зеркало из https://github.com/mozilla/gecko-dev.git
141 строка
3.8 KiB
C
141 строка
3.8 KiB
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.
|
|
*/
|
|
|
|
#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 {
|
|
union {
|
|
struct {
|
|
int y_width;
|
|
int uv_width;
|
|
int alpha_width;
|
|
};
|
|
int widths[3];
|
|
};
|
|
union {
|
|
struct {
|
|
int y_height;
|
|
int uv_height;
|
|
int alpha_height;
|
|
};
|
|
int heights[3];
|
|
};
|
|
union {
|
|
struct {
|
|
int y_crop_width;
|
|
int uv_crop_width;
|
|
};
|
|
int crop_widths[2];
|
|
};
|
|
union {
|
|
struct {
|
|
int y_crop_height;
|
|
int uv_crop_height;
|
|
};
|
|
int crop_heights[2];
|
|
};
|
|
union {
|
|
struct {
|
|
int y_stride;
|
|
int uv_stride;
|
|
int alpha_stride;
|
|
};
|
|
int strides[3];
|
|
};
|
|
union {
|
|
struct {
|
|
uint8_t *y_buffer;
|
|
uint8_t *u_buffer;
|
|
uint8_t *v_buffer;
|
|
uint8_t *alpha_buffer;
|
|
};
|
|
uint8_t *buffers[4];
|
|
};
|
|
|
|
#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;
|
|
int buf_8bit_valid;
|
|
#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_transfer_function_t transfer_function;
|
|
aom_chroma_sample_position_t chroma_sample_position;
|
|
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_
|