H.264 / AVC / MPEG-4 part10 codec. More...

#include "libavutil/buffer.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/thread.h"
#include "cabac.h"
#include "error_resilience.h"
#include "h264_parse.h"
#include "h264_ps.h"
#include "h264_sei.h"
#include "h2645_parse.h"
#include "h264chroma.h"
#include "h264dsp.h"
#include "h264pred.h"
#include "h264qpel.h"
#include "internal.h"
#include "mpegutils.h"
#include "parser.h"
#include "qpeldsp.h"
#include "rectangle.h"
#include "videodsp.h"

Data Structures
struct	MMCO
	Memory management control operation. More...

struct	H264Picture

struct	H264Ref

struct	H264SliceContext

struct	H264Context
	H264Context. More...

Macros
#define	H264_MAX_PICTURE_COUNT 36

#define	MAX_MMCO_COUNT 66

#define	MAX_DELAYED_PIC_COUNT 16

#define	ALLOW_INTERLACE

#define	FMO 0

#define	MAX_SLICES 32
	The maximum number of slices supported by the decoder. More...

#define	MB_MBAFF(h) (h)->mb_mbaff

#define	MB_FIELD(sl) (sl)->mb_field_decoding_flag

#define	FRAME_MBAFF(h) (h)->mb_aff_frame

#define	FIELD_PICTURE(h) ((h)->picture_structure != PICT_FRAME)

#define	LEFT_MBS 2

#define	LTOP 0

#define	LBOT 1

#define	LEFT(i) (i)

#define	FIELD_OR_MBAFF_PICTURE(h) (FRAME_MBAFF(h) \|\| FIELD_PICTURE(h))

#define	CABAC(h) (h)->ps.pps->cabac

#define	CHROMA(h) ((h)->ps.sps->chroma_format_idc)

#define	CHROMA422(h) ((h)->ps.sps->chroma_format_idc == 2)

#define	CHROMA444(h) ((h)->ps.sps->chroma_format_idc == 3)

#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	LIST_NOT_USED -1

#define	PART_NOT_AVAILABLE -2

#define	FRAME_RECOVERED_IDR (1 << 0)
	We have seen an IDR, so all the following frames in coded order are correctly decodable. More...

#define	FRAME_RECOVERED_SEI (1 << 1)
	Sufficient number of frames have been decoded since a SEI recovery point, so all the following frames in presentation order are correct. More...

#define	LUMA_DC_BLOCK_INDEX 48

#define	CHROMA_DC_BLOCK_INDEX 49

Enumerations
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
int	ff_h264_get_slice_type (const H264SliceContext *sl)
	Reconstruct bitstream slice_type. More...

int	ff_h264_alloc_tables (H264Context *h)
	Allocate tables. More...

int	ff_h264_decode_ref_pic_list_reordering (H264SliceContext sl, void logctx)

int	ff_h264_build_ref_list (H264Context h, H264SliceContext sl)

void	ff_h264_remove_all_refs (H264Context *h)

int	ff_h264_execute_ref_pic_marking (H264Context *h)
	Execute the reference picture marking (memory management control operations). More...

int	ff_h264_decode_ref_pic_marking (H264SliceContext sl, GetBitContext gb, const H2645NAL nal, void logctx)

void	ff_h264_hl_decode_mb (const H264Context h, H264SliceContext sl)

int	ff_h264_decode_init (AVCodecContext *avctx)

void	ff_h264_decode_init_vlc (void)

int	ff_h264_decode_mb_cavlc (const H264Context h, H264SliceContext sl)
	Decode a macroblock. More...

int	ff_h264_decode_mb_cabac (const H264Context h, H264SliceContext sl)
	Decode a CABAC coded macroblock. More...

void	ff_h264_init_cabac_states (const H264Context h, H264SliceContext sl)

void	ff_h264_direct_dist_scale_factor (const H264Context const h, H264SliceContext sl)

void	ff_h264_direct_ref_list_init (const H264Context const h, H264SliceContext sl)

void	ff_h264_pred_direct_motion (const H264Context const h, H264SliceContext sl, int *mb_type)

void	ff_h264_filter_mb_fast (const H264Context h, H264SliceContext sl, 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 (const H264Context h, H264SliceContext sl, int mb_x, int mb_y, uint8_t img_y, uint8_t img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize)

static av_always_inline uint32_t	pack16to32 (unsigned a, unsigned b)

static av_always_inline uint16_t	pack8to16 (unsigned a, unsigned b)

static av_always_inline int	get_chroma_qp (const PPS *pps, int t, int qscale)
	Get the chroma qp. More...

