apps/codecs/libcook/main.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$ main.c 20898 2009-05-09 23:24:02Z dave $
   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
  27 #include "rm2wav.h"
  28 #include "cook.h"
  29
  30 //#define DUMP_RAW_FRAMES
  31 #define DEBUGF(message,args ...) av_log(NULL,AV_LOG_ERROR,message,## args)
  32 int main(int argc, char *argv[])
  33 {
  34     int fd, fd_dec;
  35     int res, datasize,x,i;
  36     int nb_frames = 0;
  37 #ifdef DUMP_RAW_FRAMES
  38     char filename[15];
  39     int fd_out;
  40 #endif
  41     int16_t outbuf[2048];
  42     uint8_t inbuf[1024];
  43     uint16_t fs,sps,h;
  44     uint32_t packet_count;
  45     COOKContext q;
  46     RMContext rmctx;
  47     RMPacket pkt;
  48
  49     memset(&q,0,sizeof(COOKContext));
  50     memset(&rmctx,0,sizeof(RMContext));
  51     memset(&pkt,0,sizeof(RMPacket));
  52
  53     if (argc != 2) {
  54         DEBUGF("Incorrect number of arguments\n");
  55         return -1;
  56     }
  57
  58     fd = open(argv[1],O_RDONLY);
  59     if (fd < 0) {
  60         DEBUGF("Error opening file %s\n", argv[1]);
  61         return -1;
  62     }
  63
  64     fd_dec = open_wav("output.wav");
  65     if (fd_dec < 0) {
  66         DEBUGF("Error creating output file\n");
  67         return -1;
  68     }
  69     res = real_parse_header(fd, &rmctx);
  70     packet_count = rmctx.nb_packets;
  71     rmctx.audio_framesize = rmctx.block_align;
  72     rmctx.block_align = rmctx.sub_packet_size;
  73     fs = rmctx.audio_framesize;
  74     sps= rmctx.block_align;
  75     h = rmctx.sub_packet_h;
  76     cook_decode_init(&rmctx,&q);
  77     av_log(NULL,AV_LOG_ERROR,"nb_frames = %d\n",nb_frames);
  78     x = 0;
  79     if(packet_count % h)
  80     {
  81         packet_count += h - (packet_count % h);
  82         rmctx.nb_packets = packet_count;
  83     }
  84     while(packet_count)
  85     {
  86
  87         memset(pkt.data,0,sizeof(pkt.data));
  88         rm_get_packet(fd, &rmctx, &pkt);
  89         DEBUGF("total frames = %d packet count = %d output counter = %d \n",rmctx.audio_pkt_cnt*(fs/sps), packet_count,rmctx.audio_pkt_cnt);
  90         for(i = 0; i < rmctx.audio_pkt_cnt*(fs/sps) ; i++)
  91         {
  92             /* output raw audio frames that are sent to the decoder into separate files */
  93             #ifdef DUMP_RAW_FRAMES
  94               snprintf(filename,sizeof(filename),"dump%d.raw",++x);
  95               fd_out = open(filename,O_WRONLY|O_CREAT|O_APPEND);
  96               write(fd_out,pkt.data+i*sps,sps);
  97               close(fd_out);
  98             #endif
  99
 100             memcpy(inbuf,pkt.data+i*sps,sps);
 101             nb_frames = cook_decode_frame(&rmctx,&q, outbuf, &datasize, inbuf , rmctx.block_align);
 102             rmctx.frame_number++;
 103             write(fd_dec,outbuf,datasize);
 104         }
 105         packet_count -= rmctx.audio_pkt_cnt;
 106         rmctx.audio_pkt_cnt = 0;
 107     }
 108     cook_decode_close(&q);
 109     close_wav(fd_dec,&rmctx);
 110     close(fd);
 111
 112
 113   return 0;
 114 }