106 строки
3.1 KiB
C
106 строки
3.1 KiB
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.
|
|
*/
|
|
|
|
#ifndef VPX_SCALE_YV12CONFIG_H_
|
|
#define VPX_SCALE_YV12CONFIG_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "./vpx_config.h"
|
|
#include "vpx/vpx_codec.h"
|
|
#include "vpx/vpx_frame_buffer.h"
|
|
#include "vpx/vpx_integer.h"
|
|
|
|
#define VP8BORDERINPIXELS 32
|
|
#define VP9INNERBORDERINPIXELS 96
|
|
#define VP9_INTERP_EXTEND 4
|
|
#define VP9_ENC_BORDER_IN_PIXELS 160
|
|
#define VP9_DEC_BORDER_IN_PIXELS 32
|
|
|
|
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;
|
|
|
|
uint8_t *buffer_alloc;
|
|
int buffer_alloc_sz;
|
|
int border;
|
|
int frame_size;
|
|
int subsampling_x;
|
|
int subsampling_y;
|
|
unsigned int bit_depth;
|
|
vpx_color_space_t color_space;
|
|
vpx_color_range_t color_range;
|
|
int render_width;
|
|
int render_height;
|
|
|
|
int corrupted;
|
|
int flags;
|
|
} YV12_BUFFER_CONFIG;
|
|
|
|
#define YV12_FLAG_HIGHBITDEPTH 8
|
|
|
|
int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
|
|
int width, int height, int border);
|
|
int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
|
|
int width, int height, int border);
|
|
int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
|
|
|
|
int vpx_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
|
|
int width, int height, int ss_x, int ss_y,
|
|
#if CONFIG_VP9_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 libvpx is using the frame buffer callbacks to handle memory.
|
|
// If cb is not NULL, libvpx will call cb with minimum size in bytes needed
|
|
// to decode the current frame. If cb is NULL, libvpx will allocate memory
|
|
// internally to decode the current frame. Returns 0 on success. Returns < 0
|
|
// on failure.
|
|
int vpx_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
|
|
int width, int height, int ss_x, int ss_y,
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
int use_highbitdepth,
|
|
#endif
|
|
int border,
|
|
int byte_alignment,
|
|
vpx_codec_frame_buffer_t *fb,
|
|
vpx_get_frame_buffer_cb_fn_t cb,
|
|
void *cb_priv);
|
|
int vpx_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // VPX_SCALE_YV12CONFIG_H_
|