mirror of
https://github.com/FFmpeg/FFmpeg.git
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58 lines
2.2 KiB
C
58 lines
2.2 KiB
C
/*
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* Blackmagic DeckLink output
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* Copyright (c) 2013-2014 Ramiro Polla
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavformat/avformat.h"
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#include "libavutil/opt.h"
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#include "decklink_common_c.h"
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#include "decklink_enc.h"
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#define OFFSET(x) offsetof(struct decklink_cctx, x)
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#define ENC AV_OPT_FLAG_ENCODING_PARAM
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static const AVOption options[] = {
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{ "list_devices", "list available devices" , OFFSET(list_devices), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, ENC },
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{ "list_formats", "list supported formats" , OFFSET(list_formats), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, ENC },
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{ "preroll" , "video preroll in seconds", OFFSET(preroll ), AV_OPT_TYPE_DOUBLE, { .dbl = 0.5 }, 0, 5, ENC },
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{ NULL },
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};
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static const AVClass decklink_muxer_class = {
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.class_name = "Blackmagic DeckLink muxer",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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.category = AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
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};
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AVOutputFormat ff_decklink_muxer = {
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.name = "decklink",
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.long_name = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink output"),
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.audio_codec = AV_CODEC_ID_PCM_S16LE,
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.video_codec = AV_CODEC_ID_RAWVIDEO,
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.subtitle_codec = AV_CODEC_ID_NONE,
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.flags = AVFMT_NOFILE | AVFMT_RAWPICTURE,
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.priv_class = &decklink_muxer_class,
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.priv_data_size = sizeof(struct decklink_cctx),
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.write_header = ff_decklink_write_header,
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.write_packet = ff_decklink_write_packet,
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.write_trailer = ff_decklink_write_trailer,
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};
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