[FFmpeg-cvslog] avcodec/tests/dct: Add peak mean error check

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sun Jul  9 03:10:51 2017 +0200| [86cbffdc4db268bab0d798dca1e30dc46606dad0] | committer: Michael Niedermayer

avcodec/tests/dct: Add peak mean error check

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

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=86cbffdc4db268bab0d798dca1e30dc46606dad0
---

 libavcodec/tests/dct.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/tests/dct.c b/libavcodec/tests/dct.c
index 29af3fea8a..cf71b96508 100644
--- a/libavcodec/tests/dct.c
+++ b/libavcodec/tests/dct.c
@@ -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,