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- /*
- * Blackmagic DeckLink output
- * Copyright (c) 2014 Deti Fliegl
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
- #include "libavformat/avformat.h"
- #include "libavutil/opt.h"
- #include "decklink_common_c.h"
- #include "decklink_dec.h"
- #define OFFSET(x) offsetof(struct decklink_cctx, x)
- #define DEC AV_OPT_FLAG_DECODING_PARAM
- static const AVOption options[] = {
- { "list_devices", "list available devices" , OFFSET(list_devices), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, DEC },
- { "list_formats", "list supported formats" , OFFSET(list_formats), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, DEC },
- { "bm_v210", "v210 10 bit per channel" , OFFSET(v210), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, DEC },
- { "teletext_lines", "teletext lines bitmask", OFFSET(teletext_lines), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, 0x7ffffffffLL, DEC, "teletext_lines"},
- { "standard", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0x7fff9fffeLL}, 0, 0, DEC, "teletext_lines"},
- { "all", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0x7ffffffffLL}, 0, 0, DEC, "teletext_lines"},
- { "channels", "number of audio channels", OFFSET(audio_channels), AV_OPT_TYPE_INT , { .i64 = 2 }, 2, 16, DEC },
- { NULL },
- };
- static const AVClass decklink_demuxer_class = {
- .class_name = "Blackmagic DeckLink demuxer",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
- .category = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
- };
- AVInputFormat ff_decklink_demuxer = {
- .name = "decklink",
- .long_name = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink input"),
- .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE,
- .priv_class = &decklink_demuxer_class,
- .priv_data_size = sizeof(struct decklink_cctx),
- .read_header = ff_decklink_read_header,
- .read_packet = ff_decklink_read_packet,
- .read_close = ff_decklink_read_close,
- };
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