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	b3a2adaac6
	
	
	
		
			
			Signed-off-by: Matthias Hunstock <atze@fem.tu-ilmenau.de> Signed-off-by: Marton Balint <cus@passwd.hu>
		
			
				
	
	
		
			88 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Blackmagic DeckLink input
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|  * Copyright (c) 2014 Deti Fliegl
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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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| 
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| #include "libavformat/avformat.h"
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| #include "libavutil/opt.h"
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| 
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| #include "decklink_common_c.h"
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| #include "decklink_dec.h"
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| 
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| #define OFFSET(x) offsetof(struct decklink_cctx, x)
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| #define DEC AV_OPT_FLAG_DECODING_PARAM
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| 
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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, DEC },
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|     { "list_formats", "list supported formats"  , OFFSET(list_formats), AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 1, DEC },
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|     { "format_code",  "set format by fourcc"    , OFFSET(format_code),  AV_OPT_TYPE_STRING, { .str = NULL}, 0, 0, DEC },
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|     { "bm_v210",      "v210 10 bit per channel" , OFFSET(v210),         AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 1, DEC },
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|     { "teletext_lines", "teletext lines bitmask", OFFSET(teletext_lines), AV_OPT_TYPE_INT64, { .i64 = 0   }, 0, 0x7ffffffffLL, DEC, "teletext_lines"},
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|     { "standard",     NULL,                                           0,  AV_OPT_TYPE_CONST, { .i64 = 0x7fff9fffeLL}, 0, 0,    DEC, "teletext_lines"},
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|     { "all",          NULL,                                           0,  AV_OPT_TYPE_CONST, { .i64 = 0x7ffffffffLL}, 0, 0,    DEC, "teletext_lines"},
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|     { "channels",     "number of audio channels", OFFSET(audio_channels), AV_OPT_TYPE_INT , { .i64 = 2   }, 2, 16, DEC },
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|     { "duplex_mode",  "duplex mode",              OFFSET(duplex_mode),    AV_OPT_TYPE_INT,   { .i64 = 0}, 0, 2,    DEC, "duplex_mode"},
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|     { "unset",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0,    DEC, "duplex_mode"},
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|     { "half",          NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0,    DEC, "duplex_mode"},
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|     { "full",          NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0,    DEC, "duplex_mode"},
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|     { "video_input",  "video input",              OFFSET(video_input),    AV_OPT_TYPE_INT,   { .i64 = 0}, 0, 6,    DEC, "video_input"},
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|     { "unset",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0,    DEC, "video_input"},
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|     { "sdi",           NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0,    DEC, "video_input"},
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|     { "hdmi",          NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0,    DEC, "video_input"},
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|     { "optical_sdi",   NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0,    DEC, "video_input"},
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|     { "component",     NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0,    DEC, "video_input"},
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|     { "composite",     NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0,    DEC, "video_input"},
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|     { "s_video",       NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0,    DEC, "video_input"},
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|     { "audio_input",  "audio input",              OFFSET(audio_input),    AV_OPT_TYPE_INT,   { .i64 = 0}, 0, 6,    DEC, "audio_input"},
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|     { "unset",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0,    DEC, "audio_input"},
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|     { "embedded",      NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0,    DEC, "audio_input"},
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|     { "aes_ebu",       NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0,    DEC, "audio_input"},
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|     { "analog",        NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0,    DEC, "audio_input"},
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|     { "analog_xlr",    NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0,    DEC, "audio_input"},
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|     { "analog_rca",    NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0,    DEC, "audio_input"},
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|     { "microphone",    NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0,    DEC, "audio_input"},
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|     { "audio_pts",     "audio pts source",   OFFSET(audio_pts_source),    AV_OPT_TYPE_INT,   { .i64 = PTS_SRC_AUDIO    }, 1, 4, DEC, "pts_source"},
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|     { "video_pts",     "video pts source",   OFFSET(video_pts_source),    AV_OPT_TYPE_INT,   { .i64 = PTS_SRC_VIDEO    }, 1, 4, DEC, "pts_source"},
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|     { "audio",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_AUDIO    }, 0, 0, DEC, "pts_source"},
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|     { "video",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_VIDEO    }, 0, 0, DEC, "pts_source"},
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|     { "reference",     NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_REFERENCE}, 0, 0, DEC, "pts_source"},
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|     { "wallclock",     NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_WALLCLOCK}, 0, 0, DEC, "pts_source"},
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|     { "draw_bars",     "draw bars on signal loss" , OFFSET(draw_bars),    AV_OPT_TYPE_BOOL,  { .i64 = 1}, 0, 1, DEC },
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|     { NULL },
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| };
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| 
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| static const AVClass decklink_demuxer_class = {
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|     .class_name = "Blackmagic DeckLink demuxer",
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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_INPUT,
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| };
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| 
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| AVInputFormat ff_decklink_demuxer = {
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|     .name           = "decklink",
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|     .long_name      = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink input"),
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|     .flags          = AVFMT_NOFILE,
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|     .priv_class     = &decklink_demuxer_class,
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|     .priv_data_size = sizeof(struct decklink_cctx),
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|     .read_header   = ff_decklink_read_header,
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|     .read_packet   = ff_decklink_read_packet,
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|     .read_close    = ff_decklink_read_close,
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| };
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