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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Dear ffmpeg-libav-group,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I am trying to convert the BigBugBunny-EXRs to AVI using this commandline:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>"C:\Program Files\ffmpeg\bin\ffmpeg-20140916-git-b76d613-win32-static.exe" -y -start_number 0001 -f image2 -r 50 -i I:\distribution.bbb3d.renderfarming.net\video\exr\right\scene0201_right1174_crop109\%04d.exr -loglevel debug -f avi -filter:v "crop=w=3840:h=2160:x=80:y=90,scale=3840:2160" -pix_fmt bgr24 -aspect 3840:2160 -c:v rawvideo -r 50 -an -sn -threads 0 "I:\distribution.bbb3d.renderfarming.net\video\avi\right\scene0201_right1174_crop109.avi" <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>(individual cropping for each scene-directory)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Works quite well, but I get false-colors in dark areas (see PNG and LOG attached).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>It doesn’t seem to change no matter if I use “out_color_matrix=bt709” or not. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>It looks like an Bug in the EXR-Reader of ffmpeg or at least an incompatibility compared to the EXR-Decoding of Blender.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>When I play the same EXRs in DJV-Player, all colours seem to be correct:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://djv.sourceforge.net/">http://djv.sourceforge.net/</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>If you have any suggestions or a workaround (image magic?), I would be happy for comments.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Martin.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>Von:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Martin Schmalohr [mailto:schmalohr@irt.de] <br><b>Gesendet:</b> Donnerstag, 17. </span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>Juli 2014 09:29<br><b>An:</b> 'Janus'<br><b>Betreff:</b> AW: AW: AW: AW: AW: Big Buck Bunny, Rendering for Encodingtests (UHD, 4K, High Framerate)<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cool, thanks for the quick reply!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>(when we have some encodings online in a few weeks, I will send you the URLs, if you are interested. We should have no problem with traffic-costs, as we can make use of Akamai-CDN…)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>Von:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Janus [<a href="mailto:jbk@visualgroup.dk">mailto:jbk@visualgroup.dk</a>] <br><b>Gesendet:</b> Mittwoch, 16. </span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>Juli 2014 19:03<br><b>An:</b> </span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'><a href="mailto:schmalohr@irt.de"><span lang=EN-US>schmalohr@irt.de</span></a></span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'><br><b>Cc:</b> 'Julius Tuomisto'; </span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'><a href="mailto:siepe@irt.de"><span lang=EN-US>siepe@irt.de</span></a></span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>; </span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'><a href="mailto:vogl@irt.de"><span lang=EN-US>vogl@irt.de</span></a></span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'><br><b>Betreff:</b> Re: AW: AW: AW: AW: Big Buck Bunny, Rendering for Encodingtests (UHD, 4K, High Framerate)<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US>1126, 1127, 1228 are not actually part of the movie. They are included in the archive as easter eggs:<br></span><a href="http://burp.renderfarming.net/session.php?id=1126"><span lang=EN-US>http://burp.renderfarming.net/session.php?id=1126</span></a><span lang=EN-US><br><br>-- J<br><br><br>On 16-07-2014 13:32, Martin Schmalohr wrote:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Janus,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>after recognizing, that the BBB 4k 60fps was finished already End of 2013 (we did also contribute a bit to the rendering), I decided to get the EXRs and build an uncompressed AVI as coding-source for my open test-repository:</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://av-standard.irt.de/wiki/index.php/Referenzclips">http://av-standard.irt.de/wiki/index.php/Referenzclips</a></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>(there will come another section with the BBB encodings)</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>When converting the EXRs to ffmpeg (to 50p timebase), I found <span style='background:yellow;mso-highlight:yellow'>problems with the following folders: 1126, 1127, 1128</span></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>All other folders converted to AVI with no errors.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>FFMPEG says:</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[exr @ 0282fc60] Wrong magic number 1196314761.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[image2 @ 0283f5a0] Probe buffer size limit of 5000000 bytes reached</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[image2 @ 0283f5a0] decoding for stream 0 failed</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>[image2 @ 0283f5a0] <span style='background:yellow;mso-highlight:yellow'>Could not find codec parameters for stream 0 (Video: exr): unspecified size</span></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Please find attached my logs (failed 1126, 1127, 1128) and as example (ok 1129).</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;background:yellow;mso-highlight:yellow'>Could you give me a hint, if the EXRs are broken, or if I should change my ffmpeg commandline?!</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>"C:\Program Files\ffmpeg\bin\ffmpeg-20140623-git-ca35037-win32-static.exe" -y -start_number 0001 -f image2 -r 50 -i H:\distribution.bbb3d.renderfarming.net\video\exr\1129\%04d.exr -loglevel debug -f avi -filter:v "crop=iw-0:ih-0:0:0,scale=1280:720" -pix_fmt yuv420p -aspect 1280:720 -c:v rawvideo -r 50 -an -sn -threads 0 "G:\BigBugBunny_1129_ffmpeg.avi" </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks & Regards,</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Martin.