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avcodec/tests/dct: Add peak mean error check

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based on quotes of IEEE 1180 / ISO/IEC 23002-1

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-07-09 03:10:51 +02:00
parent 4116b2b136
commit 86cbffdc4d
1 changed files with 2 additions and 0 deletions
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libavcodec/tests/dct.c
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@ -244,6 +244,8 @@ static int dct_error(const struct algo *dct, int test, int is_idct, int speed, c
ome = (double) err_sum / NB_ITS / 64;
spec_err = is_idct && (err_inf > 1 || omse > 0.02 || fabs(ome) > 0.0015);
if (test < 2)
spec_err = is_idct && ((double) sysErrMax / NB_ITS > 0.015);
printf("%s %s: max_err=%d omse=%0.8f ome=%0.8f syserr=%0.8f maxout=%d blockSumErr=%d\n",
is_idct ? "IDCT" : "DCT", dct->name, err_inf,