Hi, On Sun, Aug 5, 2012 at 9:52 PM, Justin Ruggles <justin.rugg...@gmail.com> wrote: > --- > libavresample/x86/audio_convert.asm | 123 > ++++++++++++++++++++++++++++++++ > libavresample/x86/audio_convert_init.c | 14 ++++ > 2 files changed, 137 insertions(+), 0 deletions(-) > > diff --git a/libavresample/x86/audio_convert.asm > b/libavresample/x86/audio_convert.asm > index 4a92952..ee05efc 100644 > --- a/libavresample/x86/audio_convert.asm > +++ b/libavresample/x86/audio_convert.asm > @@ -260,6 +260,129 @@ INIT_XMM avx > CONV_S16P_TO_S16_2CH > %endif > > +;------------------------------------------------------------------------------ > +; void ff_conv_s16p_to_s16_6ch(int16_t *dst, int16_t *const *src, int len, > +; int channels); > +;------------------------------------------------------------------------------ > + > +;------------------------------------------------------------------------------ > +; NOTE: In the 6-channel functions, len could be used as an index on x86-64 > +; instead of just a counter, which would avoid incrementing the > +; pointers, but the extra complexity and amount of code is not worth > +; the small gain. On x86-32 there are not enough registers to use len > +; as an index without keeping two of the pointers on the stack and > +; loading them in each iteration. > +;------------------------------------------------------------------------------
Hm ... Well OK then. Ronald _______________________________________________ libav-devel mailing list libav-devel@libav.org https://lists.libav.org/mailman/listinfo/libav-devel
