demo version

demo/camera_client/dependencies/libvisiontransfer/visiontransfer/bitconversions.h

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+/*******************************************************************************
+ * Copyright (c) 2021 Nerian Vision GmbH
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *******************************************************************************/
+
+#ifndef VISIONTRANSFER_BITCONVERSIONS_H
+#define VISIONTRANSFER_BITCONVERSIONS_H
+
+namespace visiontransfer {
+namespace internal {
+
+/**
+ * \brief Various implementations for converting from 12-bit to
+ * 16-bit per pixels formats.
+ */
+class BitConversions {
+public:
+    static void decode12BitPacked(int startRow, int stopRow, const unsigned char* src,
+        unsigned char* dst, int srcStride, int dstStride, int rowWidth);
+
+    static void encode12BitPacked(int startRow, int stopRow, const unsigned char* src,
+        unsigned char* dst, int srcStride, int dstStride, int rowWidth);
+
+private:
+    template <bool alignedLoad>
+    static void decode12BitPackedSSE4(int startRow, int stopRow, const unsigned char* dispStart,
+        int width, unsigned short* dst, int srcStride, int dstStride);
+
+    template <bool alignedLoad>
+    static void decode12BitPackedNEON(int startRow, int stopRow, const unsigned char* dispStart,
+        int width, unsigned short* dst, int srcStride, int dstStride);
+
+    static void decode12BitPackedFallback(int startRow, int stopRow, const unsigned char* dispStart,
+        int width, unsigned short* dst, int srcStride, int dstStride);
+};
+
+}} // namespace
+
+#endif