#include <atomic>
#include <vector>
#include "libavformat/internal.h"
#include <DeckLinkAPI.h>
#include "config.h"
#include "libavcodec/packet_internal.h"
#include "libavformat/avformat.h"
#include "libavutil/avassert.h"
#include "libavutil/avutil.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/time.h"
#include "libavutil/timecode.h"
#include "libavutil/mathematics.h"
#include "libavutil/reverse.h"
#include "avdevice.h"
#include "decklink_common.h"
#include "decklink_dec.h"

Data Structures
struct	VANCLineNumber

class	decklink_allocator

class	decklink_input_callback

Macros
#define	MAX_WIDTH_VANC 1920

Functions
static void	decklink_object_free (void opaque, uint8_t data)

static int	get_vanc_line_idx (BMDDisplayMode mode)

static void	clear_parity_bits (uint16_t *buf, int len)

static int	check_vanc_parity_checksum (uint16_t *buf, int len, uint16_t checksum)

static void	extract_luma_from_v210 (uint16_t dst, const uint8_t src, int width)

static void	unpack_v210 (uint16_t dst, const uint8_t src, int width)

static uint8_t	calc_parity_and_line_offset (int line)

static void	fill_data_unit_head (int line, uint8_t *tgt)

static uint8_t *	teletext_data_unit_from_op47_vbi_packet (int line, uint16_t py, uint8_t tgt)

static int	linemask_matches (int line, int64_t mask)

static uint8_t *	teletext_data_unit_from_op47_data (uint16_t py, uint16_t pend, uint8_t *tgt, int64_t wanted_lines)

static uint8_t *	teletext_data_unit_from_ancillary_packet (uint16_t py, uint16_t pend, uint8_t *tgt, int64_t wanted_lines, int allow_multipacket)

static uint8_t *	vanc_to_cc (AVFormatContext avctx, uint16_t buf, size_t words, unsigned &cc_count)

static uint8_t *	get_metadata (AVFormatContext avctx, uint16_t buf, size_t width, uint8_t tgt, size_t tgt_size, AVPacket pkt)

static void	avpacket_queue_init (AVFormatContext avctx, AVPacketQueue q)

static void	avpacket_queue_flush (AVPacketQueue *q)

static void	avpacket_queue_end (AVPacketQueue *q)

static unsigned long long	avpacket_queue_size (AVPacketQueue *q)

static int	avpacket_queue_put (AVPacketQueue q, AVPacket pkt)

static int	avpacket_queue_get (AVPacketQueue q, AVPacket pkt, int block)

static void	handle_klv (AVFormatContext avctx, decklink_ctx ctx, IDeckLinkVideoInputFrame *videoFrame, int64_t pts)

static int64_t	get_pkt_pts (IDeckLinkVideoInputFrame videoFrame, IDeckLinkAudioInputPacket audioFrame, int64_t wallclock, int64_t abs_wallclock, DecklinkPtsSource pts_src, AVRational time_base, int64_t *initial_pts, int copyts)

static int	get_bmd_timecode (AVFormatContext avctx, AVTimecode tc, AVRational frame_rate, BMDTimecodeFormat tc_format, IDeckLinkVideoInputFrame *videoFrame)

static int	get_frame_timecode (AVFormatContext avctx, decklink_ctx ctx, AVTimecode tc, IDeckLinkVideoInputFrame videoFrame)

static int	decklink_autodetect (struct decklink_cctx *cctx)

av_cold int	ff_decklink_read_close (AVFormatContext *avctx)

av_cold int	ff_decklink_read_header (AVFormatContext *avctx)

int	ff_decklink_read_packet (AVFormatContext avctx, AVPacket pkt)

int	ff_decklink_list_input_devices (AVFormatContext avctx, struct AVDeviceInfoList device_list)

Variables
const BMDDisplayMode	AUTODETECT_DEFAULT_MODE = bmdModeNTSC

static VANCLineNumber	vanc_line_numbers []

Macro Definition Documentation

◆ MAX_WIDTH_VANC

#define MAX_WIDTH_VANC 1920

Definition at line 59 of file decklink_dec.cpp.

Function Documentation

◆ decklink_object_free()

static void decklink_object_free	(	void *	opaque,
		uint8_t *	data
	)

static

Definition at line 147 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

◆ get_vanc_line_idx()

static int get_vanc_line_idx ( BMDDisplayMode mode )

static

Definition at line 154 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

◆ clear_parity_bits()

static void clear_parity_bits	(	uint16_t *	buf,
		int	len
	)

inlinestatic

Definition at line 165 of file decklink_dec.cpp.

Referenced by get_metadata().

◆ check_vanc_parity_checksum()

static int check_vanc_parity_checksum	(	uint16_t *	buf,
		int	len,
		uint16_t	checksum
	)

static

Definition at line 171 of file decklink_dec.cpp.

Referenced by get_metadata().

◆ extract_luma_from_v210()

static void extract_luma_from_v210	(	uint16_t *	dst,
		const uint8_t *	src,
		int	width
	)

static

Definition at line 194 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

◆ unpack_v210()

static void unpack_v210	(	uint16_t *	dst,
		const uint8_t *	src,
		int	width
	)

static

Definition at line 205 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

◆ calc_parity_and_line_offset()

static uint8_t calc_parity_and_line_offset ( int line )

static

Definition at line 216 of file decklink_dec.cpp.

Referenced by fill_data_unit_head().

◆ fill_data_unit_head()

static void fill_data_unit_head	(	int	line,
		uint8_t *	tgt
	)

static

Definition at line 226 of file decklink_dec.cpp.

Referenced by teletext_data_unit_from_op47_vbi_packet().

◆ teletext_data_unit_from_op47_vbi_packet()

static uint8_t* teletext_data_unit_from_op47_vbi_packet	(	int	line,
		uint16_t *	py,
		uint8_t *	tgt
	)

static

Definition at line 267 of file decklink_dec.cpp.

Referenced by teletext_data_unit_from_op47_data().

◆ linemask_matches()

static int linemask_matches	(	int	line,
		int64_t	mask
	)

static

Definition at line 285 of file decklink_dec.cpp.

Referenced by teletext_data_unit_from_op47_data().

◆ teletext_data_unit_from_op47_data()

static uint8_t* teletext_data_unit_from_op47_data	(	uint16_t *	py,
		uint16_t *	pend,
		uint8_t *	tgt,
		int64_t	wanted_lines
	)

static

Definition at line 295 of file decklink_dec.cpp.

Referenced by teletext_data_unit_from_ancillary_packet().

◆ teletext_data_unit_from_ancillary_packet()

static uint8_t* teletext_data_unit_from_ancillary_packet	(	uint16_t *	py,
		uint16_t *	pend,
		uint8_t *	tgt,
		int64_t	wanted_lines,
		int	allow_multipacket
	)

static

Definition at line 312 of file decklink_dec.cpp.

Referenced by get_metadata().

◆ vanc_to_cc()

static uint8_t* vanc_to_cc	(	AVFormatContext *	avctx,
		uint16_t *	buf,
		size_t	words,
		unsigned &	cc_count
	)

static

Definition at line 331 of file decklink_dec.cpp.

Referenced by get_metadata().

◆ get_metadata()

static uint8_t* get_metadata	(	AVFormatContext *	avctx,
		uint16_t *	buf,
		size_t	width,
		uint8_t *	tgt,
		size_t	tgt_size,
		AVPacket *	pkt
	)

static

Definition at line 421 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

◆ avpacket_queue_init()

static void avpacket_queue_init	(	AVFormatContext *	avctx,
		AVPacketQueue *	q
	)

static

Definition at line 474 of file decklink_dec.cpp.

Referenced by ff_decklink_read_header().

◆ avpacket_queue_flush()

static void avpacket_queue_flush ( AVPacketQueue * q )

static

Definition at line 484 of file decklink_dec.cpp.

Referenced by avpacket_queue_end().

◆ avpacket_queue_end()

static void avpacket_queue_end ( AVPacketQueue * q )

static

Definition at line 501 of file decklink_dec.cpp.

Referenced by ff_decklink_read_close().

◆ avpacket_queue_size()

static unsigned long long avpacket_queue_size ( AVPacketQueue * q )

static

Definition at line 508 of file decklink_dec.cpp.

Referenced by avpacket_queue_put(), and decklink_input_callback::VideoInputFrameArrived().

◆ avpacket_queue_put()

static int avpacket_queue_put	(	AVPacketQueue *	q,
		AVPacket *	pkt
	)

static

Definition at line 517 of file decklink_dec.cpp.

Referenced by handle_klv(), and decklink_input_callback::VideoInputFrameArrived().

