h264_parse.c File Reference

#include "bytestream.h"
#include "get_bits.h"
#include "golomb.h"
#include "h264.h"
#include "h264_parse.h"

Go to the source code of this file.

Functions
int	ff_h264_pred_weight_table (GetBitContext *gb, const SPS *sps, const int *ref_count, int slice_type_nos, H264PredWeightTable *pwt, 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 and 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 and 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 *pc, int picture_structure, int nal_ref_idc)
static int	decode_extradata_ps (const uint8_t *data, int size, H264ParamSets *ps, int is_avc, void *logctx)
static int	decode_extradata_ps_mp4 (const uint8_t *buf, int buf_size, H264ParamSets *ps, int err_recognition, void *logctx)
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 profile_idc and constraint_set?_flags. More...

Function Documentation

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

Definition at line 25 of file h264_parse.c.

Referenced by ff_h264_decode_slice_header(), and scan_mmco_reset().

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 and change the dc mode so it only uses the available blocks.

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

Definition at line 103 of file h264_parse.c.

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

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 and change the dc mode so it only uses the available blocks.

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

Definition at line 151 of file h264_parse.c.

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

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 191 of file h264_parse.c.

Referenced by ff_h264_decode_slice_header(), and scan_mmco_reset().

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

Definition at line 244 of file h264_parse.c.

Referenced by ff_h264_decode_slice_header(), and parse_nal_units().

static int decode_extradata_ps ( const uint8_t *  data, int  size, H264ParamSets *  ps, int  is_avc, void *  logctx  )

static

Definition at line 324 of file h264_parse.c.

Referenced by decode_extradata_ps_mp4(), and ff_h264_decode_extradata().

static int decode_extradata_ps_mp4 ( const uint8_t *  buf, int  buf_size, H264ParamSets *  ps, int  err_recognition, void *  logctx  )

static

Definition at line 366 of file h264_parse.c.

Referenced by 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 412 of file h264_parse.c.

Referenced by ff_h264_decode_init(), h264_decode_frame(), h264_parse(), and mediacodec_decode_init().

int ff_h264_get_profile

(

const SPS *

sps

)

Compute profile from profile_idc and constraint_set?_flags.

Parameters

sps

SPS

Returns

profile as defined by FF_PROFILE_H264_*

Definition at line 479 of file h264_parse.c.

Referenced by ff_h264_decode_slice_header(), and parse_nal_units().