ChromaFormat.h 7.43 KiB
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#ifndef __CHROMAFORMAT__
#define __CHROMAFORMAT__
#include "Common.h"
#include "CommonDef.h"
#include "Rom.h"
#include <iostream>
#include <vector>
//======================================================================================================================
//Chroma format utility functions =====================================================================================
//======================================================================================================================
static inline ChannelType toChannelType (const ComponentID id) { return (id==COMPONENT_Y)? CHANNEL_TYPE_LUMA : CHANNEL_TYPE_CHROMA; }
static inline bool isLuma (const ComponentID id) { return (id==COMPONENT_Y); }
static inline bool isLuma (const ChannelType id) { return (id==CHANNEL_TYPE_LUMA); }
static inline bool isChroma (const ComponentID id) { return (id!=COMPONENT_Y); }
static inline bool isChroma (const ChannelType id) { return (id!=CHANNEL_TYPE_LUMA); }
static inline uint32_t getChannelTypeScaleX (const ChannelType id, const ChromaFormat fmt) { return (isLuma(id) || (fmt==CHROMA_444)) ? 0 : 1; }
static inline uint32_t getChannelTypeScaleY (const ChannelType id, const ChromaFormat fmt) { return (isLuma(id) || (fmt!=CHROMA_420)) ? 0 : 1; }
static inline uint32_t getComponentScaleX (const ComponentID id, const ChromaFormat fmt) { return getChannelTypeScaleX(toChannelType(id), fmt); }
static inline uint32_t getComponentScaleY (const ComponentID id, const ChromaFormat fmt) { return getChannelTypeScaleY(toChannelType(id), fmt); }
static inline uint32_t getNumberValidComponents (const ChromaFormat fmt) { return (fmt==CHROMA_400) ? 1 : MAX_NUM_COMPONENT; }
static inline uint32_t getNumberValidChannels (const ChromaFormat fmt) { return (fmt==CHROMA_400) ? 1 : MAX_NUM_CHANNEL_TYPE; }
static inline bool isChromaEnabled (const ChromaFormat fmt) { return !(fmt==CHROMA_400); }
static inline ComponentID getFirstComponentOfChannel(const ChannelType id) { return (isLuma(id) ? COMPONENT_Y : COMPONENT_Cb); }
InputColourSpaceConversion stringToInputColourSpaceConvert(const std::string &value, const bool bIsForward);
std::string getListOfColourSpaceConverts(const bool bIsForward);
//------------------------------------------------
static inline uint32_t getTotalSamples(const uint32_t width, const uint32_t height, const ChromaFormat format)
{
const uint32_t samplesPerChannel = width * height;