◆ avpacket_queue_get()

static int avpacket_queue_get	(	AVPacketQueue *	q,
		AVPacket *	pkt,
		int	block
	)

static

Definition at line 559 of file decklink_dec.cpp.

Referenced by ff_decklink_read_packet().

◆ handle_klv()

static void handle_klv	(	AVFormatContext *	avctx,
		decklink_ctx *	ctx,
		IDeckLinkVideoInputFrame *	videoFrame,
		int64_t	pts
	)

static

Definition at line 589 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

◆ get_pkt_pts()

static int64_t get_pkt_pts	(	IDeckLinkVideoInputFrame *	videoFrame,
		IDeckLinkAudioInputPacket *	audioFrame,
		int64_t	wallclock,
		int64_t	abs_wallclock,
		DecklinkPtsSource	pts_src,
		AVRational	time_base,
		int64_t *	initial_pts,
		int	copyts
	)

static

Definition at line 738 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

◆ get_bmd_timecode()

static int get_bmd_timecode	(	AVFormatContext *	avctx,
		AVTimecode *	tc,
		AVRational	frame_rate,
		BMDTimecodeFormat	tc_format,
		IDeckLinkVideoInputFrame *	videoFrame
	)

static

Definition at line 792 of file decklink_dec.cpp.

Referenced by get_frame_timecode().

◆ get_frame_timecode()

static int get_frame_timecode	(	AVFormatContext *	avctx,
		decklink_ctx *	ctx,
		AVTimecode *	tc,
		IDeckLinkVideoInputFrame *	videoFrame
	)

static

Definition at line 814 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

◆ decklink_autodetect()

static int decklink_autodetect ( struct decklink_cctx * cctx )

static

Definition at line 1094 of file decklink_dec.cpp.

Referenced by ff_decklink_read_header().

◆ ff_decklink_read_close()

av_cold int ff_decklink_read_close ( AVFormatContext * avctx )

Definition at line 1144 of file decklink_dec.cpp.

◆ ff_decklink_read_header()

av_cold int ff_decklink_read_header ( AVFormatContext * avctx )

Definition at line 1163 of file decklink_dec.cpp.

◆ ff_decklink_read_packet()

int ff_decklink_read_packet	(	AVFormatContext *	avctx,
		AVPacket *	pkt
	)

Definition at line 1429 of file decklink_dec.cpp.

◆ ff_decklink_list_input_devices()

int ff_decklink_list_input_devices	(	AVFormatContext *	avctx,
		struct AVDeviceInfoList *	device_list
	)

Definition at line 1448 of file decklink_dec.cpp.

Variable Documentation

◆ AUTODETECT_DEFAULT_MODE

const BMDDisplayMode AUTODETECT_DEFAULT_MODE = bmdModeNTSC

Definition at line 60 of file decklink_dec.cpp.

Referenced by decklink_autodetect(), and decklink_input_callback::VideoInputFrameArrived().

◆ vanc_line_numbers

VANCLineNumber vanc_line_numbers[]

static

Definition at line 75 of file decklink_dec.cpp.

Referenced by get_vanc_line_idx(), and decklink_input_callback::VideoInputFrameArrived().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ MAX_WIDTH_VANC

Function Documentation

◆ decklink_object_free()

◆ get_vanc_line_idx()

◆ clear_parity_bits()

◆ check_vanc_parity_checksum()

◆ extract_luma_from_v210()

◆ unpack_v210()

◆ calc_parity_and_line_offset()

◆ fill_data_unit_head()

◆ teletext_data_unit_from_op47_vbi_packet()

◆ linemask_matches()

◆ teletext_data_unit_from_op47_data()

◆ teletext_data_unit_from_ancillary_packet()

◆ vanc_to_cc()

◆ get_metadata()

◆ avpacket_queue_init()

◆ avpacket_queue_flush()

◆ avpacket_queue_end()

◆ avpacket_queue_size()

◆ avpacket_queue_put()

◆ avpacket_queue_get()

◆ handle_klv()

◆ get_pkt_pts()

◆ get_bmd_timecode()

◆ get_frame_timecode()

◆ decklink_autodetect()

◆ ff_decklink_read_close()

◆ ff_decklink_read_header()

◆ ff_decklink_read_packet()

◆ ff_decklink_list_input_devices()

Variable Documentation

◆ AUTODETECT_DEFAULT_MODE

◆ vanc_line_numbers