ColorConverter.h revision 2a4a7d5af053a17586a262a1267ba993e31790f1 
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 <OMX_Video.h>
24
25namespace android {
26
27struct ColorConverter {
28    ColorConverter(OMX_COLOR_FORMATTYPE from, OMX_COLOR_FORMATTYPE to);
29    ~ColorConverter();
30
31    bool isValid() const;
32
33    void convert(
34            size_t width, size_t height,
35            const void *srcBits, size_t srcSkip,
36            void *dstBits, size_t dstSkip);
37
38private:
39    OMX_COLOR_FORMATTYPE mSrcFormat, mDstFormat;
40    uint8_t *mClip;
41
42    uint8_t *initClip();
43
44    void convertCbYCrY(
45            size_t width, size_t height,
46            const void *srcBits, size_t srcSkip,
47            void *dstBits, size_t dstSkip);
48
49    void convertYUV420Planar(
50            size_t width, size_t height,
51            const void *srcBits, size_t srcSkip,
52            void *dstBits, size_t dstSkip);
53
54    void convertQCOMYUV420SemiPlanar(
55            size_t width, size_t height,
56            const void *srcBits, size_t srcSkip,
57            void *dstBits, size_t dstSkip);
58
59    ColorConverter(const ColorConverter &);
60    ColorConverter &operator=(const ColorConverter &);
61};
62
63}  // namespace android
64
65#endif  // COLOR_CONVERTER_H_
66