Re: [FFmpeg-user] overlay with video offset not starting audio with same offset

2015-08-29 Thread Chad Horton
Thanks. Playing around with atrim and while the video processes, not only does the overlay video freeze in places (it¹s choppy), the audio is also off still. But I don¹t know if it¹s just an artifact of the video not processing correctly. I did notice that if I execute with offset 00:00:00.000 a

Re: [FFmpeg-user] Syncing stereo videos - what method?

2015-08-29 Thread Jesper Taxbøl
Thanx for your input. I did not know the -itsoffset flag. I think my problem was that I was trying to save the recoding via the copy class. What ended up working for me was this. /usr/local/bin/ffmpeg -y -loglevel panic -ss 1.161397 -i 3.mp4 -t 15 _3.mp4 I could not make the itsoffset flag do t

Re: [FFmpeg-user] Frame interpolation in FFmpeg

2015-08-29 Thread Robert Krüger
On Sat, Aug 29, 2015 at 5:17 PM, Hu,Dapeng wrote: > Hi guys: > > Can any FFmpeg experts tell me if FFmpeg can do any sophisticated frame > interpolation? If so, what would be some suggested settings to try? > I am developing a media player based on FFmpeg and want to improve smooth > through fram

[FFmpeg-user] Frame interpolation in FFmpeg

2015-08-29 Thread Hu,Dapeng
Hi guys: Can any FFmpeg experts tell me if FFmpeg can do any sophisticated frame interpolation? If so, what would be some suggested settings to try? I am developing a media player based on FFmpeg and want to improve smooth through frame interpolation. -- Damon Hu Email: hudap...@baidu.com

[FFmpeg-user] Stats

2015-08-29 Thread Marc Camacho Cateura
Hi! Is there a way to extract stats of encoding and decoding video into csv or similar format? I want to do several graphics to compare efficientcy in my project, but I don't know how to do... Thank you all ___ ffmpeg-user mailing list ffmpeg-user@ffmpe

Re: [FFmpeg-user] overlay with video offset not starting audio with same offset

2015-08-29 Thread Paul B Mahol
On 8/29/15, Chad Horton wrote: > I didn't provide my attempts because I was randomly throwing adelay and then > atrim into my command and nothing worked. My hope is that someone could > show me how to do it properly with my current command and adding in the > atrim and/or adelay filter. This wo

Re: [FFmpeg-user] [FFmpeg-devel] ffplay buffer

2015-08-29 Thread Marton Balint
On Fri, 28 Aug 2015, Dan Gordon wrote: I’m working on a frame accurate stream switch. My current iteration is using vapoursynth to serve frames to ffplay. I have the vapoursynth script set up to take a keyboard input and then change to stream without skipping forward to the next iframe. There

Re: [FFmpeg-user] overlay with video offset not starting audio with same offset

2015-08-29 Thread Chad Horton
I didn't provide my attempts because I was randomly throwing adelay and then atrim into my command and nothing worked. My hope is that someone could show me how to do it properly with my current command and adding in the atrim and/or adelay filter. > On Aug 29, 2015, at 4:55 AM, Moritz B

Re: [FFmpeg-user] Syncing stereo videos - what method?

2015-08-29 Thread Carl Eugen Hoyos
Jesper Taxbøl taxboel.dk> writes: > I am trying to sync two videos recorded > simultaniously from a stereo setup. This should work with -itsoffset and specifying the input file twice, something like (untested): $ ffmpeg -i A.mp4 -itsoffset 0.75 -i A.mp4 -map 0:0 -map 1:1 -codec copy out.mp4

Re: [FFmpeg-user] overlay with video offset not starting audio with same offset

2015-08-29 Thread Moritz Barsnick
On Fri, Aug 28, 2015 at 23:03:10 +, Chad Horton wrote: > I¹ve tried adding it in various places, each throwing errors. You're neither telling us what you tried nor what the errors were? Good luck getting help. ;-) SCNR, Moritz P.S.: I hadn't understood the original problem fully, so I haven'