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ffmpeg.wasm-core
Commit 562653b7 authored by Matthieu Bouron's avatar Matthieu Bouron Committed by Matthieu Bouron
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swscale/arm/yuv2rgb: macro-ify

parent 0286b56f
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Showing with 62 additions and 79 deletions
libswscale/arm/yuv2rgb_neon.S
View file @ 562653b7
......@@ -99,23 +99,23 @@
.endm
.macro process_1l_16px_internal dst src ofmt
vld1.8 {q7}, [\src]!
compute_16px \dst, d14, d15, \ofmt
.endm
.macro process_1l_16px ofmt
compute_premult d28, d29, d30, d31
vld1.8 {q7}, [r4]!
compute_16px r2, d14, d15, \ofmt
process_1l_16px_internal r2, r4, \ofmt
.endm
.macro process_2l_16px ofmt
compute_premult d28, d29, d30, d31
vld1.8 {q7}, [r4]! @ first line of luma
compute_16px r2, d14, d15, \ofmt
vld1.8 {q7}, [r12]! @ second line of luma
compute_16px r11, d14, d15, \ofmt
process_1l_16px_internal r2, r4, \ofmt
process_1l_16px_internal r11,r12,\ofmt
.endm
.macro load_args_nvx
.macro load_args_nv12
push {r4-r12, lr}
vpush {q4-q7}
ldr r4, [sp, #104] @ r4 = srcY
......@@ -136,6 +136,10 @@
sub r7, r7, r0 @ r7 = linesizeC - width (paddingC)
.endm
.macro load_args_nv21
load_args_nv12
.endm
.macro load_args_yuv420p
push {r4-r12, lr}
vpush {q4-q7}
......@@ -176,55 +180,23 @@
ldr r10,[sp, #120] @ r10 = srcV
.endm
.macro declare_func ifmt ofmt
function ff_\ifmt\()_to_\ofmt\()_neon, export=1
.ifc \ifmt,nv12
load_args_nvx
.endif
.ifc \ifmt,nv21
load_args_nvx
.endif
.ifc \ifmt,yuv420p
load_args_yuv420p
.endif
.ifc \ifmt,yuv422p
load_args_yuv422p
.endif
1:
mov r8, r0 @ r8 = width
2:
pld [r6, #64*3]
pld [r4, #64*3]
vmov.i8 d10, #128
.ifc \ifmt,nv12
.macro load_chroma_nv12
pld [r12, #64*3]
vld2.8 {d2, d3}, [r6]! @ q1: interleaved chroma line
vsubl.u8 q14, d2, d10 @ q14 = U - 128
vsubl.u8 q15, d3, d10 @ q15 = V - 128
.endm
process_2l_16px \ofmt
.endif
.ifc \ifmt,nv21
.macro load_chroma_nv21
pld [r12, #64*3]
vld2.8 {d2, d3}, [r6]! @ q1: interleaved chroma line
vsubl.u8 q14, d3, d10 @ q14 = U - 128
vsubl.u8 q15, d2, d10 @ q15 = V - 128
.endm
process_2l_16px \ofmt
.endif
.ifc \ifmt,yuv420p
.macro load_chroma_yuv420p
pld [r10, #64*3]
pld [r12, #64*3]
......@@ -232,68 +204,79 @@ function ff_\ifmt\()_to_\ofmt\()_neon, export=1
vld1.8 d3, [r10]! @ d3: chroma blue line
vsubl.u8 q14, d2, d10 @ q14 = U - 128
vsubl.u8 q15, d3, d10 @ q15 = V - 128
.endm
process_2l_16px \ofmt
.endif
.ifc \ifmt,yuv422p
.macro load_chroma_yuv422p
pld [r10, #64*3]
vld1.8 d2, [r6]! @ d2: chroma red line
vld1.8 d3, [r10]! @ d3: chroma blue line
vsubl.u8 q14, d2, d10 @ q14 = U - 128
vsubl.u8 q15, d3, d10 @ q15 = V - 128
.endm
process_1l_16px \ofmt
.endif
subs r8, r8, #16 @ width -= 16
bgt 2b
add r2, r2, r3 @ dst += padding
add r4, r4, r5 @ srcY += paddingY
.ifc \ifmt,nv12
.macro increment_and_test_nv12
add r11, r11, r3 @ dst2 += padding
add r12, r12, r5 @ srcY2 += paddingY
add r6, r6, r7 @ srcC += paddingC
subs r1, r1, #2 @ height -= 2
.endif
.ifc \ifmt,nv21
add r11, r11, r3 @ dst2 += padding
add r12, r12, r5 @ srcY2 += paddingY
.endm
add r6, r6, r7 @ srcC += paddingC
subs r1, r1, #2 @ height -= 2
.endif
.macro increment_and_test_nv21
increment_and_test_nv12
.endm
.ifc \ifmt,yuv420p
.macro increment_and_test_yuv420p
add r11, r11, r3 @ dst2 += padding
add r12, r12, r5 @ srcY2 += paddingY
ldr r7, [sp, #116] @ r7 = linesizeU
sub r7, r7, r0, lsr #1 @ r7 = linesizeU - width / 2 (paddingU)
add r6, r6, r7 @ srcU += paddingU
ldr r7, [sp, #124] @ r7 = linesizeV
sub r7, r7, r0, lsr #1 @ r7 = linesizeV - width / 2 (paddingV)
add r10, r10, r7 @ srcV += paddingV
subs r1, r1, #2 @ height -= 2
.endif
.endm
.ifc \ifmt,yuv422p
.macro increment_and_test_yuv422p
add r6, r6, r7 @ srcU += paddingU
add r10,r10,r12 @ srcV += paddingV
subs r1, r1, #1 @ height -= 1
.endif
.endm
bgt 1b
.macro process_nv12 ofmt
process_2l_16px \ofmt
.endm
.macro process_nv21 ofmt
process_2l_16px \ofmt
.endm
.macro process_yuv420p ofmt
process_2l_16px \ofmt
.endm
.macro process_yuv422p ofmt
process_1l_16px \ofmt
.endm
.macro declare_func ifmt ofmt
function ff_\ifmt\()_to_\ofmt\()_neon, export=1
load_args_\ifmt
1:
mov r8, r0 @ r8 = width
2:
pld [r6, #64*3]
pld [r4, #64*3]
vmov.i8 d10, #128
load_chroma_\ifmt
process_\ifmt \ofmt
subs r8, r8, #16 @ width -= 16
bgt 2b
add r2, r2, r3 @ dst += padding
add r4, r4, r5 @ srcY += paddingY
increment_and_test_\ifmt
bgt 1b
vpop {q4-q7}
pop {r4-r12, lr}
mov pc, lr
......
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