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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 Mohamed Tarek
*
* This program 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
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include "rm2wav.h"
#include "cook.h"
//#define DUMP_RAW_FRAMES
#define DEBUGF(message,args ...) av_log(NULL,AV_LOG_ERROR,message,## args)
int main(int argc, char *argv[])
{
int fd, fd_dec;
int res, datasize,x,i;
int nb_frames = 0;
#ifdef DUMP_RAW_FRAMES
char filename[15];
int fd_out;
#endif
int16_t outbuf[2048];
uint8_t inbuf[1024];
uint16_t fs,sps,h;
uint32_t packet_count;
COOKContext q;
RMContext rmctx;
RMPacket pkt;
memset(&q,0,sizeof(COOKContext));
memset(&rmctx,0,sizeof(RMContext));
memset(&pkt,0,sizeof(RMPacket));
if (argc != 2) {
DEBUGF("Incorrect number of arguments\n");
return -1;
}
fd = open(argv[1],O_RDONLY);
if (fd < 0) {
DEBUGF("Error opening file %s\n", argv[1]);
return -1;
}
fd_dec = open_wav("output.wav");
if (fd_dec < 0) {
DEBUGF("Error creating output file\n");
return -1;
}
res = real_parse_header(fd, &rmctx);
packet_count = rmctx.nb_packets;
rmctx.audio_framesize = rmctx.block_align;
rmctx.block_align = rmctx.sub_packet_size;
fs = rmctx.audio_framesize;
sps= rmctx.block_align;
h = rmctx.sub_packet_h;
cook_decode_init(&rmctx,&q);
av_log(NULL,AV_LOG_ERROR,"nb_frames = %d\n",nb_frames);
x = 0;
if(packet_count % h)
{
packet_count += h - (packet_count % h);
rmctx.nb_packets = packet_count;
}
while(packet_count)
{
memset(pkt.data,0,sizeof(pkt.data));
rm_get_packet(fd, &rmctx, &pkt);
DEBUGF("total frames = %d packet count = %d output counter = %d \n",rmctx.audio_pkt_cnt*(fs/sps), packet_count,rmctx.audio_pkt_cnt);
for(i = 0; i < rmctx.audio_pkt_cnt*(fs/sps) ; i++)
{
/* output raw audio frames that are sent to the decoder into separate files */
#ifdef DUMP_RAW_FRAMES
snprintf(filename,sizeof(filename),"dump%d.raw",++x);
fd_out = open(filename,O_WRONLY|O_CREAT|O_APPEND);
write(fd_out,pkt.data+i*sps,sps);
close(fd_out);
#endif
memcpy(inbuf,pkt.data+i*sps,sps);
nb_frames = cook_decode_frame(&rmctx,&q, outbuf, &datasize, inbuf , rmctx.block_align);
rmctx.frame_number++;
write(fd_dec,outbuf,datasize);
}
packet_count -= rmctx.audio_pkt_cnt;
rmctx.audio_pkt_cnt = 0;
}
cook_decode_close(&q);
close_wav(fd_dec,&rmctx);
close(fd);
return 0;
}
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