2 * Blackmagic DeckLink output
3 * Copyright (c) 2013-2014 Ramiro Polla
5 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavformat/avformat.h"
23 #include "libavutil/opt.h"
25 #include "decklink_common_c.h"
26 #include "decklink_enc.h"
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 { "duplex_mode" , "duplex mode" , OFFSET(duplex_mode ), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 2, ENC, "duplex_mode"},
35 { "unset" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 0 }, 0, 0, ENC, "duplex_mode"},
36 { "half" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 1 }, 0, 0, ENC, "duplex_mode"},
37 { "full" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 2 }, 0, 0, ENC, "duplex_mode"},
41 static const AVClass decklink_muxer_class = {
42 .class_name = "Blackmagic DeckLink muxer",
43 .item_name = av_default_item_name,
45 .version = LIBAVUTIL_VERSION_INT,
46 .category = AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
49 AVOutputFormat ff_decklink_muxer = {
51 .long_name = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink output"),
52 .audio_codec = AV_CODEC_ID_PCM_S16LE,
53 .video_codec = AV_CODEC_ID_WRAPPED_AVFRAME,
54 .subtitle_codec = AV_CODEC_ID_NONE,
55 .flags = AVFMT_NOFILE,
56 .get_device_list = ff_decklink_list_output_devices,
57 .priv_class = &decklink_muxer_class,
58 .priv_data_size = sizeof(struct decklink_cctx),
59 .write_header = ff_decklink_write_header,
60 .write_packet = ff_decklink_write_packet,
61 .write_trailer = ff_decklink_write_trailer,