<div dir="ltr"><div class="gmail_default" style="font-size:small">Cursory test results - there is a difference between 601ntsc and 601pal but not sure what it is. My poor eyes do not see a difference but ydiff does as in, for example:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">84480 -47651 102207 1.209837 1684<br>84480 -48210 104558 1.237666 1685<br>84480 -49645 105447 1.248189 1686<br>84480 -49654 108066 1.279190 1687<br>84480 -49677 107739 1.275320 1688<br>84480 -52184 110310 1.305753 1689<br>84480 -49910 113198 1.339938 1690<br>84480 -47662 112548 1.332244 1691<br>84480 -48872 115812 1.370881 1692<br>84480 -48576 117170 1.386955 1693<br>84480 -50510 116738 1.381842 1694</div><div class="gmail_default" style="font-size:small">...</div><div class="gmail_default" style="font-size:small">84480 -1750 1766 0.020904 2706<br>84480 -1767 1795 0.021248 2707<br>84480 -1569 1593 0.018857 2708<br>84480 -516 516 0.006108 2709<br>84480 0 0 0.000000 2710<br>84480 0 0 0.000000 2711<br>84480 0 0 0.000000 2712<br>84480 0 0 0.000000 2713<br><br>-168860741 406941285<br></div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Manual says: "The ydiff output is debug data with lines that show frame size in bytes,<br>sum of error, and sum of absolute value of error. The frames size is sort of useless,<br>the sum of error shows frame gray point drift and the abs error is the total linear<br>color error between the images. At the very end is the total gray point drift and<br>total absolute error on the last line."<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jul 12, 2021 at 2:26 PM Andrew Randrianasulu via Cin <<a href="mailto:cin@lists.cinelerra-gg.org">cin@lists.cinelerra-gg.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">According to<div><br></div><div><a href="https://kdenlive.org/en/project/color-hell-ffmpeg-transcoding-and-preserving-bt-601/" target="_blank">https://kdenlive.org/en/project/color-hell-ffmpeg-transcoding-and-preserving-bt-601/</a></div><div><br></div><div>bt 601 pal and bt 601 ntsc are slightly different, I tried to update CinGG's definitions so now she have two distinct 601 colorspaces, but I still can be wrong (esp on kr, kb coeffecients) </div><div><br></div><div>can anyone test patch 3 and see if it makes any positive difference? </div><div><br></div><div><br></div>
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