static av_always_inline int	pred_intra_mode (const H264Context h, H264SliceContext sl, int n)
	Get the predicted intra4x4 prediction mode. More...

static av_always_inline void	write_back_intra_pred_mode (const H264Context h, H264SliceContext sl)

static av_always_inline void	write_back_non_zero_count (const H264Context h, H264SliceContext sl)

static av_always_inline void	write_back_motion_list (const H264Context h, H264SliceContext sl, int b_stride, int b_xy, int b8_xy, int mb_type, int list)

static av_always_inline void	write_back_motion (const H264Context h, H264SliceContext sl, int mb_type)

static av_always_inline int	get_dct8x8_allowed (const H264Context h, H264SliceContext sl)

static int	find_start_code (const uint8_t *buf, int buf_size, int buf_index, int next_avc)

int	ff_h264_field_end (H264Context h, H264SliceContext sl, int in_setup)

int	ff_h264_ref_picture (H264Context h, H264Picture dst, H264Picture *src)

void	ff_h264_unref_picture (H264Context h, H264Picture pic)

int	ff_h264_slice_context_init (H264Context h, H264SliceContext sl)
	Init context Allocate buffers which are not shared amongst multiple threads. More...

void	ff_h264_draw_horiz_band (const H264Context h, H264SliceContext sl, int y, int height)

int	ff_h264_decode_slice_header (H264Context h, H264SliceContext sl, const H2645NAL *nal)

int	ff_h264_queue_decode_slice (H264Context h, const H2645NAL nal)
	Submit a slice for decoding. More...

int	ff_h264_execute_decode_slices (H264Context *h)
	Call decode_slice() for each context. More...

int	ff_h264_update_thread_context (AVCodecContext dst, const AVCodecContext src)

void	ff_h264_flush_change (H264Context *h)

void	ff_h264_free_tables (H264Context *h)

void	ff_h264_set_erpic (ERPicture dst, H264Picture src)

Variables
const uint16_t	ff_h264_mb_sizes [4]

static const uint8_t	scan8 [16 *3+3]

Detailed Description

H.264 / AVC / MPEG-4 part10 codec.

Author: Michael Niedermayer micha.nosp@m.elni.nosp@m.@gmx..nosp@m.at

Definition in file h264dec.h.

Macro Definition Documentation

#define H264_MAX_PICTURE_COUNT 36

Definition at line 52 of file h264dec.h.

Referenced by copy_picture_range(), ff_h264_update_thread_context(), find_unused_picture(), flush_dpb(), h264_decode_end(), h264_init_context(), and release_unused_pictures().

#define MAX_MMCO_COUNT 66

Definition at line 54 of file h264dec.h.

Referenced by ff_h264_decode_ref_pic_marking(), and scan_mmco_reset().

#define MAX_DELAYED_PIC_COUNT 16

Definition at line 56 of file h264dec.h.

Referenced by ff_h264_decode_seq_parameter_set(), ff_h264_execute_ref_pic_marking(), ff_h264_update_thread_context(), h264_init_context(), h264_select_output_frame(), and idr().

#define ALLOW_INTERLACE

Definition at line 60 of file h264dec.h.

#define FMO 0

Definition at line 62 of file h264dec.h.

Referenced by ff_h264_alloc_tables(), fill_decode_neighbors(), and write_back_motion_list().

#define MAX_SLICES 32

The maximum number of slices supported by the decoder.

must be a power of 2

Definition at line 68 of file h264dec.h.

#define MB_MBAFF ( h ) (h)->mb_mbaff

Definition at line 71 of file h264dec.h.

Referenced by await_references(), backup_mb_border(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_filter_caches_inter(), and xchg_mb_border().

#define MB_FIELD ( sl ) (sl)->mb_field_decoding_flag

#define FRAME_MBAFF ( h ) (h)->mb_aff_frame

#define FIELD_PICTURE ( h ) ((h)->picture_structure != PICT_FRAME)

Definition at line 74 of file h264dec.h.

