libavcodec/h264.h File Reference

if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
                        h->ref_cache[list][idx] >>= 1;\
                        h->mv_cache[list][idx][1] <<= 1;\
                        h->mvd_cache[list][idx][1] <<= 1;\
                    }

#define MAP_F2F	(	idx,
		mb_type		)

Value:

if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
                        h->ref_cache[list][idx] <<= 1;\
                        h->mv_cache[list][idx][1] /= 2;\
                        h->mvd_cache[list][idx][1] >>=1;\
                    }

#define MAP_MVS

Value:

MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
                    MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
                    MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
                    MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
                    MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
                    MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
                    MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
                    MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
                    MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
                    MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])

Referenced by fill_decode_caches().

#define MAX_DELAYED_PIC_COUNT 16

Definition at line 57 of file h264.h.

Referenced by decode_frame(), and flush_dpb().

#define MAX_MMCO_COUNT 66

Definition at line 55 of file h264.h.

Referenced by ff_h264_decode_ref_pic_marking().

#define MAX_PPS_COUNT 256

Definition at line 53 of file h264.h.

Referenced by decode_slice_header(), ff_h264_decode_picture_parameter_set(), ff_h264_free_context(), and parse_nal_units().

#define MAX_SLICES 16

The maximum number of slices supported by the decoder.

must be a power of 2

Definition at line 71 of file h264.h.

Referenced by decode_slice(), decode_slice_header(), and fill_filter_caches().

#define MAX_SPS_COUNT 32

Definition at line 52 of file h264.h.

Referenced by ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), and ff_h264_free_context().

#define MB_FIELD h->mb_field_decoding_flag

Definition at line 75 of file h264.h.

Referenced by decode_cabac_mb_skip(), decode_cabac_residual_internal(), decode_mb_skip(), fetch_diagonal_mv(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), hl_decode_mb_internal(), loop_filter(), mc_dir_part(), mc_part_std(), mc_part_weighted(), and xchg_mb_border().

#define mb_intra mb_intra_is_not_initialized_see_mb_type

Definition at line 40 of file h264.h.

#define MB_MBAFF h->mb_mbaff

Definition at line 74 of file h264.h.

Referenced by backup_mb_border(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_filter_caches(), and xchg_mb_border().

#define MB_TYPE_8x8DCT 0x01000000

Definition at line 101 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

#define MB_TYPE_REF0 MB_TYPE_ACPRED

Definition at line 100 of file h264.h.

#define PART_NOT_AVAILABLE -2

Definition at line 320 of file h264.h.

Referenced by context_init(), fetch_diagonal_mv(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_decode_caches(), pred_motion(), pred_pskip_motion(), pred_spatial_direct_motion(), svq3_decode_frame(), and svq3_decode_mb().

#define RUN7_VLC_BITS 6

Definition at line 50 of file h264.h.

Referenced by decode_residual(), and ff_h264_decode_init_vlc().

#define RUN_VLC_BITS 3

Definition at line 49 of file h264.h.

Referenced by decode_residual(), and ff_h264_decode_init_vlc().

#define TOTAL_ZEROS_VLC_BITS 9

Definition at line 47 of file h264.h.

Referenced by decode_residual(), and ff_h264_decode_init_vlc().

Enumeration Type Documentation

anonymous enum

Enumerator:

NAL_SLICE
NAL_DPA
NAL_DPB
NAL_DPC
NAL_IDR_SLICE
NAL_SEI
NAL_SPS
NAL_PPS
NAL_AUD
NAL_END_SEQUENCE
NAL_END_STREAM
NAL_FILLER_DATA
NAL_SPS_EXT
NAL_AUXILIARY_SLICE

Definition at line 113 of file h264.h.

enum MMCOOpcode

Memory management control operation opcode.

