H.264 decoder/parser shared code. More...

#include "get_bits.h"
#include "h264_ps.h"

Data Structures
struct	H264PredWeightTable

struct	H264POCContext

Functions
int	ff_h264_pred_weight_table (GetBitContext gb, const SPS sps, const int ref_count, int slice_type_nos, H264PredWeightTable pwt, int picture_structure, void *logctx)

int	ff_h264_check_intra4x4_pred_mode (int8_t pred_mode_cache, void logctx, int top_samples_available, int left_samples_available)
	Check if the top & left blocks are available if needed & change the dc mode so it only uses the available blocks. More...

int	ff_h264_check_intra_pred_mode (void *logctx, int top_samples_available, int left_samples_available, int mode, int is_chroma)
	Check if the top & left blocks are available if needed & change the dc mode so it only uses the available blocks. More...

int	ff_h264_parse_ref_count (int plist_count, int ref_count[2], GetBitContext gb, const PPS pps, int slice_type_nos, int picture_structure, void logctx)

int	ff_h264_init_poc (int pic_field_poc[2], int pic_poc, const SPS sps, H264POCContext *poc, int picture_structure, int nal_ref_idc)

int	ff_h264_decode_extradata (const uint8_t data, int size, H264ParamSets ps, int is_avc, int nal_length_size, int err_recognition, void *logctx)

int	ff_h264_get_profile (const SPS *sps)
	compute profile from sps More...

Detailed Description

H.264 decoder/parser shared code.

Definition in file h264_parse.h.

Function Documentation

◆ ff_h264_pred_weight_table()

int ff_h264_pred_weight_table	(	GetBitContext *	gb,
		const SPS *	sps,
		const int *	ref_count,
		int	slice_type_nos,
		H264PredWeightTable *	pwt,
		int	picture_structure,
		void *	logctx
	)

Definition at line 27 of file h264_parse.c.

Referenced by h264_slice_header_parse(), and scan_mmco_reset().

◆ ff_h264_check_intra4x4_pred_mode()

int ff_h264_check_intra4x4_pred_mode	(	int8_t *	pred_mode_cache,
		void *	logctx,
		int	top_samples_available,
		int	left_samples_available
	)

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

Definition at line 131 of file h264_parse.c.

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

◆ ff_h264_check_intra_pred_mode()

int ff_h264_check_intra_pred_mode	(	void *	logctx,
		int	top_samples_available,
		int	left_samples_available,
		int	mode,
		int	is_chroma
	)

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

Definition at line 179 of file h264_parse.c.

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

◆ ff_h264_parse_ref_count()

int ff_h264_parse_ref_count	(	int *	plist_count,
		int	ref_count[2],
		GetBitContext *	gb,
		const PPS *	pps,
		int	slice_type_nos,
		int	picture_structure,
		void *	logctx
	)

Definition at line 219 of file h264_parse.c.

Referenced by h264_slice_header_parse(), and scan_mmco_reset().

◆ ff_h264_init_poc()

int ff_h264_init_poc	(	int	pic_field_poc[2],
		int *	pic_poc,
		const SPS *	sps,
		H264POCContext *	poc,
		int	picture_structure,
		int	nal_ref_idc
	)

Definition at line 272 of file h264_parse.c.

Referenced by h264_field_start(), and parse_nal_units().

◆ ff_h264_decode_extradata()

int ff_h264_decode_extradata	(	const uint8_t *	data,
		int	size,
		H264ParamSets *	ps,
		int *	is_avc,
		int *	nal_length_size,
		int	err_recognition,
		void *	logctx
	)

Definition at line 443 of file h264_parse.c.

Referenced by h264_decode_frame(), h264_decode_init(), h264_parse(), and mediacodec_decode_close().

◆ ff_h264_get_profile()

int ff_h264_get_profile ( const SPS * sps )

compute profile from sps

Parameters

sps SPS

Returns: profile as defined by FF_PROFILE_H264_*

Definition at line 510 of file h264_parse.c.

Referenced by h264_init_ps(), and parse_nal_units().

Data Structures

Functions