repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Multipart JPEG format | |
| 3 | * Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard | |
| 4 | * | |
| 5 | * This file is part of FFmpeg. | |
| 6 | * | |
| 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. | |
| 11 | * | |
| 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. | |
| 16 | * | |
| 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 | |
| 20 | */ | |
| 21 | #include "avformat.h" | |
| 22 | ||
| 23 | /* Multipart JPEG */ | |
| 24 | ||
| 25 | #define BOUNDARY_TAG "ffserver" | |
| 26 | ||
| 27 | static int mpjpeg_write_header(AVFormatContext *s) | |
| 28 | { | |
| 29 | uint8_t buf1[256]; | |
| 30 | ||
| 31 | snprintf(buf1, sizeof(buf1), "--%s\r\n", BOUNDARY_TAG); | |
| 32 | avio_write(s->pb, buf1, strlen(buf1)); | |
| 33 | avio_flush(s->pb); | |
| 34 | return 0; | |
| 35 | } | |
| 36 | ||
| 37 | static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt) | |
| 38 | { | |
| 39 | uint8_t buf1[256]; | |
| 40 | ||
| 41 | snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\r\n"); | |
| 42 | avio_write(s->pb, buf1, strlen(buf1)); | |
| 43 | ||
| 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); | |
| 47 | ||
| 48 | snprintf(buf1, sizeof(buf1), "\r\n--%s\r\n", BOUNDARY_TAG); | |
| 49 | avio_write(s->pb, buf1, strlen(buf1)); | |
| 50 | return 0; | |
| 51 | } | |
| 52 | ||
| 53 | static int mpjpeg_write_trailer(AVFormatContext *s) | |
| 54 | { | |
| 55 | return 0; | |
| 56 | } | |
| 57 | ||
| 58 | AVOutputFormat ff_mpjpeg_muxer = { | |
| 59 | .name = "mpjpeg", | |
| 60 | .long_name = NULL_IF_CONFIG_SMALL("MIME multipart JPEG"), | |
| 61 | .mime_type = "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG, | |
| 62 | .extensions = "mjpg", | |
| 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, | |
| 68 | .flags = AVFMT_NOTIMESTAMPS, | |
| 69 | }; |