Enumerator:

MMCO_END
MMCO_SHORT2UNUSED
MMCO_LONG2UNUSED
MMCO_SHORT2LONG
MMCO_SET_MAX_LONG
MMCO_RESET
MMCO_LONG

Definition at line 242 of file h264.h.

enum SEI_PicStructType

pic_struct in picture timing SEI message

Enumerator:

SEI_PIC_STRUCT_FRAME	0: frame
SEI_PIC_STRUCT_TOP_FIELD	1: top field
SEI_PIC_STRUCT_BOTTOM_FIELD	2: bottom field
SEI_PIC_STRUCT_TOP_BOTTOM	3: top field, bottom field, in that order
SEI_PIC_STRUCT_BOTTOM_TOP	4: bottom field, top field, in that order
SEI_PIC_STRUCT_TOP_BOTTOM_TOP	5: top field, bottom field, top field repeated, in that order
SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM	6: bottom field, top field, bottom field repeated, in that order
SEI_PIC_STRUCT_FRAME_DOUBLING	7: frame doubling
SEI_PIC_STRUCT_FRAME_TRIPLING	8: frame tripling

Definition at line 143 of file h264.h.

enum SEI_Type

SEI message types.

Enumerator:

SEI_BUFFERING_PERIOD	buffering period (H.264, D.1.1)
SEI_TYPE_PIC_TIMING	picture timing
SEI_TYPE_USER_DATA_UNREGISTERED	unregistered user data
SEI_TYPE_RECOVERY_POINT	recovery point (frame # to decoder sync)

Definition at line 133 of file h264.h.

Function Documentation

static void decode_mb_skip ( H264Context * h ) [static]

decodes a P_SKIP or B_SKIP macroblock

Definition at line 1256 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

int ff_h264_alloc_tables ( H264Context * h )

allocates tables.

needs width/height

Definition at line 744 of file h264.c.

Referenced by decode_slice_header(), and svq3_decode_init().

int ff_h264_check_intra4x4_pred_mode ( H264Context * h )

checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.

Definition at line 66 of file h264.c.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and svq3_decode_mb().

int ff_h264_check_intra_pred_mode	(	H264Context *	h,
		int	mode
	)

checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.

Definition at line 105 of file h264.c.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and svq3_decode_mb().

av_cold int ff_h264_decode_end ( AVCodecContext * avctx )

Definition at line 3358 of file h264.c.

av_cold int ff_h264_decode_init ( AVCodecContext * avctx )

Definition at line 847 of file h264.c.

Referenced by svq3_decode_init().

av_cold void ff_h264_decode_init_vlc ( void )

Definition at line 265 of file h264_cavlc.c.

Referenced by ff_h264_decode_init().

int ff_h264_decode_mb_cabac ( H264Context * h )

decodes a CABAC coded macroblock

Returns:: 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed

decodes a CABAC coded macroblock

Returns:: 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed

Definition at line 1186 of file h264_cabac.c.

Referenced by decode_slice().

int ff_h264_decode_mb_cavlc ( H264Context * h )

decodes a macroblock

Returns:: 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed

Definition at line 535 of file h264_cavlc.c.

Referenced by decode_slice().

const uint8_t* ff_h264_decode_nal	(	H264Context *	h,
		const uint8_t *	src,
		int *	dst_length,
		int *	consumed,
		int	length
	)

Decodes a network abstraction layer unit.

Parameters:

	consumed	is the number of bytes used as input
	length	is the length of the array
	dst_length	is the number of decoded bytes FIXME here or a decode rbsp tailing?

Returns:: decoded bytes, might be src+1 if no escapes

Definition at line 137 of file h264.c.

Referenced by decode_nal_units(), and parse_nal_units().

int ff_h264_decode_picture_parameter_set	(	H264Context *	h,
		int	bit_length
	)

Decode PPS.

Definition at line 427 of file h264_ps.c.

Referenced by decode_nal_units(), and parse_nal_units().

int ff_h264_decode_rbsp_trailing	(	H264Context *	h,
		const uint8_t *	src
	)

identifies the exact end of the bitstream

Returns:: the length of the trailing, or 0 if damaged

Definition at line 227 of file h264.c.

Referenced by decode_nal_units().

int ff_h264_decode_ref_pic_list_reordering ( H264Context * h )

Definition at line 187 of file h264_refs.c.

Referenced by decode_slice_header().

int ff_h264_decode_ref_pic_marking	(	H264Context *	h,
		GetBitContext *	gb
	)

Definition at line 633 of file h264_refs.c.

