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tests/swscale: use yuva444p as reference

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Instead of the lossy yuva420p. This does change the results compared to the
status quo, but is more reflective of the actual strength of a conversion,
since it will faithfully measure the round-trip error from subsampling and
upsampling.
This commit is contained in:
Niklas Haas
2025-02-25 14:14:39 +01:00
parent f438f3f8cd
commit 1707e81073
1 changed files with 4 additions and 4 deletions
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8
libswscale/tests/swscale.c
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@@ -82,7 +82,7 @@ static int fmt_comps(enum AVPixelFormat fmt)
static void get_mse(int mse[4], const AVFrame *a, const AVFrame *b, int comps)
{
av_assert1(a->format == AV_PIX_FMT_YUVA420P);
av_assert1(a->format == AV_PIX_FMT_YUVA444P);
av_assert1(b->format == a->format);
av_assert1(b->width == a->width && b->height == a->height);
@@ -90,8 +90,8 @@ static void get_mse(int mse[4], const AVFrame *a, const AVFrame *b, int comps)
const int is_chroma = p == 1 || p == 2;
const int stride_a = a->linesize[p];
const int stride_b = b->linesize[p];
const int w = (a->width + is_chroma) >> is_chroma;
const int h = (a->height + is_chroma) >> is_chroma;
const int w = a->width;
const int h = a->height;
uint64_t sum = 0;
if (comps & (1 << p)) {
@@ -499,7 +499,7 @@ bad_option:
goto error;
ref->width = opts.w;
ref->height = opts.h;
ref->format = AV_PIX_FMT_YUVA420P;
ref->format = AV_PIX_FMT_YUVA444P;
if (sws_scale_frame(sws[0], ref, rgb) < 0)
goto error;