chromium/third_party/libaom/source/libaom/aom_scale/generic/yv12config.c

/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */

#include <assert.h>

#include "config/aom_config.h"

#include "aom/aom_image.h"
#include "aom/internal/aom_image_internal.h"
#include "aom_dsp/flow_estimation/corner_detect.h"
#include "aom_dsp/pyramid.h"
#include "aom_mem/aom_mem.h"
#include "aom_ports/mem.h"
#include "aom_scale/yv12config.h"
#include "av1/common/enums.h"

/****************************************************************************
 *  Exports
 ****************************************************************************/

/****************************************************************************
 *
 ****************************************************************************/

// TODO(jkoleszar): Maybe replace this with struct aom_image
int aom_free_frame_buffer(YV12_BUFFER_CONFIG *ybf) { … }

static int realloc_frame_buffer_aligned(
    YV12_BUFFER_CONFIG *ybf, int width, int height, int ss_x, int ss_y,
    int use_highbitdepth, int border, int byte_alignment,
    aom_codec_frame_buffer_t *fb, aom_get_frame_buffer_cb_fn_t cb,
    void *cb_priv, const int y_stride, const uint64_t yplane_size,
    const uint64_t uvplane_size, const int aligned_width,
    const int aligned_height, const int uv_width, const int uv_height,
    const int uv_stride, const int uv_border_w, const int uv_border_h,
    bool alloc_pyramid, int alloc_y_plane_only) { … }

static int calc_stride_and_planesize(
    const int ss_x, const int ss_y, const int aligned_width,
    const int aligned_height, const int border, const int byte_alignment,
    int alloc_y_plane_only, int *y_stride, int *uv_stride,
    uint64_t *yplane_size, uint64_t *uvplane_size, const int uv_height) { … }

int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
                             int ss_x, int ss_y, int use_highbitdepth,
                             int border, int byte_alignment,
                             aom_codec_frame_buffer_t *fb,
                             aom_get_frame_buffer_cb_fn_t cb, void *cb_priv,
                             bool alloc_pyramid, int alloc_y_plane_only) { … }

int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
                           int ss_x, int ss_y, int use_highbitdepth, int border,
                           int byte_alignment, bool alloc_pyramid,
                           int alloc_y_plane_only) { … }

void aom_remove_metadata_from_frame_buffer(YV12_BUFFER_CONFIG *ybf) { … }

int aom_copy_metadata_to_frame_buffer(YV12_BUFFER_CONFIG *ybf,
                                      const aom_metadata_array_t *arr) { … }