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Some encoders write a valid data chunk but with a slightly too-large declared chunkSize, or place the data chunk beyond the declared RIFF boundary. The previous behaviour called break, abandoning all remaining chunks and making the file appear empty to taglib. Lenient parsers (ffmpeg, QuickTime) handle this case by clamping the chunk size to the bytes that actually remain in the file. Adopt the same strategy: when chunkSize would exceed the file length, clamp it and continue parsing rather than stopping early.
TagLib
TagLib Audio Metadata Library
TagLib is a library for reading and editing the metadata of several popular audio formats. Currently, it supports various metadata containers such as ID3v1, ID3v2 and Vorbis comments for MP3, MP4, AAC, Ogg, Opus, FLAC, Speex, APE, MPC, WavPack, WAV, AIFF, TrueAudio, Matroska, WebM, ASF, WMA, DSF, DFF and tracker (MOD, XM, S3M, IT) files.
TagLib is distributed under the GNU Lesser General Public License (LGPL) and Mozilla Public License (MPL). Essentially that means that it may be used in proprietary applications, but if changes are made to TagLib they must be contributed back to the project. Please review the licenses if you are considering using TagLib in your project.