Referenced by await_references(), decode_cabac_mb_skip(), decode_finish_row(), decode_nal_units(), ff_h264_build_ref_list(), ff_h264_decode_ref_pic_marking(), ff_h264_direct_dist_scale_factor(), ff_h264_queue_decode_slice(), generate_sliding_window_mmcos(), h264_field_start(), h264_filter_mb_fast_internal(), h264_initialise_ref_list(), and pic_num_extract().

#define LEFT_MBS 2

Definition at line 75 of file h264dec.h.

Referenced by fill_decode_caches(), fill_decode_neighbors(), and fill_filter_caches().

#define LTOP 0

Definition at line 76 of file h264dec.h.

Referenced by decode_cabac_intra_mb_type(), decode_cabac_mb_chroma_pre_mode(), ff_h264_decode_mb_cabac(), ff_h264_filter_mb(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), filter_mb_dir(), h264_filter_mb_fast_internal(), and pred_pskip_motion().

#define LBOT 1

Definition at line 77 of file h264dec.h.

Referenced by fill_decode_caches(), fill_decode_neighbors(), and fill_filter_caches().

#define LEFT ( i ) (i)

Definition at line 78 of file h264dec.h.

#define FIELD_OR_MBAFF_PICTURE ( h ) (FRAME_MBAFF(h) || FIELD_PICTURE(h))

Definition at line 91 of file h264dec.h.

Referenced by decode_slice(), ff_h264_execute_decode_slices(), fill_slice_long(), h264_export_frame_props(), h264_slice_init(), and vaapi_h264_decode_slice().

#define CABAC ( h ) (h)->ps.pps->cabac

Definition at line 94 of file h264dec.h.

Referenced by write_back_motion(), and write_back_motion_list().

#define CHROMA ( h ) ((h)->ps.sps->chroma_format_idc)

Definition at line 97 of file h264dec.h.

#define CHROMA422 ( h ) ((h)->ps.sps->chroma_format_idc == 2)

Definition at line 98 of file h264dec.h.

Referenced by backup_mb_border(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), fill_decode_caches(), filter_mb_dir(), get_pixel_format(), h264_filter_mb_fast_internal(), and hl_decode_mb().

#define CHROMA444 ( h ) ((h)->ps.sps->chroma_format_idc == 3)

Definition at line 99 of file h264dec.h.

Referenced by backup_mb_border(), decode_cabac_residual_nondc(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), ff_h264_hl_decode_mb(), fill_decode_caches(), filter_mb_dir(), get_pixel_format(), h264_filter_mb_fast_internal(), and loop_filter().

#define MB_TYPE_REF0 MB_TYPE_ACPRED

Definition at line 101 of file h264dec.h.

#define MB_TYPE_8x8DCT 0x01000000

Definition at line 102 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

#define IS_REF0 ( a ) ((a) & MB_TYPE_REF0)

Definition at line 103 of file h264dec.h.

Referenced by ff_h264_decode_mb_cavlc().

#define IS_8x8DCT ( a ) ((a) & MB_TYPE_8x8DCT)

Definition at line 104 of file h264dec.h.

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), ff_h264_decode_mb_cabac(), ff_h264_filter_mb(), fill_decode_caches(), fill_filter_caches(), filter_mb_dir(), h264_filter_mb_fast_internal(), hl_decode_mb_idct_luma(), and hl_decode_mb_predict_luma().

#define LIST_NOT_USED -1

Definition at line 388 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_decode_caches(), fill_filter_caches_inter(), pred_pskip_motion(), and write_back_motion().

#define PART_NOT_AVAILABLE -2

Definition at line 389 of file h264dec.h.

Referenced by fetch_diagonal_mv(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_slice_context_init(), fill_decode_caches(), pred_motion(), pred_pskip_motion(), pred_spatial_direct_motion(), svq3_decode_frame(), svq3_decode_mb(), svq3_fetch_diagonal_mv(), and svq3_pred_motion().

#define FRAME_RECOVERED_IDR (1 << 0)

We have seen an IDR, so all the following frames in coded order are correctly decodable.

Definition at line 515 of file h264dec.h.

Referenced by h264_field_start().

