Mercurial > hg > svcore
comparison data/fileio/MP3FileReader.cpp @ 264:260032c26c4f
* don't store fft values scaled by fftsize/2; that's a special requirement
for the spectrogram, and other applications will not expect it -- make the
spectrogram do that scaling itself
* add a higher-resolution memory cache (still polar, though) as an alternative
to the 16-bit compact cache
* don't use the memory cache if we want rectangular coords (unless the disc
cache is totally infeasible) as conversion slows it down anyway
* avoid redundant rectangular -> polar -> rectangular conversion when storing
values in a rectangular-mode disc cache
author | Chris Cannam |
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date | Fri, 01 Jun 2007 13:56:35 +0000 |
parents | 71dfc6ab3b54 |
children | e08f486e8d8c |
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263:71dfc6ab3b54 | 264:260032c26c4f |
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29 #include <QFileInfo> | 29 #include <QFileInfo> |
30 #include <QProgressDialog> | 30 #include <QProgressDialog> |
31 | 31 |
32 MP3FileReader::MP3FileReader(QString path, DecodeMode decodeMode, CacheMode mode) : | 32 MP3FileReader::MP3FileReader(QString path, DecodeMode decodeMode, CacheMode mode) : |
33 CodedAudioFileReader(mode), | 33 CodedAudioFileReader(mode), |
34 m_path(path) | 34 m_path(path), |
35 m_decodeThread(0) | |
35 { | 36 { |
36 m_frameCount = 0; | 37 m_frameCount = 0; |
37 m_channelCount = 0; | 38 m_channelCount = 0; |
38 m_sampleRate = 0; | 39 m_sampleRate = 0; |
39 m_fileSize = 0; | 40 m_fileSize = 0; |