/usr/include/thunderbird/vpx/yv12config.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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/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;
unsigned int bit_depth;
int corrupted;
int flags;
} YV12_BUFFER_CONFIG;
#define YV12_FLAG_HIGHBITDEPTH 1
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 vp9_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);
// Updates the yv12 buffer config with the frame buffer. 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 vp9_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,
vpx_codec_frame_buffer_t *fb,
vpx_get_frame_buffer_cb_fn_t cb,
void *cb_priv);
int vp9_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
#ifdef __cplusplus
}
#endif
#endif // VPX_SCALE_YV12CONFIG_H_
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