diff options
Diffstat (limited to 'media/libvpx/vp8/common/reconintra4x4.h')
| -rw-r--r-- | media/libvpx/vp8/common/reconintra4x4.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/reconintra4x4.h b/media/libvpx/vp8/common/reconintra4x4.h new file mode 100644 index 000000000..ed59c9edd --- /dev/null +++ b/media/libvpx/vp8/common/reconintra4x4.h @@ -0,0 +1,40 @@ +/* + * 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 VP8_COMMON_RECONINTRA4X4_H_ +#define VP8_COMMON_RECONINTRA4X4_H_ +#include "vp8/common/blockd.h" + +#ifdef __cplusplus +extern "C" { +#endif + +static void intra_prediction_down_copy(MACROBLOCKD *xd, + unsigned char *above_right_src) +{ + int dst_stride = xd->dst.y_stride; + unsigned char *above_right_dst = xd->dst.y_buffer - dst_stride + 16; + + unsigned int *src_ptr = (unsigned int *)above_right_src; + unsigned int *dst_ptr0 = (unsigned int *)(above_right_dst + 4 * dst_stride); + unsigned int *dst_ptr1 = (unsigned int *)(above_right_dst + 8 * dst_stride); + unsigned int *dst_ptr2 = (unsigned int *)(above_right_dst + 12 * dst_stride); + + *dst_ptr0 = *src_ptr; + *dst_ptr1 = *src_ptr; + *dst_ptr2 = *src_ptr; +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VP8_COMMON_RECONINTRA4X4_H_ |