wcap: Rename wcap-encode to just wcap

1 files changed, 157 insertions, 0 deletions

diff --git a/wcap/mem_ops_aligned.h b/wcap/mem_ops_aligned.h
new file mode 100644
index 00000000..0fbba65e
--- /dev/null
+++ b/wcap/mem_ops_aligned.h
@@ -0,0 +1,157 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+/* \file
+ * \brief Provides portable memory access primitives for operating on aligned
+ *        data
+ *
+ * This file is split from mem_ops.h for easier maintenance. See mem_ops.h
+ * for a more detailed description of these primitives.
+ */
+#ifndef INCLUDED_BY_MEM_OPS_H
+#error Include mem_ops.h, not mem_ops_aligned.h directly.
+#endif
+
+/* Architectures that provide instructions for doing this byte swapping
+ * could redefine these macros.
+ */
+#define swap_endian_16(val,raw) do {\
+        val = ((raw>>8) & 0x00ff) \
+              | ((raw<<8) & 0xff00);\
+    } while(0)
+#define swap_endian_32(val,raw) do {\
+        val = ((raw>>24) & 0x000000ff) \
+              | ((raw>>8)  & 0x0000ff00) \
+              | ((raw<<8)  & 0x00ff0000) \
+              | ((raw<<24) & 0xff000000); \
+    } while(0)
+#define swap_endian_16_se(val,raw) do {\
+        swap_endian_16(val,raw);\
+        val = ((val << 16) >> 16);\
+    } while(0)
+#define swap_endian_32_se(val,raw) swap_endian_32(val,raw)
+
+#define mem_get_ne_aligned_generic(end,sz) \
+    static unsigned MEM_VALUE_T mem_get_##end##sz##_aligned(const void *vmem) {\
+        const uint##sz##_t *mem = (const uint##sz##_t *)vmem;\
+        return *mem;\
+    }
+
+#define mem_get_sne_aligned_generic(end,sz) \
+    static signed MEM_VALUE_T mem_get_s##end##sz##_aligned(const void *vmem) {\
+        const int##sz##_t *mem = (const int##sz##_t *)vmem;\
+        return *mem;\
+    }
+
+#define mem_get_se_aligned_generic(end,sz) \
+    static unsigned MEM_VALUE_T mem_get_##end##sz##_aligned(const void *vmem) {\
+        const uint##sz##_t *mem = (const uint##sz##_t *)vmem;\
+        unsigned MEM_VALUE_T val, raw = *mem;\
+        swap_endian_##sz(val,raw);\
+        return val;\
+    }
+
+#define mem_get_sse_aligned_generic(end,sz) \
+    static signed MEM_VALUE_T mem_get_s##end##sz##_aligned(const void *vmem) {\
+        const int##sz##_t *mem = (const int##sz##_t *)vmem;\
+        unsigned MEM_VALUE_T val, raw = *mem;\
+        swap_endian_##sz##_se(val,raw);\
+        return val;\
+    }
+
+#define mem_put_ne_aligned_generic(end,sz) \
+    static void mem_put_##end##sz##_aligned(void *vmem, MEM_VALUE_T val) {\
+        uint##sz##_t *mem = (uint##sz##_t *)vmem;\
+        *mem = (uint##sz##_t)val;\
+    }
+
+#define mem_put_se_aligned_generic(end,sz) \
+    static void mem_put_##end##sz##_aligned(void *vmem, MEM_VALUE_T val) {\
+        uint##sz##_t *mem = (uint##sz##_t *)vmem, raw;\
+        swap_endian_##sz(raw,val);\
+        *mem = (uint##sz##_t)raw;\
+    }
+
+#include "vpx_config.h"
+#if CONFIG_BIG_ENDIAN
