1 /* 2 * Blackmagic DeckLink output 3 * Copyright (c) 2013-2014 Ramiro Polla 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_enc.h" 27 28 #define OFFSET(x) offsetof(struct decklink_cctx, x) 29 #define ENC AV_OPT_FLAG_ENCODING_PARAM 30 static const AVOption options[] = { 31 { "list_devices", "use ffmpeg -sinks decklink instead", OFFSET(list_devices), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC | AV_OPT_FLAG_DEPRECATED}, 32 { "list_formats", "list supported formats" , OFFSET(list_formats), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, ENC }, 33 { "preroll" , "video preroll in seconds", OFFSET(preroll ), AV_OPT_TYPE_DOUBLE, { .dbl = 0.5 }, 0, 5, ENC }, 34 #if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000 35 { "duplex_mode" , "duplex mode" , OFFSET(duplex_mode ), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 5, ENC, "duplex_mode"}, 36 #else 37 { "duplex_mode" , "duplex mode" , OFFSET(duplex_mode ), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 2, ENC, "duplex_mode"}, 38 #endif 39 { "unset" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 0 }, 0, 0, ENC, "duplex_mode"}, 40 { "half" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 1 }, 0, 0, ENC, "duplex_mode"}, 41 { "full" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 2 }, 0, 0, ENC, "duplex_mode"}, 42 #if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000 43 { "one_sub_device_full", NULL ,0 , AV_OPT_TYPE_CONST , { .i64 = 2 }, 0, 0, ENC, "duplex_mode"}, 44 { "one_sub_device_half", NULL ,0 , AV_OPT_TYPE_CONST , { .i64 = 3 }, 0, 0, ENC, "duplex_mode"}, 45 { "two_sub_device_full", NULL ,0 , AV_OPT_TYPE_CONST , { .i64 = 4 }, 0, 0, ENC, "duplex_mode"}, 46 { "four_sub_device_half", NULL ,0 , AV_OPT_TYPE_CONST , { .i64 = 5 }, 0, 0, ENC, "duplex_mode"}, 47 #endif 48 { "link" , "single/dual/quad SDI link configuration", OFFSET(link), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 3, ENC, "link"}, 49 { "unset" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 0 }, 0, 0, ENC, "link"}, 50 { "single" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 1 }, 0, 0, ENC, "link"}, 51 { "dual" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 2 }, 0, 0, ENC, "link"}, 52 { "quad" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 3 }, 0, 0, ENC, "link"}, 53 { "sqd" , "set Square Division" , OFFSET(sqd) , AV_OPT_TYPE_INT, { .i64 = -1 }, -1,1, ENC, "sqd"}, 54 { "unset" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = -1 }, 0, 0, ENC, "sqd"}, 55 { "false" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 0 }, 0, 0, ENC, "sqd"}, 56 { "true" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 1 }, 0, 0, ENC, "sqd"}, 57 { "level_a" , "set SMPTE LevelA" , OFFSET(level_a) , AV_OPT_TYPE_INT, { .i64 = -1 }, -1,1, ENC, "level_a"}, 58 { "unset" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = -1 }, 0, 0, ENC, "level_a"}, 59 { "false" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 0 }, 0, 0, ENC, "level_a"}, 60 { "true" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 1 }, 0, 0, ENC, "level_a"}, 61 { "timing_offset", "genlock timing pixel offset", OFFSET(timing_offset), AV_OPT_TYPE_INT, { .i64 = INT_MIN }, INT_MIN, INT_MAX, ENC, "timing_offset"}, 62 { "unset" , NULL , 0 , AV_OPT_TYPE_CONST, { .i64 = INT_MIN }, 0, 0, ENC, "timing_offset"}, 63 { NULL }, 64 }; 65 66 static const AVClass decklink_muxer_class = { 67 .class_name = "Blackmagic DeckLink outdev", 68 .item_name = av_default_item_name, 69 .option = options, 70 .version = LIBAVUTIL_VERSION_INT, 71 .category = AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT, 72 }; 73 74 const AVOutputFormat ff_decklink_muxer = { 75 .name = "decklink", 76 .long_name = NULL_IF_CONFIG_SMALL("Blackmagic DeckLink output"), 77 .audio_codec = AV_CODEC_ID_PCM_S16LE, 78 .video_codec = AV_CODEC_ID_WRAPPED_AVFRAME, 79 .subtitle_codec = AV_CODEC_ID_NONE, 80 .flags = AVFMT_NOFILE, 81 .get_device_list = ff_decklink_list_output_devices, 82 .priv_class = &decklink_muxer_class, 83 .priv_data_size = sizeof(struct decklink_cctx), 84 .write_header = ff_decklink_write_header, 85 .write_packet = ff_decklink_write_packet, 86 .write_trailer = ff_decklink_write_trailer, 87 }; 88