Sorry, here’s the images again: > Westerbork_Film_6479.jpg (showing a frame count of 6739)
https://ibb.co/9qgvqzS > Westerbork_Film_2171.jpg: (showing a frame count of 2259) https://ibb.co/jWsSynJ __ PhD candidate at Filmuniversität Babelsberg, Germany latest publication: http://www.apparatusjournal.net/index.php/apparatus/article/view/223/515 new research project: VHH - Visual History of the Holocaust: Rethinking Curation in the Digital Age <https://ef.huji.ac.il/book/vhh-visual-history-holocaust-rethinking-curation-digital-age> currently working for Ludwig Boltzmann Institute for Digital History (LBIDH) <https://geschichte.lbg.ac.at/team/fabian-schmidt>and Filmuniversität Babelsberg KONRAD WOLF upcoming research project: DFG-Filmikonen <https://www.filmuniversitaet.de/filmuni/aktuelles/news/artikel/detail/filmbilder-aus-der-nazizeit-im-fokus> filmproject: Atrocity Film <http://blog.atrocityfilm.com/> IMDB <https://www.imdb.com/name/nm1144289/> Fabian Schmidt Husemannstr. 12 10435 Berlin 0049 0172 3256513 > On 5. Jun 2021, at 09:43, Fabian Schmidt <fabian.schm...@filmuniversitaet.de> > wrote: > > Dear Mailing list peers! > > I am currently using ffmpeg in order to produce screenshots of each new scene > in archival footage. The name of the screenshot is supposed to include the > framcount and I want to make a screenshot 3 frames after the cut so my > commandline looks like this: > > ffmpeg -i WESTERBORK_2019_progres.mov -filter:v > "select=if(gt(scene\,0.13)\,st(1\,n)-n\,if(ld(1)\,eq(n\,ld(1)+3))),showinfo" > -vsync vfr Westerbork_Film_%05d.jpg > > Even though this worked the last two films with my current material I get a > stange output. The timecode in the name is roughly 4% higher that the one I > burnt in to the videofile (for orientation). Examples: > > > Westerbork_Film_6479.jpg: > > > > Westerbork_Film_2157.jpg: > > > This happens with every version (I remuxed the file in mkv toolnix and speded > it down to 16 fps and to 25fps) I made. So, even though I doubt it will help, > here’s the media info of the file. It’s a silent film; the file is an export > from Davinci resolve where I added the frame count: > > > General > Complete name : WESTERBORK_2019_progres.mov > Format : MPEG-4 > Format profile : QuickTime > Codec ID : qt 0000.02 (qt ) > File size : 8.90 GiB > Duration : 1 h 12 min > Overall bit rate mode : Variable > Overall bit rate : 17.6 Mb/s > Encoded date : UTC 2021-06-04 18:51:26 > Tagged date : UTC 2021-06-04 18:51:26 > Writing application : Blackmagic Design DaVinci Resolve > > Video > ID : 1 > Format : AVC > Format/Info : Advanced Video Codec > Format profile : High@L4 > Format settings : CABAC / 2 Ref Frames > Format settings, CABAC : Yes > Format settings, Reference frames : 2 frames > Codec ID : avc1 > Codec ID/Info : Advanced Video Coding > Duration : 1 h 12 min > Bit rate mode : Variable > Bit rate : 17.3 Mb/s > Maximum bit rate : 768 kb/s > Width : 1 920 pixels > Height : 1 080 pixels > Display aspect ratio : 16:9 > Frame rate mode : Constant > Frame rate : 25.000 FPS > Color space : YUV > Chroma subsampling : 4:2:0 > Bit depth : 8 bits > Scan type : Progressive > Bits/(Pixel*Frame) : 0.333 > Stream size : 8.74 GiB (98%) > Encoded date : UTC 2021-06-04 18:51:26 > Tagged date : UTC 2021-06-04 18:51:26 > Color range : Limited > Color primaries : BT.709 > Matrix coefficients : BT.709 > Codec configuration box : avcC > > Audio > ID : 2 > Format : AAC LC > Format/Info : Advanced Audio Codec Low Complexity > Codec ID : mp4a-40-2 > Duration : 1 h 12 min > Bit rate mode : Constant > Bit rate : 320 kb/s > Channel(s) : 2 channels > Channel layout : L R > Sampling rate : 48.0 kHz > Frame rate : 46.875 FPS (1024 SPF) > Compression mode : Lossy > Stream size : 166 MiB (2%) > Default : Yes > Alternate group : 1 > Encoded date : UTC 2021-06-04 18:51:26 > Tagged date : UTC 2021-06-04 18:51:26 > > Other > ID : 3 > Type : Time code > Format : QuickTime TC > Duration : 1 h 12 min > Frame rate : 25.000 FPS > Time code of first frame : 01:00:00:00 > Time code, striped : Yes > Language : English > Default : No > Encoded date : UTC 2021-06-04 18:51:26 > Tagged date : UTC 2021-06-04 18:51:26 > > > Looking forward to hear any tips or comments. Also one more question to the > experts: Sometimes ffmepg puts out the frame count in the name with 000 in > front and sometimes not. I guess it has something to do with the %05d or %d > in the end. Where can I find an explanation how this works? > > Kind regards > Fabian > > __ > > PhD candidate at Filmuniversität Babelsberg, Germany > > latest publication: > http://www.apparatusjournal.net/index.php/apparatus/article/view/223/515 > > new research project: VHH - Visual History of the Holocaust: Rethinking > Curation in the Digital Age > <https://ef.huji.ac.il/book/vhh-visual-history-holocaust-rethinking-curation-digital-age> > currently working for Ludwig Boltzmann Institute for Digital History (LBIDH) > <https://geschichte.lbg.ac.at/team/fabian-schmidt>and Filmuniversität > Babelsberg KONRAD WOLF > upcoming research project: DFG-Filmikonen > <https://www.filmuniversitaet.de/filmuni/aktuelles/news/artikel/detail/filmbilder-aus-der-nazizeit-im-fokus> > filmproject: Atrocity Film <http://blog.atrocityfilm.com/> > IMDB <https://www.imdb.com/name/nm1144289/> > > > Fabian Schmidt > Husemannstr. 12 > 10435 Berlin > 0049 0172 3256513 > > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