+#define mem_get_be_aligned_generic(sz)  mem_get_ne_aligned_generic(be,sz)
+#define mem_get_sbe_aligned_generic(sz) mem_get_sne_aligned_generic(be,sz)
+#define mem_get_le_aligned_generic(sz)  mem_get_se_aligned_generic(le,sz)
+#define mem_get_sle_aligned_generic(sz) mem_get_sse_aligned_generic(le,sz)
+#define mem_put_be_aligned_generic(sz)  mem_put_ne_aligned_generic(be,sz)
+#define mem_put_le_aligned_generic(sz)  mem_put_se_aligned_generic(le,sz)
+#else
+#define mem_get_be_aligned_generic(sz)  mem_get_se_aligned_generic(be,sz)
+#define mem_get_sbe_aligned_generic(sz) mem_get_sse_aligned_generic(be,sz)
+#define mem_get_le_aligned_generic(sz)  mem_get_ne_aligned_generic(le,sz)
+#define mem_get_sle_aligned_generic(sz) mem_get_sne_aligned_generic(le,sz)
+#define mem_put_be_aligned_generic(sz)  mem_put_se_aligned_generic(be,sz)
+#define mem_put_le_aligned_generic(sz)  mem_put_ne_aligned_generic(le,sz)
+#endif
+
+#undef  mem_get_be16_aligned
+#define mem_get_be16_aligned mem_ops_wrap_symbol(mem_get_be16_aligned)
+mem_get_be_aligned_generic(16);
+
+#undef  mem_get_be32_aligned
+#define mem_get_be32_aligned mem_ops_wrap_symbol(mem_get_be32_aligned)
+mem_get_be_aligned_generic(32);
+
+#undef  mem_get_le16_aligned
+#define mem_get_le16_aligned mem_ops_wrap_symbol(mem_get_le16_aligned)
+mem_get_le_aligned_generic(16);
+
+#undef  mem_get_le32_aligned
+#define mem_get_le32_aligned mem_ops_wrap_symbol(mem_get_le32_aligned)
+mem_get_le_aligned_generic(32);
+
+#undef  mem_get_sbe16_aligned
+#define mem_get_sbe16_aligned mem_ops_wrap_symbol(mem_get_sbe16_aligned)
+mem_get_sbe_aligned_generic(16);
+
+#undef  mem_get_sbe32_aligned
+#define mem_get_sbe32_aligned mem_ops_wrap_symbol(mem_get_sbe32_aligned)
+mem_get_sbe_aligned_generic(32);
+
+#undef  mem_get_sle16_aligned
+#define mem_get_sle16_aligned mem_ops_wrap_symbol(mem_get_sle16_aligned)
+mem_get_sle_aligned_generic(16);
+
+#undef  mem_get_sle32_aligned
+#define mem_get_sle32_aligned mem_ops_wrap_symbol(mem_get_sle32_aligned)
+mem_get_sle_aligned_generic(32);
+
+#undef  mem_put_be16_aligned
+#define mem_put_be16_aligned mem_ops_wrap_symbol(mem_put_be16_aligned)
+mem_put_be_aligned_generic(16);
+
+#undef  mem_put_be32_aligned
+#define mem_put_be32_aligned mem_ops_wrap_symbol(mem_put_be32_aligned)
+mem_put_be_aligned_generic(32);
+
+#undef  mem_put_le16_aligned
+#define mem_put_le16_aligned mem_ops_wrap_symbol(mem_put_le16_aligned)
+mem_put_le_aligned_generic(16);
+
+#undef  mem_put_le32_aligned
+#define mem_put_le32_aligned mem_ops_wrap_symbol(mem_put_le32_aligned)
+mem_put_le_aligned_generic(32);
+
+#undef mem_get_ne_aligned_generic
+#undef mem_get_se_aligned_generic
+#undef mem_get_sne_aligned_generic
+#undef mem_get_sse_aligned_generic
+#undef mem_put_ne_aligned_generic
+#undef mem_put_se_aligned_generic
+#undef swap_endian_16
+#undef swap_endian_32
+#undef swap_endian_16_se
+#undef swap_endian_32_se