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/*
* Multipart JPEG format
* Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "avformat.h"
/* Multipart JPEG */
#define BOUNDARY_TAG "ffserver"
static int mpjpeg_write_header(AVFormatContext *s)
{
uint8_t 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_t *buf, int size, int force_pts)
{
uint8_t 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;
}
static AVOutputFormat mpjpeg_format = {
"mpjpeg",
"Mime multipart JPEG format",
"multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
"mjpg",
0,
CODEC_ID_NONE,
CODEC_ID_MJPEG,
mpjpeg_write_header,
mpjpeg_write_packet,
mpjpeg_write_trailer,
};
/*************************************/
/* single frame JPEG */
static int single_jpeg_write_header(AVFormatContext *s)
{
return 0;
}
static int single_jpeg_write_packet(AVFormatContext *s, int stream_index,
uint8_t *buf, int size, int force_pts)
{
put_buffer(&s->pb, buf, size);
put_flush_packet(&s->pb);
return 1; /* no more data can be sent */
}
static int single_jpeg_write_trailer(AVFormatContext *s)
{
return 0;
}
static AVOutputFormat single_jpeg_format = {
"singlejpeg",
"single JPEG image",
"image/jpeg",
NULL, /* note: no extension to favorize jpeg multiple images match */
0,
CODEC_ID_NONE,
CODEC_ID_MJPEG,
single_jpeg_write_header,
single_jpeg_write_packet,
single_jpeg_write_trailer,
};
int jpeg_init(void)
{
av_register_output_format(&mpjpeg_format);
av_register_output_format(&single_jpeg_format);
return 0;
}
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