d->chunkdata.channels;// 2; // ### Always scale audio to stereo samples
}
@@ -434,4 +276,4 @@ int WavPlugin::audioChannels( int ) {
int WavPlugin::audioFrequency( int ) {
- qDebug( "WavPlugin::audioFrequency" );
- return d->freq;
+// qDebug( "WavPlugin::audioFrequency %d", d->chunkdata.samplesPerSec );
+ return d->chunkdata.samplesPerSec; //44100; // ### Always scale to frequency of 44100
}
@@ -440,6 +282,5 @@ int WavPlugin::audioFrequency( int ) {
int WavPlugin::audioSamples( int ) {
- qDebug( "WavPlugin::audioSamples" );
- return d->samples;
-// 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
}
@@ -448,3 +289,3 @@ int WavPlugin::audioSamples( int ) {
bool WavPlugin::audioSetSample( long, int ) {
- qDebug( "WavPlugin::audioSetSample" );
+// qDebug( "WavPlugin::audioSetSample" );
return FALSE;
@@ -454,3 +295,3 @@ bool WavPlugin::audioSetSample( long, int ) {
long WavPlugin::audioGetSample( int ) {
- qDebug( "WavPlugin::audioGetSample" );
+// qDebug( "WavPlugin::audioGetSample" );
return 0;
@@ -484,3 +325,3 @@ bool WavPlugin::audioReadStereoSamples( short *output, long samples, long& sampl
bool WavPlugin::audioReadSamples( short *output, int channels, long samples, long& samplesMade, int ) {
- qDebug( "WavPlugin::audioReadSamples" );
+// qDebug( "WavPlugin::audioReadSamples" );
return d->add( output, samples, samplesMade, channels != 1 );
@@ -489,3 +330,3 @@ bool WavPlugin::audioReadSamples( short *output, int channels, long samples, lon
double WavPlugin::getTime() {
- qDebug( "WavPlugin::getTime" );
+// qDebug( "WavPlugin::getTime" );
return 0.0;
@@ -493,2 +334,7 @@ double WavPlugin::getTime() {
+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 19d1a8e..6ae6e06 100644
--- a/core/multimedia/opieplayer/wavplugin/wavplugin.h
+++ b/core/multimedia/opieplayer/wavplugin/wavplugin.h
@@ -19,2 +19,4 @@
**********************************************************************/
+// L.J.Potter added changes Fri 02-15-2002
+
#ifndef WAV_PLUGIN_H
@@ -24,3 +26,3 @@
#include <qapplication.h>
-#include <qpe/mediaplayerplugininterface.h>
+#include "../mediaplayerplugininterface.h"
@@ -53,2 +55,3 @@ public:
int audioFrequency( int stream );
+ int audioBitsPerSample( int stream );
int audioSamples( int stream );
diff --git a/core/multimedia/opieplayer/wavplugin/wavpluginimpl.h b/core/multimedia/opieplayer/wavplugin/wavpluginimpl.h
index 71f5f20..10f9305 100644
--- a/core/multimedia/opieplayer/wavplugin/wavpluginimpl.h
+++ b/core/multimedia/opieplayer/wavplugin/wavpluginimpl.h
@@ -22,3 +22,3 @@
-#include <qpe/mediaplayerplugininterface.h>
+#include "../mediaplayerplugininterface.h"