Statistics
| Branch: | Revision:

ffmpeg / libavformat / mpjpeg.c @ c04c3282

History | View | Annotate | Download (1.97 KB)

1
/*
2
 * Multipart JPEG format
3
 * Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard.
4
 *
5
 * This library is free software; you can redistribute it and/or
6
 * modify it under the terms of the GNU Lesser General Public
7
 * License as published by the Free Software Foundation; either
8
 * version 2 of the License, or (at your option) any later version.
9
 *
10
 * This library is distributed in the hope that it will be useful,
11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13
 * Lesser General Public License for more details.
14
 *
15
 * You should have received a copy of the GNU Lesser General Public
16
 * License along with this library; if not, write to the Free Software
17
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18
 */
19
#include "avformat.h"
20

    
21
/* Multipart JPEG */
22

    
23
#define BOUNDARY_TAG "ffserver"
24

    
25
#ifdef CONFIG_MUXERS
26
static int mpjpeg_write_header(AVFormatContext *s)
27
{
28
    uint8_t buf1[256];
29

    
30
    snprintf(buf1, sizeof(buf1), "--%s\n", BOUNDARY_TAG);
31
    put_buffer(&s->pb, buf1, strlen(buf1));
32
    put_flush_packet(&s->pb);
33
    return 0;
34
}
35

    
36
static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt)
37
{
38
    uint8_t buf1[256];
39

    
40
    snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\n\n");
41
    put_buffer(&s->pb, buf1, strlen(buf1));
42
    put_buffer(&s->pb, pkt->data, pkt->size);
43

    
44
    snprintf(buf1, sizeof(buf1), "\n--%s\n", BOUNDARY_TAG);
45
    put_buffer(&s->pb, buf1, strlen(buf1));
46
    put_flush_packet(&s->pb);
47
    return 0;
48
}
49

    
50
static int mpjpeg_write_trailer(AVFormatContext *s)
51
{
52
    return 0;
53
}
54

    
55
static AVOutputFormat mpjpeg_format = {
56
    "mpjpeg",
57
    "Mime multipart JPEG format",
58
    "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
59
    "mjpg",
60
    0,
61
    CODEC_ID_NONE,
62
    CODEC_ID_MJPEG,
63
    mpjpeg_write_header,
64
    mpjpeg_write_packet,
65
    mpjpeg_write_trailer,
66
};
67

    
68
int jpeg_init(void)
69
{
70
    av_register_output_format(&mpjpeg_format);
71
    return 0;
72
}
73
#endif //CONFIG_MUXERS