Decoding flac files is also prone to producing fragmented files. NTFS
has the ability to completely avoid fragmentation if it is told the file
size before hand, but that would require using special Windows-only
functions. Increasing the write buffer from the default 512 bytes to 10
MB already reduces the problem tremendously.
diff --git a/src/flac/decode.c b/src/flac/decode.c
index 5e5e17a..9e9405c 100644
--- a/src/flac/decode.c
+++ b/src/flac/decode.c
@@ -251,6 +251,7 @@ FLAC__bool DecoderSession_construct(DecoderSession *d,
FLAC__bool is_ogg, FLAC__
DecoderSession_destroy(d,
/*error_occurred=*/true);
return false;
}
+ setvbuf(d->fout, NULL, _IOFBF, 10*1024*1024); /* 10MB
output buffer to help reduce disk fragmentation */
}
}
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