65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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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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} // namespace juce
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