618 lines
22 KiB
NASM
618 lines
22 KiB
NASM
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.386
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.MODEL flat
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.data
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.code
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SEGMENT text USE32
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ALIGN 16
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;================
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;
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; MV_Mix8BitMonoFast
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;
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;================
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; eax - position
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; edx - rate
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; ebx - Harsh clip table
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; edi - to
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; esi - start
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; ecx - Volume table
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MixBufferSize equ 256
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PROC MV_Mix8BitMonoFast_
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PUBLIC MV_Mix8BitMonoFast_
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; Two at once
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push ebp
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mov ebp, eax
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; Volume table ptr
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mov eax,OFFSET apatch1+3 ; convice tasm to modify code...
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mov [eax],ecx
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mov eax,OFFSET apatch2+3 ; convice tasm to modify code...
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mov [eax],ecx
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; Harsh Clip table ptr
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add ebx,128
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mov eax,OFFSET apatch3+2 ; convice tasm to modify code...
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mov [eax],ebx
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mov eax,OFFSET apatch4+2 ; convice tasm to modify code...
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mov [eax],ebx
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; Rate scale ptr
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mov eax,OFFSET apatch5+2 ; convice tasm to modify code...
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mov [eax],edx
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mov eax,OFFSET apatch6+2 ; convice tasm to modify code...
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mov [eax],edx
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mov ecx, MixBufferSize / 2 ; double pixel count
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; eax - scratch
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; ebx - scratch
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; edx - scratch
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; ecx - count
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; edi - destination
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; esi - source
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; ebp - frac pointer
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; apatch1 - volume table
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; apatch2 - volume table
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; apatch3 - harsh clip table
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; apatch4 - harsh clip table
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; apatch5 - sample rate
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; apatch6 - sample rate
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mov eax,ebp ; begin calculating first sample
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add ebp,edx ; advance frac pointer
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shr eax,16 ; finish calculation for first sample
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mov ebx,ebp ; begin calculating second sample
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add ebp,edx ; advance frac pointer
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shr ebx,16 ; finish calculation for second sample
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movzx eax, byte ptr [esi+eax] ; get first sample
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movzx ebx, byte ptr [esi+ebx] ; get second sample
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ALIGN 16
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mix8Mloop:
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movzx edx, byte ptr [edi] ; get current sample from destination
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apatch1:
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movsx eax, byte ptr [eax+12345678h] ; volume translate first sample
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apatch2:
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movsx ebx, byte ptr [ebx+12345678h] ; volume translate second sample
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add eax, edx ; mix first sample
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movzx edx, byte ptr [edi + 1] ; get current sample from destination
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apatch3:
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mov eax, [eax + 12345678h] ; harsh clip new sample
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add ebx, edx ; mix second sample
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mov [edi], al ; write new sample to destination
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mov edx, ebp ; begin calculating third sample
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apatch4:
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mov ebx, [ebx + 12345678h] ; harsh clip new sample
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apatch5:
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add ebp,12345678h ; advance frac pointer
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shr edx, 16 ; finish calculation for third sample
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mov eax, ebp ; begin calculating fourth sample
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inc edi ; move destination to second sample
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shr eax, 16 ; finish calculation for fourth sample
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mov [edi], bl ; write new sample to destination
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apatch6:
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add ebp,12345678h ; advance frac pointer
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movzx ebx, byte ptr [esi+eax] ; get fourth sample
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movzx eax, byte ptr [esi+edx] ; get third sample
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inc edi ; move destination to third sample
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dec ecx ; decrement count
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jnz mix8Mloop ; loop
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pop ebp
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ret
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ENDP MV_Mix8BitMonoFast_
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;================
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;
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; MV_Mix8BitStereoFast
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;
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;================
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; eax - position
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; edx - rate
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; ebx - Harsh clip table
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; edi - to
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; esi - start
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; ecx - Left Volume table
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; esp + 8 - Right Volume table
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PROC MV_Mix8BitStereoFast_
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PUBLIC MV_Mix8BitStereoFast_
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push ebp
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mov ebp, eax
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; Volume table ptr
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mov eax,OFFSET bpatch1+3 ; convice tasm to modify code...