Referenced by decode_slice_header().

int ff_h264_decode_sei ( H264Context * h )

Decode SEI.

Definition at line 164 of file h264_sei.c.

Referenced by decode_nal_units(), and parse_nal_units().

int ff_h264_decode_seq_parameter_set ( H264Context * h )

Decode SPS.

Definition at line 267 of file h264_ps.c.

Referenced by decode_nal_units(), and parse_nal_units().

void ff_h264_direct_dist_scale_factor ( H264Context *const h )

Definition at line 51 of file h264_direct.c.

Referenced by decode_slice_header().

void ff_h264_direct_ref_list_init ( H264Context *const h )

Definition at line 101 of file h264_direct.c.

Referenced by decode_slice_header().

int ff_h264_execute_ref_pic_marking	(	H264Context *	h,
		MMCO *	mmco,
		int	mmco_count
	)

Executes the reference picture marking (memory management control operations).

Definition at line 477 of file h264_refs.c.

Referenced by decode_slice_header(), and field_end().

int ff_h264_fill_default_ref_list ( H264Context * h )

fills the default_ref_list.

Definition at line 108 of file h264_refs.c.

Referenced by decode_slice_header().

void ff_h264_fill_mbaff_ref_list ( H264Context * h )

Definition at line 301 of file h264_refs.c.

Referenced by decode_slice_header().

void ff_h264_filter_mb	(	H264Context *	h,
		int	mb_x,
		int	mb_y,
		uint8_t *	img_y,
		uint8_t *	img_cb,
		uint8_t *	img_cr,
		unsigned int	linesize,
		unsigned int	uvlinesize
	)

Definition at line 656 of file h264_loopfilter.c.

Referenced by ff_h264_filter_mb_fast(), and loop_filter().

void ff_h264_filter_mb_fast	(	H264Context *	h,
		int	mb_x,
		int	mb_y,
		uint8_t *	img_y,
		uint8_t *	img_cb,
		uint8_t *	img_cr,
		unsigned int	linesize,
		unsigned int	uvlinesize
	)

Definition at line 309 of file h264_loopfilter.c.

Referenced by loop_filter().

int ff_h264_frame_start ( H264Context * h )

Definition at line 930 of file h264.c.

Referenced by decode_slice_header(), and svq3_decode_frame().

av_cold void ff_h264_free_context ( H264Context * h )

frees any data that may have been allocated in the H264 context like SPS, PPS etc.

Definition at line 3345 of file h264.c.

Referenced by close(), and ff_h264_decode_end().

int ff_h264_get_slice_type ( const H264Context * h )

reconstructs bitstream slice_type.

Definition at line 2210 of file h264.c.

Referenced by decode_slice(), and fill_slice_long().

void ff_h264_hl_decode_mb ( H264Context * h )

Definition at line 1340 of file h264.c.

Referenced by decode_mb(), decode_slice(), and svq3_decode_frame().

void ff_h264_init_cabac_states ( H264Context * h )

Definition at line 688 of file h264_cabac.c.

Referenced by decode_slice().

void ff_h264_pred_direct_motion	(	H264Context *const	h,
		int *	mb_type
	)

Definition at line 584 of file h264_direct.c.

Referenced by decode_mb_skip(), ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

void ff_h264_remove_all_refs ( H264Context * h )

Definition at line 432 of file h264_refs.c.

Referenced by idr().

void ff_h264_reset_sei ( H264Context * h )

Reset SEI values at the beginning of the frame.

Parameters:

h

H.264 context.

Definition at line 40 of file h264_sei.c.

Referenced by decode_nal_units(), ff_h264_decode_init(), and flush_dpb().

void ff_h264_write_back_intra_pred_mode ( H264Context * h )

Definition at line 54 of file h264.c.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and svq3_decode_mb().

void ff_svq3_add_idct_c	(	uint8_t *	dst,
		DCTELEM *	block,
		int	stride,
		int	qp,
		int	dc
	)

Definition at line 166 of file svq3.c.

Referenced by hl_decode_mb_internal().

void ff_svq3_luma_dc_dequant_idct_c	(	DCTELEM *	block,
		int	qp
	)

Definition at line 129 of file svq3.c.

