VideoEditorAudioPlayer.h revision 1c97d9ab52a288d24ea54499de435277cc1a3d68 
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 <media/stagefright/AudioPlayer.h>
31
32namespace android {
33
34class MediaSource;
35class AudioTrack;
36class PreviewPlayer;
37
38
39class VideoEditorAudioPlayer : public AudioPlayer {
40public:
41    enum {
42        REACHED_EOS,
43        SEEK_COMPLETE
44    };
45
46    VideoEditorAudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink,
47        AwesomePlayer *audioObserver = NULL);
48
49    virtual ~VideoEditorAudioPlayer();
50
51    status_t start(bool sourceAlreadyStarted = false);
52    void resume();
53
54    void setAudioMixSettings(M4xVSS_AudioMixingSettings* pAudioMixSettings);
55    void setAudioMixPCMFileHandle(M4OSA_Context pBGAudioPCMFileHandle);
56    void setAudioMixStoryBoardSkimTimeStamp(
57        M4OSA_UInt32 pBGAudioStoryBoardSkimTimeStamp,
58        M4OSA_UInt32 pBGAudioCurrentMediaBeginCutTS,
59        M4OSA_UInt32 pBGAudioCurrentMediaVolumeVal);
60
61    void setObserver(AwesomePlayer *observer);
62    void setSource(const sp<MediaSource> &source);
63    sp<MediaSource> getSource();
64
65    bool isStarted();
66private:
67
68    M4xVSS_AudioMixingSettings *mAudioMixSettings;
69    VideoEditorBGAudioProcessing *mAudioProcess;
70
71    M4OSA_Context mBGAudioPCMFileHandle;
72    int64_t mBGAudioPCMFileLength;
73    int64_t mBGAudioPCMFileTrimmedLength;
74    int64_t mBGAudioPCMFileDuration;
75    int64_t mBGAudioPCMFileSeekPoint;
76    int64_t mBGAudioPCMFileOriginalSeekPoint;
77    int64_t mBGAudioStoryBoardSkimTimeStamp;
78    int64_t mBGAudioStoryBoardCurrentMediaBeginCutTS;
79    int64_t mBGAudioStoryBoardCurrentMediaVolumeVal;
80
81    size_t fillBuffer(void *data, size_t size);
82
83    void reset();
84    void setPrimaryTrackVolume(M4OSA_Int16 *data, M4OSA_UInt32 size, M4OSA_Float volLevel);
85
86    static size_t AudioSinkCallback(
87            MediaPlayerBase::AudioSink *audioSink,
88            void *data, size_t size, void *me);
89
90    VideoEditorAudioPlayer(const VideoEditorAudioPlayer &);
91    VideoEditorAudioPlayer &operator=(const VideoEditorAudioPlayer &);
92};
93
94}  // namespace android
95
96#endif  // VE_AUDIO_PLAYER_H_
97