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pineapple-src/externals/ffmpeg/libavdevice/decklink_dec_c.c
pineappleEA 66ed389c6f early-access version 1680
2021-05-13 11:45:27 +02:00

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/*
* Blackmagic DeckLink input
* Copyright (c) 2014 Deti Fliegl
* Copyright (c) 2017 Akamai Technologies, Inc.
*
* 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 },
{ "format_code", "set format by fourcc" , OFFSET(format_code), AV_OPT_TYPE_STRING, { .str = NULL}, 0, 0, DEC },
{ "raw_format", "pixel format to be returned by the card when capturing" , OFFSET(raw_format), AV_OPT_TYPE_INT, { .i64 = MKBETAG('2','v','u','y')}, 0, UINT_MAX, DEC, "raw_format" },
{ "uyvy422", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MKBETAG('2','v','u','y') }, 0, 0, DEC, "raw_format"},
{ "yuv422p10", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MKBETAG('v','2','1','0') }, 0, 0, DEC, "raw_format"},
{ "argb", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 32 }, 0, 0, DEC, "raw_format"},
{ "bgra", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MKBETAG('B','G','R','A') }, 0, 0, DEC, "raw_format"},
{ "rgb10", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MKBETAG('r','2','1','0') }, 0, 0, DEC, "raw_format"},
{ "enable_klv", "output klv if present in vanc", OFFSET(enable_klv), AV_OPT_TYPE_BOOL, { .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 },
{ "duplex_mode", "duplex mode", OFFSET(duplex_mode), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 2, DEC, "duplex_mode"},
{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "duplex_mode"},
{ "half", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "duplex_mode"},
{ "full", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, DEC, "duplex_mode"},
{ "timecode_format", "timecode format", OFFSET(tc_format), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 7, DEC, "tc_format"},
{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "tc_format"},
{ "rp188vitc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "tc_format"},
{ "rp188vitc2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, DEC, "tc_format"},
{ "rp188ltc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0, DEC, "tc_format"},
{ "rp188any", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0, DEC, "tc_format"},
{ "vitc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0, DEC, "tc_format"},
{ "vitc2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0, DEC, "tc_format"},
{ "serial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 7}, 0, 0, DEC, "tc_format"},
{ "video_input", "video input", OFFSET(video_input), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 6, DEC, "video_input"},
{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "video_input"},
{ "sdi", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "video_input"},
{ "hdmi", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, DEC, "video_input"},
{ "optical_sdi", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0, DEC, "video_input"},
{ "component", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0, DEC, "video_input"},
{ "composite", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0, DEC, "video_input"},
{ "s_video", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0, DEC, "video_input"},
{ "audio_input", "audio input", OFFSET(audio_input), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 6, DEC, "audio_input"},
{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0}, 0, 0, DEC, "audio_input"},
{ "embedded", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, DEC, "audio_input"},
{ "aes_ebu", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, DEC, "audio_input"},
{ "analog", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3}, 0, 0, DEC, "audio_input"},
{ "analog_xlr", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0, DEC, "audio_input"},
{ "analog_rca", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0, DEC, "audio_input"},
{ "microphone", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0, DEC, "audio_input"},
{ "audio_pts", "audio pts source", OFFSET(audio_pts_source), AV_OPT_TYPE_INT, { .i64 = PTS_SRC_AUDIO }, 1, PTS_SRC_NB-1, DEC, "pts_source"},
{ "video_pts", "video pts source", OFFSET(video_pts_source), AV_OPT_TYPE_INT, { .i64 = PTS_SRC_VIDEO }, 1, PTS_SRC_NB-1, DEC, "pts_source"},
{ "audio", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_AUDIO }, 0, 0, DEC, "pts_source"},
{ "video", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_VIDEO }, 0, 0, DEC, "pts_source"},
{ "reference", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_REFERENCE}, 0, 0, DEC, "pts_source"},
{ "wallclock", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_WALLCLOCK}, 0, 0, DEC, "pts_source"},
{ "abs_wallclock", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_ABS_WALLCLOCK}, 0, 0, DEC, "pts_source"},
{ "draw_bars", "draw bars on signal loss" , OFFSET(draw_bars), AV_OPT_TYPE_BOOL, { .i64 = 1}, 0, 1, DEC },
{ "queue_size", "input queue buffer size", OFFSET(queue_size), AV_OPT_TYPE_INT64, { .i64 = (1024 * 1024 * 1024)}, 0, INT64_MAX, DEC },
{ "audio_depth", "audio bitdepth (16 or 32)", OFFSET(audio_depth), AV_OPT_TYPE_INT, { .i64 = 16}, 16, 32, DEC },
{ "decklink_copyts", "copy timestamps, do not remove the initial offset", OFFSET(copyts), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, DEC },
{ "timestamp_align", "capture start time alignment (in seconds)", OFFSET(timestamp_align), AV_OPT_TYPE_DURATION, { .i64 = 0 }, 0, INT_MAX, DEC },
{ "wait_for_tc", "drop frames till a frame with timecode is received. TC format must be set", OFFSET(wait_for_tc), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, DEC },
{ NULL },
};
static const AVClass decklink_demuxer_class = {
.class_name = "Blackmagic DeckLink indev",
.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,
.priv_class = &decklink_demuxer_class,
.priv_data_size = sizeof(struct decklink_cctx),
.get_device_list = ff_decklink_list_input_devices,
.read_header = ff_decklink_read_header,
.read_packet = ff_decklink_read_packet,
.read_close = ff_decklink_read_close,
};
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