Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

2026-06-09 03:23:55 +02:00 · 2025-12-06 02:17:48 +04:00
commit 8344b97e03
28070 changed files with 7995182 additions and 0 deletions
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+#ifndef DCT_H
+#define DCT_H
+
+#include "DCTCommon.h"
+
+#include <vector>
+#include <stdint.h>
+
+namespace dct {
+
+class DCTInternal;
+
+struct DCTTable {
+    enum class Type {
+        Luma,
+        Chroma,
+        Delta
+    };
+    
+    static DCTTable generate(int quality, Type type);
+    static DCTTable initializeEmpty();
+    
+    std::vector<int16_t> table;
+};
+
+class DCT {
+public:
+    DCT(DCTTable const &dctTable);
+    ~DCT();
+
+    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);
+    
+#if defined(__aarch64__)
+    void forward4x4(int16_t const *normalizedCoefficients, int16_t *coefficients, int width, int height);
+    void inverse4x4Add(int16_t const *coefficients, int16_t *normalizedCoefficients, int width, int height);
+#endif
+
+private:
+    DCTInternal *_internal;
+};
+
+}
+
+#endif