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mov [eax],ecx
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mov ecx, [ esp + 8 ]
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mov eax,OFFSET bpatch2+3 ; convice tasm to modify code...
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mov [eax],ecx
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; Rate scale ptr
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mov eax,OFFSET bpatch3+2 ; convice tasm to modify code...
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mov [eax],edx
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; Harsh Clip table ptr
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add ebx,128
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mov eax,OFFSET bpatch4+2 ; convice tasm to modify code...
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mov [eax],ebx
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mov eax,OFFSET bpatch5+2 ; convice tasm to modify code...
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mov [eax],ebx
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mov ecx, MixBufferSize
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; eax - scratch
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; ebx - scratch
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; edx - scratch
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; ecx - count
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; edi - destination
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; esi - source
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; ebp - frac pointer
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; bpatch1 - left volume table
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; bpatch2 - right volume table
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; bpatch3 - sample rate
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; bpatch4 - harsh clip table
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; bpatch5 - harsh clip table
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mov eax,ebp ; begin calculating first sample
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shr eax,16 ; finish calculation for first sample
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movzx ebx, byte ptr [esi+eax] ; get first sample
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ALIGN 16
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mix8Sloop:
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bpatch1:
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movsx eax, byte ptr [ebx+12345678h] ; volume translate left sample
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movzx edx, byte ptr [edi] ; get current sample from destination
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bpatch2:
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movsx ebx, byte ptr [ebx+12345678h] ; volume translate right sample
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add eax, edx ; mix left sample
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bpatch3:
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add ebp,12345678h ; advance frac pointer
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movzx edx, byte ptr [edi+1] ; get current sample from destination
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bpatch4:
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mov eax, [eax + 12345678h] ; harsh clip left sample
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add ebx, edx ; mix right sample
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mov [edi], al ; write left sample to destination
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bpatch5:
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mov ebx, [ebx + 12345678h] ; harsh clip right sample
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inc edi ; move destination to second sample
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mov edx, ebp ; begin calculating second sample
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mov [edi], bl ; write right sample to destination
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shr edx, 16 ; finish calculation for second sample
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inc edi ; move destination to second sample
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movzx ebx, byte ptr [esi+edx] ; get second sample
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dec ecx ; decrement count
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jnz mix8Sloop ; loop
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pop ebp
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ret
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ENDP MV_Mix8BitStereoFast_
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;================
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;
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; MV_Mix8Bit1ChannelFast
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;
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;================
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; eax - position
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; edx - rate
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; ebx - Harsh clip table
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; edi - to
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; esi - start
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; ecx - Volume table
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PROC MV_Mix8Bit1ChannelFast_
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PUBLIC MV_Mix8Bit1ChannelFast_
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; Two at once
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push ebp
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mov ebp, eax
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; Volume table ptr
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mov eax,OFFSET epatch1+3 ; convice tasm to modify code...
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mov [eax],ecx
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mov eax,OFFSET epatch2+3 ; convice tasm to modify code...
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mov [eax],ecx
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; Harsh Clip table ptr
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add ebx,128
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mov eax,OFFSET epatch3+2 ; convice tasm to modify code...
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mov [eax],ebx
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mov eax,OFFSET epatch4+2 ; convice tasm to modify code...
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mov [eax],ebx
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; Rate scale ptr
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mov eax,OFFSET epatch5+2 ; convice tasm to modify code...
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mov [eax],edx
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mov eax,OFFSET epatch6+2 ; convice tasm to modify code...
