Mercurial > hg > svcore
comparison data/fileio/AudioFileReader.h @ 936:0c1d6de8f44b
Merge from branch warnfix_no_size_t
author | Chris Cannam |
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date | Wed, 18 Jun 2014 13:51:16 +0100 |
parents | 59e7fe1b1003 |
children | c9d456b1fcde |
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917:49618f39ff09 | 936:0c1d6de8f44b |
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34 | 34 |
35 bool isOK() const { return (m_channelCount > 0); } | 35 bool isOK() const { return (m_channelCount > 0); } |
36 | 36 |
37 virtual QString getError() const { return ""; } | 37 virtual QString getError() const { return ""; } |
38 | 38 |
39 size_t getFrameCount() const { return m_frameCount; } | 39 int getFrameCount() const { return m_frameCount; } |
40 size_t getChannelCount() const { return m_channelCount; } | 40 int getChannelCount() const { return m_channelCount; } |
41 size_t getSampleRate() const { return m_sampleRate; } | 41 int getSampleRate() const { return m_sampleRate; } |
42 | 42 |
43 virtual size_t getNativeRate() const { return m_sampleRate; } // if resampled | 43 virtual int getNativeRate() const { return m_sampleRate; } // if resampled |
44 | 44 |
45 /** | 45 /** |
46 * Return the location of the audio data in the reader (as passed | 46 * Return the location of the audio data in the reader (as passed |
47 * in to the FileSource constructor, for example). | 47 * in to the FileSource constructor, for example). |
48 */ | 48 */ |
79 * | 79 * |
80 * The subclass implementations of this function must be | 80 * The subclass implementations of this function must be |
81 * thread-safe -- that is, safe to call from multiple threads with | 81 * thread-safe -- that is, safe to call from multiple threads with |
82 * different arguments on the same object at the same time. | 82 * different arguments on the same object at the same time. |
83 */ | 83 */ |
84 virtual void getInterleavedFrames(size_t start, size_t count, | 84 virtual void getInterleavedFrames(int start, int count, |
85 SampleBlock &frames) const = 0; | 85 SampleBlock &frames) const = 0; |
86 | 86 |
87 /** | 87 /** |
88 * Return de-interleaved samples for count frames from index | 88 * Return de-interleaved samples for count frames from index |
89 * start. Implemented in this class (it calls | 89 * start. Implemented in this class (it calls |
90 * getInterleavedFrames and de-interleaves). The resulting vector | 90 * getInterleavedFrames and de-interleaves). The resulting vector |
91 * will contain getChannelCount() sample blocks of count samples | 91 * will contain getChannelCount() sample blocks of count samples |
92 * each (or fewer if end of file is reached). | 92 * each (or fewer if end of file is reached). |
93 */ | 93 */ |
94 virtual void getDeInterleavedFrames(size_t start, size_t count, | 94 virtual void getDeInterleavedFrames(int start, int count, |
95 std::vector<SampleBlock> &frames) const; | 95 std::vector<SampleBlock> &frames) const; |
96 | 96 |
97 // only subclasses that do not know exactly how long the audio | 97 // only subclasses that do not know exactly how long the audio |
98 // file is until it's been completely decoded should implement this | 98 // file is until it's been completely decoded should implement this |
99 virtual int getDecodeCompletion() const { return 100; } // % | 99 virtual int getDecodeCompletion() const { return 100; } // % |
102 | 102 |
103 signals: | 103 signals: |
104 void frameCountChanged(); | 104 void frameCountChanged(); |
105 | 105 |
106 protected: | 106 protected: |
107 size_t m_frameCount; | 107 int m_frameCount; |
108 size_t m_channelCount; | 108 int m_channelCount; |
109 size_t m_sampleRate; | 109 int m_sampleRate; |
110 }; | 110 }; |
111 | 111 |
112 #endif | 112 #endif |