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avutil/x86/emms: Document the emms_c() vs alloc/free relation.

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Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2016-10-23 04:46:57 +02:00
parent 2506a7cc09
commit 051517648b
1 changed files with 2 additions and 0 deletions
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libavutil/x86/emms.h
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@ -31,6 +31,8 @@ void avpriv_emms_yasm(void);
* Empty mmx state. * Empty mmx state.
* this must be called between any dsp function and float/double code. * this must be called between any dsp function and float/double code.
* for example sin(); dsp->idct_put(); emms_c(); cos() * for example sin(); dsp->idct_put(); emms_c(); cos()
* Note, *alloc() and *free() also use float code in some libc implementations
* thus this also applies to them or any function using them.
*/ */
static av_always_inline void emms_c(void) static av_always_inline void emms_c(void)
{ {