SoftMPEG4Encoder.h revision bf5bea96f236adb5eef78c2f414ef82b3602a0f7
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_MPEG4_ENCODER_H_
18#define SOFT_MPEG4_ENCODER_H_
19
20#include <media/stagefright/MediaBuffer.h>
21#include <media/stagefright/foundation/ABase.h>
22#include "SimpleSoftOMXComponent.h"
23#include "mp4enc_api.h"
24
25
26namespace android {
27
28struct MediaBuffer;
29
30struct SoftMPEG4Encoder : public SimpleSoftOMXComponent {
31    SoftMPEG4Encoder(
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    // Override SoftOMXComponent methods
47
48    virtual OMX_ERRORTYPE getExtensionIndex(
49            const char *name, OMX_INDEXTYPE *index);
50
51protected:
52    virtual ~SoftMPEG4Encoder();
53
54private:
55    enum {
56        kNumBuffers = 2,
57    };
58
59    enum {
60        kStoreMetaDataExtensionIndex = OMX_IndexVendorStartUnused + 1
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    MP4EncodingMode mEncodeMode;
70    int32_t  mVideoWidth;
71    int32_t  mVideoHeight;
72    int32_t  mVideoFrameRate;
73    int32_t  mVideoBitRate;
74    int32_t  mVideoColorFormat;
75    bool     mStoreMetaDataInBuffers;
76    int32_t  mIDRFrameRefreshIntervalInSec;
77
78    int64_t  mNumInputFrames;
79    bool     mStarted;
80    bool     mSawInputEOS;
81    bool     mSignalledError;
82
83    tagvideoEncControls   *mHandle;
84    tagvideoEncOptions    *mEncParams;
85    uint8_t               *mInputFrameData;
86    Vector<InputBufferInfo> mInputBufferInfoVec;
87
88    void initPorts();
89    OMX_ERRORTYPE initEncParams();
90    OMX_ERRORTYPE initEncoder();
91    OMX_ERRORTYPE releaseEncoder();
92
93    uint8_t* extractGrallocData(void *data, buffer_handle_t *buffer);
94    void releaseGrallocData(buffer_handle_t buffer);
95
96    DISALLOW_EVIL_CONSTRUCTORS(SoftMPEG4Encoder);
97};
98
99}  // namespace android
100
101#endif  // SOFT_MPEG4_ENCODER_H_
102