#define FRAME_RECOVERED_SEI (1 << 1)

Sufficient number of frames have been decoded since a SEI recovery point, so all the following frames in presentation order are correct.

Definition at line 520 of file h264dec.h.

Referenced by ff_h264_execute_ref_pic_marking(), and h264_select_output_frame().

#define LUMA_DC_BLOCK_INDEX 48

Definition at line 634 of file h264dec.h.

Referenced by decode_cabac_luma_residual(), decode_cabac_residual_internal(), decode_luma_residual(), decode_residual(), get_cabac_cbf_ctx(), and hl_decode_mb_predict_luma().

#define CHROMA_DC_BLOCK_INDEX 49

Definition at line 635 of file h264dec.h.

Referenced by decode_cabac_residual_internal(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), get_cabac_cbf_ctx(), and hl_decode_mb().

Enumeration Type Documentation

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 109 of file h264dec.h.

Function Documentation

int ff_h264_get_slice_type ( const H264SliceContext * sl )

Reconstruct bitstream slice_type.

Definition at line 2120 of file h264_slice.c.

Referenced by fill_slice_long(), and vaapi_h264_decode_slice().

int ff_h264_alloc_tables ( H264Context * h )

Allocate tables.

needs width/height

Definition at line 182 of file h264dec.c.

Referenced by h264_slice_header_init().

int ff_h264_decode_ref_pic_list_reordering	(	H264SliceContext *	sl,
		void *	logctx
	)

Definition at line 421 of file h264_refs.c.

Referenced by h264_slice_header_parse().

int ff_h264_build_ref_list	(	H264Context *	h,
		H264SliceContext *	sl
	)

Definition at line 299 of file h264_refs.c.

Referenced by h264_slice_init().

void ff_h264_remove_all_refs ( H264Context * h )

Definition at line 563 of file h264_refs.c.

Referenced by h264_decode_end(), and idr().

int ff_h264_execute_ref_pic_marking ( H264Context * h )

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

Definition at line 608 of file h264_refs.c.

Referenced by ff_h264_field_end(), ff_h264_update_thread_context(), and h264_field_start().

int ff_h264_decode_ref_pic_marking	(	H264SliceContext *	sl,
		GetBitContext *	gb,
		const H2645NAL *	nal,
		void *	logctx
	)

Definition at line 823 of file h264_refs.c.

Referenced by h264_slice_header_parse().

void ff_h264_hl_decode_mb	(	const H264Context *	h,
		H264SliceContext *	sl
	)

Definition at line 799 of file h264_mb.c.

Referenced by decode_slice(), and h264_er_decode_mb().

int ff_h264_decode_init ( AVCodecContext * avctx )

Definition at line 391 of file h264dec.c.

void ff_h264_decode_init_vlc ( void )

Definition at line 327 of file h264_cavlc.c.

Referenced by ff_h264_decode_init().

int ff_h264_decode_mb_cavlc	(	const H264Context *	h,
		H264SliceContext *	sl
	)

Decode a macroblock.

Returns: 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR on error

Definition at line 702 of file h264_cavlc.c.

Referenced by decode_slice().

int ff_h264_decode_mb_cabac	(	const H264Context *	h,
		H264SliceContext *	sl
	)

Decode a CABAC coded macroblock.

Returns: 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR on error

Decode a CABAC coded macroblock.

Returns: 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed

Definition at line 1914 of file h264_cabac.c.

Referenced by decode_slice().

void ff_h264_init_cabac_states	(	const H264Context *	h,
		H264SliceContext *	sl
	)

Definition at line 1263 of file h264_cabac.c.

Referenced by decode_slice().

void ff_h264_direct_dist_scale_factor	(	const H264Context *const	h,
		H264SliceContext *	sl
	)

Definition at line 62 of file h264_direct.c.

Referenced by h264_slice_init().

void ff_h264_direct_ref_list_init	(	const H264Context *const	h,
		H264SliceContext *	sl
	)

Definition at line 121 of file h264_direct.c.

Referenced by h264_slice_init().

void ff_h264_pred_direct_motion	(	const H264Context *const	h,
		H264SliceContext *	sl,
		int *	mb_type
	)

Definition at line 721 of file h264_direct.c.

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

void ff_h264_filter_mb_fast	(	const H264Context *	h,
		H264SliceContext *	sl,
		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 418 of file h264_loopfilter.c.