Referenced by hl_decode_mb_internal().

static void fill_decode_caches	(	H264Context *	h,
		int	mb_type
	)			`[static]`

Definition at line 843 of file h264.h.

Referenced by decode_mb_skip(), ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

static void fill_decode_neighbors	(	H264Context *	h,
		int	mb_type
	)			`[static]`

Definition at line 761 of file h264.h.

Referenced by decode_mb_skip(), ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

static int get_chroma_qp	(	H264Context *	h,
		int	t,
		int	qscale
	)			`[inline, static]`

gets the chroma qp.

Definition at line 755 of file h264.h.

Referenced by decode_slice_header(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), ff_h264_filter_mb_fast(), filter_mb_dir(), and loop_filter().

static int get_dct8x8_allowed ( H264Context * h ) [inline, static]

Definition at line 1246 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

static av_always_inline uint32_t pack16to32	(	int	a,
		int	b
	)			`[static]`

Definition at line 736 of file h264.h.

Referenced by decode_mb(), decode_mb_skip(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_filter_caches(), pred_spatial_direct_motion(), pred_temp_direct_motion(), and svq3_mc_dir().

static av_always_inline uint16_t pack8to16	(	int	a,
		int	b
	)			`[static]`

Definition at line 744 of file h264.h.

Referenced by ff_h264_decode_mb_cabac().

static int pred_intra_mode	(	H264Context *	h,
		int	n
	)			`[inline, static]`

gets the predicted intra4x4 prediction mode.

Definition at line 1169 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

static void pred_pskip_motion	(	H264Context *const	h,
		int *const	mx,
		int *const	my
	)			`[inline, static]`

Referenced by decode_mb_skip().

static void write_back_motion	(	H264Context *	h,
		int	mb_type
	)			`[inline, static]`

Definition at line 1191 of file h264.h.

Referenced by decode_mb_skip(), ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

static void write_back_non_zero_count ( H264Context * h ) [inline, static]

Definition at line 1181 of file h264.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

Variable Documentation

const uint8_t ff_h264_chroma_qp[52]

Definition at line 59 of file h264_ps.c.

Referenced by build_qp_table(), and hl_decode_mb_internal().

const uint8_t scan8[16+2 *4] [static]

Initial value:

{
 4+1*8, 5+1*8, 4+2*8, 5+2*8,
 6+1*8, 7+1*8, 6+2*8, 7+2*8,
 4+3*8, 5+3*8, 4+4*8, 5+4*8,
 6+3*8, 7+3*8, 6+4*8, 7+4*8,
 1+1*8, 2+1*8,
 1+2*8, 2+2*8,
 1+4*8, 2+4*8,
 1+5*8, 2+5*8,
}

Definition at line 725 of file h264.h.

Referenced by context_init(), decode_cabac_mb_ref(), decode_cabac_residual_internal(), decode_mb(), decode_mb_skip(), decode_residual(), fetch_diagonal_mv(), ff_h264_check_intra4x4_pred_mode(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_frame_start(), ff_h264_idct8_add4_altivec(), ff_h264_idct8_add4_c(), ff_h264_idct8_add4_mmx(), ff_h264_idct8_add4_mmx2(), ff_h264_idct8_add4_sse2(), ff_h264_idct_add16_altivec(), ff_h264_idct_add16_c(), ff_h264_idct_add16_mmx(), ff_h264_idct_add16_mmx2(), ff_h264_idct_add16intra_altivec(), ff_h264_idct_add16intra_c(), ff_h264_idct_add16intra_mmx(), ff_h264_idct_add16intra_mmx2(), ff_h264_idct_add8_altivec(), ff_h264_idct_add8_c(), ff_h264_idct_add8_mmx(), ff_h264_idct_add8_mmx2(), fill_decode_caches(), fill_filter_caches(), filter_mb_dir(), get_cabac_cbf_ctx(), hl_decode_mb_internal(), mc_dir_part(), mc_part(), mc_part_std(), mc_part_weighted(), pred_16x8_motion(), pred_8x16_motion(), pred_intra_mode(), pred_motion(), pred_non_zero_count(), pred_pskip_motion(), pred_spatial_direct_motion(), pred_temp_direct_motion(), prefetch_motion(), svq3_decode_frame(), svq3_decode_mb(), svq3_mc_dir(), and write_back_motion().


