SoftVideoDecoderOMXComponent.h revision 1aa26f787afc525e0deae31d856dce74a4b28a0f 
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    uint32_t outputBufferWidth();
69    uint32_t outputBufferHeight();
70
71    void handlePortSettingsChange(
72            bool *portWillReset, uint32_t width, uint32_t height,
73            bool cropChanged = false, bool fakeStride = false);
74
75    void copyYV12FrameToOutputBuffer(
76            uint8_t *dst, const uint8_t *srcY, const uint8_t *srcU, const uint8_t *srcV,
77            size_t srcYStride, size_t srcUStride, size_t srcVStride);
78
79    enum {
80        kInputPortIndex  = 0,
81        kOutputPortIndex = 1,
82        kMaxPortIndex = 1,
83    };
84
85    bool mIsAdaptive;
86    uint32_t mAdaptiveMaxWidth, mAdaptiveMaxHeight;
87    uint32_t mWidth, mHeight;
88    uint32_t mCropLeft, mCropTop, mCropWidth, mCropHeight;
89
90    enum {
91        NONE,
92        AWAITING_DISABLED,
93        AWAITING_ENABLED
94    } mOutputPortSettingsChange;
95
96private:
97    const char *mComponentRole;
98    OMX_VIDEO_CODINGTYPE mCodingType;
99    const CodecProfileLevel *mProfileLevels;
100    size_t mNumProfileLevels;
101
102    DISALLOW_EVIL_CONSTRUCTORS(SoftVideoDecoderOMXComponent);
103};
104
105}  // namespace android
106
107#endif  // SOFT_VIDEO_DECODER_OMX_COMPONENT_H_
108