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mov [eax],edx
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mov ecx, MixBufferSize / 2 ; double pixel count
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; eax - scratch
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; ebx - scratch
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; edx - scratch
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; ecx - count
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; edi - destination
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; esi - source
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; ebp - frac pointer
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; apatch1 - volume table
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; apatch2 - volume table
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; apatch3 - harsh clip table
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; apatch4 - harsh clip table
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; apatch5 - sample rate
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; apatch6 - sample rate
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mov eax,ebp ; begin calculating first sample
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add ebp,edx ; advance frac pointer
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shr eax,16 ; finish calculation for first sample
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mov ebx,ebp ; begin calculating second sample
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add ebp,edx ; advance frac pointer
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shr ebx,16 ; finish calculation for second sample
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movzx eax, byte ptr [esi+eax] ; get first sample
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movzx ebx, byte ptr [esi+ebx] ; get second sample
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ALIGN 16
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mix81Cloop:
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movzx edx, byte ptr [edi] ; get current sample from destination
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epatch1:
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movsx eax, byte ptr [eax+12345678h] ; volume translate first sample
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epatch2:
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movsx ebx, byte ptr [ebx+12345678h] ; volume translate second sample
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add eax, edx ; mix first sample
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movzx edx, byte ptr [edi + 2] ; get current sample from destination
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epatch3:
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mov eax, [eax + 12345678h] ; harsh clip new sample
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add ebx, edx ; mix second sample
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mov [edi], al ; write new sample to destination
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mov edx, ebp ; begin calculating third sample
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epatch4:
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mov ebx, [ebx + 12345678h] ; harsh clip new sample
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epatch5:
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add ebp,12345678h ; advance frac pointer
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shr edx, 16 ; finish calculation for third sample
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mov eax, ebp ; begin calculating fourth sample
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add edi, 2 ; move destination to second sample
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shr eax, 16 ; finish calculation for fourth sample
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mov [edi], bl ; write new sample to destination
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epatch6:
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add ebp,12345678h ; advance frac pointer
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movzx ebx, byte ptr [esi+eax] ; get fourth sample
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movzx eax, byte ptr [esi+edx] ; get third sample
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add edi, 2 ; move destination to third sample
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dec ecx ; decrement count
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jnz mix81Cloop ; loop
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pop ebp
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ret
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ENDP MV_Mix8Bit1ChannelFast_
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;================
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;
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; MV_Mix16BitMonoFast
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;
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;================
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; eax - position
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; edx - rate
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; edi - to
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; esi - start
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; ecx - Volume table
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MixBufferSize equ 256
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PROC MV_Mix16BitMonoFast_
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PUBLIC MV_Mix16BitMonoFast_
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; Two at once
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push ebp
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mov ebp, eax
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; Volume table ptr
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mov eax,OFFSET cpatch1+4 ; convice tasm to modify code...
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mov [eax],ecx
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mov eax,OFFSET cpatch2+4 ; convice tasm to modify code...
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mov [eax],ecx
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; Rate scale ptr
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mov eax,OFFSET cpatch3+2 ; convice tasm to modify code...
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mov [eax],edx
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mov eax,OFFSET cpatch4+2 ; convice tasm to modify code...
