blob: 922cc1b0786e2dabc3301208e704215a87e0e1b4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_BASE_COLOR_PLANE_LAYOUT_H_
#define MEDIA_BASE_COLOR_PLANE_LAYOUT_H_
#include <stddef.h>
#include <stdint.h>
#include <ostream>
#include "media/base/media_export.h"
namespace media {
// Encapsulates a color plane's memory layout: (stride, offset, size)
// stride: in bytes of a plane. Note that stride can be negative if the image
// layout is bottom-up.
// offset: in bytes of a plane, which stands for the offset of a start point of
// a color plane from a buffer FD.
// size: in bytes of a plane. This |size| bytes data must contain all the data
// a decoder will access (e.g. visible area and padding).
struct MEDIA_EXPORT ColorPlaneLayout {
ColorPlaneLayout();
ColorPlaneLayout(int32_t stride, size_t offset, size_t size);
~ColorPlaneLayout();
bool operator==(const ColorPlaneLayout& rhs) const;
bool operator!=(const ColorPlaneLayout& rhs) const;
int32_t stride = 0;
size_t offset = 0;
size_t size = 0;
};
// Outputs ColorPlaneLayout to stream.
MEDIA_EXPORT std::ostream& operator<<(std::ostream& ostream,
const ColorPlaneLayout& plane);
} // namespace media
#endif // MEDIA_BASE_COLOR_PLANE_LAYOUT_H_
|
