mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-27 09:52:17 +00:00
8de9bb6e5e
Since 4f112a8e3, this is not necessary anymore. Also, it allows to
actually disable the flushing.
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/*
|
|
* Multipart JPEG format
|
|
* Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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\r\n", BOUNDARY_TAG);
|
|
avio_write(s->pb, buf1, strlen(buf1));
|
|
avio_flush(s->pb);
|
|
return 0;
|
|
}
|
|
|
|
static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt)
|
|
{
|
|
uint8_t buf1[256];
|
|
|
|
snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\r\n");
|
|
avio_write(s->pb, buf1, strlen(buf1));
|
|
|
|
snprintf(buf1, sizeof(buf1), "Content-length: %d\r\n\r\n", pkt->size);
|
|
avio_write(s->pb, buf1, strlen(buf1));
|
|
avio_write(s->pb, pkt->data, pkt->size);
|
|
|
|
snprintf(buf1, sizeof(buf1), "\r\n--%s\r\n", BOUNDARY_TAG);
|
|
avio_write(s->pb, buf1, strlen(buf1));
|
|
return 0;
|
|
}
|
|
|
|
static int mpjpeg_write_trailer(AVFormatContext *s)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
AVOutputFormat ff_mpjpeg_muxer = {
|
|
.name = "mpjpeg",
|
|
.long_name = NULL_IF_CONFIG_SMALL("MIME multipart JPEG"),
|
|
.mime_type = "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
|
|
.extensions = "mjpg",
|
|
.audio_codec = AV_CODEC_ID_NONE,
|
|
.video_codec = AV_CODEC_ID_MJPEG,
|
|
.write_header = mpjpeg_write_header,
|
|
.write_packet = mpjpeg_write_packet,
|
|
.write_trailer = mpjpeg_write_trailer,
|
|
};
|