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mov [eax],edx
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mov ecx, MixBufferSize / 2 ; double pixel count
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; eax - scratch
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; ebx - scratch
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; edx - scratch
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; ecx - count
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; edi - destination
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; esi - source
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; ebp - frac pointer
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; cpatch1 - volume table
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; cpatch2 - volume table
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; cpatch3 - sample rate
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; cpatch4 - sample rate
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mov eax,ebp ; begin calculating first sample
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add ebp,edx ; advance frac pointer
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shr eax,16 ; finish calculation for first sample
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mov ebx,ebp ; begin calculating second sample
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add ebp,edx ; advance frac pointer
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shr ebx,16 ; finish calculation for second sample
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movzx eax, byte ptr [esi+eax] ; get first sample
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movzx ebx, byte ptr [esi+ebx] ; get second sample
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ALIGN 16
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mix16Mloop:
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movsx edx, word ptr [edi] ; get current sample from destination
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cpatch1:
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movsx eax, word ptr [2*eax+12345678h] ; volume translate first sample
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cpatch2:
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movsx ebx, word ptr [2*ebx+12345678h] ; volume translate second sample
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add eax, edx ; mix first sample
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movsx edx, word ptr [edi + 2] ; get current sample from destination
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cmp eax, -32768 ; Harsh clip sample
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jge short m16skip1
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mov eax, -32768
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jmp short m16skip2
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m16skip1:
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cmp eax, 32767
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jle short m16skip2
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mov eax, 32767
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m16skip2:
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add ebx, edx ; mix second sample
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mov [edi], ax ; write new sample to destination
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mov edx, ebp ; begin calculating third sample
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cmp ebx, -32768 ; Harsh clip sample
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jge short m16skip3
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mov ebx, -32768
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jmp short m16skip4
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m16skip3:
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cmp ebx, 32767
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jle short m16skip4
|
||
|
|
mov ebx, 32767
|
||
|
|
m16skip4:
|
||
|
|
cpatch3:
|
||
|
|
add ebp,12345678h ; advance frac pointer
|
||
|
|
shr edx, 16 ; finish calculation for third sample
|
||
|
|
mov eax, ebp ; begin calculating fourth sample
|
||
|
|
mov [edi + 2], bx ; write new sample to destination
|
||
|
|
shr eax, 16 ; finish calculation for fourth sample
|
||
|
|
|
||
|
|
cpatch4:
|
||
|
|
add ebp,12345678h ; advance frac pointer
|
||
|
|
movzx ebx, byte ptr [esi+eax] ; get fourth sample
|
||
|
|
add edi, 4 ; move destination to third sample
|
||
|
|
movzx eax, byte ptr [esi+edx] ; get third sample
|
||
|
|
dec ecx ; decrement count
|
||
|
|
jnz mix16Mloop ; loop
|
||
|
|
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
ENDP MV_Mix16BitMonoFast_
|
||
|
|
|
||
|
|
;================
|
||
|
|
;
|
||
|
|
; MV_Mix16BitStereoFast
|
||
|
|
;
|
||
|
|
;================
|
||
|
|
|
||
|
|
; eax - position
|
||
|
|
; edx - rate
|
||
|
|
; edi - to
|
||
|
|
; esi - start
|
||
|
|
; ecx - Left Volume table
|
||
|
|
; ebx - Right Volume table
|
||
|
|
|
||
|
|
PROC MV_Mix16BitStereoFast_
|
||
|
|
PUBLIC MV_Mix16BitStereoFast_
|
||
|
|
push ebp
|
||
|
|
|
||
|
|
mov ebp, eax
|
||
|
|
|
||
|
|
; Volume table ptr
|
||
|
|
mov eax,OFFSET dpatch1+4 ; convice tasm to modify code...
|
||
|
|
mov [eax],ecx
|
||
|
|
|
||
|
|
mov ecx, ebx
|
||
|
|
mov eax,OFFSET dpatch2+4 ; convice tasm to modify code...
|
||
|
|
mov [eax],ecx
|
||
|
|
|
||
|
|
; Rate scale ptr
|
||
|
|
mov eax,OFFSET dpatch3+2 ; convice tasm to modify code...
