roadamp

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Upphovsman	SHA1	Meddelande	Datum
Jan Svabenik	7c017e2766	fix(rating): preserve audio data on Set(); add unit tests The previous implementation used tag.WriteTo() which only emits the ID3 tag (~311 bytes), leaving audio data behind. Files were truncated to just the tag on every rating write. New strategy: 1. Parse the 10-byte ID3v2 header to find the audio start offset. 2. Encode the new tag into an in-memory buffer via WriteTo. 3. Write tag + original audio into a temp file. 4. Try atomic os.Rename (works when Winamp does not hold the file). 5. Fall back to direct O_WRONLY\|O_TRUNC write (works while Winamp plays, because Winamp opens with FILE_SHARE_WRITE on Windows). Tests cover: POPM<->stars mapping, id3v2AudioStart, full round-trip (1-5 stars + unrate) with audio-integrity check, and error cases. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>	1 månad sedan

Upphovsman

SHA1

Meddelande

Datum

Jan Svabenik

7c017e2766

fix(rating): preserve audio data on Set(); add unit tests

The previous implementation used tag.WriteTo() which only emits the ID3
tag (~311 bytes), leaving audio data behind. Files were truncated to just
the tag on every rating write.

New strategy:
1. Parse the 10-byte ID3v2 header to find the audio start offset.
2. Encode the new tag into an in-memory buffer via WriteTo.
3. Write tag + original audio into a temp file.
4. Try atomic os.Rename (works when Winamp does not hold the file).
5. Fall back to direct O_WRONLY|O_TRUNC write (works while Winamp plays,
   because Winamp opens with FILE_SHARE_WRITE on Windows).

Tests cover: POPM<->stars mapping, id3v2AudioStart, full round-trip
(1-5 stars + unrate) with audio-integrity check, and error cases.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 månad sedan

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