annotate src/audio/symbian/streamplayer.h @ 4159:a1b03ba2fcd0 SDL-1.2

Updated copyright date
author Sam Lantinga <slouken@libsdl.org>
date Mon, 08 Dec 2008 00:25:42 +0000
parents e85e65aec22f
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rev   line source
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1 #ifndef STREAMPLAYER_H
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2 #define STREAMPLAYER_H
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3
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4 #include<MdaAudioOutputStream.h>
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5
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6 const TInt KSilenceBuffer = 256;
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7
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8 class MStreamObs
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9 {
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10 public:
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11 enum
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12 {
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13 EInit,
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14 EPlay,
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15 EWrite,
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16 EClose,
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17 };
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18 virtual void Complete(TInt aState, TInt aError) = 0;
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19 };
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20
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21 class MStreamProvider
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22 {
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23 public:
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24 virtual TPtrC8 Data() = 0;
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25 };
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26
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27 NONSHARABLE_CLASS(CStreamPlayer) : public CBase, public MMdaAudioOutputStreamCallback
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28 {
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29 public:
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30 CStreamPlayer(MStreamProvider& aProvider, MStreamObs& aObs);
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31 ~CStreamPlayer();
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32 void ConstructL();
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33
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34 static TInt ClosestSupportedRate(TInt aRate);
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35
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36 TInt OpenStream(TInt aRate, TInt aChannels, TUint32 aType = KMMFFourCCCodePCM16);
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37
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38 void SetVolume(TInt aNew);
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39 TInt Volume() const;
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40 TInt MaxVolume() const;
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41
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42 void Stop();
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43 void Start();
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44 void Open();
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45 void Close();
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46
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47 TBool Playing() const;
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48 TBool Closed() const;
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49
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50 private:
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51
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52 void MaoscOpenComplete(TInt aError) ;
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53 void MaoscBufferCopied(TInt aError, const TDesC8& aBuffer);
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54 void MaoscPlayComplete(TInt aError);
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55
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56 private:
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57 void Request();
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58 void SetCapsL();
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59
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60 private:
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61 MStreamProvider& iProvider;
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62 MStreamObs& iObs;
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63 TInt iVolume;
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64
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65 CMdaAudioOutputStream* iStream;
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66
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67 TInt iRate;
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68 TInt iChannels;
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69 TUint32 iType;
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70
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71 enum
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72 {
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73 ENone = 0,
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74 EInited = 0x1,
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75 EStarted = 0x2,
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76 EStopped = 0x4,
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77 EVolumeChange = 0x8,
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78 EDied = 0x10
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79 };
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80
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81 TInt iState;
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82 TBuf8<KSilenceBuffer> iSilence;
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83 TPtrC8 iPtr;
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84
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85 };
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86
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87
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88 #endif
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89