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Diffstat (limited to 'apps/codecs/libcook/main.c')
-rw-r--r--apps/codecs/libcook/main.c190
1 files changed, 0 insertions, 190 deletions
diff --git a/apps/codecs/libcook/main.c b/apps/codecs/libcook/main.c
deleted file mode 100644
index 928cad298e..0000000000
--- a/apps/codecs/libcook/main.c
+++ /dev/null
@@ -1,190 +0,0 @@
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 <inttypes.h>
23#include <sys/stat.h>
24#include <fcntl.h>
25#include <unistd.h>
26#include <string.h>
27
28#include "../librm/rm.h"
29#include "cook.h"
30
31//#define DUMP_RAW_FRAMES
32
33#define DATA_HEADER_SIZE 18 /* size of DATA chunk header in a rm file */
34static unsigned char wav_header[44]={
35 'R','I','F','F',// 0 - ChunkID
36 0,0,0,0, // 4 - ChunkSize (filesize-8)
37 'W','A','V','E',// 8 - Format
38 'f','m','t',' ',// 12 - SubChunkID
39 16,0,0,0, // 16 - SubChunk1ID // 16 for PCM
40 1,0, // 20 - AudioFormat (1=Uncompressed)
41 2,0, // 22 - NumChannels
42 0,0,0,0, // 24 - SampleRate in Hz
43 0,0,0,0, // 28 - Byte Rate (SampleRate*NumChannels*(BitsPerSample/8)
44 4,0, // 32 - BlockAlign (== NumChannels * BitsPerSample/8)
45 16,0, // 34 - BitsPerSample
46 'd','a','t','a',// 36 - Subchunk2ID
47 0,0,0,0 // 40 - Subchunk2Size
48};
49
50int open_wav(char* filename) {
51 int fd,res;
52
53 fd=open(filename,O_CREAT|O_WRONLY|O_TRUNC,S_IRUSR|S_IWUSR);
54 if (fd >= 0) {
55 res = write(fd,wav_header,sizeof(wav_header));
56 }
57
58 return(fd);
59}
60
61void close_wav(int fd, RMContext *rmctx, COOKContext *q) {
62 int x,res;
63 int filesize;
64 int bytes_per_sample = 2;
65 int samples_per_frame = q->samples_per_frame;
66 int nb_channels = rmctx->nb_channels;
67 int sample_rate = rmctx->sample_rate;
68 int nb_frames = rmctx->audio_framesize/rmctx->block_align * rmctx->nb_packets - 2; // first 2 frames have no valid audio; skipped in output
69
70 filesize= samples_per_frame*bytes_per_sample*nb_frames +44;
71 printf("Filesize = %d\n",filesize);
72
73 // ChunkSize
74 x=filesize-8;
75 wav_header[4]=(x&0xff);
76 wav_header[5]=(x&0xff00)>>8;
77 wav_header[6]=(x&0xff0000)>>16;
78 wav_header[7]=(x&0xff000000)>>24;
79
80 // Number of channels
81 wav_header[22]=nb_channels;
82
83 // Samplerate
84 wav_header[24]=sample_rate&0xff;
85 wav_header[25]=(sample_rate&0xff00)>>8;
86 wav_header[26]=(sample_rate&0xff0000)>>16;
87 wav_header[27]=(sample_rate&0xff000000)>>24;
88
89 // ByteRate
90 x=sample_rate*bytes_per_sample*nb_channels;
91 wav_header[28]=(x&0xff);
92 wav_header[29]=(x&0xff00)>>8;
93 wav_header[30]=(x&0xff0000)>>16;
94 wav_header[31]=(x&0xff000000)>>24;
95
96 // BlockAlign
97 wav_header[32]=rmctx->block_align;//2*rmctx->nb_channels;
98
99 // Bits per sample
100 wav_header[34]=16;
101
102 // Subchunk2Size
103 x=filesize-44;
104 wav_header[40]=(x&0xff);
105 wav_header[41]=(x&0xff00)>>8;
106 wav_header[42]=(x&0xff0000)>>16;
107 wav_header[43]=(x&0xff000000)>>24;
108
109 lseek(fd,0,SEEK_SET);
110 res = write(fd,wav_header,sizeof(wav_header));
111 close(fd);
112}
113
114int main(int argc, char *argv[])
115{
116 int fd, fd_dec;
117 int res, datasize,i;
118 int nb_frames = 0;
119#ifdef DUMP_RAW_FRAMES
120 char filename[15];
121 int fd_out;
122#endif
123 int32_t outbuf[2048];
124 uint16_t fs,sps,h;
125 uint32_t packet_count;
126 COOKContext q;
127 RMContext rmctx;
128 RMPacket pkt;
129
130 memset(&q,0,sizeof(COOKContext));
131 memset(&rmctx,0,sizeof(RMContext));
132 memset(&pkt,0,sizeof(RMPacket));
133
134 if (argc != 2) {
135 DEBUGF("Incorrect number of arguments\n");
136 return -1;
137 }
138
139 fd = open(argv[1],O_RDONLY);
140 if (fd < 0) {
141 DEBUGF("Error opening file %s\n", argv[1]);
142 return -1;
143 }
144
145 /* copy the input rm file to a memory buffer */
146 uint8_t * filebuf = (uint8_t *)calloc((int)filesize(fd),sizeof(uint8_t));
147 res = read(fd,filebuf,filesize(fd));
148
149 fd_dec = open_wav("output.wav");
150 if (fd_dec < 0) {
151 DEBUGF("Error creating output file\n");
152 return -1;
153 }
154 res = real_parse_header(fd, &rmctx);
155 packet_count = rmctx.nb_packets;
156 rmctx.audio_framesize = rmctx.block_align;
157 rmctx.block_align = rmctx.sub_packet_size;
158 fs = rmctx.audio_framesize;
159 sps= rmctx.block_align;
160 h = rmctx.sub_packet_h;
161 cook_decode_init(&rmctx,&q);
162
163 /* change the buffer pointer to point at the first audio frame */
164 advance_buffer(&filebuf, rmctx.data_offset+ DATA_HEADER_SIZE);
165 while(packet_count)
166 {
167 rm_get_packet(&filebuf, &rmctx, &pkt);
168 //DEBUGF("total frames = %d packet count = %d output counter = %d \n",rmctx.audio_pkt_cnt*(fs/sps), packet_count,rmctx.audio_pkt_cnt);
169 for(i = 0; i < rmctx.audio_pkt_cnt*(fs/sps) ; i++)
170 {
171 /* output raw audio frames that are sent to the decoder into separate files */
172#ifdef DUMP_RAW_FRAMES
173 snprintf(filename,sizeof(filename),"dump%d.raw",++x);
174 fd_out = open(filename,O_WRONLY|O_CREAT|O_APPEND, 0666);
175 write(fd_out,pkt.frames[i],sps);
176 close(fd_out);
177#endif
178 nb_frames = cook_decode_frame(&rmctx,&q, outbuf, &datasize, pkt.frames[i] , rmctx.block_align);
179 rmctx.frame_number++;
180 res = write(fd_dec,outbuf,datasize);
181 }
182 packet_count -= rmctx.audio_pkt_cnt;
183 rmctx.audio_pkt_cnt = 0;
184 }
185 close_wav(fd_dec, &rmctx, &q);
186 close(fd);
187
188
189 return 0;
190}