| 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_RAWVIDEO, |
| 50 | .subtitle_codec = AV_CODEC_ID_NONE, |
| 51 | .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE, |
| 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 | }; |