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optimize(templates): don't call compressor_mono if only using stereo compressor

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vsariola 2021-03-21 12:14:28 +02:00
parent d2f4d5d851
commit 4b90c1c50a
1 changed files with 5 additions and 0 deletions
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templates/amd64-386/effects.asm
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@ -363,10 +363,12 @@ su_op_delay_loop:
fst st3 ; y x^2 l r fst st3 ; y x^2 l r
fmul st0, st0 ; y^2 x^2 l r fmul st0, st0 ; y^2 x^2 l r
faddp st1, st0 ; y^2+x^2 l r faddp st1, st0 ; y^2+x^2 l r
{{- if .StereoAndMono "compressor"}}
call su_op_compressor_mono ; So, for stereo, we square both left & right and add them up call su_op_compressor_mono ; So, for stereo, we square both left & right and add them up
fld st0 ; and return the computed gain two times, ready for MULP STEREO fld st0 ; and return the computed gain two times, ready for MULP STEREO
ret ret
su_op_compressor_mono: su_op_compressor_mono:
{{- end}}
{{- end}} {{- end}}
fld dword [{{.WRK}}] ; l x^2 x fld dword [{{.WRK}}] ; l x^2 x
fucomi st0, st1 fucomi st0, st1
@ -393,5 +395,8 @@ su_op_compressor_mono:
; if ratio is at minimum => p=0 => 1 x ; if ratio is at minimum => p=0 => 1 x
; if ratio is at maximum => p=0.5 => t/x => t/x*x=t ; if ratio is at maximum => p=0.5 => t/x => t/x*x=t
fdiv dword [{{.Input "compressor" "invgain"}}]; this used to be pregain but that ran into problems with getting back up to 0 dB so postgain should be better at that fdiv dword [{{.Input "compressor" "invgain"}}]; this used to be pregain but that ran into problems with getting back up to 0 dB so postgain should be better at that
{{- if and (.Stereo "compressor") (not (.Mono "compressor"))}}
fld st0 ; and return the computed gain two times, ready for MULP STEREO
{{- end}}
ret ret
{{- end}} {{- end}}