libswscale/tests: add floatimg_cmp test

changes since v1:
- made into fate test
- fixed c90 warnings
- tests more intermediate formats
- tested on BE mips too

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2 files changed, 124 insertions, 0 deletions

diff --git a/tests/fate/libswscale.mak b/tests/fate/libswscale.mak
index 68eb159fec..5ec5f34cc4 100644
--- a/tests/fate/libswscale.mak
+++ b/tests/fate/libswscale.mak
@@ -2,6 +2,10 @@ FATE_LIBSWSCALE += fate-sws-pixdesc-query
 fate-sws-pixdesc-query: libswscale/tests/pixdesc_query$(EXESUF)
 fate-sws-pixdesc-query: CMD = run libswscale/tests/pixdesc_query$(EXESUF)
 
+FATE_LIBSWSCALE += fate-sws-floatimg-cmp
+fate-sws-floatimg-cmp: libswscale/tests/floatimg_cmp$(EXESUF)
+fate-sws-floatimg-cmp: CMD = run libswscale/tests/floatimg_cmp$(EXESUF)
+
 FATE_LIBSWSCALE += $(FATE_LIBSWSCALE-yes)
 FATE-$(CONFIG_SWSCALE) += $(FATE_LIBSWSCALE)
 fate-libswscale: $(FATE_LIBSWSCALE)
diff --git a/tests/ref/fate/sws-floatimg-cmp b/tests/ref/fate/sws-floatimg-cmp
new file mode 100644
index 0000000000..24204254c4
--- /dev/null
+++ b/tests/ref/fate/sws-floatimg-cmp
@@ -0,0 +1,120 @@
+gbrpf32le -> yuv444p16le -> gbrpf32le
+avg diff: 0.003852
+min diff: 0.000000
+max diff: 0.006638
+gbrpf32le -> yuv444p -> gbrpf32le
+avg diff: 0.004316
+min diff: 0.000000
+max diff: 0.012704
+gbrpf32le -> yuv444p9le -> gbrpf32le
+avg diff: 0.004053
+min diff: 0.000001
+max diff: 0.009402
+gbrpf32le -> yuv444p10le -> gbrpf32le
+avg diff: 0.003960
+min diff: 0.000000
+max diff: 0.008123
+gbrpf32le -> yuv444p12le -> gbrpf32le
+avg diff: 0.003878
+min diff: 0.000000
+max diff: 0.007011
+gbrpf32le -> yuv444p14le -> gbrpf32le
+avg diff: 0.003868
+min diff: 0.000000
+max diff: 0.006729
+gbrpf32le -> rgb24 -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> bgr24 -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> rgba -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> bgra -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> argb -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> abgr -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> 0rgb -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> 0bgr -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> rgb0 -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> bgr0 -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> rgb48le -> gbrpf32le
+avg diff: 0.003851
+min diff: 0.000000
+max diff: 0.007076
+gbrpf32le -> bgr48le -> gbrpf32le
+avg diff: 0.003851
+min diff: 0.000000
+max diff: 0.007076
+gbrpf32le -> rgba64le -> gbrpf32le
+avg diff: 0.003851
+min diff: 0.000000
+max diff: 0.007076
+gbrpf32le -> bgra64le -> gbrpf32le
+avg diff: 0.003851
+min diff: 0.000000
+max diff: 0.007076
+gbrpf32le -> gbrp -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> gbrap -> gbrpf32le
+avg diff: 0.004122
+min diff: 0.000000
+max diff: 0.008975
+gbrpf32le -> gbrp9le -> gbrpf32le
+avg diff: 0.007737
+min diff: 0.000000
+max diff: 0.014009
+gbrpf32le -> gbrp10le -> gbrpf32le
+avg diff: 0.007662
+min diff: 0.000000
+max diff: 0.013605
+gbrpf32le -> gbrap10le -> gbrpf32le
+avg diff: 0.007662
+min diff: 0.000000
+max diff: 0.013605
+gbrpf32le -> gbrp12le -> gbrpf32le
+avg diff: 0.007622
+min diff: 0.000000
+max diff: 0.013335
+gbrpf32le -> gbrap12le -> gbrpf32le
+avg diff: 0.007622
+min diff: 0.000000
+max diff: 0.013335
+gbrpf32le -> gbrp14le -> gbrpf32le
+avg diff: 0.007620
+min diff: 0.000000
+max diff: 0.013232
+gbrpf32le -> gbrp16le -> gbrpf32le
+avg diff: 0.007680
+min diff: 0.000000
+max diff: 0.013275
+gbrpf32le -> gbrap16le -> gbrpf32le
+avg diff: 0.007680
+min diff: 0.000000
+max diff: 0.013275