chromium/third_party/libvpx/source/libvpx/vpx_scale/generic/yv12extend.c

/*
 *  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.
 */

#include <assert.h>
#include "./vpx_config.h"
#include "./vpx_scale_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_mem/vpx_mem.h"
#include "vpx_ports/mem.h"
#include "vpx_scale/yv12config.h"
#if CONFIG_VP9_HIGHBITDEPTH
#include "vp9/common/vp9_common.h"
#endif

static void extend_plane(uint8_t *const src, int src_stride, int width,
                         int height, int extend_top, int extend_left,
                         int extend_bottom, int extend_right) { … }

#if CONFIG_VP9_HIGHBITDEPTH
static void extend_plane_high(uint8_t *const src8, int src_stride, int width,
                              int height, int extend_top, int extend_left,
                              int extend_bottom, int extend_right) { … }
#endif

void vp8_yv12_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf) { … }

#if CONFIG_VP9
static void extend_frame(YV12_BUFFER_CONFIG *const ybf, int ext_size) { … }

void vpx_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf) { … }

void vpx_extend_frame_inner_borders_c(YV12_BUFFER_CONFIG *ybf) { … }

#if CONFIG_VP9_HIGHBITDEPTH
static void memcpy_short_addr(uint8_t *dst8, const uint8_t *src8, int num) { … }
#endif  // CONFIG_VP9_HIGHBITDEPTH
#endif  // CONFIG_VP9

// Copies the source image into the destination image and updates the
// destination's UMV borders.
// Note: The frames are assumed to be identical in size.

void vp8_yv12_copy_frame_c(const YV12_BUFFER_CONFIG *src_ybc,
                           YV12_BUFFER_CONFIG *dst_ybc) { … }

#if CONFIG_VP9
void vpx_yv12_copy_frame_c(const YV12_BUFFER_CONFIG *src_ybc,
                           YV12_BUFFER_CONFIG *dst_ybc) { … }
#endif  // CONFIG_VP9

void vpx_yv12_copy_y_c(const YV12_BUFFER_CONFIG *src_ybc,
                       YV12_BUFFER_CONFIG *dst_ybc) { … }