1 files changed, 185 insertions, 32 deletions

diff --git a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp
index 7f63b3b..0be667f 100644
--- a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp
+++ b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp
@@ -18,6 +18,4 @@
 **
 **********************************************************************/
-// L.J.Potter added changes Fri 02-15-2002
-
 #include <stdio.h>
 #include <stdarg.h>
@@ -28,5 +26,4 @@
 #include "wavplugin.h"
 
-
 //#define debugMsg(a)     qDebug(a)
 #define debugMsg(a)
@@ -50,5 +47,5 @@ struct ChunkData {
 
 
-const int sound_buffer_size = 512; // 4096; // you got to be kidding right?
+const int sound_buffer_size = 4096;
 
 
@@ -64,4 +61,8 @@ public:
     int samples_due;
     int samples;
+    int freq;
+    int chan;
+    int sampleRate;
+    int resolution;
 
     WavPluginData() {
@@ -75,6 +76,6 @@ public:
     bool add( short *output, long count, long& done, bool stereo )
     {
+            qDebug("add");
   done = 0;
-    qApp->processEvents();
 
   if ( input == 0 ) {
@@ -89,5 +90,5 @@ public:
                 return FALSE;
             }
-              samples_due += chunkdata.samplesPerSec;
+                samples_due += 44100;
              while ( count && (samples_due > chunkdata.samplesPerSec) ) {
                 *output++ = l;
@@ -99,8 +100,10 @@ public:
             }
         }
+
         return TRUE;
     }
 
     bool initialise() {
+        qDebug("initialize");
   if ( input == 0 )
       return FALSE;
@@ -139,5 +142,10 @@ public:
         return FALSE;
     }
-      } else {
+            }
+
+
+
+            
+            else {
     // ignored chunk
     if ( chunk.size > 1000000000 || !input->at(input->at()+chunk.size) ) {
@@ -146,5 +154,5 @@ public:
       }
   } // while
-  qDebug("bits %d", chunkdata.wBitsPerSample);
+
   return TRUE;
     }
@@ -173,5 +181,5 @@ public:
       }
   }
-  if ( chunkdata.wBitsPerSample == 8 ) {
+            if ( resolution == 8 ) {
       l = (data[out++] - 128) * 128;
   } else {
@@ -179,8 +187,8 @@ public:
       out += 2;
   }
-  if ( chunkdata.channels == 1 ) {
+            if ( chan == 1 ) {
       r = l;
   } else {
-      if ( chunkdata.wBitsPerSample == 8 ) {
+                if ( resolution == 8 ) {
     r = (data[out++] - 128) * 128;
       } else {
@@ -192,4 +200,152 @@ public:
     } // 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;
+    }
+
+      /* 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);
+            }
+
+            found++;
+        }
+    }
+
+      /* 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;
+            }
+        }
+    }
+
+    return 0;
+}
+    
+//////////////////////////////////////////////////   
 };
 
@@ -208,5 +364,5 @@ WavPlugin::~WavPlugin() {
 
 bool WavPlugin::isFileSupported( const QString& path ) {
-//    qDebug( "WavPlugin::isFileSupported" );
+    debugMsg( "WavPlugin::isFileSupported" );
 
     char *ext = strrchr( path.latin1(), '.' );
@@ -227,5 +383,5 @@ bool WavPlugin::isFileSupported( const QString& path ) {
 
 bool WavPlugin::open( const QString& path ) {
-//    qDebug( "WavPlugin::open" );
+    qDebug( "WavPlugin::open" );
 
     d->max = d->out = sound_buffer_size;
@@ -241,4 +397,5 @@ bool WavPlugin::open( const QString& path ) {
     }
 
+//    d->getWavSettings( d->input.handle());
     d->initialise();
 
@@ -248,5 +405,5 @@ bool WavPlugin::open( const QString& path ) {
 
 bool WavPlugin::close() {
-//    qDebug( "WavPlugin::close" );
+    qDebug( "WavPlugin::close" );
 
     d->input->close();
@@ -258,5 +415,5 @@ bool WavPlugin::close() {
 
 bool WavPlugin::isOpen() {
-//    qDebug( "WavPlugin::isOpen" );
+    qDebug( "WavPlugin::isOpen" );
     return ( d->input != 0 );
 }
@@ -264,5 +421,5 @@ bool WavPlugin::isOpen() {
 
 int WavPlugin::audioStreams() {
-//    qDebug( "WavPlugin::audioStreams" );
+    qDebug( "WavPlugin::audioStreams" );
     return 1;
 }
@@ -270,24 +427,25 @@ int WavPlugin::audioStreams() {
 
 int WavPlugin::audioChannels( int ) {
-//    qDebug( "WavPlugin::audioChannels" );
-    return d->chunkdata.channels;// 2; // ### Always scale audio to stereo samples
+    debugMsg( "WavPlugin::audioChannels" );
+    return d->chan;
 }
 
 
 int WavPlugin::audioFrequency( int ) {
-//    qDebug( "WavPlugin::audioFrequency %d", d->chunkdata.samplesPerSec );
-    return  d->chunkdata.samplesPerSec; //44100; // ### Always scale to frequency of 44100
+    qDebug( "WavPlugin::audioFrequency" );
+    return d->freq;
 }
 
 
 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
+    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
 }
 
 
 bool WavPlugin::audioSetSample( long, int ) {
-//    qDebug( "WavPlugin::audioSetSample" );
+    qDebug( "WavPlugin::audioSetSample" );
     return FALSE;
 }
@@ -295,5 +453,5 @@ bool WavPlugin::audioSetSample( long, int ) {
 
 long WavPlugin::audioGetSample( int ) {
-//    qDebug( "WavPlugin::audioGetSample" );
+    qDebug( "WavPlugin::audioGetSample" );
     return 0;
 }
@@ -325,17 +483,12 @@ 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 );
 }
 
 double WavPlugin::getTime() {
-//    qDebug( "WavPlugin::getTime" );
+    qDebug( "WavPlugin::getTime" );
     return 0.0;
 }
 
-int WavPlugin::audioBitsPerSample( int ) {
-//    qDebug( "WavPlugin::audioFormat %d", d->chunkdata.wBitsPerSample );
-    return d->chunkdata.wBitsPerSample; // 
-}
-