|
||
|
|
mov [eax],edx
|
||
|
|
|
||
|
|
mov ecx, MixBufferSize
|
||
|
|
|
||
|
|
; eax - scratch
|
||
|
|
; ebx - scratch
|
||
|
|
; edx - scratch
|
||
|
|
; ecx - count
|
||
|
|
; edi - destination
|
||
|
|
; esi - source
|
||
|
|
; ebp - frac pointer
|
||
|
|
; dpatch1 - left volume table
|
||
|
|
; dpatch2 - right volume table
|
||
|
|
; dpatch3 - sample rate
|
||
|
|
|
||
|
|
mov eax,ebp ; begin calculating first sample
|
||
|
|
shr eax,16 ; finish calculation for first sample
|
||
|
|
|
||
|
|
movzx ebx, byte ptr [esi+eax] ; get first sample
|
||
|
|
|
||
|
|
ALIGN 16
|
||
|
|
mix16Sloop:
|
||
|
|
dpatch1:
|
||
|
|
movsx eax, word ptr [2*ebx+12345678h] ; volume translate left sample
|
||
|
|
movsx edx, word ptr [edi] ; get current sample from destination
|
||
|
|
dpatch2:
|
||
|
|
movsx ebx, word ptr [2*ebx+12345678h] ; volume translate right sample
|
||
|
|
add eax, edx ; mix left sample
|
||
|
|
dpatch3:
|
||
|
|
add ebp,12345678h ; advance frac pointer
|
||
|
|
movsx edx, word ptr [edi+2] ; get current sample from destination
|
||
|
|
|
||
|
|
cmp eax, -32768 ; Harsh clip sample
|
||
|
|
jge short s16skip1
|
||
|
|
mov eax, -32768
|
||
|
|
jmp short s16skip2
|
||
|
|
s16skip1:
|
||
|
|
cmp eax, 32767
|
||
|
|
jle short s16skip2
|
||
|
|
mov eax, 32767
|
||
|
|
s16skip2:
|
||
|
|
add ebx, edx ; mix right sample
|
||
|
|
mov [edi], ax ; write left sample to destination
|
||
|
|
|
||
|
|
cmp ebx, -32768 ; Harsh clip sample
|
||
|
|
jge short s16skip3
|
||
|
|
mov ebx, -32768
|
||
|
|
jmp short s16skip4
|
||
|
|
s16skip3:
|
||
|
|
cmp ebx, 32767
|
||
|
|
jle short s16skip4
|
||
|
|
mov ebx, 32767
|
||
|
|
s16skip4:
|
||
|
|
|
||
|
|
mov edx, ebp ; begin calculating second sample
|
||
|
|
mov [edi+2], bx ; write right sample to destination
|
||
|
|
shr edx, 16 ; finish calculation for second sample
|
||
|
|
add edi, 4 ; move destination to second sample
|
||
|
|
movzx ebx, byte ptr [esi+edx] ; get second sample
|
||
|
|
dec ecx ; decrement count
|
||
|
|
jnz mix16Sloop ; loop
|
||
|
|
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
ENDP MV_Mix16BitStereoFast_
|
||
|
|
|
||
|
|
;================
|
||
|
|
;
|
||
|
|
; MV_Mix16Bit1ChannelFast
|
||
|
|
;
|
||
|
|
;================
|
||
|
|
|
||
|
|
; eax - position
|
||
|
|
; edx - rate
|
||
|
|
; edi - to
|
||
|
|
; esi - start
|
||
|
|
; ecx - Volume table
|
||
|
|
|
||
|
|
MixBufferSize equ 256
|
||
|
|
|
||
|
|
PROC MV_Mix16Bit1ChannelFast_
|
||
|
|
PUBLIC MV_Mix16Bit1ChannelFast_
|
||
|
|
; Two at once
|
||
|
|
push ebp
|
||
|
|
|
||
|
|
mov ebp, eax
|
||
|
|
|
||
|
|
; Volume table ptr
|
||
|
|
mov eax,OFFSET fpatch1+4 ; convice tasm to modify code...
|
||
|
|
mov [eax],ecx
|
||
|
|
mov eax,OFFSET fpatch2+4 ; convice tasm to modify code...
|
||
|
|
mov [eax],ecx
|
||
|
|
|
||
|
|
; Rate scale ptr
|
||
|
|
mov eax,OFFSET fpatch3+2 ; convice tasm to modify code...
|
||
|
|
mov [eax],edx
|
||
|
|
mov eax,OFFSET fpatch4+2 ; convice tasm to modify code...
