decklink_dec.cpp File Reference

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

Go to the source code of this file.

Data Structures
struct	VANCLineNumber
class	decklink_input_callback

Macros
#define	MAX_WIDTH_VANC   1920

Functions
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 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)
uint8_t *	vanc_to_cc (AVFormatContext *avctx, uint16_t *buf, size_t words, unsigned &cc_count)
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 int64_t	get_pkt_pts (IDeckLinkVideoInputFrame *videoFrame, IDeckLinkAudioInputPacket *audioFrame, int64_t wallclock, DecklinkPtsSource pts_src, AVRational time_base, int64_t *initial_pts)
static HRESULT	decklink_start_input (AVFormatContext *avctx)
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
static VANCLineNumber	vanc_line_numbers []

Macro Definition Documentation

#define MAX_WIDTH_VANC   1920

Definition at line 51 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

Function Documentation

static int get_vanc_line_idx ( BMDDisplayMode  mode )

static

Definition at line 99 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

static void clear_parity_bits ( uint16_t *  buf, int  len  )

inlinestatic

Definition at line 110 of file decklink_dec.cpp.

Referenced by get_metadata().

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

static

Definition at line 116 of file decklink_dec.cpp.

Referenced by get_metadata().

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

static

Definition at line 139 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

static uint8_t calc_parity_and_line_offset ( int  line )

static

Definition at line 150 of file decklink_dec.cpp.

Referenced by fill_data_unit_head().

static void fill_data_unit_head ( int  line, uint8_t *  tgt  )

static

Definition at line 160 of file decklink_dec.cpp.

Referenced by 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 201 of file decklink_dec.cpp.

Referenced by teletext_data_unit_from_op47_data().

static int linemask_matches ( int  line, int64_t  mask  )

static

Definition at line 219 of file decklink_dec.cpp.

Referenced by 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 229 of file decklink_dec.cpp.

Referenced by 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 246 of file decklink_dec.cpp.

Referenced by get_metadata().

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

Definition at line 265 of file decklink_dec.cpp.

Referenced by get_metadata().

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

Definition at line 355 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

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

static

Definition at line 408 of file decklink_dec.cpp.

Referenced by ff_decklink_read_header().

static void avpacket_queue_flush ( AVPacketQueue *  q )

static

Definition at line 418 of file decklink_dec.cpp.

Referenced by avpacket_queue_end().

static void avpacket_queue_end ( AVPacketQueue *  q )

static

Definition at line 435 of file decklink_dec.cpp.

Referenced by ff_decklink_read_close().

static unsigned long long avpacket_queue_size ( AVPacketQueue *  q )

static

Definition at line 442 of file decklink_dec.cpp.

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

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

static

Definition at line 451 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

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

static

Definition at line 492 of file decklink_dec.cpp.

Referenced by ff_decklink_read_packet().

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

static

Definition at line 583 of file decklink_dec.cpp.

Referenced by decklink_input_callback::VideoInputFrameArrived().

static HRESULT decklink_start_input ( AVFormatContext *  avctx )

static

Definition at line 800 of file decklink_dec.cpp.

Referenced by ff_decklink_read_header().

av_cold int ff_decklink_read_close

(

AVFormatContext *

avctx

)

Definition at line 812 of file decklink_dec.cpp.

av_cold int ff_decklink_read_header

(

AVFormatContext *

avctx

)

Definition at line 831 of file decklink_dec.cpp.

int ff_decklink_read_packet	(	AVFormatContext *	avctx,
		AVPacket *	pkt
	)

Definition at line 1057 of file decklink_dec.cpp.

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

Definition at line 1067 of file decklink_dec.cpp.

Variable Documentation

VANCLineNumber vanc_line_numbers[]

static

Definition at line 66 of file decklink_dec.cpp.