diff options
Diffstat (limited to 'media/libvpx/libvpx/vp8/common/common.h')
-rw-r--r-- | media/libvpx/libvpx/vp8/common/common.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/common/common.h b/media/libvpx/libvpx/vp8/common/common.h new file mode 100644 index 0000000000..562569f9ab --- /dev/null +++ b/media/libvpx/libvpx/vp8/common/common.h @@ -0,0 +1,48 @@ +/* + * 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. + */ + +#ifndef VPX_VP8_COMMON_COMMON_H_ +#define VPX_VP8_COMMON_COMMON_H_ + +#include <assert.h> + +/* Interface header for common constant data structures and lookup tables */ + +#include "vpx_mem/vpx_mem.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Only need this for fixed-size arrays, for structs just assign. */ + +#define vp8_copy(Dest, Src) \ + do { \ + assert(sizeof(Dest) == sizeof(Src)); \ + memcpy(Dest, Src, sizeof(Src)); \ + } while (0) + +/* Use this for variably-sized arrays. */ + +#define vp8_copy_array(Dest, Src, N) \ + do { \ + assert(sizeof(*(Dest)) == sizeof(*(Src))); \ + memcpy(Dest, Src, (N) * sizeof(*(Src))); \ + } while (0) + +#define vp8_zero(Dest) memset(&(Dest), 0, sizeof(Dest)) + +#define vp8_zero_array(Dest, N) memset(Dest, 0, (N) * sizeof(*(Dest))) + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VPX_VP8_COMMON_COMMON_H_ |