SoftAVCEncoder.h revision df79944ab36e13ceec74fc7c560145860769f6a7 
1/*
2 * Copyright (C) 2012 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_AVC_ENCODER_H_
18#define SOFT_AVC_ENCODER_H_
19
20#include <media/stagefright/MediaBuffer.h>
21#include <media/stagefright/foundation/ABase.h>
22#include <utils/Vector.h>
23
24#include "avcenc_api.h"
25#include "SoftVideoEncoderOMXComponent.h"
26
27namespace android {
28
29struct SoftAVCEncoder : public MediaBufferObserver,
30                        public SoftVideoEncoderOMXComponent {
31    SoftAVCEncoder(
32            const char *name,
33            const OMX_CALLBACKTYPE *callbacks,
34            OMX_PTR appData,
35            OMX_COMPONENTTYPE **component);
36
37    // Override SimpleSoftOMXComponent methods
38    virtual OMX_ERRORTYPE internalGetParameter(
39            OMX_INDEXTYPE index, OMX_PTR params);
40
41    virtual OMX_ERRORTYPE internalSetParameter(
42            OMX_INDEXTYPE index, const OMX_PTR params);
43
44    virtual void onQueueFilled(OMX_U32 portIndex);
45
46    // Implement MediaBufferObserver
47    virtual void signalBufferReturned(MediaBuffer *buffer);
48
49
50    // Callbacks required by PV's encoder
51    int32_t allocOutputBuffers(unsigned int sizeInMbs, unsigned int numBuffers);
52    void    unbindOutputBuffer(int32_t index);
53    int32_t bindOutputBuffer(int32_t index, uint8_t **yuv);
54
55protected:
56    virtual ~SoftAVCEncoder();
57
58private:
59    enum {
60        kNumBuffers = 2,
61    };
62
63    // OMX input buffer's timestamp and flags
64    typedef struct {
65        int64_t mTimeUs;
66        int32_t mFlags;
67    } InputBufferInfo;
68
69    int32_t  mVideoWidth;
70    int32_t  mVideoHeight;
71    int32_t  mVideoFrameRate;
72    int32_t  mVideoBitRate;
73    int32_t  mVideoColorFormat;
74    bool     mStoreMetaDataInBuffers;
75    int32_t  mIDRFrameRefreshIntervalInSec;
76    AVCProfile mAVCEncProfile;
77    AVCLevel   mAVCEncLevel;
78
79    int64_t  mNumInputFrames;
80    int64_t  mPrevTimestampUs;
81    bool     mStarted;
82    bool     mSpsPpsHeaderReceived;
83    bool     mReadyForNextFrame;
84    bool     mSawInputEOS;
85    bool     mSignalledError;
86    bool     mIsIDRFrame;
87
88    tagAVCHandle          *mHandle;
89    tagAVCEncParam        *mEncParams;
90    uint8_t               *mInputFrameData;
91    uint32_t              *mSliceGroup;
92    Vector<MediaBuffer *> mOutputBuffers;
93    Vector<InputBufferInfo> mInputBufferInfoVec;
94
95    void initPorts();
96    OMX_ERRORTYPE initEncParams();
97    OMX_ERRORTYPE initEncoder();
98    OMX_ERRORTYPE releaseEncoder();
99    void releaseOutputBuffers();
100
101    DISALLOW_EVIL_CONSTRUCTORS(SoftAVCEncoder);
102};
103
104}  // namespace android
105
106#endif  // SOFT_AVC_ENCODER_H_
107