Created by the British Broadcasting Corporation.
Parameters common to coder and decoder operation. More...
#include <common.h>
Public Member Functions | |
CodecParams (const VideoFormat &video_format=VIDEO_FORMAT_CUSTOM, PictureType ftype=INTRA_PICTURE, unsigned int num_refs=0, bool set_defaults=true) | |
Default constructor. | |
int | PictureCodingMode () const |
Returns the picture coding mode (independent of source format) | |
bool | FieldCoding () const |
Returns true if the pictures are being coded as fields (mode 1 or 3) | |
bool | TopFieldFirst () const |
Returns true if the topmost field comes first in time when coding. | |
int | Xl () const |
Return the picture/field luma width. | |
int | Yl () const |
Return the picture/field luma height. | |
int | ChromaXl () const |
Return the picture/field chroma width. | |
int | ChromaYl () const |
Return the picture/field chroma height. | |
unsigned int | LumaDepth () const |
Returns the luma depth. | |
unsigned int | ChromaDepth () const |
Returns the chroma depth. | |
bool | ZeroTransform () const |
Return zero transform flag being used for picture (de)coding. | |
WltFilter | TransformFilter () const |
Return the wavelet filter currently being used for picture (de)coding. | |
unsigned int | TransformDepth () const |
Return the transform depth being used for picture (de)coding. | |
CodeBlockMode | GetCodeBlockMode () const |
Return multiple quantisers flag being used for picture (de)coding. | |
bool | SpatialPartition () const |
Return the spatial partitioning flag being used for picture (de)coding. | |
const CodeBlocks & | GetCodeBlocks (unsigned int level) const |
Return the code blocks for a particular level. | |
VideoFormat | GetVideoFormat () const |
Return the video format currently being used for picture (de)coding. | |
PicturePredParams & | GetPicPredParams () |
Return the picture prediction params. | |
const PicturePredParams & | GetPicPredParams () const |
Return the picture prediction params. | |
void | SetPictureCodingMode (int pic_coding) |
Sets whether input is coded as fields or quincunxially. | |
void | SetTopFieldFirst (bool topf) |
Sets whether the topmost field comes first in time [NB: TBD since this duplicates metadata in the sequence header]. | |
void | SetXl (const int x) |
Set the picture/field luma width. | |
void | SetYl (const int y) |
Set the picture/field luma height. | |
void | SetChromaXl (const int x) |
Set the frame/field chroma width. | |
void | SetChromaYl (const int y) |
Set the frame/field chroma height. | |
void | SetLumaDepth (unsigned int luma_depth) |
Set Luma Depth. | |
void | SetChromaDepth (unsigned int chroma_depth) |
Set Chroma Depth. | |
void | SetZeroTransform (bool zero_transform) |
Set the zero transform flag being used for picture (de)coding. | |
void | SetTransformFilter (const WltFilter wf) |
Set the wavelet filter used for picture (de)coding. | |
void | SetTransformFilter (unsigned int wf_idx) |
Set the wavelet filter used for picture (de)coding. | |
void | SetTransformDepth (unsigned int wd) |
Set the transform depth used for picture (de)coding and allocate for the code blocks array. | |
void | SetCodeBlockMode (unsigned int cb_mode) |
Set the multiple quantisers flag usedto picture (de)coding. | |
void | SetSpatialPartition (bool spatial_partition) |
Set the spatial partition flag usedto picture (de)coding. | |
void | SetCodeBlocks (unsigned int level, unsigned int hblocks, unsigned int vblocks) |
Set the number of code blocks for a particular level. | |
void | SetVideoFormat (const VideoFormat vd) |
Set the video format used for picture (de)coding. |
Protected Member Functions | |
WltFilter | TransformFilter (unsigned int wf_idx) |
Return the Wavelet filter associated with the wavelet index. |
Private Attributes | |
PicturePredParams | m_picpredparams |
The picture prediction parameters. | |
int | m_pic_coding_mode |
The picture coding mode. | |
bool | m_topfieldfirst |
True if interlaced and top field is first in temporal order. | |
int | m_xl |
The frame/field luma width. | |
int | m_yl |
The frame/field luma height. | |
int | m_cxl |
The frame/field chroma width. | |
int | m_cyl |
The frame/field chroma height. | |
unsigned int | m_luma_depth |
Luma depth - number of bits required for lumz. | |
unsigned int | m_chroma_depth |
chroma depth - number of bits required for luma | |
VideoFormat | m_video_format |
The video format being used. | |
bool | m_zero_transform |
Zero transform flag. | |
WltFilter | m_wlt_filter |
The wavelet filter being used. | |
unsigned int | m_wlt_depth |
Wavelet depth. | |
CodeBlockMode | m_cb_mode |
Code block mode. | |
bool | m_spatial_partition |
Spatial partitioning flag. | |
OneDArray< CodeBlocks > | m_cb |
Code block array. Number of entries is m_wlt_depth+1. |
Parameters used throughout both the encoder and the decoder
dirac::CodecParams::CodecParams | ( | const VideoFormat & | video_format = VIDEO_FORMAT_CUSTOM , |
PictureType | ftype = INTRA_PICTURE , |
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unsigned int | num_refs = 0 , |
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bool | set_defaults = true |
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References m_chroma_depth.
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References m_cxl.
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References m_cyl.
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References m_pic_coding_mode.
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References m_cb_mode.
const CodeBlocks& dirac::CodecParams::GetCodeBlocks | ( | unsigned int | level | ) | const |
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References m_picpredparams.
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References m_picpredparams.
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References m_video_format.
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References m_luma_depth.
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Returns the picture coding mode (independent of source format) 0 = Frame coding (no quincunx) 1 = Field coding (no quincunx)
References m_pic_coding_mode.
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References m_chroma_depth.
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References m_cxl.
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References m_cyl.
void dirac::CodecParams::SetCodeBlockMode | ( | unsigned int | cb_mode | ) |
void dirac::CodecParams::SetCodeBlocks | ( | unsigned int | level, |
unsigned int | hblocks, | ||
unsigned int | vblocks | ||
) |
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References m_luma_depth.
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References m_pic_coding_mode.
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References m_spatial_partition.
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References m_topfieldfirst.
void dirac::CodecParams::SetTransformDepth | ( | unsigned int | wd | ) |
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References m_wlt_filter.
void dirac::CodecParams::SetTransformFilter | ( | unsigned int | wf_idx | ) |
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References m_video_format.
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References m_xl.
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References m_yl.
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References m_zero_transform.
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References m_spatial_partition.
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References m_topfieldfirst.
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References m_wlt_depth.
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References m_wlt_filter.
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References m_xl.
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References m_yl.
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References m_zero_transform.
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Referenced by GetCodeBlockMode().
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Referenced by ChromaDepth(), and SetChromaDepth().
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Referenced by ChromaXl(), and SetChromaXl().
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Referenced by ChromaYl(), and SetChromaYl().
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Referenced by LumaDepth(), and SetLumaDepth().
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Referenced by FieldCoding(), PictureCodingMode(), and SetPictureCodingMode().
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Referenced by GetPicPredParams().
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Referenced by SetSpatialPartition(), and SpatialPartition().
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Referenced by SetTopFieldFirst(), and TopFieldFirst().
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Referenced by GetVideoFormat(), and SetVideoFormat().
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Referenced by TransformDepth().
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Referenced by SetTransformFilter(), and TransformFilter().
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Referenced by SetZeroTransform(), and ZeroTransform().
© 2004 British Broadcasting Corporation.
Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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