Data Structures
struct	SPS
	Sequence parameter set. More...
struct	PPS
	Picture parameter set. More...
struct	MMCO
	Memory management control operation. More...
struct	H264Context
	H264Context. More...
Defines
#define	interlaced_dct interlaced_dct_is_a_bad_name
#define	mb_intra mb_intra_is_not_initialized_see_mb_type
#define	LUMA_DC_BLOCK_INDEX 25
#define	CHROMA_DC_BLOCK_INDEX 26
#define	CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
#define	COEFF_TOKEN_VLC_BITS 8
#define	TOTAL_ZEROS_VLC_BITS 9
#define	CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
#define	RUN_VLC_BITS 3
#define	RUN7_VLC_BITS 6
#define	MAX_SPS_COUNT 32
#define	MAX_PPS_COUNT 256
#define	MAX_MMCO_COUNT 66
#define	MAX_DELAYED_PIC_COUNT 16
#define	ALLOW_INTERLACE
#define	ALLOW_NOCHROMA
#define	FMO 0
#define	MAX_SLICES 16
	The maximum number of slices supported by the decoder.
#define	MB_MBAFF h->mb_mbaff
#define	MB_FIELD h->mb_field_decoding_flag
#define	FRAME_MBAFF h->mb_aff_frame
#define	FIELD_PICTURE (s->picture_structure != PICT_FRAME)
#define	FIELD_OR_MBAFF_PICTURE (FRAME_MBAFF \|\| FIELD_PICTURE)
#define	CHROMA h->sps.chroma_format_idc
#define	CABAC h->pps.cabac
#define	EXTENDED_SAR 255
#define	MB_TYPE_REF0 MB_TYPE_ACPRED
#define	MB_TYPE_8x8DCT 0x01000000
#define	IS_REF0(a) ((a) & MB_TYPE_REF0)
#define	IS_8x8DCT(a) ((a) & MB_TYPE_8x8DCT)
#define	DELAYED_PIC_REF 4
	Value of Picture.reference when Picture is not a reference picture, but is held for delayed output.
#define	LIST_NOT_USED -1
#define	PART_NOT_AVAILABLE -2
#define	MAP_MVS
#define	MAP_F2F(idx, mb_type)
#define	MAP_F2F(idx, mb_type)
Enumerations
enum	{ NAL_SLICE = 1, NAL_DPA, NAL_DPB, NAL_DPC, NAL_IDR_SLICE, NAL_SEI, NAL_SPS, NAL_PPS, NAL_AUD, NAL_END_SEQUENCE, NAL_END_STREAM, NAL_FILLER_DATA, NAL_SPS_EXT, NAL_AUXILIARY_SLICE = 19 }
enum	SEI_Type { SEI_BUFFERING_PERIOD = 0, SEI_TYPE_PIC_TIMING = 1, SEI_TYPE_USER_DATA_UNREGISTERED = 5, SEI_TYPE_RECOVERY_POINT = 6 }
	SEI message types. More...
enum	SEI_PicStructType { SEI_PIC_STRUCT_FRAME = 0, SEI_PIC_STRUCT_TOP_FIELD = 1, SEI_PIC_STRUCT_BOTTOM_FIELD = 2, SEI_PIC_STRUCT_TOP_BOTTOM = 3, SEI_PIC_STRUCT_BOTTOM_TOP = 4, SEI_PIC_STRUCT_TOP_BOTTOM_TOP = 5, SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM = 6, SEI_PIC_STRUCT_FRAME_DOUBLING = 7, SEI_PIC_STRUCT_FRAME_TRIPLING = 8 }
	pic_struct in picture timing SEI message More...
enum	MMCOOpcode { MMCO_END = 0, MMCO_SHORT2UNUSED, MMCO_LONG2UNUSED, MMCO_SHORT2LONG, MMCO_SET_MAX_LONG, MMCO_RESET, MMCO_LONG }
	Memory management control operation opcode. More...
Functions
void	ff_svq3_luma_dc_dequant_idct_c (DCTELEM *block, int qp)
void	ff_svq3_add_idct_c (uint8_t dst, DCTELEM block, int stride, int qp, int dc)
int	ff_h264_decode_sei (H264Context *h)
	Decode SEI.
int	ff_h264_decode_seq_parameter_set (H264Context *h)
	Decode SPS.
int	ff_h264_decode_picture_parameter_set (H264Context *h, int bit_length)
	Decode PPS.
const uint8_t *	ff_h264_decode_nal (H264Context h, const uint8_t src, int dst_length, int consumed, int length)
