VideoEditorAudioPlayer.h revision c9dedc4e1d0c8343ab1029cb601253826cd67c81 
1/*
2 * Copyright (C) 2011 NXP Software
3 * Copyright (C) 2011 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#ifndef VE_AUDIO_PLAYER_H_
19
20#define VE_AUDIO_PLAYER_H_
21
22#include <media/MediaPlayerInterface.h>
23#include <media/stagefright/MediaBuffer.h>
24#include <media/stagefright/TimeSource.h>
25#include <utils/threads.h>
26#include "M4xVSS_API.h"
27#include "VideoEditorMain.h"
28#include "M4OSA_FileReader.h"
29#include "VideoEditorBGAudioProcessing.h"
30#include "AudioPlayerBase.h"
31#include "PreviewPlayerBase.h"
32
33namespace android {
34
35class MediaSource;
36class AudioTrack;
37class PreviewPlayer;
38
39
40class VideoEditorAudioPlayer : public AudioPlayerBase {
41public:
42    enum {
43        REACHED_EOS,
44        SEEK_COMPLETE
45    };
46
47    VideoEditorAudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink,
48        PreviewPlayerBase *audioObserver = NULL);
49
50    virtual ~VideoEditorAudioPlayer();
51
52    status_t start(bool sourceAlreadyStarted = false);
53    void resume();
54
55    void setAudioMixSettings(M4xVSS_AudioMixingSettings* pAudioMixSettings);
56    void setAudioMixPCMFileHandle(M4OSA_Context pBGAudioPCMFileHandle);
57    void setAudioMixStoryBoardSkimTimeStamp(
58        M4OSA_UInt32 pBGAudioStoryBoardSkimTimeStamp,
59        M4OSA_UInt32 pBGAudioCurrentMediaBeginCutTS,
60        M4OSA_UInt32 pBGAudioCurrentMediaVolumeVal);
61
62    void setObserver(PreviewPlayerBase *observer);
63    void setSource(const sp<MediaSource> &source);
64    sp<MediaSource> getSource();
65
66    bool isStarted();
67private:
68
69    M4xVSS_AudioMixingSettings *mAudioMixSettings;
70    VideoEditorBGAudioProcessing *mAudioProcess;
71
72    M4OSA_Context mBGAudioPCMFileHandle;
73    int64_t mBGAudioPCMFileLength;
74    int64_t mBGAudioPCMFileTrimmedLength;
75    int64_t mBGAudioPCMFileDuration;
76    int64_t mBGAudioPCMFileSeekPoint;
77    int64_t mBGAudioPCMFileOriginalSeekPoint;
78    int64_t mBGAudioStoryBoardSkimTimeStamp;
79    int64_t mBGAudioStoryBoardCurrentMediaBeginCutTS;
80    int64_t mBGAudioStoryBoardCurrentMediaVolumeVal;
81
82    size_t fillBuffer(void *data, size_t size);
83
84    void reset();
85    void setPrimaryTrackVolume(M4OSA_Int16 *data, M4OSA_UInt32 size, M4OSA_Float volLevel);
86
87    static size_t AudioSinkCallback(
88            MediaPlayerBase::AudioSink *audioSink,
89            void *data, size_t size, void *me);
90
91    VideoEditorAudioPlayer(const VideoEditorAudioPlayer &);
92    VideoEditorAudioPlayer &operator=(const VideoEditorAudioPlayer &);
93};
94
95}  // namespace android
96
97#endif  // VE_AUDIO_PLAYER_H_
98