Referenced by loop_filter().

void ff_h264_filter_mb	(	const H264Context *	h,
		H264SliceContext *	sl,
		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 718 of file h264_loopfilter.c.

Referenced by ff_h264_filter_mb_fast(), and loop_filter().

static av_always_inline uint32_t pack16to32	(	unsigned	a,
		unsigned	b
	)

static

Definition at line 654 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_filter_caches_inter(), h264_er_decode_mb(), pred_pskip_motion(), pred_spatial_direct_motion(), pred_temp_direct_motion(), and svq3_mc_dir().

static av_always_inline uint16_t pack8to16	(	unsigned	a,
		unsigned	b
	)

static

Definition at line 663 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac().

static av_always_inline int get_chroma_qp	(	const PPS *	pps,
		int	t,
		int	qscale
	)

static

Get the chroma qp.

Definition at line 675 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), filter_mb_dir(), h264_filter_mb_fast_internal(), h264_slice_header_parse(), and loop_filter().

static av_always_inline int pred_intra_mode	(	const H264Context *	h,
		H264SliceContext *	sl,
		int	n
	)

static

Get the predicted intra4x4 prediction mode.

Definition at line 683 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

static av_always_inline void write_back_intra_pred_mode	(	const H264Context *	h,
		H264SliceContext *	sl
	)

static

Definition at line 699 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

static av_always_inline void write_back_non_zero_count	(	const H264Context *	h,
		H264SliceContext *	sl
	)

static

Definition at line 711 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

static av_always_inline void write_back_motion_list	(	const H264Context *	h,
		H264SliceContext *	sl,
		int	b_stride,
		int	b_xy,
		int	b8_xy,
		int	mb_type,
		int	list
	)

static

Definition at line 735 of file h264dec.h.

Referenced by write_back_motion().

static av_always_inline void write_back_motion	(	const H264Context *	h,
		H264SliceContext *	sl,
		int	mb_type
	)

static

Definition at line 771 of file h264dec.h.

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

static av_always_inline int get_dct8x8_allowed	(	const H264Context *	h,
		H264SliceContext *	sl
	)

static

Definition at line 798 of file h264dec.h.

Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().

static int find_start_code	(	const uint8_t *	buf,
		int	buf_size,
		int	buf_index,
		int	next_avc
	)

inlinestatic

Definition at line 810 of file h264dec.h.

Referenced by parse_nal_units().

int ff_h264_field_end	(	H264Context *	h,
		H264SliceContext *	sl,
		int	in_setup
	)

Definition at line 152 of file h264_picture.c.

Referenced by ff_h264_queue_decode_slice(), and h264_decode_frame().

int ff_h264_ref_picture	(	H264Context *	h,
		H264Picture *	dst,
		H264Picture *	src
	)

Definition at line 67 of file h264_picture.c.

Referenced by ff_h264_remove_all_refs(), ff_h264_update_thread_context(), and h264_frame_start().

void ff_h264_unref_picture	(	H264Context *	h,
		H264Picture *	pic
	)

Definition at line 46 of file h264_picture.c.

Referenced by alloc_picture(), ff_h264_flush_change(), ff_h264_ref_picture(), ff_h264_remove_all_refs(), ff_h264_update_thread_context(), flush_dpb(), h264_decode_end(), h264_decode_frame(), h264_frame_start(), and release_unused_pictures().

int ff_h264_slice_context_init	(	H264Context *	h,
		H264SliceContext *	sl
	)

Init context Allocate buffers which are not shared amongst multiple threads.

Definition at line 240 of file h264dec.c.

Referenced by h264_slice_header_init().

void ff_h264_draw_horiz_band	(	const H264Context *	h,
		H264SliceContext *	sl,
		int	y,
		int	height
	)

Definition at line 104 of file h264dec.c.

Referenced by decode_finish_row(), dxva2_h264_end_frame(), vaapi_h264_end_frame(), and vdpau_h264_end_frame().

int ff_h264_decode_slice_header	(	H264Context *	h,
		H264SliceContext *	sl,
		const H2645NAL *	nal
	)

int ff_h264_queue_decode_slice	(	H264Context *	h,
		const H2645NAL *	nal
	)

Submit a slice for decoding.

