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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25216 b3059339-0415-0410-9bf9-f77b7e298cf2
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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25104 b3059339-0415-0410-9bf9-f77b7e298cf2
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Changing the way the loop is done is necessary to reduce register pressure.
About 20% speedup even on 32 bit x86.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25103 b3059339-0415-0410-9bf9-f77b7e298cf2
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not any faster.
Just removing the += s->samples_overlap - s->num_channels; still provides a
ca. 20% speedup on x86 (AThlon X2 64) with gcc 3.4 (compiler stupidity?)
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25102 b3059339-0415-0410-9bf9-f77b7e298cf2
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About 12% faster on x86_64
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25101 b3059339-0415-0410-9bf9-f77b7e298cf2
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Speedup on x86 with gcc 3.4 36%, on x86_64 with gcc 4.1 5%
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25100 b3059339-0415-0410-9bf9-f77b7e298cf2
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that would not be detected.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25098 b3059339-0415-0410-9bf9-f77b7e298cf2
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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25097 b3059339-0415-0410-9bf9-f77b7e298cf2
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Substract the delay caused by filter buffering when calculating
currently playing audio position. This matters for af_scaletempo which
buffers significant and varying amounts of data. For other current
filters the effect is normally insignificant.
Instead of the old time-based filter delay field (which was ignored)
this version stores the per-filter delay in units of bytes input read
without corresponding output. This allows the current scaletempo
behavior where other filters before and after it can see the same
nominal samplerate even though the real duration of the data varies;
in this case the other filters can not know the delay they're causing
in terms of real time.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24928 b3059339-0415-0410-9bf9-f77b7e298cf2
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Make internal functions static and remove leading '_' from some
function names. Cast pointers to compatible 8-bit pointer types
instead of ints when calculating their difference.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24927 b3059339-0415-0410-9bf9-f77b7e298cf2
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The value of the "speed" suboption was not initialized before calling
subopt_parse(). If the command line had suboptions but "speed" was not
one of them then the code accessed an uninitialized pointer and
possibly crashed. Fixed by initializing the option value.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24926 b3059339-0415-0410-9bf9-f77b7e298cf2
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Because of a missing *num_channels factor the filter copied audio from
an incorrect position. This mixed up the channel order and hurt audio
quality even if the channels had identical content.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24925 b3059339-0415-0410-9bf9-f77b7e298cf2
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Patch by Robert Juliano, juliano.1 osu edu
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24924 b3059339-0415-0410-9bf9-f77b7e298cf2
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