| 1 | #ifndef STREAMPLAYER_H |
| 2 | #define STREAMPLAYER_H |
| 3 | |
| 4 | #include<MdaAudioOutputStream.h> |
| 5 | |
| 6 | const TInt KSilenceBuffer = 256; |
| 7 | |
| 8 | class MStreamObs |
| 9 | { |
| 10 | public: |
| 11 | enum |
| 12 | { |
| 13 | EInit, |
| 14 | EPlay, |
| 15 | EWrite, |
| 16 | EClose, |
| 17 | }; |
| 18 | virtual void Complete(TInt aState, TInt aError) = 0; |
| 19 | }; |
| 20 | |
| 21 | class MStreamProvider |
| 22 | { |
| 23 | public: |
| 24 | virtual TPtrC8 Data() = 0; |
| 25 | }; |
| 26 | |
| 27 | NONSHARABLE_CLASS(CStreamPlayer) : public CBase, public MMdaAudioOutputStreamCallback |
| 28 | { |
| 29 | public: |
| 30 | CStreamPlayer(MStreamProvider& aProvider, MStreamObs& aObs); |
| 31 | ~CStreamPlayer(); |
| 32 | void ConstructL(); |
| 33 | |
| 34 | static TInt ClosestSupportedRate(TInt aRate); |
| 35 | |
| 36 | TInt OpenStream(TInt aRate, TInt aChannels, TUint32 aType = KMMFFourCCCodePCM16); |
| 37 | |
| 38 | void SetVolume(TInt aNew); |
| 39 | TInt Volume() const; |
| 40 | TInt MaxVolume() const; |
| 41 | |
| 42 | void Stop(); |
| 43 | void Start(); |
| 44 | void Open(); |
| 45 | void Close(); |
| 46 | |
| 47 | TBool Playing() const; |
| 48 | TBool Closed() const; |
| 49 | |
| 50 | private: |
| 51 | |
| 52 | void MaoscOpenComplete(TInt aError) ; |
| 53 | void MaoscBufferCopied(TInt aError, const TDesC8& aBuffer); |
| 54 | void MaoscPlayComplete(TInt aError); |
| 55 | |
| 56 | private: |
| 57 | void Request(); |
| 58 | void SetCapsL(); |
| 59 | |
| 60 | private: |
| 61 | MStreamProvider& iProvider; |
| 62 | MStreamObs& iObs; |
| 63 | TInt iVolume; |
| 64 | |
| 65 | CMdaAudioOutputStream* iStream; |
| 66 | |
| 67 | TInt iRate; |
| 68 | TInt iChannels; |
| 69 | TUint32 iType; |
| 70 | |
| 71 | enum |
| 72 | { |
| 73 | ENone = 0, |
| 74 | EInited = 0x1, |
| 75 | EStarted = 0x2, |
| 76 | EStopped = 0x4, |
| 77 | EVolumeChange = 0x8, |
| 78 | EDied = 0x10 |
| 79 | }; |
| 80 | |
| 81 | TInt iState; |
| 82 | TBuf8<KSilenceBuffer> iSilence; |
| 83 | TPtrC8 iPtr; |
| 84 | |
| 85 | }; |
| 86 | |
| 87 | |
| 88 | #endif |
| 89 | |