FFmpeg: libavcodec/h264pred.h File Reference

H.264 / AVC / MPEG4 prediction functions. More...

#include <stddef.h>
#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	H264PredContext
	Context for storing H.264 prediction functions. More...

Macros

#define	VERT_PRED 0
	Prediction types.

#define	HOR_PRED 1

#define	DC_PRED 2

#define	DIAG_DOWN_LEFT_PRED 3

#define	DIAG_DOWN_RIGHT_PRED 4

#define	VERT_RIGHT_PRED 5

#define	HOR_DOWN_PRED 6

#define	VERT_LEFT_PRED 7

#define	HOR_UP_PRED 8

#define	LEFT_DC_PRED 9

#define	TOP_DC_PRED 10

#define	DC_128_PRED 11

#define	DIAG_DOWN_LEFT_PRED_RV40_NODOWN 12

#define	HOR_UP_PRED_RV40_NODOWN 13

#define	VERT_LEFT_PRED_RV40_NODOWN 14

#define	TM_VP8_PRED 9
	"True Motion", used instead of plane

#define	VERT_VP8_PRED 10
	for VP8, VERT_PRED is the average of

#define	HOR_VP8_PRED 11
	unaveraged version of HOR_PRED, see

#define	DC_127_PRED 12

#define	DC_129_PRED 13

#define	DC_PRED8x8 0

#define	HOR_PRED8x8 1

#define	VERT_PRED8x8 2

#define	PLANE_PRED8x8 3

#define	LEFT_DC_PRED8x8 4

#define	TOP_DC_PRED8x8 5

#define	DC_128_PRED8x8 6

#define	ALZHEIMER_DC_L0T_PRED8x8 7

#define	ALZHEIMER_DC_0LT_PRED8x8 8

#define	ALZHEIMER_DC_L00_PRED8x8 9

#define	ALZHEIMER_DC_0L0_PRED8x8 10

#define	DC_127_PRED8x8 7

#define	DC_129_PRED8x8 8

Functions
void	ff_h264_pred_init (H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
	Set the intra prediction function pointers.

void	ff_h264_pred_init_arm (H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)

void	ff_h264_pred_init_x86 (H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)

Detailed Description

H.264 / AVC / MPEG4 prediction functions.

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

Definition in file h264pred.h.

Macro Definition Documentation

#define VERT_PRED 0

Prediction types.

Definition at line 38 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), PRED4x4(), and rv34_pred_4x4_block().

#define HOR_PRED 1

Definition at line 39 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), PRED4x4(), and rv34_pred_4x4_block().

#define DC_PRED 2

Definition at line 40 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), PRED4x4(), pred_intra_mode(), rv34_pred_4x4_block(), svq3_decode_mb(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), and vp8_decode_mv_mb_modes().

#define DIAG_DOWN_LEFT_PRED 3

Definition at line 41 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), hl_decode_mb_predict_luma(), PRED4x4(), and rv34_pred_4x4_block().

#define DIAG_DOWN_RIGHT_PRED 4

Definition at line 42 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), and PRED4x4().

#define VERT_RIGHT_PRED 5

Definition at line 43 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), and PRED4x4().

#define HOR_DOWN_PRED 6

Definition at line 44 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), and PRED4x4().

#define VERT_LEFT_PRED 7

Definition at line 45 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), hl_decode_mb_predict_luma(), PRED4x4(), and rv34_pred_4x4_block().

#define HOR_UP_PRED 8

Definition at line 46 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), PRED4x4(), and rv34_pred_4x4_block().

#define LEFT_DC_PRED 9

Definition at line 49 of file h264pred.h.

Referenced by ff_h264_check_intra4x4_pred_mode(), and rv34_pred_4x4_block().

#define TOP_DC_PRED 10

Definition at line 50 of file h264pred.h.

Referenced by ff_h264_check_intra4x4_pred_mode(), PRED4x4(), and rv34_pred_4x4_block().

#define DC_128_PRED 11

Definition at line 51 of file h264pred.h.

Referenced by ff_h264_check_intra4x4_pred_mode(), PRED4x4(), rv34_pred_4x4_block(), and svq3_decode_mb().

#define DIAG_DOWN_LEFT_PRED_RV40_NODOWN 12

Definition at line 54 of file h264pred.h.

Referenced by rv34_pred_4x4_block().

#define HOR_UP_PRED_RV40_NODOWN 13

Definition at line 55 of file h264pred.h.

Referenced by rv34_pred_4x4_block().

#define VERT_LEFT_PRED_RV40_NODOWN 14

Definition at line 56 of file h264pred.h.

Referenced by rv34_pred_4x4_block().

