v4l2_decode_module.c File Reference

Include dependency graph for v4l2_decode_module.c:

Data Structures
struct	ESdescriptor
struct	demux
struct	streamContext
struct	outBuf
struct	v4l2DecodeHandle

Macros
#define	V4L2_DECODE_DEFAULT_DEVICE   "/dev/video0"
#define	V4L2_DECODE_DEFAULT_INPUT_FILE   "/opt/edgeai-test-data/videos/video0_1280_768.h264"
#define	V4L2_DECODE_DEFAULT_BUFQ_DEPTH   4
#define	V4L2_DECODE_MAX_BUFQ_DEPTH   10
#define	V4L2_DECODE_MAX_BUFQ_DEPTH_OFFSET   3
#define	MAX_FRAMES   1000
#define	MAX_OUTBUFS   4
#define	ALIGN(x, a)   (((x) + (a) - 1L) & ~((a) - 1L))
#define	HW_ALIGN   64

Functions
void	v4l2_decode_init_cfg (v4l2DecodeCfg *cfg)
static AVFormatContext *	open_stream_file (const char *filename)
static AVStream *	find_stream (AVFormatContext *afc)
struct demux *	demux_init (const char *filename, int *width, int *height, int *bitdepth, enum AVPixelFormat *pix_fmt, enum AVCodecID *codec)
int	demux_read (struct demux *demux, unsigned char *input, int size)
int	demux_rewind (struct demux *demux)
void	demux_deinit (struct demux *demux)
int	stream_framelevel_parsing (streamContext *str, char *input_file, int max_frames)
static int	xioctl (int fh, int request, void *arg)
int	v4l2_decode_check_caps (v4l2DecodeHandle *handle)
int	v4l2_decode_set_fmt (v4l2DecodeHandle *handle)
int	v4l2_decode_request_capture_buffers (v4l2DecodeHandle *handle)
int	v4l2_decode_request_output_buffers (v4l2DecodeHandle *handle)
int	v4l2_decode_map_output_buffers (v4l2DecodeHandle *handle)
int	v4l2_decode_enqueue_outbuf (v4l2DecodeHandle *handle)
int	v4l2_decode_dqueue_outbuf (v4l2DecodeHandle *handle)
int	v4l2_decode_start_output (v4l2DecodeHandle *handle)
v4l2DecodeHandle *	v4l2_decode_create_handle (v4l2DecodeCfg *cfg, v4l2DecodeOutFmt *out_fmt)
int	v4l2_decode_start (v4l2DecodeHandle *handle)
int	v4l2_decode_enqueue_buf (v4l2DecodeHandle *handle, Buf *tiovx_buffer)
Buf *	v4l2_decode_dqueue_buf (v4l2DecodeHandle *handle)
int	v4l2_decode_stop (v4l2DecodeHandle *handle)
int	v4l2_decode_delete_handle (v4l2DecodeHandle *handle)

Macro Definition Documentation

V4L2_DECODE_DEFAULT_DEVICE

#define V4L2_DECODE_DEFAULT_DEVICE   "/dev/video0"

V4L2_DECODE_DEFAULT_INPUT_FILE

#define V4L2_DECODE_DEFAULT_INPUT_FILE   "/opt/edgeai-test-data/videos/video0_1280_768.h264"

V4L2_DECODE_DEFAULT_BUFQ_DEPTH

#define V4L2_DECODE_DEFAULT_BUFQ_DEPTH   4

V4L2_DECODE_MAX_BUFQ_DEPTH

#define V4L2_DECODE_MAX_BUFQ_DEPTH   10

V4L2_DECODE_MAX_BUFQ_DEPTH_OFFSET

#define V4L2_DECODE_MAX_BUFQ_DEPTH_OFFSET   3

MAX_FRAMES

#define MAX_FRAMES   1000

MAX_OUTBUFS

#define MAX_OUTBUFS   4

ALIGN

#define ALIGN	(		x,
			a
	)		(((x) + (a) - 1L) & ~((a) - 1L))

HW_ALIGN

#define HW_ALIGN   64

Function Documentation

v4l2_decode_init_cfg()

void v4l2_decode_init_cfg

(

v4l2DecodeCfg *

cfg

)

open_stream_file()

static AVFormatContext* open_stream_file ( const char *  filename )

static

find_stream()

static AVStream* find_stream ( AVFormatContext *  afc )

static

demux_init()

struct demux* demux_init	(	const char *	filename,
		int *	width,
		int *	height,
		int *	bitdepth,
		enum AVPixelFormat *	pix_fmt,
		enum AVCodecID *	codec
	)

demux_read()

int demux_read	(	struct demux *	demux,
		unsigned char *	input,
		int	size
	)

demux_rewind()

int demux_rewind

(

struct demux *

demux

)

demux_deinit()

void demux_deinit

(

struct demux *

demux

)

stream_framelevel_parsing()

int stream_framelevel_parsing	(	streamContext *	str,
		char *	input_file,
		int	max_frames
	)

xioctl()

static int xioctl ( int  fh, int  request, void *  arg  )

static

v4l2_decode_check_caps()

int v4l2_decode_check_caps

(

v4l2DecodeHandle *

handle

)

v4l2_decode_set_fmt()

int v4l2_decode_set_fmt

(

v4l2DecodeHandle *

handle

)

v4l2_decode_request_capture_buffers()

int v4l2_decode_request_capture_buffers

(

v4l2DecodeHandle *

handle

)

v4l2_decode_request_output_buffers()

int v4l2_decode_request_output_buffers

(

v4l2DecodeHandle *

handle

)

v4l2_decode_map_output_buffers()

int v4l2_decode_map_output_buffers

(

v4l2DecodeHandle *

handle

)

v4l2_decode_enqueue_outbuf()

int v4l2_decode_enqueue_outbuf

(

v4l2DecodeHandle *

handle

)

v4l2_decode_dqueue_outbuf()

int v4l2_decode_dqueue_outbuf

(

v4l2DecodeHandle *

handle

)

v4l2_decode_start_output()

int v4l2_decode_start_output

(

v4l2DecodeHandle *

handle

)

v4l2_decode_create_handle()

v4l2DecodeHandle* v4l2_decode_create_handle	(	v4l2DecodeCfg *	cfg,
		v4l2DecodeOutFmt *	out_fmt
	)

v4l2_decode_start()

int v4l2_decode_start

(

v4l2DecodeHandle *

handle

)

v4l2_decode_enqueue_buf()

int v4l2_decode_enqueue_buf	(	v4l2DecodeHandle *	handle,
		Buf *	tiovx_buffer
	)

v4l2_decode_dqueue_buf()

Buf* v4l2_decode_dqueue_buf

(

v4l2DecodeHandle *

handle

)

v4l2_decode_stop()

int v4l2_decode_stop

(

v4l2DecodeHandle *

handle

)

v4l2_decode_delete_handle()

int v4l2_decode_delete_handle

(

v4l2DecodeHandle *

handle

)