conformance.c File Reference

Level & Profile related conformance functions. More...

#include "global.h"
#include "conformance.h"

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Functions

unsigned int getMaxFs (unsigned int levelIdc)
unsigned int getMaxMBPS (unsigned int levelIdc)
unsigned int getMinCR (unsigned int levelIdc)
unsigned int getMaxBR (unsigned int levelIdc)
unsigned int getMaxCPB (unsigned int levelIdc)
void ProfileCheck (InputParameters *p_Inp)
void LevelCheck (ImageParameters *p_Img, InputParameters *p_Inp)
void update_mv_limits (ImageParameters *p_Img, InputParameters *p_Inp, byte is_field)
void clip_mv_range (ImageParameters *p_Img, int search_range, MotionVector *mv, int res)
void test_clip_mvs (ImageParameters *p_Img, short mv[2], Boolean write_mb)
int out_of_bounds_mvs (ImageParameters *p_Img, short mv[2])
int InvalidWeightsForBiPrediction (Slice *currSlice, Block8x8Info *b8x8info, int mode)
int InvalidMotionVectors (ImageParameters *p_Img, Slice *currSlice, Block8x8Info *b8x8info, int mode)
Boolean CheckPredictionParams (Macroblock *currMB, Block8x8Info *b8x8info, int mode)

Variables

static const unsigned int MaxFs []
static const unsigned int MinCR []
static const unsigned int MaxBR []
static const unsigned int MaxCPB []
static const unsigned int MaxMBPS []
static const int LEVELVMVLIMIT [17][6]
const int LEVELHMVLIMIT [6] = { -2047, 2047, -4096, 4095, -8192, 8191}

Detailed Description

Level & Profile related conformance functions.

conformance.c

Author:
Main contributors (see contributors.h for copyright, address and affiliation details)
  • Karsten Suehring
  • Alexis Michael Tourapis
Note:

Definition in file conformance.c.

Function Documentation

void clip_mv_range ( ImageParameters *  p_Img,
int  search_range,
MotionVector *  mv,
int  res 
)

Clip motion vector range given encoding level.

Definition at line 451 of file conformance.c.

References img_par::MaxHmvR, and img_par::MaxVmvR.

Referenced by BiPredBlockMotionSearch(), and BlockMotionSearch().

unsigned int getMaxBR ( unsigned int  levelIdc  ) 

Get maximum bit rate (in bits/s) supported given a level.

Definition at line 136 of file conformance.c.

References error().

Referenced by LevelCheck().

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unsigned int getMaxCPB ( unsigned int  levelIdc  ) 

Get maximum coded buffer size (in bits) supported given a level.

Definition at line 159 of file conformance.c.

References error().

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unsigned int getMaxFs ( unsigned int  levelIdc  ) 

Get maximum frame size (in MBs) supported given a level.

Definition at line 67 of file conformance.c.

References error().

Referenced by LevelCheck().

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unsigned int getMaxMBPS ( unsigned int  levelIdc  ) 

Get maximum processing rate (in MB/s) supported given a level.

Definition at line 90 of file conformance.c.

References error().

Referenced by LevelCheck().

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unsigned int getMinCR ( unsigned int  levelIdc  ) 

Get minimum compression ratio supported given a level.

Definition at line 113 of file conformance.c.

References error().

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void LevelCheck ( ImageParameters *  p_Img,
InputParameters *  p_Inp 
)

Check if Level constraints are satisfied.

Definition at line 361 of file conformance.c.

References inp_par_enc::directInferenceFlag, error(), errortext, ET_SIZE, getMaxBR(), getMaxFs(), getMaxMBPS(), inp_par_enc::IntraProfile, inp_par_enc::LevelIDC, inp_par_enc::MbInterlace, inp_par_enc::output, inp_par_enc::PicInterlace, inp_par_enc::slice_argument, and inp_par_enc::slice_mode.

Referenced by PatchInp().

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int out_of_bounds_mvs ( ImageParameters *  p_Img,
short  mv[2] 
)

Clip motion vector range given encoding level.

Definition at line 482 of file conformance.c.

References img_par::MaxHmvR, and img_par::MaxVmvR.

Referenced by Get_Direct_MV_Spatial_MBAFF(), Get_Direct_MV_Temporal(), and RDCost_for_macroblocks().

void ProfileCheck ( InputParameters *  p_Inp  ) 

Check Profile conformance.

Definition at line 182 of file conformance.c.

