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sws/aarch64: restore ff_hscale_8_to_15_neon() 

Fix final scaling and required filter alignment. Pass FATE.
This commit is contained in:
Clément Bœsch 2016-04-05 10:16:32 +02:00
parent 56a3a3f01c
commit 040598218f
3 changed files with 3 additions and 3 deletions
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2
libswscale/aarch64/hscale.S
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@ -51,7 +51,7 @@ function ff_hscale_8_to_15_neon, export=1
add x10, x10, w6, UXTW #1 // filter2 += filterSize*2
addp v4.4S, v4.4S, v5.4S // horizontal pair adding of the 8x32-bit sums into 4x32-bit
addp v4.4S, v4.4S, v4.4S // horizontal pair adding of the 4x32-bit sums into 2x32-bit
sqrshrun v4.4H, v4.4S, #7 // shift and clip the 2x16-bit final values
sqshrn v4.4H, v4.4S, #7 // shift and clip the 2x16-bit final values
st1 {v4.S}[0], [x1], #4 // write to destination
subs w2, w2, #2 // dstW -= 2
b.gt 1b // loop until end of line

2
libswscale/aarch64/swscale.c
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@ -31,7 +31,7 @@ av_cold void ff_sws_init_swscale_aarch64(SwsContext *c)
if (have_neon(cpu_flags)) {
if (c->srcBpc == 8 && c->dstBpc <= 14) {
//c->hyScale = c->hcScale = ff_hscale_8_to_15_neon;
c->hyScale = c->hcScale = ff_hscale_8_to_15_neon;
}
}
}

2
libswscale/utils.c
View File

@ -1629,7 +1629,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
{
const int filterAlign = X86_MMX(cpu_flags) ? 4 :
PPC_ALTIVEC(cpu_flags) ? 8 :
have_neon(cpu_flags) ? 4 : 1;
have_neon(cpu_flags) ? 8 : 1;
if ((ret = initFilter(&c->hLumFilter, &c->hLumFilterPos,
&c->hLumFilterSize, c->lumXInc,