#define TM_VP8_PRED 9

"True Motion", used instead of plane

Definition at line 59 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), and PRED4x4().

#define VERT_VP8_PRED 10

for VP8, VERT_PRED is the average of

(left col+cur col x2+right col) / 4; this is the "unaveraged" one

Definition at line 60 of file h264pred.h.

Referenced by check_tm_pred4x4_mode().

#define HOR_VP8_PRED 11

unaveraged version of HOR_PRED, see

VERT_VP8_PRED for details

Definition at line 63 of file h264pred.h.

Referenced by check_tm_pred4x4_mode().

#define DC_127_PRED 12

Definition at line 65 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge().

#define DC_129_PRED 13

Definition at line 66 of file h264pred.h.

Referenced by check_intra_pred4x4_mode_emuedge(), and check_tm_pred4x4_mode().

#define DC_PRED8x8 0

Definition at line 68 of file h264pred.h.

Referenced by adjust_pred16(), check_intra_pred8x8_mode(), check_intra_pred8x8_mode_emuedge(), h264_pred_init_neon(), PRED4x4(), rv34_output_i16x16(), and svq3_decode_mb().

#define HOR_PRED8x8 1

Definition at line 69 of file h264pred.h.

Referenced by adjust_pred16(), check_intra_pred8x8_mode_emuedge(), check_tm_pred8x8_mode(), h264_pred_init_neon(), hl_decode_mb(), hl_decode_mb_idct_luma(), and PRED4x4().

#define VERT_PRED8x8 2

Definition at line 70 of file h264pred.h.

Referenced by adjust_pred16(), check_intra_pred8x8_mode_emuedge(), check_tm_pred8x8_mode(), h264_pred_init_neon(), hl_decode_mb(), hl_decode_mb_idct_luma(), and PRED4x4().

#define PLANE_PRED8x8 3

Definition at line 71 of file h264pred.h.

Referenced by adjust_pred16(), check_intra_pred8x8_mode_emuedge(), h264_pred_init_neon(), PRED4x4(), and rv34_output_i16x16().

#define LEFT_DC_PRED8x8 4

Definition at line 74 of file h264pred.h.

Referenced by adjust_pred16(), check_dc_pred8x8_mode(), ff_h264_check_intra_pred_mode(), h264_pred_init_neon(), and PRED4x4().

#define TOP_DC_PRED8x8 5

Definition at line 75 of file h264pred.h.

Referenced by adjust_pred16(), check_dc_pred8x8_mode(), ff_h264_check_intra_pred_mode(), h264_pred_init_neon(), and PRED4x4().

#define DC_128_PRED8x8 6

Definition at line 76 of file h264pred.h.

Referenced by adjust_pred16(), check_dc_pred8x8_mode(), ff_h264_check_intra_pred_mode(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), h264_pred_init_neon(), and PRED4x4().

#define ALZHEIMER_DC_L0T_PRED8x8 7

Definition at line 79 of file h264pred.h.

Referenced by ff_h264_check_intra_pred_mode(), and h264_pred_init_neon().

#define ALZHEIMER_DC_0LT_PRED8x8 8

Definition at line 80 of file h264pred.h.

Referenced by h264_pred_init_neon().

#define ALZHEIMER_DC_L00_PRED8x8 9

Definition at line 81 of file h264pred.h.

Referenced by h264_pred_init_neon().

#define ALZHEIMER_DC_0L0_PRED8x8 10

Definition at line 82 of file h264pred.h.

Referenced by h264_pred_init_neon().

#define DC_127_PRED8x8 7

Definition at line 85 of file h264pred.h.

Referenced by check_intra_pred8x8_mode_emuedge().

#define DC_129_PRED8x8 8

Definition at line 86 of file h264pred.h.

Referenced by check_intra_pred8x8_mode_emuedge(), and check_tm_pred8x8_mode().

Function Documentation

void ff_h264_pred_init	(	H264PredContext *	h,
		int	codec_id,
		const int	bit_depth,
		const int	chroma_format_idc
	)

Set the intra prediction function pointers.

Definition at line 411 of file h264pred.c.

Referenced by clone_tables(), ff_h264_decode_init(), ff_rv34_decode_init(), h264_set_parameter_from_sps(), and vp8_decode_init().

void ff_h264_pred_init_arm	(	H264PredContext *	h,
		int	codec_id,
		const int	bit_depth,
		const int	chroma_format_idc
	)

Definition at line 85 of file h264pred_init_arm.c.

Referenced by ff_h264_pred_init().

void ff_h264_pred_init_x86	(	H264PredContext *	h,
		int	codec_id,
		const int	bit_depth,
		const int	chroma_format_idc
	)

Referenced by ff_h264_pred_init().