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h264_parse.c File Reference
#include "bytestream.h"
#include "get_bits.h"
#include "golomb.h"
#include "h264.h"
#include "h264dec.h"
#include "h264_parse.h"
#include "h264_ps.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, 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 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,
int  picture_structure,
void logctx 
)

Definition at line 27 of file h264_parse.c.

Referenced by h264_slice_header_parse(), 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 128 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 176 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 216 of file h264_parse.c.

Referenced by h264_slice_header_parse(), 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 269 of file h264_parse.c.

Referenced by h264_field_start(), 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 349 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 391 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 436 of file h264_parse.c.

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

int ff_h264_get_profile ( const SPS sps)

Compute profile from profile_idc and constraint_set?_flags.

compute profile from sps

Parameters
spsSPS
Returns
profile as defined by FF_PROFILE_H264_*

Definition at line 503 of file h264_parse.c.

Referenced by h264_init_ps(), and parse_nal_units().