mirror of
				https://github.com/nyanmisaka/ffmpeg-rockchip.git
				synced 2025-10-31 12:36:41 +08:00 
			
		
		
		
	 694ec84ae9
			
		
	
	694ec84ae9
	
	
	
		
			
			Reviewed-by: Marton Balint <cus@passwd.hu> Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
		
			
				
	
	
		
			88 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Blackmagic DeckLink output
 | |
|  * Copyright (c) 2013-2014 Ramiro Polla
 | |
|  *
 | |
|  * 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_enc.h"
 | |
| 
 | |
| #define OFFSET(x) offsetof(struct decklink_cctx, x)
 | |
| #define ENC AV_OPT_FLAG_ENCODING_PARAM
 | |
| static const AVOption options[] = {
 | |
|     { "list_devices", "use ffmpeg -sinks decklink instead", OFFSET(list_devices), AV_OPT_TYPE_BOOL, { .i64 = 0   }, 0, 1, ENC | AV_OPT_FLAG_DEPRECATED},
 | |
|     { "list_formats", "list supported formats"  , OFFSET(list_formats), AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 1, ENC },
 | |
|     { "preroll"     , "video preroll in seconds", OFFSET(preroll     ), AV_OPT_TYPE_DOUBLE, { .dbl = 0.5 }, 0, 5, ENC },
 | |
| #if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000
 | |
|     { "duplex_mode" , "duplex mode"             , OFFSET(duplex_mode ), AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 5, ENC, "duplex_mode"},
 | |
| #else
 | |
|     { "duplex_mode" , "duplex mode"             , OFFSET(duplex_mode ), AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 2, ENC, "duplex_mode"},
 | |
| #endif
 | |
|     { "unset"       ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 0   }, 0, 0, ENC, "duplex_mode"},
 | |
|     { "half"        ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 1   }, 0, 0, ENC, "duplex_mode"},
 | |
|     { "full"        ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 2   }, 0, 0, ENC, "duplex_mode"},
 | |
| #if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000
 | |
|     { "one_sub_device_full",      NULL           ,0                   , AV_OPT_TYPE_CONST , { .i64 = 2   }, 0, 0, ENC, "duplex_mode"},
 | |
|     { "one_sub_device_half",      NULL           ,0                   , AV_OPT_TYPE_CONST , { .i64 = 3   }, 0, 0, ENC, "duplex_mode"},
 | |
|     { "two_sub_device_full",      NULL           ,0                   , AV_OPT_TYPE_CONST , { .i64 = 4   }, 0, 0, ENC, "duplex_mode"},
 | |
|     { "four_sub_device_half",     NULL           ,0                   , AV_OPT_TYPE_CONST , { .i64 = 5   }, 0, 0, ENC, "duplex_mode"},
 | |
| #endif
 | |
|     { "link" ,         "single/dual/quad SDI link configuration", OFFSET(link), AV_OPT_TYPE_INT, { .i64 = 0   }, 0, 3, ENC, "link"},
 | |
|     { "unset"       ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 0   }, 0, 0, ENC, "link"},
 | |
|     { "single"      ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 1   }, 0, 0, ENC, "link"},
 | |
|     { "dual"        ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 2   }, 0, 0, ENC, "link"},
 | |
|     { "quad"        ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 3   }, 0, 0, ENC, "link"},
 | |
|     { "sqd"         , "set Square Division"     , OFFSET(sqd)         , AV_OPT_TYPE_INT,    { .i64 = -1  }, -1,1, ENC, "sqd"},
 | |
|     { "unset"       ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = -1  }, 0, 0, ENC, "sqd"},
 | |
|     { "false"       ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 0   }, 0, 0, ENC, "sqd"},
 | |
|     { "true"        ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 1   }, 0, 0, ENC, "sqd"},
 | |
|     { "level_a"     , "set SMPTE LevelA"        , OFFSET(level_a)     , AV_OPT_TYPE_INT,    { .i64 = -1  }, -1,1, ENC, "level_a"},
 | |
|     { "unset"       ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = -1  }, 0, 0, ENC, "level_a"},
 | |
|     { "false"       ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 0   }, 0, 0, ENC, "level_a"},
 | |
|     { "true"        ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 1   }, 0, 0, ENC, "level_a"},
 | |
|     { "timing_offset", "genlock timing pixel offset", OFFSET(timing_offset), AV_OPT_TYPE_INT,   { .i64 = INT_MIN }, INT_MIN, INT_MAX, ENC, "timing_offset"},
 | |
|     { "unset"       ,  NULL                     , 0                        , AV_OPT_TYPE_CONST, { .i64 = INT_MIN },       0,       0, ENC, "timing_offset"},
 | |
|     { NULL },
 | |
| };
 | |
| 
 | |
| static const AVClass decklink_muxer_class = {
 | |
|     .class_name = "Blackmagic DeckLink outdev",
 | |
|     .item_name  = av_default_item_name,
 | |
|     .option     = options,
 | |
|     .version    = LIBAVUTIL_VERSION_INT,
 | |
|     .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
 | |
| };
 | |
| 
 | |
| const AVOutputFormat ff_decklink_muxer = {
 | |
|     .name           = "decklink",
 | |
|     .long_name      = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink output"),
 | |
|     .audio_codec    = AV_CODEC_ID_PCM_S16LE,
 | |
|     .video_codec    = AV_CODEC_ID_WRAPPED_AVFRAME,
 | |
|     .subtitle_codec = AV_CODEC_ID_NONE,
 | |
|     .flags          = AVFMT_NOFILE,
 | |
|     .get_device_list = ff_decklink_list_output_devices,
 | |
|     .priv_class     = &decklink_muxer_class,
 | |
|     .priv_data_size = sizeof(struct decklink_cctx),
 | |
|     .write_header   = ff_decklink_write_header,
 | |
|     .write_packet   = ff_decklink_write_packet,
 | |
|     .write_trailer  = ff_decklink_write_trailer,
 | |
| };
 |