Diff: extlib/BaseJpegDecode/inverseDCT.h

Revision:

0:d69efd0ee139

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/extlib/BaseJpegDecode/inverseDCT.h	Thu Sep 18 15:21:47 2014 +0000
@@ -0,0 +1,30 @@
+// inverseDCT.h 2013/1/28
+#ifndef INVERSE_DCT_H
+#define INVERSE_DCT_H
+
+#define USE_IDCT_AAN
+//#define USE_IDCT_TABLE
+
+#ifdef USE_IDCT_AAN
+#include "aanIDCT.h"
+class inverseDCT {
+public:
+    void inputBLOCK(int mcu, int block, int scan, int value);
+    virtual void outputBLOCK(int mcu, int block, int8_t * values) = 0;
+private:
+    int16_t m_s[64];
+    aanIDCT idct;
+};
+#endif // USE_IDCT_AAN
+
+#ifdef USE_IDCT_TABLE
+class inverseDCT {
+public:
+    void inputBLOCK(int mcu, int block, int scan, int value);
+    virtual void outputBLOCK(int mcu, int block, int8_t* values) = 0;
+private:
+    int16_t m_sum[64];
+};
+#endif // USE_IDCT_TABLE
+ 
+#endif // INVERSE_DCT_H