1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*C
(c) 2005 bl0rg.net
**/
#include "conf.h"
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include "mp3.h"
int mp3_trans_frame(mp3_frame_t *frame) {
assert(frame != NULL);
unsigned int i;
for (i = 0; i < 2; i++) {
unsigned int j;
for (j = 0; j < 4; j++)
frame->si.channel[i].scfsi[j] = 1;
}
return 1;
}
#ifdef MP3_TEST
int main(int argc, char *argv[]) {
char *f[2];
if (!(f[0] = *++argv) || !(f[1] = *++argv)) {
fprintf(stderr, "Usage: mp3-write mp3in mp3out\n");
return 1;
}
mp3_file_t in;
if (!mp3_open_read(&in, f[0])) {
fprintf(stderr, "Could not open mp3 file for read: %s\n", f[0]);
return 1;
}
mp3_file_t out;
if (!mp3_open_write(&out, f[1])) {
fprintf(stderr, "Could not open mp3 file for write: %s\n", f[1]);
mp3_close(&in);
return 1;
}
mp3_frame_t frame;
while (mp3_next_frame(&in, &frame) > 0) {
memset(frame.raw, 0, 4 + frame.si_size);
if (!mp3_trans_frame(&frame)) {
fprintf(stderr, "Could not transform frame\n");
mp3_close(&in);
mp3_close(&out);
return 1;
}
if (!mp3_fill_hdr(&frame) ||
!mp3_fill_si(&frame) ||
(mp3_write_frame(&out, &frame) <= 0)) {
fprintf(stderr, "Could not write frame\n");
mp3_close(&in);
mp3_close(&out);
return 1;
}
}
mp3_close(&in);
mp3_close(&out);
return 0;
}
#endif
|