|
||
|
|
mov [eax],edx
|
||
|
|
|
||
|
|
mov ecx, MixBufferSize / 2 ; double pixel count
|
||
|
|
|
||
|
|
; eax - scratch
|
||
|
|
; ebx - scratch
|
||
|
|
; edx - scratch
|
||
|
|
; ecx - count
|
||
|
|
; edi - destination
|
||
|
|
; esi - source
|
||
|
|
; ebp - frac pointer
|
||
|
|
; cpatch1 - volume table
|
||
|
|
; cpatch2 - volume table
|
||
|
|
; cpatch3 - sample rate
|
||
|
|
; cpatch4 - sample rate
|
||
|
|
|
||
|
|
mov eax,ebp ; begin calculating first sample
|
||
|
|
add ebp,edx ; advance frac pointer
|
||
|
|
shr eax,16 ; finish calculation for first sample
|
||
|
|
|
||
|
|
mov ebx,ebp ; begin calculating second sample
|
||
|
|
add ebp,edx ; advance frac pointer
|
||
|
|
shr ebx,16 ; finish calculation for second sample
|
||
|
|
|
||
|
|
movzx eax, byte ptr [esi+eax] ; get first sample
|
||
|
|
movzx ebx, byte ptr [esi+ebx] ; get second sample
|
||
|
|
|
||
|
|
ALIGN 16
|
||
|
|
mix161Cloop:
|
||
|
|
movsx edx, word ptr [edi] ; get current sample from destination
|
||
|
|
fpatch1:
|
||
|
|
movsx eax, word ptr [2*eax+12345678h] ; volume translate first sample
|
||
|
|
fpatch2:
|
||
|
|
movsx ebx, word ptr [2*ebx+12345678h] ; volume translate second sample
|
||
|
|
add eax, edx ; mix first sample
|
||
|
|
movsx edx, word ptr [edi + 4] ; get current sample from destination
|
||
|
|
|
||
|
|
cmp eax, -32768 ; Harsh clip sample
|
||
|
|
jge short m16c1skip1
|
||
|
|
mov eax, -32768
|
||
|
|
jmp short m16c1skip2
|
||
|
|
m16c1skip1:
|
||
|
|
cmp eax, 32767
|
||
|
|
jle short m16c1skip2
|
||
|
|
mov eax, 32767
|
||
|
|
m16c1skip2:
|
||
|
|
add ebx, edx ; mix second sample
|
||
|
|
mov [edi], ax ; write new sample to destination
|
||
|
|
mov edx, ebp ; begin calculating third sample
|
||
|
|
|
||
|
|
cmp ebx, -32768 ; Harsh clip sample
|
||
|
|
jge short m16c1skip3
|
||
|
|
mov ebx, -32768
|
||
|
|
jmp short m16c1skip4
|
||
|
|
m16c1skip3:
|
||
|
|
cmp ebx, 32767
|
||
|
|
jle short m16c1skip4
|
||
|
|
mov ebx, 32767
|
||
|
|
m16c1skip4:
|
||
|
|
fpatch3:
|
||
|
|
add ebp,12345678h ; advance frac pointer
|
||
|
|
shr edx, 16 ; finish calculation for third sample
|
||
|
|
mov eax, ebp ; begin calculating fourth sample
|
||
|
|
mov [edi + 4], bx ; write new sample to destination
|
||
|
|
shr eax, 16 ; finish calculation for fourth sample
|
||
|
|
|
||
|
|
fpatch4:
|
||
|
|
add ebp,12345678h ; advance frac pointer
|
||
|
|
movzx ebx, byte ptr [esi+eax] ; get fourth sample
|
||
|
|
add edi, 8 ; move destination to third sample
|
||
|
|
movzx eax, byte ptr [esi+edx] ; get third sample
|
||
|
|
dec ecx ; decrement count
|
||
|
|
jnz mix161Cloop ; loop
|
||
|
|
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
ENDP MV_Mix16Bit1ChannelFast_
|
||
|
|
|
||
|
|
ENDS
|
||
|
|
|
||
|
|
END
|