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WaveAudioFormatReader: Avoid potential FPE

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reuk 2025-04-23 14:30:55 +01:00
parent e574542db0
commit f9620d668d
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1 changed files with 7 additions and 5 deletions
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12
modules/juce_audio_formats/codecs/juce_WavAudioFormat.cpp
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@ -1277,16 +1277,18 @@ public:
// read the format chunk
auto format = (unsigned short) input->readShort();
numChannels = (unsigned int) input->readShort();
sampleRate = input->readInt();
auto bytesPerSec = input->readInt();
const auto intSampleRate = (uint32_t) input->readInt();
sampleRate = intSampleRate;
auto bytesPerSec = (uint32_t) input->readInt();
input->skipNextBytes (2);
bitsPerSample = (unsigned int) (int) input->readShort();
if (bitsPerSample > 64 && (int) sampleRate != 0)
if (bitsPerSample > 64 && intSampleRate > 0)
{
bytesPerFrame = bytesPerSec / (int) sampleRate;
bytesPerFrame = (int) (bytesPerSec / intSampleRate);
jassert (bytesPerFrame >= 0);
if (numChannels != 0)
if (numChannels > 0)
bitsPerSample = 8 * (unsigned int) bytesPerFrame / numChannels;
}
else