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>Von:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Martin Schmalohr [<a href="mailto:schmalohr@irt.de">mailto:schmalohr@irt.de</a>] <br><b>Gesendet:</b> Mittwoch, 21. </span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>August 2013 10:26<br><b>An:</b> Janus<br><b>Betreff:</b> Re: AW: AW: AW: Big Buck Bunny, Rendering for Encodingtests (UHD, 4K, High Framerate)</span><span lang=EN-US><o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US>ok, thanks!<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>I have few people running the boinc-client and helping the burp-rendering now at my institute.i think we are rank 30...but this cpu goes to all burp-projects, not only bbb as far as i understand.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>so much for now.best regards.martin.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><br><br></span>Martin Schmalohr unterwegs...<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>Am 20.08.2013 um 20:08 schrieb Janus <<a href="mailto:jbk@visualgroup.dk">jbk@visualgroup.dk</a>>:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>The sound is 48KHz if I recall correctly, so depending on your output sample rate there are limits to how much you can resample it without losing quality... but yeah sure, for testing it probably wont matter much unless what you are testing is the sound.<br><br><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Can you say, when you think, the 4k/60Hz-Version will be available?</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Unfortunately no, the computing power is based on people volunteering and for me it is a spare time project. It is done when it is done. We are at more than 95% now. It will take a little while to make the data available on the web too.<br><br>-- Janus<br><br><br>Den 20-08-2013 11:24, Martin Schmalohr skrev:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Allright – thanks!</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I think, we will try a „50Hz-Slowdown“ (AviSynth: AssumeFPS 50) and make a Pitch-corrected Audio-Resampling from the 4K/60Hz-Footage.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>That makes 12mins normal Playtime out of 10mins. This may not be ideal from an artistical Point of View, but it should work perfectly for Device-testing-purposes.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Can you say, when you think, the 4k/60Hz-Version will be available?</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Just for our Information: We already connected a some CPU-Power to BURP using BOINC… </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards,</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Martin.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>Von:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Janus [</span><a href="mailto:jbk@visualgroup.dk"><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>mailto:jbk@visualgroup.dk</span></a><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>] <br><b>Gesendet:</b> Montag, 19. </span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>August 2013 18:00<br><b>An:</b> </span><a href="mailto:schmalohr@irt.de"><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>schmalohr@irt.de</span></a><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'><br><b>Cc:</b> 'Ton Roosendaal'; 'Julius Tuomisto'; </span><a href="mailto:siepe@irt.de"><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>siepe@irt.de</span></a><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>; </span><a href="mailto:laabs@irt.de"><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>laabs@irt.de</span></a><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>; </span><a href="mailto:driesnack@irt.de"><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>driesnack@irt.de</span></a><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>; </span><a href="mailto:vogl@irt.de"><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>vogl@irt.de</span></a><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>; 'Franz Baumann'; </span><a href="mailto:neudel@irt.de"><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>neudel@irt.de</span></a><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'><br><b>Betreff:</b> Re: AW: AW: Big Buck Bunny, Rendering for Encodingtests (UHD, 4K, High Framerate)</span><span lang=EN-US><o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal>Den 19-08-2013 11:50, Martin Schmalohr skrev:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre>Hi Janus,<o:p></o:p></pre><pre> <o:p></o:p></pre><pre><span lang=EN-US>You said, one of the "downscale" of the intermediary HFR 4K raw files as<o:p></o:p></span></pre><pre><span lang=EN-US>final output is 4K 60Hz. Is the intermediary HFR different from 60fps?<o:p></o:p></span></pre><pre><span lang=EN-US>I assume, that the stereo Audio-Rendering could be replaced by the 5.1<o:p></o:p></span></pre><pre><span lang=EN-US>Channels, with that you have on the BBB-Webpage (e.g. as Dolby-Stream) -<o:p></o:p></span></pre><pre><span lang=EN-US>staying in AV-Sync.<o:p></o:p></span></pre><pre><span lang=EN-US> <o:p></o:p></span></pre></blockquote><p class=MsoNormal><span lang=EN-US>Sorry, that would be "stereoscopic". The intermediary format is two half-float EXRs around +4000x2250 pixels each for left and right eyes in 60 fps. The 4K "scaled down" version is simply the left eye scaled down and cropped to quad-full-HD</span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'> 3840×2160 in 60 fps.<br><br></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-- Janus</span><o:p></o:p></p></blockquote><p class=MsoNormal><span style='color:windowtext'> </span><o:p></o:p></p></div></blockquote></blockquote><p class=MsoNormal><o:p> </o:p></p></div></body></html>