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_enc.h"
26
27#define OFFSET(x) offsetof(struct decklink_cctx, x)
28#define ENC AV_OPT_FLAG_ENCODING_PARAM
29static const AVOption options[] = {
30    { "list_devices", "list available devices"  , OFFSET(list_devices), AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 1, ENC },
31    { "list_formats", "list supported formats"  , OFFSET(list_formats), AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 1, ENC },
32    { "preroll"     , "video preroll in seconds", OFFSET(preroll     ), AV_OPT_TYPE_DOUBLE, { .dbl = 0.5 }, 0, 5, ENC },
33    { NULL },
34};
35
36static const AVClass decklink_muxer_class = {
37    .class_name = "Blackmagic DeckLink muxer",
38    .item_name  = av_default_item_name,
39    .option     = options,
40    .version    = LIBAVUTIL_VERSION_INT,
41    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
42};
43
44AVOutputFormat ff_decklink_muxer = {
45    .name           = "decklink",
46    .long_name      = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink output"),
47    .audio_codec    = AV_CODEC_ID_PCM_S16LE,
48    .video_codec    = AV_CODEC_ID_RAWVIDEO,
49    .subtitle_codec = AV_CODEC_ID_NONE,
50    .flags          = AVFMT_NOFILE | AVFMT_RAWPICTURE,
51    .priv_class     = &decklink_muxer_class,
52    .priv_data_size = sizeof(struct decklink_cctx),
53    .write_header   = ff_decklink_write_header,
54    .write_packet   = ff_decklink_write_packet,
55    .write_trailer  = ff_decklink_write_trailer,
56};
57