References BASELINE, inp_par_enc::BRefPictures, inp_par_enc::directInferenceFlag, error(), errortext, ET_SIZE, EXTENDED, FREXT_CAVLC444, FREXT_Hi10P, FREXT_Hi422, FREXT_Hi444, FREXT_HP, inp_par_enc::idr_period, inp_par_enc::intra_period, inp_par_enc::IntraProfile, MAIN, inp_par_enc::MbInterlace, inp_par_enc::num_ref_frames, inp_par_enc::num_slice_groups_minus1, inp_par_enc::NumberBFrames, inp_par_enc::partition_mode, inp_par_enc::PicInterlace, inp_par_enc::ProfileIDC, inp_par_enc::sp_periodicity, inp_par_enc::symbol_mode, inp_par_enc::WeightedBiprediction, inp_par_enc::WeightedPrediction, and inp_par_enc::yuv_format.

Referenced by PatchInp().

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void test_clip_mvs ( ImageParameters *  p_Img,
short  mv[2],
Boolean  write_mb 
)

Clip motion vector range given encoding level.

Definition at line 465 of file conformance.c.

References img_par::MaxHmvR, and img_par::MaxVmvR.

void update_mv_limits ( ImageParameters *  p_Img,
InputParameters *  p_Inp,
byte  is_field 
)

Update Motion Vector Limits.

Definition at line 416 of file conformance.c.

References img_par::LevelIndex, img_par::MaxHmvR, and img_par::MaxVmvR.

Referenced by encode_one_slice_MBAFF(), field_picture(), and frame_picture().

Variable Documentation

const int LEVELVMVLIMIT[17][6] [static]

Initial value:

{
  {  -63,  63,  -128,  127,  -256,  255},
  {  -63,  63,  -128,  127,  -256,  255},
  { -127, 127,  -256,  255,  -512,  511},
  { -127, 127,  -256,  255,  -512,  511},
  { -127, 127,  -256,  255,  -512,  511},
  { -127, 127,  -256,  255,  -512,  511},
  { -255, 255,  -512,  511, -1024, 1023},
  { -255, 255,  -512,  511, -1024, 1023},
  { -255, 255,  -512,  511, -1024, 1023},
  { -511, 511, -1024, 1023, -2048, 2047},
  { -511, 511, -1024, 1023, -2048, 2047},
  { -511, 511, -1024, 1023, -2048, 2047},
  { -511, 511, -1024, 1023, -2048, 2047},
  { -511, 511, -1024, 1023, -2048, 2047},
  { -511, 511, -1024, 1023, -2048, 2047},
  { -511, 511, -1024, 1023, -2048, 2047},
  { -511, 511, -1024, 1023, -2048, 2047}
}

Definition at line 38 of file conformance.c.

const unsigned int MaxBR[] [static]

Initial value:

 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 64,128, 192, 384, 768, 0, 0, 0, 0, 0, 0,2000,4000,4000, 0, 0, 0, 0, 0, 0, 0,  
                         10000,14000,20000, 0, 0, 0, 0, 0, 0, 0,20000,50000,50000, 0, 0, 0, 0, 0, 0, 0,135000,240000 }

Definition at line 26 of file conformance.c.

const unsigned int MaxCPB[] [static]

Initial value:

 { 0, 0, 0, 0, 0, 0, 0, 0, 0,175,350, 500,1000,2000, 0, 0, 0, 0, 0, 0,2000,4000,4000, 0, 0, 0, 0, 0, 0, 0,  
                         10000,14000,20000, 0, 0, 0, 0, 0, 0, 0,25000,62500,62500, 0, 0, 0, 0, 0, 0, 0,135000,240000 }

Definition at line 28 of file conformance.c.

const unsigned int MaxFs[] [static]

Initial value:

 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 99, 99, 396, 396, 396, 0, 0, 0, 0, 0, 0, 396, 792, 1620, 0, 0, 0, 0, 0, 0, 0,  

                          1620, 3600, 5120, 0, 0, 0, 0, 0, 0, 0, 8192, 8192, 8704, 0, 0, 0, 0, 0, 0, 0, 22080, 36864 }

Definition at line 21 of file conformance.c.

const unsigned int MaxMBPS[] [static]

Initial value:

 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1485, 1485, 3000, 6000, 11880, 0, 0, 0, 0, 0, 0, 11880, 19800, 20250, 0, 0, 0, 0, 0, 0, 0,  
                          40500, 108000, 216000, 0, 0, 0, 0, 0, 0, 0, 245760, 245760, 522240, 0, 0, 0, 0, 0, 0, 0, 589824, 983040 }

Definition at line 31 of file conformance.c.

const unsigned int MinCR[] [static]

Initial value:

 { 0, 0, 0, 0, 0, 0, 0, 0, 0,  2,  2,   2,   2,   2, 0, 0, 0, 0, 0, 0,   2,   2,   2, 0, 0, 0, 0, 0, 0, 0,  
                             2,    4,    4, 0, 0, 0, 0, 0, 0, 0,    4,    2,    2, 0, 0, 0, 0, 0, 0, 0,     2,     2 }

Definition at line 24 of file conformance.c.

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