1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef COLOR_CONVERTER_H_
18
19#define COLOR_CONVERTER_H_
20
21#include <sys/types.h>
22
23#include <stdint.h>
24#include <utils/Errors.h>
25
26#include <OMX_Video.h>
27
28namespace android {
29
30struct ColorConverter {
31    ColorConverter(OMX_COLOR_FORMATTYPE from, OMX_COLOR_FORMATTYPE to);
32    ~ColorConverter();
33
34    bool isValid() const;
35
36    bool isDstRGB() const;
37
38    status_t convert(
39            const void *srcBits,
40            size_t srcWidth, size_t srcHeight,
41            size_t srcCropLeft, size_t srcCropTop,
42            size_t srcCropRight, size_t srcCropBottom,
43            void *dstBits,
44            size_t dstWidth, size_t dstHeight,
45            size_t dstCropLeft, size_t dstCropTop,
46            size_t dstCropRight, size_t dstCropBottom);
47
48private:
49    struct BitmapParams {
50        BitmapParams(
51                void *bits,
52                size_t width, size_t height,
53                size_t cropLeft, size_t cropTop,
54                size_t cropRight, size_t cropBottom,
55                OMX_COLOR_FORMATTYPE colorFromat);
56
57        size_t cropWidth() const;
58        size_t cropHeight() const;
59
60        void *mBits;
61        OMX_COLOR_FORMATTYPE mColorFormat;
62        size_t mWidth, mHeight;
63        size_t mCropLeft, mCropTop, mCropRight, mCropBottom;
64        size_t mBpp, mStride;
65    };
66
67    OMX_COLOR_FORMATTYPE mSrcFormat, mDstFormat;
68    uint8_t *mClip;
69
70    uint8_t *initClip();
71
72    status_t convertCbYCrY(
73            const BitmapParams &src, const BitmapParams &dst);
74
75    status_t convertYUV420Planar(
76            const BitmapParams &src, const BitmapParams &dst);
77
78    status_t convertYUV420PlanarUseLibYUV(
79            const BitmapParams &src, const BitmapParams &dst);
80
81    status_t convertYUV420Planar16(
82            const BitmapParams &src, const BitmapParams &dst);
83
84    status_t convertYUV420Planar16ToY410(
85            const BitmapParams &src, const BitmapParams &dst);
86
87    status_t convertYUV420Planar16ToRGB(
88            const BitmapParams &src, const BitmapParams &dst);
89
90    status_t convertQCOMYUV420SemiPlanar(
91            const BitmapParams &src, const BitmapParams &dst);
92
93    status_t convertYUV420SemiPlanar(
94            const BitmapParams &src, const BitmapParams &dst);
95
96    status_t convertTIYUV420PackedSemiPlanar(
97            const BitmapParams &src, const BitmapParams &dst);
98
99    ColorConverter(const ColorConverter &);
100    ColorConverter &operator=(const ColorConverter &);
101};
102
103}  // namespace android
104
105#endif  // COLOR_CONVERTER_H_
106