2 * Multipart JPEG format
3 * Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #define BOUNDARY_TAG "ffserver"
27 static int mpjpeg_write_header(AVFormatContext *s)
31 snprintf(buf1, sizeof(buf1), "--%s\r\n", BOUNDARY_TAG);
32 avio_write(s->pb, buf1, strlen(buf1));
37 static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt)
41 snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\r\n");
42 avio_write(s->pb, buf1, strlen(buf1));
44 snprintf(buf1, sizeof(buf1), "Content-length: %d\r\n\r\n", pkt->size);
45 avio_write(s->pb, buf1, strlen(buf1));
46 avio_write(s->pb, pkt->data, pkt->size);
48 snprintf(buf1, sizeof(buf1), "\r\n--%s\r\n", BOUNDARY_TAG);
49 avio_write(s->pb, buf1, strlen(buf1));
53 static int mpjpeg_write_trailer(AVFormatContext *s)
58 AVOutputFormat ff_mpjpeg_muxer = {
60 .long_name = NULL_IF_CONFIG_SMALL("MIME multipart JPEG"),
61 .mime_type = "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
63 .audio_codec = AV_CODEC_ID_NONE,
64 .video_codec = AV_CODEC_ID_MJPEG,
65 .write_header = mpjpeg_write_header,
66 .write_packet = mpjpeg_write_packet,
67 .write_trailer = mpjpeg_write_trailer,