	Decodes a network abstraction layer unit.
int	ff_h264_decode_rbsp_trailing (H264Context h, const uint8_t src)
	identifies the exact end of the bitstream
av_cold void	ff_h264_free_context (H264Context *h)
	frees any data that may have been allocated in the H264 context like SPS, PPS etc.
int	ff_h264_get_slice_type (const H264Context *h)
	reconstructs bitstream slice_type.
int	ff_h264_alloc_tables (H264Context *h)
	allocates tables.
int	ff_h264_fill_default_ref_list (H264Context *h)
	fills the default_ref_list.
int	ff_h264_decode_ref_pic_list_reordering (H264Context *h)
void	ff_h264_fill_mbaff_ref_list (H264Context *h)
void	ff_h264_remove_all_refs (H264Context *h)
int	ff_h264_execute_ref_pic_marking (H264Context h, MMCO mmco, int mmco_count)
	Executes the reference picture marking (memory management control operations).
int	ff_h264_decode_ref_pic_marking (H264Context h, GetBitContext gb)
int	ff_h264_check_intra4x4_pred_mode (H264Context *h)
	checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
int	ff_h264_check_intra_pred_mode (H264Context *h, int mode)
	checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
void	ff_h264_write_back_intra_pred_mode (H264Context *h)
void	ff_h264_hl_decode_mb (H264Context *h)
int	ff_h264_frame_start (H264Context *h)
av_cold int	ff_h264_decode_init (AVCodecContext *avctx)
av_cold int	ff_h264_decode_end (AVCodecContext *avctx)
av_cold void	ff_h264_decode_init_vlc (void)
int	ff_h264_decode_mb_cavlc (H264Context *h)
	decodes a macroblock
int	ff_h264_decode_mb_cabac (H264Context *h)
	decodes a CABAC coded macroblock
void	ff_h264_init_cabac_states (H264Context *h)
void	ff_h264_direct_dist_scale_factor (H264Context *const h)
void	ff_h264_direct_ref_list_init (H264Context *const h)
void	ff_h264_pred_direct_motion (H264Context const h, int mb_type)
void	ff_h264_filter_mb_fast (H264Context h, int mb_x, int mb_y, uint8_t img_y, uint8_t img_cb, uint8_t img_cr, unsigned int linesize, unsigned int uvlinesize)
void	ff_h264_filter_mb (H264Context h, int mb_x, int mb_y, uint8_t img_y, uint8_t img_cb, uint8_t img_cr, unsigned int linesize, unsigned int uvlinesize)
void	ff_h264_reset_sei (H264Context *h)
	Reset SEI values at the beginning of the frame.
static av_always_inline uint32_t	pack16to32 (int a, int b)
static av_always_inline uint16_t	pack8to16 (int a, int b)
static int	get_chroma_qp (H264Context *h, int t, int qscale)
	gets the chroma qp.
static void	pred_pskip_motion (H264Context const h, int const mx, int *const my)
static void	fill_decode_neighbors (H264Context *h, int mb_type)
static void	fill_decode_caches (H264Context *h, int mb_type)
static int	pred_intra_mode (H264Context *h, int n)
	gets the predicted intra4x4 prediction mode.
static void	write_back_non_zero_count (H264Context *h)
static void	write_back_motion (H264Context *h, int mb_type)
static int	get_dct8x8_allowed (H264Context *h)
static void	decode_mb_skip (H264Context *h)
	decodes a P_SKIP or B_SKIP macroblock
Variables
const uint8_t	ff_h264_chroma_qp [52]
static const uint8_t	scan8 [16+2 *4]