| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 "libavutil/opt.h" | ||
| 22 | #include "avformat.h" | ||
| 23 | #include "mux.h" | ||
| 24 | |||
| 25 | /* Multipart JPEG */ | ||
| 26 | |||
| 27 | #define BOUNDARY_TAG "ffmpeg" | ||
| 28 | |||
| 29 | typedef struct MPJPEGContext { | ||
| 30 | AVClass *class; | ||
| 31 | char *boundary_tag; | ||
| 32 | } MPJPEGContext; | ||
| 33 | |||
| 34 | ✗ | static int mpjpeg_write_header(AVFormatContext *s) | |
| 35 | { | ||
| 36 | ✗ | MPJPEGContext *mpj = s->priv_data; | |
| 37 | ✗ | avio_printf(s->pb, "--%s\r\n", mpj->boundary_tag); | |
| 38 | ✗ | return 0; | |
| 39 | } | ||
| 40 | |||
| 41 | ✗ | static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt) | |
| 42 | { | ||
| 43 | ✗ | MPJPEGContext *mpj = s->priv_data; | |
| 44 | ✗ | avio_printf(s->pb, "Content-type: image/jpeg\r\n"); | |
| 45 | ✗ | avio_printf(s->pb, "Content-length: %d\r\n\r\n", | |
| 46 | pkt->size); | ||
| 47 | ✗ | avio_write(s->pb, pkt->data, pkt->size); | |
| 48 | |||
| 49 | ✗ | avio_printf(s->pb, "\r\n--%s\r\n", mpj->boundary_tag); | |
| 50 | ✗ | return 0; | |
| 51 | } | ||
| 52 | |||
| 53 | static const AVOption options[] = { | ||
| 54 | { "boundary_tag", "Boundary tag", offsetof(MPJPEGContext, boundary_tag), AV_OPT_TYPE_STRING, {.str = BOUNDARY_TAG}, .flags = AV_OPT_FLAG_ENCODING_PARAM }, | ||
| 55 | { NULL }, | ||
| 56 | }; | ||
| 57 | |||
| 58 | static const AVClass mpjpeg_muxer_class = { | ||
| 59 | .class_name = "mpjpeg_muxer", | ||
| 60 | .item_name = av_default_item_name, | ||
| 61 | .option = options, | ||
| 62 | .version = LIBAVUTIL_VERSION_INT, | ||
| 63 | }; | ||
| 64 | |||
| 65 | const FFOutputFormat ff_mpjpeg_muxer = { | ||
| 66 | .p.name = "mpjpeg", | ||
| 67 | .p.long_name = NULL_IF_CONFIG_SMALL("MIME multipart JPEG"), | ||
| 68 | .p.mime_type = "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG, | ||
| 69 | .p.extensions = "mjpg", | ||
| 70 | .priv_data_size = sizeof(MPJPEGContext), | ||
| 71 | .p.audio_codec = AV_CODEC_ID_NONE, | ||
| 72 | .p.video_codec = AV_CODEC_ID_MJPEG, | ||
| 73 | .p.subtitle_codec = AV_CODEC_ID_NONE, | ||
| 74 | .flags_internal = FF_OFMT_FLAG_ONLY_DEFAULT_CODECS, | ||
| 75 | .write_header = mpjpeg_write_header, | ||
| 76 | .write_packet = mpjpeg_write_packet, | ||
| 77 | .p.flags = AVFMT_NOTIMESTAMPS, | ||
| 78 | .p.priv_class = &mpjpeg_muxer_class, | ||
| 79 | }; | ||
| 80 |