[FFmpeg-cvslog] libswresample: Implement MMX, SSE4 and AVX 6ch float and int32 packing function.
Justin Ruggles
git at videolan.org
Sun May 13 19:33:09 CEST 2012
ffmpeg | branch: master | Justin Ruggles <justin.ruggles at gmail.com> | Sun May 13 19:09:01 2012 +0200| [6f67d9833b5a7d78d27c283d7e4238e6d3e5fd98] | committer: Michael Niedermayer
libswresample: Implement MMX, SSE4 and AVX 6ch float and int32 packing function.
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6f67d9833b5a7d78d27c283d7e4238e6d3e5fd98
---
libswresample/x86/audio_convert.asm | 78 +++++++++++++++++++++++++++++++++++
libswresample/x86/swresample_x86.c | 20 ++++++++-
2 files changed, 97 insertions(+), 1 deletions(-)
diff --git a/libswresample/x86/audio_convert.asm b/libswresample/x86/audio_convert.asm
index 5768405..1fa519a 100644
--- a/libswresample/x86/audio_convert.asm
+++ b/libswresample/x86/audio_convert.asm
@@ -199,6 +199,84 @@ cglobal %2_to_%1_%3, 3, 3, 6, dst, src, len
REP_RET
%endmacro
+%macro CONV_FLTP_TO_FLT_6CH 3
+cglobal pack_6ch_%2_to_%1_%3, 2,8,7, dst, src, src1, src2, src3, src4, src5, len
+%if ARCH_X86_64
+ mov lend, r2d
+%else
+ %define lend dword r2m
+%endif
+ mov src1q, [srcq+1*gprsize]
+ mov src2q, [srcq+2*gprsize]
+ mov src3q, [srcq+3*gprsize]
+ mov src4q, [srcq+4*gprsize]
+ mov src5q, [srcq+5*gprsize]
+ mov srcq, [srcq]
+ mov dstq, [dstq]
+ sub src1q, srcq
+ sub src2q, srcq
+ sub src3q, srcq
+ sub src4q, srcq
+ sub src5q, srcq
+.loop:
+ mova m0, [srcq ]
+ mova m1, [srcq+src1q]
+ mova m2, [srcq+src2q]
+ mova m3, [srcq+src3q]
+ mova m4, [srcq+src4q]
+ mova m5, [srcq+src5q]
+%if cpuflag(sse4)
+ SBUTTERFLYPS 0, 1, 6
+ SBUTTERFLYPS 2, 3, 6
+ SBUTTERFLYPS 4, 5, 6
+
+ blendps m6, m4, m0, 1100b
+ movlhps m0, m2
+ movhlps m4, m2
+ blendps m2, m5, m1, 1100b
+ movlhps m1, m3
+ movhlps m5, m3
+
+ movaps [dstq ], m0
+ movaps [dstq+16], m6
+ movaps [dstq+32], m4
+ movaps [dstq+48], m1
+ movaps [dstq+64], m2
+ movaps [dstq+80], m5
+%else ; mmx
+ SBUTTERFLY dq, 0, 1, 6
+ SBUTTERFLY dq, 2, 3, 6
+ SBUTTERFLY dq, 4, 5, 6
+
+ movq [dstq ], m0
+ movq [dstq+ 8], m2
+ movq [dstq+16], m4
+ movq [dstq+24], m1
+ movq [dstq+32], m3
+ movq [dstq+40], m5
+%endif
+ add srcq, mmsize
+ add dstq, mmsize*6
+ sub lend, mmsize/4
+ jg .loop
+%if mmsize == 8
+ emms
+ RET
+%else
+ REP_RET
+%endif
+%endmacro
+
+INIT_MMX mmx
+CONV_FLTP_TO_FLT_6CH float,float,a
+INIT_XMM sse4
+CONV_FLTP_TO_FLT_6CH float,float,a
+%if HAVE_AVX
+INIT_XMM avx
+CONV_FLTP_TO_FLT_6CH float,float,a
+%endif
+
+
%macro INT16_TO_INT32_N 0
pxor m2, m2
pxor m3, m3
diff --git a/libswresample/x86/swresample_x86.c b/libswresample/x86/swresample_x86.c
index e600100..f2349b5 100644
--- a/libswresample/x86/swresample_x86.c
+++ b/libswresample/x86/swresample_x86.c
@@ -24,9 +24,10 @@
#define PROTO(pre, in, out, cap) void ff ## pre ## _ ##in## _to_ ##out## _a_ ##cap(uint8_t **dst, const uint8_t **src, int len);
#define PROTO2(pre, out, cap) PROTO(pre, int16, out, cap) PROTO(pre, int32, out, cap) PROTO(pre, float, out, cap)
#define PROTO3(pre, cap) PROTO2(pre, int16, cap) PROTO2(pre, int32, cap) PROTO2(pre, float, cap)
-#define PROTO4(pre) PROTO3(pre, mmx) PROTO3(pre, sse) PROTO3(pre, sse2) PROTO3(pre, ssse3) PROTO3(pre, avx)
+#define PROTO4(pre) PROTO3(pre, mmx) PROTO3(pre, sse) PROTO3(pre, sse2) PROTO3(pre, ssse3) PROTO3(pre, sse4) PROTO3(pre, avx)
PROTO4()
PROTO4(_pack_2ch)
+PROTO4(_pack_6ch)
PROTO4(_unpack_2ch)
void swri_audio_convert_init_x86(struct AudioConvert *ac,
@@ -50,6 +51,13 @@ void swri_audio_convert_init_x86(struct AudioConvert *ac,
MULTI_CAPS_FUNC(AV_CPU_FLAG_MMX, mmx)
MULTI_CAPS_FUNC(AV_CPU_FLAG_SSE, sse)
+ if(mm_flags & AV_CPU_FLAG_MMX) {
+ if(channels == 6) {
+ if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
+ ac->simd_f = ff_pack_6ch_float_to_float_a_mmx;
+ }
+ }
+
if(mm_flags & AV_CPU_FLAG_SSE) {
if(channels == 2) {
if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
@@ -111,8 +119,18 @@ MULTI_CAPS_FUNC(AV_CPU_FLAG_SSE, sse)
ac->simd_f = ff_unpack_2ch_int16_to_float_a_ssse3;
}
}
+ if(mm_flags & AV_CPU_FLAG_SSE4) {
+ if(channels == 6) {
+ if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
+ ac->simd_f = ff_pack_6ch_float_to_float_a_sse4;
+ }
+ }
if(HAVE_AVX && mm_flags & AV_CPU_FLAG_AVX) {
if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32 || out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32P)
ac->simd_f = ff_int32_to_float_a_avx;
+ if(channels == 6) {
+ if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
+ ac->simd_f = ff_pack_6ch_float_to_float_a_avx;
+ }
}
}
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