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decklink_dec_c.c
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1 /*
2  * Blackmagic DeckLink output
3  * Copyright (c) 2014 Deti Fliegl
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_dec.h"
27 
28 #define OFFSET(x) offsetof(struct decklink_cctx, x)
29 #define DEC AV_OPT_FLAG_DECODING_PARAM
30 
31 static const AVOption options[] = {
32  { "list_devices", "list available devices" , OFFSET(list_devices), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, DEC },
33  { "list_formats", "list supported formats" , OFFSET(list_formats), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, DEC },
34  { NULL },
35 };
36 
38  .class_name = "Blackmagic DeckLink demuxer",
39  .item_name = av_default_item_name,
40  .option = options,
41  .version = LIBAVUTIL_VERSION_INT,
43 };
44 
46  .name = "decklink",
47  .long_name = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink input"),
48  .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE,
49  .priv_class = &decklink_demuxer_class,
50  .priv_data_size = sizeof(struct decklink_cctx),
51  .read_header = ff_decklink_read_header,
52  .read_packet = ff_decklink_read_packet,
53  .read_close = ff_decklink_read_close,
54 };