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Residual coding

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This commit is contained in:
Ali
2022-07-29 18:32:51 +02:00
parent 64076541cd
commit f6ad7dc77a
35 changed files with 2784 additions and 498 deletions
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10
submodules/TelegramUI/Components/AnimationCache/ImageDCT/Sources/DCT.h
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@@ -11,7 +11,13 @@ namespace dct {
class DCTInternal;
struct DCTTable {
static DCTTable generate(int quality, bool isChroma);
enum class Type {
Luma,
Chroma,
Delta
};
static DCTTable generate(int quality, Type type);
static DCTTable initializeEmpty();
std::vector<int16_t> table;
@@ -24,6 +30,8 @@ public:
void forward(uint8_t const *pixels, int16_t *coefficients, int width, int height, int bytesPerRow);
void inverse(int16_t const *coefficients, uint8_t *pixels, int width, int height, int coefficientsPerRow, int bytesPerRow);
void forward4x4(int16_t const *normalizedCoefficients, int16_t *coefficients, int width, int height);
void inverse4x4(int16_t const *coefficients, int16_t *normalizedCoefficients, int width, int height);
private:
DCTInternal *_internal;