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