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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
* Miscellaneous MJPEG based formats
* Copyright (c) 2000 Gerard Lantau.
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <netinet/in.h>
#include <string.h>
#include "avformat.h"
/* Multipart JPEG */
#define BOUNDARY_TAG "ffserver"
static int mpjpeg_write_header(AVFormatContext *s)
{
UINT8 buf1[256];
snprintf(buf1, sizeof(buf1), "--%s\n", BOUNDARY_TAG);
put_buffer(&s->pb, buf1, strlen(buf1));
put_flush_packet(&s->pb);
return 0;
}
static int mpjpeg_write_packet(AVFormatContext *s,
int stream_index, UINT8 *buf, int size)
{
UINT8 buf1[256];
snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\n\n");
put_buffer(&s->pb, buf1, strlen(buf1));
put_buffer(&s->pb, buf, size);
snprintf(buf1, sizeof(buf1), "\n--%s\n", BOUNDARY_TAG);
put_buffer(&s->pb, buf1, strlen(buf1));
put_flush_packet(&s->pb);
return 0;
}
static int mpjpeg_write_trailer(AVFormatContext *s)
{
return 0;
}
AVFormat mpjpeg_format = {
"mpjpeg",
"Mime multipart JPEG format",
"multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
"mjpg",
CODEC_ID_NONE,
CODEC_ID_MJPEG,
mpjpeg_write_header,
mpjpeg_write_packet,
mpjpeg_write_trailer,
};
/* single frame JPEG */
static int jpeg_write_header(AVFormatContext *s)
{
return 0;
}
static int jpeg_write_packet(AVFormatContext *s, int stream_index,
UINT8 *buf, int size)
{
put_buffer(&s->pb, buf, size);
put_flush_packet(&s->pb);
return 1; /* no more data can be sent */
}
static int jpeg_write_trailer(AVFormatContext *s)
{
return 0;
}
AVFormat jpeg_format = {
"jpeg",
"JPEG image",
"image/jpeg",
"jpg,jpeg",
CODEC_ID_NONE,
CODEC_ID_MJPEG,
jpeg_write_header,
jpeg_write_packet,
jpeg_write_trailer,
};
|