/* (C) 2007 Jean-Marc Valin, CSIRO

*/

/*

   Redistribution and use in source and binary forms, with or without

   modification, are permitted provided that the following conditions

   are met:

   - Redistributions of source code must retain the above copyright

   notice, this list of conditions and the following disclaimer.

   - Redistributions in binary form must reproduce the above copyright

   notice, this list of conditions and the following disclaimer in the

   documentation and/or other materials provided with the distribution.

   - Neither the name of the Xiph.org Foundation nor the names of its

   contributors may be used to endorse or promote products derived from

   this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR

   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include "celt.h"

#include "arch.h"

#include <stdio.h>

#include <stdlib.h>

#include <math.h>

#include <string.h>

int main(int argc, char *argv[])

{

   char *inFile, *outFile;

   FILE *fin, *fout;

   CELTMode *mode=NULL;

   CELTEncoder *enc;

   CELTDecoder *dec;

   int len;

   celt_int32_t frame_size, channels;

   int bytes_per_packet;

   unsigned char data[1024];

   int rate;

   int complexity;

#if !(defined (FIXED_POINT) && defined(STATIC_MODES))

   int i;

   double rmsd = 0;

#endif

   int count = 0;

   celt_int32_t skip;

   celt_int16_t *in, *out;

   if (argc != 9 && argc != 8 && argc != 7)

   {

      fprintf (stderr, "Usage: testcelt <rate> <channels> <frame size> <bytes per packet> [<complexity> [packet loss rate]] <input> <output>\n");

      return 1;

   }

   rate = atoi(argv[1]);

   channels = atoi(argv[2]);

   frame_size = atoi(argv[3]);

   mode = celt051_mode_create(rate, channels, frame_size, NULL);

   celt051_mode_info(mode, CELT_GET_LOOKAHEAD, &skip);

   if (mode == NULL)

   {

      fprintf(stderr, "failed to create a mode\n");

      return 1;

   }

   bytes_per_packet = atoi(argv[4]);

   if (bytes_per_packet < 0 || bytes_per_packet > 200)

   {

      fprintf (stderr, "bytes per packet must be between 10 and 200\n");

      return 1;

   }

   inFile = argv[argc-2];

   fin = fopen(inFile, "rb");

   if (!fin)

   {

      fprintf (stderr, "Could not open input file %s\n", argv[argc-2]);

      return 1;

   }

   outFile = argv[argc-1];

   fout = fopen(outFile, "wb+");

   if (!fout)

   {

      fprintf (stderr, "Could not open output file %s\n", argv[argc-1]);

      return 1;

   }

   /* Use mode4 for stereo and don't forget to change the value of CHANNEL above */

   enc = celt051_encoder_create(mode);

   dec = celt051_decoder_create(mode);

   if (argc>7)

   {

      complexity=atoi(argv[5]);

      celt051_encoder_ctl(enc,CELT_SET_COMPLEXITY(complexity));

   }

   celt051_mode_info(mode, CELT_GET_FRAME_SIZE, &frame_size);

   celt051_mode_info(mode, CELT_GET_NB_CHANNELS, &channels);

   in = (celt_int16_t*)malloc(frame_size*channels*sizeof(celt_int16_t));

   out = (celt_int16_t*)malloc(frame_size*channels*sizeof(celt_int16_t));

   while (!feof(fin))

   {

      fread(in, sizeof(short), frame_size*channels, fin);

      if (feof(fin))

         break;

      len = celt051_encode(enc, in, in, data, bytes_per_packet);

      if (len <= 0)

      {

         fprintf (stderr, "celt051_encode() returned %d\n", len);

         return 1;

      }

      /* This is for simulating bit errors */

#if 0

      int errors = 0;

      int eid = 0;

      /* This simulates random bit error */

      for (i=0;i

      {

         if (rand()%atoi(argv[8])==0)

         {

            if (i<64)

            {

               errors++;

               eid = i;

            }

            data[i/8] ^= 1<<(7-(i%8));

         }

      }

      if (errors == 1)

         data[eid/8] ^= 1<<(7-(eid%8));

      else if (errors%2 == 1)

         data[rand()%8] ^= 1<

#endif

#if 1 /* Set to zero to use the encoder's output instead */

      /* This is to simulate packet loss */

      if (argc==10 && rand()%1000

      /*if (errors && (errors%2==0))*/

         celt051_decode(dec, NULL, len, out);

      else

         celt051_decode(dec, data, len, out);

#else

      for (i=0;i

         out[i] = in[i];

#endif

#if !(defined (FIXED_POINT) && defined(STATIC_MODES))

      for (i=0;i

      {

         rmsd += (in[i]-out[i])*1.0*(in[i]-out[i]);

         /*out[i] -= in[i];*/

      }

#endif

      count++;

      fwrite(out+skip, sizeof(short), (frame_size-skip)*channels, fout);

      skip = 0;

   }

   PRINT_MIPS(stderr);

   celt051_encoder_destroy(enc);

   celt051_decoder_destroy(dec);

   fclose(fin);

   fclose(fout);

#if !(defined (FIXED_POINT) && defined(STATIC_MODES))

   if (rmsd > 0)

   {

      rmsd = sqrt(rmsd/(1.0*frame_size*channels*count));

      fprintf (stderr, "Error: encoder doesn't match decoder\n");

      fprintf (stderr, "RMS mismatch is %f\n", rmsd);

      return 1;

   } else {

      fprintf (stderr, "Encoder matches decoder!!\n");

   }

#endif

   celt051_mode_destroy(mode);

   free(in);

   free(out);

   return 0;

}