Compress a single image picture.
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#include <picture_compress.h>
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| PictureCompressor (EncoderParams &encp) |
| Constructor.
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| ~PictureCompressor () |
| Destructor.
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void | PixelME (EncQueue &my_buffer, int pnum) |
| Do pixel accurate motion estimate.
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void | CalcComplexity (EncQueue &my_buffer, int pnum, const OLBParams &olbparams) |
| Calculate the complexity of a picture.
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void | CalcComplexity2 (EncQueue &my_buffer, int pnum) |
void | NormaliseComplexity (EncQueue &my_buffer, int pnum) |
| Normalise picture complexity with respect to others in the queue.
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void | SubPixelME (EncQueue &my_buffer, int pnum) |
| Do subpixel accurate motion vector refinement.
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void | ModeDecisionME (EncQueue &my_buffer, int pnum) |
| Do mode decision based on sub-pel vectors.
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void | IntraModeAnalyse (EncQueue &my_buffer, int pnum) |
| Detect cuts in the current picture.
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void | MotionCompensate (EncQueue &my_buffer, int pnum, AddOrSub dirn) |
| Does motion compensation on picture pnum (forward or backward)
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void | Prefilter (EncQueue &my_buffer, int pnum) |
| Prefilter if required.
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void | DoDWT (EncQueue &my_buffer, int pnum, Direction dirn) |
| Do the DWT on a given picture.
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void | CodeResidue (EncQueue &my_pbuffer, int pnum, PictureByteIO *pic_byteio) |
| Compress a specific picture within a group of pictures (GOP)
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void | CodeMVData (EncQueue &my_buffer, int pnum, PictureByteIO *pic_byteio) |
| Compresses the motion vector data.
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bool | IsSkipped () |
| Returns true if the picture has been skipped rather than coded normally.
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bool | IsMEDataAvail () const |
| Returns true if Motion estimation data is available.
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const MEData * | GetMEData () const |
| Returns the motion estimation data.
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| PictureCompressor (const PictureCompressor &cpy) |
| Copy constructor is private and body-less.
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PictureCompressor & | operator= (const PictureCompressor &rhs) |
| Assignment = is private and body-less.
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void | InitCoeffData (CoeffArray &coeff_data, const int xl, const int yl) |
| Initialise the coefficient data array for holding wavelet coefficients.
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float | GetCompLambda (const EncPicture &my_picture, const CompSort csort) |
| Returns the value lambda according to picture and component type.
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void | SelectQuantisers (CoeffArray &coeff_data, SubbandList &bands, const float lambda, OneDArray< unsigned int > &est_counts, const CodeBlockMode cb_mode, const PictureParams &pp, const CompSort csort) |
int | SelectMultiQuants (CoeffArray &coeff_data, SubbandList &bands, const int band_num, const float lambda, const PictureParams &pp, const CompSort csort) |
void | SetupCodeBlocks (SubbandList &bands) |
void | AddSubAverage (CoeffArray &coeff_data, int xl, int yl, AddOrSub dirn) |
This class compresses a single picture at a time, using parameters supplied at its construction. PictureCompressor is used by SequenceCompressor.
◆ PictureCompressor() [1/2]
dirac::PictureCompressor::PictureCompressor |
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EncoderParams & | encp | ) |
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Creates a FrameEncoder with specific set of parameters the control the compression process. It encodes motion data before encoding each component of the picture.
- Parameters
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Referenced by operator=(), and PictureCompressor().
◆ ~PictureCompressor()
dirac::PictureCompressor::~PictureCompressor |
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◆ PictureCompressor() [2/2]
Copy constructor is private and body-less. This class should not be copied.
References PictureCompressor().
◆ AddSubAverage()
void dirac::PictureCompressor::AddSubAverage |
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CoeffArray & | coeff_data, |
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int | xl, |
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int | yl, |
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AddOrSub | dirn ) |
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◆ CalcComplexity()
void dirac::PictureCompressor::CalcComplexity |
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EncQueue & | my_buffer, |
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int | pnum, |
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const OLBParams & | olbparams ) |
◆ CalcComplexity2()
void dirac::PictureCompressor::CalcComplexity2 |
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EncQueue & | my_buffer, |
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int | pnum ) |
◆ CodeMVData()
◆ CodeResidue()
void dirac::PictureCompressor::CodeResidue |
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EncQueue & | my_pbuffer, |
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int | pnum, |
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PictureByteIO * | pic_byteio ) |
Compresses a specified picture within a group of pictures.
- Parameters
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my_pbuffer | picture buffer in which the reference frames resides |
pnum | picture number to compress |
pic_byteio | compressed picture in Dirac bytestream format |
◆ DoDWT()
void dirac::PictureCompressor::DoDWT |
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EncQueue & | my_buffer, |
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int | pnum, |
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Direction | dirn ) |
◆ GetCompLambda()
float dirac::PictureCompressor::GetCompLambda |
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const EncPicture & | my_picture, |
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const CompSort | csort ) |
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◆ GetMEData()
const MEData * dirac::PictureCompressor::GetMEData |
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const |
◆ InitCoeffData()
void dirac::PictureCompressor::InitCoeffData |
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CoeffArray & | coeff_data, |
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const int | xl, |
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const int | yl ) |
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◆ IntraModeAnalyse()
void dirac::PictureCompressor::IntraModeAnalyse |
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EncQueue & | my_buffer, |
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int | pnum ) |
◆ IsMEDataAvail()
bool dirac::PictureCompressor::IsMEDataAvail |
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const |
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◆ IsSkipped()
bool dirac::PictureCompressor::IsSkipped |
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◆ ModeDecisionME()
void dirac::PictureCompressor::ModeDecisionME |
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EncQueue & | my_buffer, |
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int | pnum ) |
◆ MotionCompensate()
void dirac::PictureCompressor::MotionCompensate |
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EncQueue & | my_buffer, |
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int | pnum, |
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AddOrSub | dirn ) |
◆ NormaliseComplexity()
void dirac::PictureCompressor::NormaliseComplexity |
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EncQueue & | my_buffer, |
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int | pnum ) |
◆ operator=()
Assignment = is private and body-less. This class should not be assigned.
References PictureCompressor().
◆ PixelME()
void dirac::PictureCompressor::PixelME |
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EncQueue & | my_buffer, |
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int | pnum ) |
◆ Prefilter()
void dirac::PictureCompressor::Prefilter |
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EncQueue & | my_buffer, |
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int | pnum ) |
◆ SelectMultiQuants()
◆ SelectQuantisers()
◆ SetupCodeBlocks()
void dirac::PictureCompressor::SetupCodeBlocks |
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SubbandList & | bands | ) |
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◆ SubPixelME()
void dirac::PictureCompressor::SubPixelME |
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EncQueue & | my_buffer, |
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int | pnum ) |
◆ m_encparams
◆ m_global_pred_mode
PredMode dirac::PictureCompressor::m_global_pred_mode |
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◆ m_is_a_cut
bool dirac::PictureCompressor::m_is_a_cut |
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◆ m_me_data
MEData* dirac::PictureCompressor::m_me_data |
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◆ m_medata_avail
bool dirac::PictureCompressor::m_medata_avail |
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◆ m_orig_prec
◆ m_skipped
bool dirac::PictureCompressor::m_skipped |
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◆ m_use_block_mv
bool dirac::PictureCompressor::m_use_block_mv |
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◆ m_use_global
bool dirac::PictureCompressor::m_use_global |
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The documentation for this class was generated from the following file: