1/*
2 * Copyright (C) 2010 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 M4V_H263_ENCODER_H_
18
19#define M4V_H263_ENCODER_H_
20
21#include <media/stagefright/MediaBuffer.h>
22#include <media/stagefright/MediaSource.h>
23
24struct tagvideoEncControls;
25struct tagvideoEncOptions;
26
27namespace android {
28
29struct MediaBuffer;
30struct MediaBufferGroup;
31
32struct M4vH263Encoder : public MediaSource,
33                    public MediaBufferObserver {
34    M4vH263Encoder(const sp<MediaSource> &source,
35            const sp<MetaData>& meta);
36
37    virtual status_t start(MetaData *params);
38    virtual status_t stop();
39
40    virtual sp<MetaData> getFormat();
41
42    virtual status_t read(
43            MediaBuffer **buffer, const ReadOptions *options);
44
45    virtual void signalBufferReturned(MediaBuffer *buffer);
46
47protected:
48    virtual ~M4vH263Encoder();
49
50private:
51    sp<MediaSource> mSource;
52    sp<MetaData>    mFormat;
53    sp<MetaData>    mMeta;
54
55    int32_t  mVideoWidth;
56    int32_t  mVideoHeight;
57    int32_t  mVideoFrameRate;
58    int32_t  mVideoBitRate;
59    int32_t  mVideoColorFormat;
60    int64_t  mNumInputFrames;
61    int64_t  mNextModTimeUs;
62    int64_t  mPrevTimestampUs;
63    status_t mInitCheck;
64    bool     mStarted;
65
66    tagvideoEncControls   *mHandle;
67    tagvideoEncOptions    *mEncParams;
68    MediaBuffer           *mInputBuffer;
69    uint8_t               *mInputFrameData;
70    MediaBufferGroup      *mGroup;
71
72    status_t initCheck(const sp<MetaData>& meta);
73    void releaseOutputBuffers();
74
75    M4vH263Encoder(const M4vH263Encoder &);
76    M4vH263Encoder &operator=(const M4vH263Encoder &);
77};
78
79}  // namespace android
80
81#endif  // M4V_H263_ENCODER_H_
82