apps/codecs/libcook/main.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 Mohamed Tarek
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdint.h>
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <fcntl.h>
  25 #include <unistd.h>
  26 #include <string.h>
  27
  28 #include "rm2wav.h"
  29 #include "cook.h"
  30
  31 //#define DUMP_RAW_FRAMES
  32 #ifndef DEBUGF
  33 #  if 0
  34 #    define DEBUGF(message,args ...) printf
  35 #  else
  36 #    define DEBUGF(...)
  37 #  endif
  38 #endif
  39
  40 int main(int argc, char *argv[])
  41 {
  42     int fd, fd_dec;
  43     int res, datasize,x,i;
  44     int nb_frames = 0;
  45 #ifdef DUMP_RAW_FRAMES
  46     char filename[15];
  47     int fd_out;
  48 #endif
  49     int16_t outbuf[2048];
  50     uint8_t inbuf[1024];
  51     uint16_t fs,sps,h;
  52     uint32_t packet_count;
  53     COOKContext q;
  54     RMContext rmctx;
  55     RMPacket pkt;
  56
  57     memset(&q,0,sizeof(COOKContext));
  58     memset(&rmctx,0,sizeof(RMContext));
  59     memset(&pkt,0,sizeof(RMPacket));
  60
  61     if (argc != 2) {
  62         DEBUGF("Incorrect number of arguments\n");
  63         return -1;
  64     }
  65
  66     fd = open(argv[1],O_RDONLY);
  67     if (fd < 0) {
  68         DEBUGF("Error opening file %s\n", argv[1]);
  69         return -1;
  70     }
  71
  72     fd_dec = open_wav("output.wav");
  73     if (fd_dec < 0) {
  74         DEBUGF("Error creating output file\n");
  75         return -1;
  76     }
  77     res = real_parse_header(fd, &rmctx);
  78     packet_count = rmctx.nb_packets;
  79     rmctx.audio_framesize = rmctx.block_align;
  80     rmctx.block_align = rmctx.sub_packet_size;
  81     fs = rmctx.audio_framesize;
  82     sps= rmctx.block_align;
  83     h = rmctx.sub_packet_h;
  84     cook_decode_init(&rmctx,&q);
  85     DEBUGF("nb_frames = %d\n",nb_frames);
  86     x = 0;
  87     if(packet_count % h)
  88     {
  89         packet_count += h - (packet_count % h);
  90         rmctx.nb_packets = packet_count;
  91     }
  92     while(packet_count)
  93     {
  94
  95         memset(pkt.data,0,sizeof(pkt.data));
  96         rm_get_packet(fd, &rmctx, &pkt);
  97         DEBUGF("total frames = %d packet count = %d output counter = %d \n",rmctx.audio_pkt_cnt*(fs/sps), packet_count,rmctx.audio_pkt_cnt);
  98         for(i = 0; i < rmctx.audio_pkt_cnt*(fs/sps) ; i++)
  99         {
 100             /* output raw audio frames that are sent to the decoder into separate files */
 101             #ifdef DUMP_RAW_FRAMES
 102               snprintf(filename,sizeof(filename),"dump%d.raw",++x);
 103               fd_out = open(filename,O_WRONLY|O_CREAT|O_APPEND);
 104               write(fd_out,pkt.data+i*sps,sps);
 105               close(fd_out);
 106             #endif
 107
 108             memcpy(inbuf,pkt.data+i*sps,sps);
 109             nb_frames = cook_decode_frame(&rmctx,&q, outbuf, &datasize, inbuf , rmctx.block_align);
 110             rmctx.frame_number++;
 111             write(fd_dec,outbuf,datasize);
 112         }
 113         packet_count -= rmctx.audio_pkt_cnt;
 114         rmctx.audio_pkt_cnt = 0;
 115     }
 116     close_wav(fd_dec,&rmctx);
 117     close(fd);
 118
 119
 120   return 0;
 121 }