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Import aom library

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This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
This commit is contained in:
trav90 2018-10-15 21:45:30 -05:00 • committed by Roy Tam
commit edc8d83307
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110
third_party/aom/aom_scale/yv12config.h vendored Normal file
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/*
* 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.
*/
#ifndef AOM_SCALE_YV12CONFIG_H_
#define AOM_SCALE_YV12CONFIG_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "./aom_config.h"
#include "aom/aom_codec.h"
#include "aom/aom_frame_buffer.h"
#include "aom/aom_integer.h"
#if CONFIG_EXT_PARTITION
#define AOMINNERBORDERINPIXELS 160
#else
#define AOMINNERBORDERINPIXELS 96
#endif // CONFIG_EXT_PARTITION
#define AOM_INTERP_EXTEND 4
// TODO(jingning): Use unified inter predictor for encoder and
// decoder during the development process. Revisit the frame border
// to improve the decoder performance.
#define AOM_BORDER_IN_PIXELS 160
typedef struct yv12_buffer_config {
int y_width;
int y_height;
int y_crop_width;
int y_crop_height;
int y_stride;
int uv_width;
int uv_height;
int uv_crop_width;
int uv_crop_height;
int uv_stride;
int alpha_width;
int alpha_height;
int alpha_stride;
uint8_t *y_buffer;
uint8_t *u_buffer;
uint8_t *v_buffer;
uint8_t *alpha_buffer;
#if CONFIG_HIGHBITDEPTH && CONFIG_GLOBAL_MOTION
// If the frame is stored in a 16-bit buffer, this stores an 8-bit version
// for use in global motion detection. It is allocated on-demand.
uint8_t *y_buffer_8bit;
#endif
uint8_t *buffer_alloc;
size_t buffer_alloc_sz;
int border;
size_t frame_size;
int subsampling_x;
int subsampling_y;
unsigned int bit_depth;
aom_color_space_t color_space;
aom_color_range_t color_range;
int render_width;
int render_height;
int corrupted;
int flags;
} YV12_BUFFER_CONFIG;
#define YV12_FLAG_HIGHBITDEPTH 8
int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
int ss_x, int ss_y,
#if CONFIG_HIGHBITDEPTH
int use_highbitdepth,
#endif
int border, int byte_alignment);
// Updates the yv12 buffer config with the frame buffer. |byte_alignment| must
// be a power of 2, from 32 to 1024. 0 sets legacy alignment. If cb is not
// NULL, then libaom is using the frame buffer callbacks to handle memory.
// If cb is not NULL, libaom will call cb with minimum size in bytes needed
// to decode the current frame. If cb is NULL, libaom will allocate memory
// internally to decode the current frame. Returns 0 on success. Returns < 0
// on failure.
int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
int ss_x, int ss_y,
#if CONFIG_HIGHBITDEPTH
int use_highbitdepth,
#endif
int border, int byte_alignment,
aom_codec_frame_buffer_t *fb,
aom_get_frame_buffer_cb_fn_t cb, void *cb_priv);
int aom_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
#ifdef __cplusplus
}
#endif
#endif // AOM_SCALE_YV12CONFIG_H_