Parse the slice header, starting a new field/frame if necessary. If any slices are queued for the previous field, they are decoded.

Definition at line 1995 of file h264_slice.c.

Referenced by decode_nal_units().

int ff_h264_execute_decode_slices ( H264Context * h )

Call decode_slice() for each context.

Parameters

h	h264 master context

Definition at line 2706 of file h264_slice.c.

Referenced by decode_nal_units(), and ff_h264_queue_decode_slice().

int ff_h264_update_thread_context	(	AVCodecContext *	dst,
		const AVCodecContext *	src
	)

Definition at line 292 of file h264_slice.c.

void ff_h264_flush_change ( H264Context * h )

Definition at line 482 of file h264dec.c.

Referenced by ff_h264_decode_init(), flush_dpb(), and h264_init_ps().

void ff_h264_free_tables ( H264Context * h )

Definition at line 139 of file h264dec.c.

Referenced by ff_h264_alloc_tables(), flush_dpb(), h264_decode_end(), and h264_slice_header_init().

void ff_h264_set_erpic	(	ERPicture *	dst,
		H264Picture *	src
	)

Definition at line 129 of file h264_picture.c.

Referenced by decode_nal_units(), and h264_frame_start().

Variable Documentation

const uint16_t ff_h264_mb_sizes[4]

Definition at line 60 of file h264dec.c.

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

const uint8_t scan8[16 *3+3]

static

Initial value:

= {
+  1 * 8, 5 +  1 * 8, 4 +  2 * 8, 5 +  2 * 8,
+  1 * 8, 7 +  1 * 8, 6 +  2 * 8, 7 +  2 * 8,
+  3 * 8, 5 +  3 * 8, 4 +  4 * 8, 5 +  4 * 8,
+  3 * 8, 7 +  3 * 8, 6 +  4 * 8, 7 +  4 * 8,
+  6 * 8, 5 +  6 * 8, 4 +  7 * 8, 5 +  7 * 8,
+  6 * 8, 7 +  6 * 8, 6 +  7 * 8, 7 +  7 * 8,
+  8 * 8, 5 +  8 * 8, 4 +  9 * 8, 5 +  9 * 8,
+  8 * 8, 7 +  8 * 8, 6 +  9 * 8, 7 +  9 * 8,
+ 11 * 8, 5 + 11 * 8, 4 + 12 * 8, 5 + 12 * 8,
+ 11 * 8, 7 + 11 * 8, 6 + 12 * 8, 7 + 12 * 8,
+ 13 * 8, 5 + 13 * 8, 4 + 14 * 8, 5 + 14 * 8,
+ 13 * 8, 7 + 13 * 8, 6 + 14 * 8, 7 + 14 * 8,
+  0 * 8, 0 +  5 * 8, 0 + 10 * 8
}

Definition at line 638 of file h264dec.h.

Referenced by decode_cabac_luma_residual(), decode_cabac_mb_ref(), decode_cabac_residual_dc(), decode_cabac_residual_dc_422(), decode_cabac_residual_internal(), decode_cabac_residual_nondc(), decode_luma_residual(), decode_residual(), decode_slice(), fetch_diagonal_mv(), ff_h264_check_intra4x4_pred_mode(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_idct8_add4(), ff_h264_idct8_add4_8_mmi(), ff_h264_idct8_add4_msa(), ff_h264_idct_add16(), ff_h264_idct_add16_8_mmi(), ff_h264_idct_add16_intra_msa(), ff_h264_idct_add16_msa(), ff_h264_idct_add16intra(), ff_h264_idct_add16intra_8_mmi(), ff_h264_idct_add8(), ff_h264_idct_add8_422(), ff_h264_idct_add8_422_8_mmi(), ff_h264_idct_add8_422_msa(), ff_h264_idct_add8_8_mmi(), ff_h264_idct_add8_msa(), ff_h264_slice_context_init(), fill_decode_caches(), fill_filter_caches(), fill_filter_caches_inter(), filter_mb_dir(), get_cabac_cbf_ctx(), get_lowest_part_list_y(), get_lowest_part_y(), h264_er_decode_mb(), h264_frame_start(), hl_decode_mb(), hl_decode_mb_444(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), 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(), svq3_pred_motion(), and write_back_motion_list().

Data Structures

Macros

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation