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Code Issues Releases Activity

swr: seperate functions for aligned & unaligned

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If someone has an idea on how to do this cleaner, its welcome

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-04-28 13:01:50 +02:00
parent bcc66ff0e4
commit fa5daaca0d
2 changed files with 18 additions and 8 deletions
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22
libswresample/x86/audio_convert.asm
View File

@ -23,18 +23,26 @@
SECTION .text
%macro INT16_TO_INT32 0
%macro INT16_TO_INT32 1
cglobal int16_to_int32_%1, 3, 3, 0, dst, src, len
mov srcq, [srcq]
mov dstq, [dstq]
%ifidn %1, a
test dstq, mmsize-1
jne int16_to_int32_u_int %+ SUFFIX
test srcq, mmsize-1
jne int16_to_int32_u_int %+ SUFFIX
%else
int16_to_int32_u_int %+ SUFFIX
%endif
.next
movu m4, [srcq]
mov%1 m4, [srcq]
pxor m0, m0
pxor m1, m1
punpcklwd m0, m4
punpckhwd m1, m4
movu [ dstq], m0
movu [mmsize + dstq], m1
mov%1 [ dstq], m0
mov%1 [mmsize + dstq], m1
add srcq, mmsize
add dstq, 2*mmsize
sub lenq, 2*mmsize
@ -46,7 +54,9 @@ cglobal int16_to_int32_%1, 3, 3, 0, dst, src, len
%endmacro
INIT_MMX mmx
INT16_TO_INT32
INT16_TO_INT32 u
INT16_TO_INT32 a
INIT_XMM sse
INT16_TO_INT32
INT16_TO_INT32 u
INT16_TO_INT32 a

4
libswresample/x86/swresample_x86.c
View File

@ -22,7 +22,7 @@
#include "libswresample/audioconvert.h"
#define MULTI_CAPS_FUNC_DECL(cap) \
void ff_int16_to_int32_ ## cap(uint8_t **dst, const uint8_t **src, int len);
void ff_int16_to_int32_a_ ## cap(uint8_t **dst, const uint8_t **src, int len);
MULTI_CAPS_FUNC_DECL(mmx)
MULTI_CAPS_FUNC_DECL(sse)
@ -39,7 +39,7 @@ void swri_audio_convert_init_x86(struct AudioConvert *ac,
#define MULTI_CAPS_FUNC(flag, cap) \
if (mm_flags & flag) {\
if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S16 || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16P)\
ac->simd_f = ff_int16_to_int32_ ## cap;\
ac->simd_f = ff_int16_to_int32_a_ ## cap;\
}
MULTI_CAPS_FUNC(AV_CPU_FLAG_MMX, mmx)