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
75
76
77
78
79
|
#include "libmpeg3.h"
#include <stdlib.h>
#define BUFSIZE 4096
int main(int argc, char *argv[])
{
mpeg3_t *file;
int i, result = 0;
unsigned char *output, **output_rows;
float *audio_output_f;
short *audio_output_i;
long total_samples = 0;
if(argc < 2)
{
printf("Need an MPEG stream.\n");
exit(1);
}
file = mpeg3_open(argv[1]);
if(file)
{
fprintf(stderr, "MMX supported %d\n", file->have_mmx);
fprintf(stderr, "Audio streams: %d\n", mpeg3_total_astreams(file));
for(i = 0; i < mpeg3_total_astreams(file); i++)
{
fprintf(stderr, " Stream %d: channels %d sample rate %d total samples %ld\n",
i,
mpeg3_audio_channels(file, i),
mpeg3_sample_rate(file, i),
mpeg3_audio_samples(file, i));
}
fprintf(stderr, "Video streams: %d\n", mpeg3_total_vstreams(file));
for(i = 0; i < mpeg3_total_vstreams(file); i++)
{
fprintf(stderr, " Stream %d: width %d height %d frame rate %0.3f total frames %ld\n",
i,
mpeg3_video_width(file, i),
mpeg3_video_height(file, i),
mpeg3_frame_rate(file, i),
mpeg3_video_frames(file, i));
}
fprintf(stderr,"S");
mpeg3_set_cpus(file, 1);
fprintf(stderr,"s");
/* audio_output_f = malloc(BUFSIZE * sizeof(float)); */
audio_output_i = (short*)malloc(BUFSIZE * 2 * sizeof(short));
fprintf(stderr,"x");
/* mpeg3_set_sample(file, 11229518, 0); */
/*result = mpeg3_read_audio(file, audio_output_f, 0, 0, BUFSIZE, 0);*/
for (i=0; i<100; i++) {
fprintf(stderr,"c");
result = mpeg3_read_audio(file, 0, audio_output_i, 0, BUFSIZE, 0);
fprintf(stderr,"read\n");
}
//fwrite(audio_output_i, BUFSIZE, 1, stdout);
output = (unsigned char*)malloc(mpeg3_video_width(file, 0) * mpeg3_video_height(file, 0) * 3 + 4);
output_rows = (unsigned char**)malloc(sizeof(unsigned char*) * mpeg3_video_height(file, 0));
for(i = 0; i < mpeg3_video_height(file, 0); i++)
output_rows[i] = &output[i * mpeg3_video_width(file, 0) * 3];
// mpeg3_set_frame(file, 1000, 0);
result = mpeg3_read_frame(file,
output_rows,
0,
0,
mpeg3_video_width(file, 0),
mpeg3_video_height(file, 0),
mpeg3_video_width(file, 0),
mpeg3_video_height(file, 0),
MPEG3_RGB888,
0);
mpeg3_close(file);
}
return 0;
}
|
