nutdec.c File Reference

Go to the source code of this file.

Functions
static int	get_str (ByteIOContext *bc, char *string, unsigned int maxlen)
static int64_t	get_s (ByteIOContext *bc)
static uint64_t	get_fourcc (ByteIOContext *bc)
static uint64_t	get_v_trace (ByteIOContext *bc, char *file, char *func, int line)
static int64_t	get_s_trace (ByteIOContext *bc, char *file, char *func, int line)
static uint64_t	get_vb_trace (ByteIOContext *bc, char *file, char *func, int line)
static int	get_packetheader (NUTContext *nut, ByteIOContext *bc, int calculate_checksum, uint64_t startcode)
static uint64_t	find_any_startcode (ByteIOContext *bc, int64_t pos)
static int64_t	find_startcode (ByteIOContext *bc, uint64_t code, int64_t pos)
	Find the given startcode.
static int	nut_probe (AVProbeData *p)
static int	skip_reserved (ByteIOContext *bc, int64_t pos)
static int	decode_main_header (NUTContext *nut)
static int	decode_stream_header (NUTContext *nut)
static int	decode_info_header (NUTContext *nut)
static int	decode_syncpoint (NUTContext *nut, int64_t *ts, int64_t *back_ptr)
static int	find_and_decode_index (NUTContext *nut)
static int	nut_read_header (AVFormatContext *s, AVFormatParameters *ap)
static int	decode_frame_header (NUTContext *nut, int64_t *pts, int *stream_id, int frame_code)
static int	decode_frame (NUTContext *nut, AVPacket *pkt, int frame_code)
static int	nut_read_packet (AVFormatContext *s, AVPacket *pkt)
static int64_t	nut_read_timestamp (AVFormatContext *s, int stream_index, int64_t *pos_arg, int64_t pos_limit)
static int	read_seek (AVFormatContext *s, int stream_index, int64_t pts, int flags)
static int	nut_read_close (AVFormatContext *s)
Variables
AVInputFormat	nut_demuxer

---

Function Documentation

static int get_str	(	ByteIOContext *	bc,
		char *	string,
		unsigned int	maxlen
	)			[static]

Definition at line 30 of file nutdec.c.

Referenced by decode_info_header().

static int64_t get_s

(

ByteIOContext *

bc

)

[static]

Definition at line 49 of file nutdec.c.

Referenced by decode_info_header(), decode_main_header(), and get_s_trace().

static uint64_t get_fourcc

(

ByteIOContext *

bc

)

[static]

Definition at line 56 of file nutdec.c.

Referenced by decode_stream_header().

static uint64_t get_v_trace	(	ByteIOContext *	bc,
		char *	file,
		char *	func,
		int	line
	)			[inline, static]

Definition at line 65 of file nutdec.c.

static int64_t get_s_trace	(	ByteIOContext *	bc,
		char *	file,
		char *	func,
		int	line
	)			[inline, static]

Definition at line 72 of file nutdec.c.

static uint64_t get_vb_trace	(	ByteIOContext *	bc,
		char *	file,
		char *	func,
		int	line
	)			[inline, static]

Definition at line 79 of file nutdec.c.

static int get_packetheader	(	NUTContext *	nut,
		ByteIOContext *	bc,
		int	calculate_checksum,
		uint64_t	startcode
	)			[static]

Definition at line 90 of file nutdec.c.

Referenced by decode_info_header(), decode_main_header(), decode_stream_header(), decode_syncpoint(), find_and_decode_index(), and nut_read_packet().

static uint64_t find_any_startcode	(	ByteIOContext *	bc,
		int64_t	pos
	)			[static]

Definition at line 110 of file nutdec.c.

Referenced by find_startcode(), nut_read_header(), and nut_read_packet().

static int64_t find_startcode	(	ByteIOContext *	bc,
		uint64_t	code,
		int64_t	pos
	)			[static]

Find the given startcode.

Parameters:

	code	the startcode
	pos	the start position of the search, or -1 if the current position

Returns:

the position of the startcode or -1 if not found

Definition at line 139 of file nutdec.c.

Referenced by nut_read_header(), nut_read_timestamp(), and read_seek().

static int nut_probe

(

AVProbeData *

p

)

[static]

Definition at line 150 of file nutdec.c.

static int skip_reserved	(	ByteIOContext *	bc,
		int64_t	pos
	)			[static]

Definition at line 170 of file nutdec.c.

Referenced by decode_info_header(), decode_main_header(), decode_stream_header(), decode_syncpoint(), and find_and_decode_index().

static int decode_main_header

(

NUTContext *

nut

)

[static]

Definition at line 182 of file nutdec.c.

Referenced by nut_read_header().

static int decode_stream_header

(

NUTContext *

nut

)

[static]

Definition at line 269 of file nutdec.c.

Referenced by nut_read_header().

static int decode_info_header

(

NUTContext *

nut

)

[static]

Definition at line 355 of file nutdec.c.

Referenced by nut_read_header(), and nut_read_packet().

static int decode_syncpoint	(	NUTContext *	nut,
		int64_t *	ts,
		int64_t *	back_ptr
	)			[static]

Definition at line 413 of file nutdec.c.

Referenced by nut_read_packet(), and nut_read_timestamp().

static int find_and_decode_index

(

NUTContext *

nut

)

[static]

Definition at line 441 of file nutdec.c.

Referenced by nut_read_header().

static int nut_read_header	(	AVFormatContext *	s,
		AVFormatParameters *	ap
	)			[static]

Definition at line 531 of file nutdec.c.

static int decode_frame_header	(	NUTContext *	nut,
		int64_t *	pts,
		int *	stream_id,
		int	frame_code
	)			[static]

Definition at line 593 of file nutdec.c.

Referenced by decode_frame().

static int decode_frame	(	NUTContext *	nut,
		AVPacket *	pkt,
		int	frame_code
	)			[static]

Definition at line 649 of file nutdec.c.

static int nut_read_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			[static]

Definition at line 684 of file nutdec.c.

static int64_t nut_read_timestamp	(	AVFormatContext *	s,
		int	stream_index,
		int64_t *	pos_arg,
		int64_t	pos_limit
	)			[static]

Definition at line 741 of file nutdec.c.

Referenced by read_seek().

static int read_seek	(	AVFormatContext *	s,
		int	stream_index,
		int64_t	pts,
		int	flags
	)			[static]

Definition at line 766 of file nutdec.c.

static int nut_read_close

(

AVFormatContext *

s

)

[static]

Definition at line 818 of file nutdec.c.

---

Variable Documentation

AVInputFormat nut_demuxer

Initial value:

 {
    "nut",
    "nut format",
    sizeof(NUTContext),
    nut_probe,
    nut_read_header,
    nut_read_packet,
    nut_read_close,
    read_seek,
    .extensions = "nut",
}

Definition at line 829 of file nutdec.c.