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Improve read/seek performance for blocked layouts

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bnnm 2018-08-15 20:21:55 +02:00
parent 9e06652264
commit 9c8323122c
1 changed files with 7 additions and 0 deletions
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7
src/vgmstream.c
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@ -2677,6 +2677,13 @@ int vgmstream_open_stream(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t s
use_streamfile_per_channel = 1;
}
/* if blocked layout (implicit) use multiple streamfiles; using only one leads to
* lots of buffer-trashing, with all the jumping around in the block layout */
if (vgmstream->layout_type != layout_none && vgmstream->layout_type != layout_interleave) {
use_streamfile_per_channel = 1;
}
/* for mono or codecs like IMA (XBOX, MS IMA, MS ADPCM) where channels work with the same bytes */
if (vgmstream->layout_type == layout_none) {
use_same_offset_per_channel = 1;