IT seems like adding the -vsync drop is recording all the time, is this a bad practices ?
On 2 March 2016 at 11:03, Christian Bianchini <[email protected]> wrote: > I have ran with log level and this is the result when it successfully > capture at 60 FPS: > > frame= 153 fps= 61 q=0.0 size= 51752kB time=00:00:02.33 > bitrate=181487.1kbits > dshow passing through packet of type video size 4147200 timestamp > 26343746 orig > timestamp 26078449 graph timestamp 26343718 diff 265269 Decklink Video > Capture > dshow passing through packet of type video size 4147200 timestamp > 26509532 orig > timestamp 26245282 graph timestamp 26509509 diff 264227 Decklink Video > Capture > ap > > This is when it fails > > > frame= 2 fps=0.0 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A > dup=0 dro > dshow passing through packet of type video size 4147200 timestamp > 7165437108888 > 73 orig timestamp 716543716327540 graph timestamp 716543710888873 diff > -5438667 > Decklink Video Capture > *** dropping frame 2 from stream 0 at ts 0 > dshow passing through packet of type video size 4147200 timestamp > 7165437108888 > 73 orig timestamp 716543716494373 graph timestamp 716543710888873 diff > -5605500 > Decklink Video Capture > *** dropping frame 2 from stream 0 at ts 0 > dshow passing through packet of type video size 4147200 timestamp > 7165437108888 > 73 orig timestamp 716543716661206 graph timestamp 716543710888873 diff > -5772333 > Decklink Video Capture > *** dropping frame 2 from stream 0 at ts 0 > dshow passing through packet of type video size 4147200 timestamp > 7165437108888 > 73 orig timestamp 716543716828040 graph timestamp 716543710888873 diff > -5939167 > Decklink Video Capture > > > Does it makes any sense? is this the capture card failure? > > > On 1 March 2016 at 19:53, Roger Pack <[email protected]> wrote: > >> On 3/1/16, Christian Bianchini <[email protected]> wrote: >> > I have got the ffmpeg version N-78598-g98a0053 and trying to capturing >> > from a Blackmagic card, which sometimes works and sometimes doesnt. >> > >> > ffmpeg.exe -y -f dshow -video_size 1920x1080 -pixel_format uyvy422 >> > -rtbufsize 2100 -framerate 59.94 -i "video=Decklink Video Capture" >> -codec:v >> > libx264 -preset ultrafast -an -crf 0 test.mkv >> > >> > The issue is a not recording at 60 FPS but at 0.. 2...1.3.....0.. and >> the >> > file doesnt get big. >> > >> > After I stop and restart the process, it captures at 60FPS without >> issues >> > and the video is great, but I dont get why I need to restart 3-4 times >> to >> > get the record working. >> > >> > >> > this the output that I get when it doesnt work: >> >> Appears to not be receiving input. If you wait awhile it never works? >> What if you add -loglevel verbose (to the failing runs)? >> Unfortunately nothing comes to mind... >> _______________________________________________ >> ffmpeg-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user >> > > > > -- > --------------------------- > Hardware & Software Developer > [email protected] <[email protected]> > www.max246.ch > -- --------------------------- Hardware & Software Developer [email protected] <[email protected]> www.max246.ch _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
