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libswscale: add output support for AV_PIX_FMT_GBRAPF32

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Mark Reid
2020-05-03 16:10:04 -07:00
committed by Michael Niedermayer
parent ba5d0515a6
commit b4967fc71c
20 changed files with 221 additions and 15 deletions
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28
libswscale/slice.c
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@@ -189,23 +189,26 @@ int ff_init_slice_from_src(SwsSlice * s, uint8_t *src[4], int stride[4], int src
return 0;
}
static void fill_ones(SwsSlice *s, int n, int is16bit)
static void fill_ones(SwsSlice *s, int n, int bpc)
{
int i;
int i, j, k, size, end;
for (i = 0; i < 4; ++i) {
int j;
int size = s->plane[i].available_lines;
size = s->plane[i].available_lines;
for (j = 0; j < size; ++j) {
int k;
int end = is16bit ? n>>1: n;
// fill also one extra element
end += 1;
if (is16bit)
if (bpc == 16) {
end = (n>>1) + 1;
for (k = 0; k < end; ++k)
((int32_t*)(s->plane[i].line[j]))[k] = 1<<18;
else
} else if (bpc == 32) {
end = (n>>2) + 1;
for (k = 0; k < end; ++k)
((int64_t*)(s->plane[i].line[j]))[k] = 1LL<<34;
} else {
end = n + 1;
for (k = 0; k < end; ++k)
((int16_t*)(s->plane[i].line[j]))[k] = 1<<14;
}
}
}
}
@@ -272,6 +275,9 @@ int ff_init_filters(SwsContext * c)
if (c->dstBpc == 16)
dst_stride <<= 1;
if (c->dstBpc == 32)
dst_stride <<= 2;
num_ydesc = need_lum_conv ? 2 : 1;
num_cdesc = need_chr_conv ? 2 : 1;
@@ -302,7 +308,7 @@ int ff_init_filters(SwsContext * c)
res = alloc_lines(&c->slice[i], dst_stride, c->dstW);
if (res < 0) goto cleanup;
fill_ones(&c->slice[i], dst_stride>>1, c->dstBpc == 16);
fill_ones(&c->slice[i], dst_stride>>1, c->dstBpc);
// vertical scaler output
++i;