/*
 *  probe_wav.c
 *
 *  Copyright (C) Thomas Östreich - June 2001
 *
 *  This file is part of transcode, a video stream processing tool
 *      
 *  transcode is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *   
 *  transcode is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *   
 *  You should have received a copy of the GNU General Public License
 *  along with GNU Make; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
 *
 */

#include "ioaux.h"
#include "tc.h"
#include "avilib.h"

void probe_wav(info_t *ipipe)
{

  struct wave_header rtf;

  // read frame 
  if(AVI_read_wave_header(ipipe->fd_in, &rtf) != 0) {
     fprintf(stderr, "(%s) %s\n", __FILE__, AVI_strerror());
     ipipe->error=1;
     return;
  }
  
  ipipe->probe_info->track[0].samplerate = rtf.common.dwSamplesPerSec;
  ipipe->probe_info->track[0].chan = rtf.common.wChannels;
  ipipe->probe_info->track[0].bits = rtf.common.wBitsPerSample;
  ipipe->probe_info->track[0].bitrate = rtf.common.dwAvgBytesPerSec*8/1000;
  ipipe->probe_info->track[0].format = 0x1;
  
  ipipe->probe_info->magic = TC_MAGIC_WAV;
  ipipe->probe_info->codec = TC_CODEC_PCM;
  
  if(ipipe->probe_info->track[0].chan>0) ipipe->probe_info->num_tracks=1;

  return;
}
