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58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#if JUCE_USE_CDREADER
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int AudioCDReader::getNumTracks() const
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{
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return trackStartSamples.size() - 1;
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}
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int AudioCDReader::getPositionOfTrackStart (int trackNum) const
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{
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return trackStartSamples [trackNum];
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}
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const Array<int>& AudioCDReader::getTrackOffsets() const
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{
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return trackStartSamples;
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}
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int AudioCDReader::getCDDBId()
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{
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int checksum = 0;
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const int numTracks = getNumTracks();
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for (int i = 0; i < numTracks; ++i)
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for (int offset = (trackStartSamples.getUnchecked(i) + 88200) / 44100; offset > 0; offset /= 10)
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checksum += offset % 10;
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const int length = (trackStartSamples.getLast() - trackStartSamples.getFirst()) / 44100;
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// CCLLLLTT: checksum, length, tracks
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return ((checksum & 0xff) << 24) | (length << 8) | numTracks;
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}
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#endif
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