1 files changed, 127 insertions, 0 deletions
diff --git a/engine/voice_codecs/speex/source/libspeex/testenc.c b/engine/voice_codecs/speex/source/libspeex/testenc.c
new file mode 100644
index 0000000..7033ef4
--- /dev/null
+++ b/engine/voice_codecs/speex/source/libspeex/testenc.c
@@ -0,0 +1,127 @@
+#include "speex.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "speex_callbacks.h"
+
+#define FRAME_SIZE 160
+#include <math.h>
+int main(int argc, char **argv)
+{
+   char *inFile, *outFile, *bitsFile;
+   FILE *fin, *fout, *fbits=NULL;
+   short in[FRAME_SIZE];
+   float input[FRAME_SIZE], bak[FRAME_SIZE], bak2[FRAME_SIZE];
+   char cbits[200];
+   int nbBits;
+   int i;
+   void *st;
+   void *dec;
+   SpeexBits bits;
+   int tmp;
+   int bitCount=0;
+   SpeexCallback callback;
+
+   for (i=0;i<FRAME_SIZE;i++)
+      bak2[i]=0;
+   st = speex_encoder_init(&speex_nb_mode);
+   dec = speex_decoder_init(&speex_nb_mode);
+
+   callback.callback_id = SPEEX_INBAND_CHAR;
+   callback.func = speex_std_char_handler;
+   callback.data = stderr;
+   speex_decoder_ctl(dec, SPEEX_SET_HANDLER, &callback);
+
+   callback.callback_id = SPEEX_INBAND_MODE_REQUEST;
+   callback.func = speex_std_mode_request_handler;
+   callback.data = st;
+   speex_decoder_ctl(dec, SPEEX_SET_HANDLER, &callback);
+
+   tmp=0;
+   speex_decoder_ctl(dec, SPEEX_SET_ENH, &tmp);
+   tmp=0;
+   speex_encoder_ctl(st, SPEEX_SET_VBR, &tmp);
+   tmp=8;
+   speex_encoder_ctl(st, SPEEX_SET_QUALITY, &tmp);
+   tmp=1;
+   speex_encoder_ctl(st, SPEEX_SET_COMPLEXITY, &tmp);
+
+   speex_mode_query(&speex_nb_mode, SPEEX_MODE_FRAME_SIZE, &tmp);
+   fprintf (stderr, "frame size: %d\n", tmp);
+
+   if (argc != 4 && argc != 3)
+   {
+      fprintf (stderr, "Usage: encode [in file] [out file] [bits file]\nargc = %d", argc);
+      exit(1);
+   }
+   inFile = argv[1];
+   fin = fopen(inFile, "r");
+   outFile = argv[2];
+   fout = fopen(outFile, "w");
+   if (argc==4)
+   {
+      bitsFile = argv[3];
+      fbits = fopen(bitsFile, "w");
+   }
+   speex_bits_init(&bits);
+   while (!feof(fin))
+   {
+      fread(in, sizeof(short), FRAME_SIZE, fin);
+      if (feof(fin))
+         break;
+      for (i=0;i<FRAME_SIZE;i++)
+         bak[i]=input[i]=in[i];
+      speex_bits_reset(&bits);
+      /*
+      speex_bits_pack(&bits, 14, 5);
+      speex_bits_pack(&bits, SPEEX_INBAND_CHAR, 4);
+      speex_bits_pack(&bits, 'A', 8);
+      
+      speex_bits_pack(&bits, 14, 5);
+      speex_bits_pack(&bits, SPEEX_INBAND_MODE_REQUEST, 4);
+      speex_bits_pack(&bits, 7, 4);
+
+      speex_bits_pack(&bits, 15, 5);
+      speex_bits_pack(&bits, 2, 4);
+      speex_bits_pack(&bits, 0, 16);
+      */
+      speex_encode(st, input, &bits);
+      nbBits = speex_bits_write(&bits, cbits, 200);
+      bitCount+=bits.nbBits;
+      printf ("Encoding frame in %d bits\n", nbBits*8);
+      if (argc==4)
+         fwrite(cbits, 1, nbBits, fbits);
+      {
+         float enoise=0, esig=0, snr;
+         for (i=0;i<FRAME_SIZE;i++)
+         {
+            enoise+=(bak2[i]-input[i])*(bak2[i]-input[i]);
+            esig += bak2[i]*bak2[i];
+         }
+         snr = 10*log10((esig+1)/(enoise+1));
+         printf ("real SNR = %f\n", snr);
+      }
+      speex_bits_rewind(&bits);
+      
+      speex_decode(dec, &bits, input);
+      
+      /* Save the bits here */
+      for (i=0;i<FRAME_SIZE;i++)
+      {
+         if (input[i]>32000)
+            input[i]=32000;
+         else if (input[i]<-32000)
+            input[i]=-32000;
+      }
+      speex_bits_reset(&bits);
+      for (i=0;i<FRAME_SIZE;i++)
+         in[i]=(short)input[i];
+      for (i=0;i<FRAME_SIZE;i++)
+         bak2[i]=bak[i];
+      fwrite(in, sizeof(short), FRAME_SIZE, fout);
+   }
+   fprintf (stderr, "Total encoded size: %d bits\n", bitCount);
+   
+   speex_encoder_destroy(st);
+   speex_decoder_destroy(dec);
+   return 1;
+}