header.c File Reference

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Functions
static const uint8_t default_intra_quantizer_matrix[64]	ATTR_ALIGN (16)
void	mpeg2_header_state_init (mpeg2dec_t *mpeg2dec)
void	mpeg2_reset_info (mpeg2_info_t *info)
static void	info_user_data (mpeg2dec_t *mpeg2dec)
int	mpeg2_header_sequence (mpeg2dec_t *mpeg2dec)
static int	sequence_ext (mpeg2dec_t *mpeg2dec)
static int	sequence_display_ext (mpeg2dec_t *mpeg2dec)
static void	simplify (unsigned int *u, unsigned int *v)
static void	finalize_sequence (mpeg2_sequence_t *sequence)
int	mpeg2_guess_aspect (const mpeg2_sequence_t *sequence, unsigned int *pixel_width, unsigned int *pixel_height)
static void	copy_matrix (mpeg2dec_t *mpeg2dec, int index)
static void	finalize_matrix (mpeg2dec_t *mpeg2dec)
static mpeg2_state_t	invalid_end_action (mpeg2dec_t *mpeg2dec)
void	mpeg2_header_sequence_finalize (mpeg2dec_t *mpeg2dec)
int	mpeg2_header_gop (mpeg2dec_t *mpeg2dec)
void	mpeg2_header_gop_finalize (mpeg2dec_t *mpeg2dec)
void	mpeg2_set_fbuf (mpeg2dec_t *mpeg2dec, int b_type)
int	mpeg2_header_picture (mpeg2dec_t *mpeg2dec)
static int	picture_coding_ext (mpeg2dec_t *mpeg2dec)
static int	picture_display_ext (mpeg2dec_t *mpeg2dec)
void	mpeg2_header_picture_finalize (mpeg2dec_t *mpeg2dec, uint32_t accels)
static int	copyright_ext (mpeg2dec_t *mpeg2dec)
static int	quant_matrix_ext (mpeg2dec_t *mpeg2dec)
int	mpeg2_header_extension (mpeg2dec_t *mpeg2dec)
int	mpeg2_header_user_data (mpeg2dec_t *mpeg2dec)
static void	prescale (mpeg2dec_t *mpeg2dec, int index)
mpeg2_state_t	mpeg2_header_slice_start (mpeg2dec_t *mpeg2dec)
static mpeg2_state_t	seek_sequence (mpeg2dec_t *mpeg2dec)
mpeg2_state_t	mpeg2_header_end (mpeg2dec_t *mpeg2dec)

---

Function Documentation

static const uint8_t default_intra_quantizer_matrix [64] ATTR_ALIGN

(

16

)

[static]

Referenced by MPEG2fixup::BuildFrame().

void mpeg2_header_state_init

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 77 of file header.c.

Referenced by invalid_end_action(), mpeg2_close(), mpeg2_reset(), and seek_sequence().

void mpeg2_reset_info

(

mpeg2_info_t *

info

)

Definition at line 117 of file header.c.

Referenced by invalid_end_action(), mpeg2_header_end(), mpeg2_header_gop_finalize(), mpeg2_header_picture_finalize(), mpeg2_header_sequence_finalize(), mpeg2_reset(), and seek_sequence().

static void info_user_data

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 124 of file header.c.

Referenced by invalid_end_action(), mpeg2_header_gop_finalize(), mpeg2_header_picture_finalize(), and mpeg2_header_sequence_finalize().

int mpeg2_header_sequence

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 132 of file header.c.

Referenced by mpeg2_parse_header().

static int sequence_ext

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 201 of file header.c.

Referenced by mpeg2_header_extension().

static int sequence_display_ext

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 249 of file header.c.

Referenced by mpeg2_header_extension().

static void simplify	(	unsigned int *	u,
		unsigned int *	v
	)			[inline, static]

Definition at line 276 of file header.c.

Referenced by finalize_sequence(), and mpeg2_guess_aspect().

static void finalize_sequence

(

mpeg2_sequence_t *

sequence

)

[inline, static]

Definition at line 287 of file header.c.

Referenced by mpeg2_header_sequence_finalize().

int mpeg2_guess_aspect	(	const mpeg2_sequence_t *	sequence,
		unsigned int *	pixel_width,
		unsigned int *	pixel_height
	)

Definition at line 338 of file header.c.

static void copy_matrix	(	mpeg2dec_t *	mpeg2dec,
		int	index
	)			[static]

Definition at line 411 of file header.c.

Referenced by finalize_matrix().

static void finalize_matrix

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 421 of file header.c.

Referenced by mpeg2_header_picture_finalize(), and mpeg2_header_sequence_finalize().

static mpeg2_state_t invalid_end_action

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 439 of file header.c.

Referenced by mpeg2_header_sequence_finalize().

void mpeg2_header_sequence_finalize

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 451 of file header.c.

Referenced by mpeg2_parse_header().

int mpeg2_header_gop

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 500 of file header.c.

Referenced by mpeg2_parse_header().

void mpeg2_header_gop_finalize

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 516 of file header.c.

Referenced by mpeg2_parse_header().

void mpeg2_set_fbuf	(	mpeg2dec_t *	mpeg2dec,
		int	b_type
	)

Definition at line 524 of file header.c.

Referenced by mpeg2_header_picture_finalize(), and mpeg2_set_buf().

int mpeg2_header_picture

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 542 of file header.c.

Referenced by mpeg2_parse_header().

static int picture_coding_ext

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 599 of file header.c.

Referenced by mpeg2_header_extension().

static int picture_display_ext

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 651 of file header.c.

Referenced by mpeg2_header_extension().

void mpeg2_header_picture_finalize	(	mpeg2dec_t *	mpeg2dec,
		uint32_t	accels
	)

Definition at line 680 of file header.c.

Referenced by mpeg2_parse_header().

static int copyright_ext

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 814 of file header.c.

Referenced by mpeg2_header_extension().

static int quant_matrix_ext

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 819 of file header.c.

Referenced by mpeg2_header_extension().

int mpeg2_header_extension

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 836 of file header.c.

Referenced by mpeg2_parse_header().

int mpeg2_header_user_data

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 853 of file header.c.

Referenced by mpeg2_parse_header().

static void prescale	(	mpeg2dec_t *	mpeg2dec,
		int	index
	)			[static]

Definition at line 861 of file header.c.

Referenced by mpeg2_header_slice_start().

mpeg2_state_t mpeg2_header_slice_start

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 883 of file header.c.

Referenced by mpeg2_parse_header().

static mpeg2_state_t seek_sequence

(

mpeg2dec_t *

mpeg2dec

)

[static]

Definition at line 933 of file header.c.

Referenced by mpeg2_header_end().

mpeg2_state_t mpeg2_header_end

(

mpeg2dec_t *

mpeg2dec

)

Definition at line 943 of file header.c.

Referenced by mpeg2_header_sequence_finalize(), and mpeg2_seek_header().