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    status_t convert(
37            const void *srcBits,
38            size_t srcWidth, size_t srcHeight,
39            size_t srcCropLeft, size_t srcCropTop,
40            size_t srcCropRight, size_t srcCropBottom,
41            void *dstBits,
42            size_t dstWidth, size_t dstHeight,
43            size_t dstCropLeft, size_t dstCropTop,
44            size_t dstCropRight, size_t dstCropBottom);
45
46private:
47    struct BitmapParams {
48        BitmapParams(
49                void *bits,
50                size_t width, size_t height,
51                size_t cropLeft, size_t cropTop,
52                size_t cropRight, size_t cropBottom);
53
54        size_t cropWidth() const;
55        size_t cropHeight() const;
56
57        void *mBits;
58        size_t mWidth, mHeight;
59        size_t mCropLeft, mCropTop, mCropRight, mCropBottom;
60    };
61
62    OMX_COLOR_FORMATTYPE mSrcFormat, mDstFormat;
63    uint8_t *mClip;
64
65    uint8_t *initClip();
66
67    status_t convertCbYCrY(
68            const BitmapParams &src, const BitmapParams &dst);
69
70    status_t convertYUV420Planar(
71            const BitmapParams &src, const BitmapParams &dst);
72
73    status_t convertYUV420PlanarUseLibYUV(
74            const BitmapParams &src, const BitmapParams &dst);
75
76    status_t convertQCOMYUV420SemiPlanar(
77            const BitmapParams &src, const BitmapParams &dst);
78
79    status_t convertYUV420SemiPlanar(
80            const BitmapParams &src, const BitmapParams &dst);
81
82    status_t convertTIYUV420PackedSemiPlanar(
83            const BitmapParams &src, const BitmapParams &dst);
84
85    ColorConverter(const ColorConverter &);
86    ColorConverter &operator=(const ColorConverter &);
87};
88
89}  // namespace android
90
91#endif  // COLOR_CONVERTER_H_
92