changed header file, and zaurus mono input

1 files changed, 24 insertions, 18 deletions

diff --git a/core/applets/vmemo/vmemo.cpp b/core/applets/vmemo/vmemo.cpp
index 73bd996..83f19f5 100644
--- a/core/applets/vmemo/vmemo.cpp
+++ b/core/applets/vmemo/vmemo.cpp
@@ -27,23 +27,25 @@
 #include <stdlib.h>
 
 typedef struct _waveheader {
   u_long  main_chunk; /* 'RIFF'  */
   u_long  length;     /* filelen */
   u_long  chunk_type; /* 'WAVE'  */
-
   u_long  sub_chunk;  /* 'fmt '                                               */
-  u_long  sc_len;     /* length of sub_chunk, =16        (chunckSize)         */
+  u_long  sc_len;     /* length of sub_chunk, =16     
+                         (chunckSize) format len */
   u_short format;     /* should be 1 for PCM-code        (formatTag)          */
+
   u_short modus;      /* 1 Mono, 2 Stereo                (channels)           */
   u_long  sample_fq;  /* samples per second              (samplesPerSecond)   */
   u_long  byte_p_sec; /* avg bytes per second            (avgBytePerSecond)   */
   u_short byte_p_spl; /* samplesize; 1 or 2 bytes        (blockAlign)         */
   u_short bit_p_spl;  /* 8, 12 or 16 bit                 (bitsPerSample)      */
 
   u_long  data_chunk; /* 'data'      */
+
   u_long  data_length;/* samplecount */
 } WaveHeader;
 
 #define RIFF        0x46464952
 #define WAVE        0x45564157
 #define FMT         0x20746D66
@@ -239,25 +241,28 @@ int VMemo::openDSP()
 {
   Config cfg("Sound");
   cfg.setGroup("Record");
 
   speed = cfg.readNumEntry("SampleRate", 11025);
   channels = cfg.readNumEntry("Stereo", 1) ? 2 : 1; // 1 = stereo(2), 0 = mono(1)
-  if (cfg.readNumEntry("SixteenBit", 1))
+  if (cfg.readNumEntry("SixteenBit", 1)==1)
         {
           format = AFMT_S16_LE;
           resolution = 16;
         }
   else
         {
           format = AFMT_U8;
           resolution = 8;
         }
   
   if(systemZaurus)
+  {
         dsp = open("/dev/dsp1", O_RDWR); //Zaurus needs /dev/dsp1
+  channels=1; //zaurus has one input channel
+  }
   else 
         dsp = open("/dev/dsp", O_RDWR);
   
   if(dsp == -1)
         {
       perror("open(\"/dev/dsp\")");
@@ -298,28 +303,26 @@ int VMemo::openWAV(const char *filename)
           return -1;
         }
   wav=track.handle();
 
   WaveHeader wh;
 
-  wh.main_chunk = RIFF;
-  wh.length     = 0;
-  wh.chunk_type = WAVE;
-
-  wh.sub_chunk  = FMT;
-  wh.sc_len     = 16;
-  wh.format     = PCM_CODE;
-  wh.modus      = channels;
-  wh.sample_fq  = speed;
-  wh.bit_p_spl  = resolution;
-  wh.byte_p_sec = wh.sample_fq * wh.bit_p_spl;
-  wh.byte_p_spl = channels * (wh.bit_p_spl % 8);
-
+  wh.main_chunk = RIFF;// RIFF
+  wh.chunk_type = WAVE;//WAVE
+  wh.sub_chunk  = FMT;// fmt
+  wh.sc_len     = 16;// format length = 16
+  wh.format     = PCM_CODE;// PCM
+  wh.modus      = channels;// channels
+  wh.sample_fq  = speed;//samplerate
+  wh.byte_p_sec = speed * channels *  resolution/8;// av bytes per second
+  wh.byte_p_spl = channels * (resolution / 8);  //block align
+  wh.bit_p_spl  = resolution;//bits per sample 8, or 16
   wh.data_chunk = DATA;
-  wh.data_length= 0;
-
+  wh.data_length= 0; // <---
+//    qDebug("Write header channels %d, speed %d, b/s %d, blockalign %d, bitrate %d"
+//           , wh.modus, wh.sample_fq, wh.byte_p_sec, wh.byte_p_spl, wh.bit_p_spl );
   write (wav, &wh, sizeof(WaveHeader));
 
   return 1;
 }
 
 void VMemo::record(void)
@@ -334,22 +337,25 @@ void VMemo::record(void)
           result = read(dsp, sound, 512); // 8192
           qApp->processEvents();
           write(wav, sound, result);
           qApp->processEvents();
           length += result;
           qApp->processEvents();
+//    printf("%d\r",length);
+//    fflush(stdout);
         }
   
   qWarning("VMemo::record() -> Done recording");
   qWarning("VMemo::record() -> Closing dsp");
 
   value = length+36;
   lseek(wav, 4, SEEK_SET);
   write(wav, &value, 4);
   lseek(wav, 40, SEEK_SET);
   write(wav, &length, 4);
+//  qDebug("File length %d, samplecount %d", value, length);
   track.close();
 
   if( ioctl( dsp, SNDCTL_DSP_RESET,0) == -1)// ); //tell driver to stop for a while
         perror("ioctl(\"SNDCTL_DSP_RESET\")");
   ::close(dsp);