1 files changed, 68 insertions, 0 deletions
diff --git a/include/common/bitdepth.h b/include/common/bitdepth.h
new file mode 100644
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--- /dev/null
+++ b/include/common/bitdepth.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2018, Two Orioles, LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __DAV1D_COMMON_BITDEPTH_H__
+#define __DAV1D_COMMON_BITDEPTH_H__ 1
+
+#include <stdint.h>
+#include <string.h>
+
+#if !defined(BITDEPTH)
+typedef void pixel;
+typedef void coef;
+#elif BITDEPTH == 8
+typedef uint8_t pixel;
+typedef int16_t coef;
+#define pixel_copy memcpy
+#define pixel_set memset
+#define iclip_pixel iclip_u8
+#define PIX_HEX_FMT "%02x"
+#define bytefn(x) x##_8bpc
+#define bitfn(x) x##_8bpc
+#define PXSTRIDE(x) x
+#elif BITDEPTH == 10 || BITDEPTH == 12
+typedef uint16_t pixel;
+typedef int32_t coef;
+#define pixel_copy(a, b, c) memcpy(a, b, (c) << 1)
+#define iclip_pixel(x) iclip(x, 0, ((1 << BITDEPTH) - 1))
+static inline void pixel_set(pixel *const dst, const int val, const int num) {
+    for (int n = 0; n < num; n++)
+        dst[n] = val;
+}
+#define PIX_HEX_FMT "%03x"
+#define bytefn(x) x##_16bpc
+#if BITDEPTH == 10
+#define bitfn(x) x##_10bpc
+#else
+#define bitfn(x) x##_12bpc
+#endif
+#define PXSTRIDE(x) (x >> 1)
+#else
+#error invalid value for bitdepth
+#endif
+
+#endif /* __DAV1D_COMMON_BITDEPTH_H__ */