Add WavWriter for streaming audio to WAV files#5
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- Refactored `saveWav` to reuse extracted `writeWavHeader` function. - Added `lib/io.dart` with `WavWriter` utilizing `RandomAccessFile` to stream audio chunks and rewrite the header on close. - Preserves web compatibility by not importing `dart:io` in the core library. - Added corresponding tests in `test/wav_writer_test.dart` to verify behaviour and match output byte-for-byte with `saveWav`. Co-authored-by: gnudles <12647462+gnudles@users.noreply.github.com>
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This PR introduces an interface to stream audio samples to a WAV file on disk without storing the entire audio in memory.
Changes
lib/src/wav_io.dartinto a reusablewriteWavHeadermethod.WavWriterinlib/io.dartwhich usesdart:io'sRandomAccessFileto progressively write chunks to disk and seek back to update the header length whenclose()is called.WavWriterthoroughly to ensure its output perfectly matches the original in-memorysaveWavmethod.dart:ioimports to ensure no breaking changes for web users.PR created automatically by Jules for task 2590983243015515335 started by @gnudles