blob: 03734f8507b462d96457d5171b5e7fac5f68d9b1
1 | /* |
2 | * Blackmagic DeckLink output |
3 | * Copyright (c) 2013-2014 Ramiro Polla |
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 | |
22 | #include "libavformat/avformat.h" |
23 | #include "libavutil/opt.h" |
24 | |
25 | #include "decklink_common_c.h" |
26 | #include "decklink_enc.h" |
27 | |
28 | #define OFFSET(x) offsetof(struct decklink_cctx, x) |
29 | #define ENC AV_OPT_FLAG_ENCODING_PARAM |
30 | static const AVOption options[] = { |
31 | { "list_devices", "list available devices" , OFFSET(list_devices), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, ENC }, |
32 | { "list_formats", "list supported formats" , OFFSET(list_formats), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, ENC }, |
33 | { "preroll" , "video preroll in seconds", OFFSET(preroll ), AV_OPT_TYPE_DOUBLE, { .dbl = 0.5 }, 0, 5, ENC }, |
34 | { NULL }, |
35 | }; |
36 | |
37 | static const AVClass decklink_muxer_class = { |
38 | .class_name = "Blackmagic DeckLink muxer", |
39 | .item_name = av_default_item_name, |
40 | .option = options, |
41 | .version = LIBAVUTIL_VERSION_INT, |
42 | .category = AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT, |
43 | }; |
44 | |
45 | AVOutputFormat ff_decklink_muxer = { |
46 | .name = "decklink", |
47 | .long_name = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink output"), |
48 | .audio_codec = AV_CODEC_ID_PCM_S16LE, |
49 | .video_codec = AV_CODEC_ID_WRAPPED_AVFRAME, |
50 | .subtitle_codec = AV_CODEC_ID_NONE, |
51 | .flags = AVFMT_NOFILE, |
52 | .priv_class = &decklink_muxer_class, |
53 | .priv_data_size = sizeof(struct decklink_cctx), |
54 | .write_header = ff_decklink_write_header, |
55 | .write_packet = ff_decklink_write_packet, |
56 | .write_trailer = ff_decklink_write_trailer, |
57 | }; |
58 |