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| author | Diego Biurrun <diego@biurrun.de> | 2016-01-30 14:45:28 +0100 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2016-03-01 10:18:28 +0100 |
| commit | 1a094af638281295bf087945923d258b5acd1ab1 (patch) | |
| tree | 93ec951fe9d688564fcc32917f94b5077bb26d8f /libavcodec/x86/fft.asm | |
| parent | 4d13bcceb9a1820f8e9b2c89e00816d3db41b716 (diff) | |
| download | ffmpeg-1a094af638281295bf087945923d258b5acd1ab1.tar.gz | |
fft: Split MDCT bits off from FFT
Diffstat (limited to 'libavcodec/x86/fft.asm')
| -rw-r--r-- | libavcodec/x86/fft.asm | 128 |
1 files changed, 66 insertions, 62 deletions
diff --git a/libavcodec/x86/fft.asm b/libavcodec/x86/fft.asm index d3be72e576..ef007f4eec 100644 --- a/libavcodec/x86/fft.asm +++ b/libavcodec/x86/fft.asm @@ -655,68 +655,6 @@ cglobal fft_permute, 2,7,1 jl .loopcopy REP_RET -%macro IMDCT_CALC_FUNC 0 -cglobal imdct_calc, 3,5,3 - mov r3d, [r0 + FFTContext.mdctsize] - mov r4, [r0 + FFTContext.imdcthalf] - add r1, r3 - PUSH r3 - PUSH r1 -%if ARCH_X86_32 - push r2 - push r1 - push r0 -%else - sub rsp, 8+32*WIN64 ; allocate win64 shadow space -%endif - call r4 -%if ARCH_X86_32 - add esp, 12 -%else - add rsp, 8+32*WIN64 -%endif - POP r1 - POP r3 - lea r0, [r1 + 2*r3] - mov r2, r3 - sub r3, mmsize - neg r2 - mova m2, [ps_m1m1m1m1] -.loop: -%if mmsize == 8 - PSWAPD m0, [r1 + r3] - PSWAPD m1, [r0 + r2] - pxor m0, m2 -%else - mova m0, [r1 + r3] - mova m1, [r0 + r2] - shufps m0, m0, 0x1b - shufps m1, m1, 0x1b - xorps m0, m2 -%endif - mova [r0 + r3], m1 - mova [r1 + r2], m0 - sub r3, mmsize - add r2, mmsize - jl .loop -%if cpuflag(3dnow) - femms - RET -%else - REP_RET -%endif -%endmacro - -%if ARCH_X86_32 -INIT_MMX 3dnow -IMDCT_CALC_FUNC -INIT_MMX 3dnowext -IMDCT_CALC_FUNC -%endif - -INIT_XMM sse -IMDCT_CALC_FUNC - %if ARCH_X86_32 INIT_MMX 3dnow %define mulps pfmul @@ -791,6 +729,70 @@ DECL_FFT 4 DECL_FFT 4, _interleave %endif +%if CONFIG_MDCT + +%macro IMDCT_CALC_FUNC 0 +cglobal imdct_calc, 3,5,3 + mov r3d, [r0 + FFTContext.mdctsize] + mov r4, [r0 + FFTContext.imdcthalf] + add r1, r3 + PUSH r3 + PUSH r1 +%if ARCH_X86_32 + push r2 + push r1 + push r0 +%else + sub rsp, 8+32*WIN64 ; allocate win64 shadow space +%endif + call r4 +%if ARCH_X86_32 + add esp, 12 +%else + add rsp, 8+32*WIN64 +%endif + POP r1 + POP r3 + lea r0, [r1 + 2*r3] + mov r2, r3 + sub r3, mmsize + neg r2 + mova m2, [ps_m1m1m1m1] +.loop: +%if mmsize == 8 + PSWAPD m0, [r1 + r3] + PSWAPD m1, [r0 + r2] + pxor m0, m2 +%else + mova m0, [r1 + r3] + mova m1, [r0 + r2] + shufps m0, m0, 0x1b + shufps m1, m1, 0x1b + xorps m0, m2 +%endif + mova [r0 + r3], m1 + mova [r1 + r2], m0 + sub r3, mmsize + add r2, mmsize + jl .loop +%if cpuflag(3dnow) + femms + RET +%else + REP_RET +%endif +%endmacro + +%if ARCH_X86_32 +INIT_MMX 3dnow +IMDCT_CALC_FUNC +INIT_MMX 3dnowext +IMDCT_CALC_FUNC +%endif + +INIT_XMM sse +IMDCT_CALC_FUNC + INIT_XMM sse %undef mulps %undef addps @@ -1081,3 +1083,5 @@ DECL_IMDCT POSROTATESHUF_3DNOW INIT_YMM avx DECL_IMDCT POSROTATESHUF_AVX + +%endif ; CONFIG_MDCT |