SoftVideoDecoderOMXComponent.h revision bf220f3e6e799f28d1599c3c5106e9e15631a91d 
1/*
2 * Copyright (C) 2013 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 SOFT_VIDEO_DECODER_OMX_COMPONENT_H_
18
19#define SOFT_VIDEO_DECODER_OMX_COMPONENT_H_
20
21#include "SimpleSoftOMXComponent.h"
22
23#include <media/stagefright/foundation/AHandlerReflector.h>
24#include <media/IOMX.h>
25
26#include <utils/RefBase.h>
27#include <utils/threads.h>
28#include <utils/Vector.h>
29
30namespace android {
31
32struct SoftVideoDecoderOMXComponent : public SimpleSoftOMXComponent {
33    SoftVideoDecoderOMXComponent(
34            const char *name,
35            const char *componentRole,
36            OMX_VIDEO_CODINGTYPE codingType,
37            const CodecProfileLevel *profileLevels,
38            size_t numProfileLevels,
39            int32_t width,
40            int32_t height,
41            const OMX_CALLBACKTYPE *callbacks,
42            OMX_PTR appData,
43            OMX_COMPONENTTYPE **component);
44
45protected:
46    virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
47    virtual void onReset();
48
49    virtual OMX_ERRORTYPE internalGetParameter(
50            OMX_INDEXTYPE index, OMX_PTR params);
51
52    virtual OMX_ERRORTYPE internalSetParameter(
53            OMX_INDEXTYPE index, const OMX_PTR params);
54
55    virtual OMX_ERRORTYPE getConfig(
56            OMX_INDEXTYPE index, OMX_PTR params);
57
58    virtual OMX_ERRORTYPE getExtensionIndex(
59            const char *name, OMX_INDEXTYPE *index);
60
61    void initPorts(OMX_U32 numInputBuffers,
62            OMX_U32 inputBufferSize,
63            OMX_U32 numOutputBuffers,
64            const char *mimeType);
65
66    virtual void updatePortDefinitions(bool updateCrop = true);
67
68    void handlePortSettingsChange(
69            bool *portWillReset, uint32_t width, uint32_t height, bool cropChanged = false);
70
71    void copyYV12FrameToOutputBuffer(
72            uint8_t *dst, const uint8_t *srcY, const uint8_t *srcU, const uint8_t *srcV,
73            size_t srcYStride, size_t srcUStride, size_t srcVStride);
74
75    enum {
76        kInputPortIndex  = 0,
77        kOutputPortIndex = 1,
78        kMaxPortIndex = 1,
79    };
80
81    bool mIsAdaptive;
82    uint32_t mAdaptiveMaxWidth, mAdaptiveMaxHeight;
83    uint32_t mWidth, mHeight;
84    uint32_t mCropLeft, mCropTop, mCropWidth, mCropHeight;
85
86    enum {
87        NONE,
88        AWAITING_DISABLED,
89        AWAITING_ENABLED
90    } mOutputPortSettingsChange;
91
92private:
93    const char *mComponentRole;
94    OMX_VIDEO_CODINGTYPE mCodingType;
95    const CodecProfileLevel *mProfileLevels;
96    size_t mNumProfileLevels;
97
98    DISALLOW_EVIL_CONSTRUCTORS(SoftVideoDecoderOMXComponent);
99};
100
101}  // namespace android
102
103#endif  // SOFT_VIDEO_DECODER_OMX_COMPONENT_H_
104