Mercurial > hg > svcore
comparison data/fileio/AudioFileReader.h @ 285:20028c634494
* change some QStrings to std::strings etc
author | Chris Cannam |
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date | Thu, 09 Aug 2007 16:29:29 +0000 |
parents | 822bd7fd526c |
children | 92e8dbde73cd |
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284:41d64b873d87 | 285:20028c634494 |
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14 */ | 14 */ |
15 | 15 |
16 #ifndef _AUDIO_FILE_READER_H_ | 16 #ifndef _AUDIO_FILE_READER_H_ |
17 #define _AUDIO_FILE_READER_H_ | 17 #define _AUDIO_FILE_READER_H_ |
18 | 18 |
19 #include <QString> | 19 #include <QObject> |
20 #include "model/Model.h" // for SampleBlock | 20 |
21 #include <string> | |
22 #include <vector> | |
21 | 23 |
22 class AudioFileReader : public QObject | 24 class AudioFileReader : public QObject |
23 { | 25 { |
24 Q_OBJECT | 26 Q_OBJECT |
25 | 27 |
26 public: | 28 public: |
27 virtual ~AudioFileReader() { } | 29 virtual ~AudioFileReader() { } |
28 | 30 |
31 typedef std::vector<float> SampleBlock; | |
32 | |
29 bool isOK() const { return (m_channelCount > 0); } | 33 bool isOK() const { return (m_channelCount > 0); } |
30 | 34 |
31 virtual QString getError() const { return ""; } | 35 virtual std::string getError() const { return m_error; } |
32 | 36 |
33 size_t getFrameCount() const { return m_frameCount; } | 37 size_t getFrameCount() const { return m_frameCount; } |
34 size_t getChannelCount() const { return m_channelCount; } | 38 size_t getChannelCount() const { return m_channelCount; } |
35 size_t getSampleRate() const { return m_sampleRate; } | 39 size_t getSampleRate() const { return m_sampleRate; } |
36 | 40 |
37 /** | 41 /** |
38 * Return the title of the work in the audio file, if known. This | 42 * Return the title of the work in the audio file, if known. This |
39 * may be implemented by subclasses that support file tagging. | 43 * may be implemented by subclasses that support file tagging. |
40 * This is not the same thing as the file name. | 44 * This is not the same thing as the file name. |
41 */ | 45 */ |
42 virtual QString getTitle() const { return ""; } | 46 virtual std::string getTitle() const { return ""; } |
43 | 47 |
44 /** | 48 /** |
45 * The subclass implementations of this function must be | 49 * The subclass implementations of this function must be |
46 * thread-safe -- that is, safe to call from multiple threads with | 50 * thread-safe -- that is, safe to call from multiple threads with |
47 * different arguments on the same object at the same time. | 51 * different arguments on the same object at the same time. |
60 | 64 |
61 protected: | 65 protected: |
62 size_t m_frameCount; | 66 size_t m_frameCount; |
63 size_t m_channelCount; | 67 size_t m_channelCount; |
64 size_t m_sampleRate; | 68 size_t m_sampleRate; |
69 | |
70 std::string m_error; | |
71 void setError(std::string text, std::string arg = ""); | |
72 void setError(std::string text, int arg); | |
65 }; | 73 }; |
66 | 74 |
67 #endif | 75 #endif |