FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavformat/mpjpeg.c
Date: 2024-02-29 09:57:37
Exec Total Coverage
Lines: 0 11 0.0%
Functions: 0 2 0.0%
Branches: 0 0 -%

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 .write_header = mpjpeg_write_header,
74 .write_packet = mpjpeg_write_packet,
75 .p.flags = AVFMT_NOTIMESTAMPS,
76 .p.priv_class = &mpjpeg_muxer_class,
77 };
78