Re: [FFmpeg-user] 60 FPS timecode problem

2016-05-15 Thread Wayne Poll
-Original Message- >But there is an oddity with the time code where it adds 1.8 seconds at the >start of the newly transcoded file for every hour on the initial time code. Sounds like a Drop Frame - Non-Drop Frame issue to me. I'm pretty sure the difference between DF and NDF is about 2

Re: [FFmpeg-user] one question about multiple stream in single file

2016-05-14 Thread Wayne Poll
>-Original Message- >From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of qw >Sent: Friday, 13 May 2016 23:59 >To: FFmpeg user questions >Subject: Re: [FFmpeg-user] one question about multiple stream in single file >Hi Moritz, >I'll appreciate if you can show me some

Re: [FFmpeg-user] Convert to: Apple PRO RES 422 (HQ)

2017-12-25 Thread Wayne Poll
On 24/12/2017, at 03:09, saeed vayghani > wrote: Hello guys, Our problem is about to converting videos to apple quick time format. The difficult part is matching output with apple recommended specification.

Re: [FFmpeg-user] Convert images to DNXHD 444

2018-04-11 Thread Wayne Poll
> There is also an image http://elmtreecottages.co.uk/Charts.jpg which > shows a screen example of the difference. (ffmpeg on the left) The > quicktime version is, to me, indistinguishable from the source tiff in > terms of colour. The ffmpeg version is less saturated and a bit "milky". I > have

Re: [FFmpeg-user] Convert images to DNXHD 444

2018-04-09 Thread Wayne Poll
r 10-bit 4:4:4 RGB @ 23.98fps. The DNxHD 440 (8-bit) and DNxHD 440x (10-bit) are only valid at higher frame rates, such as 29.97p, 59.94p and 60p Wayne Poll > > -Original Message- > From: Gonzalo Garramuño > Sent: Monday, April 9, 2018 6:44 PM > To: Matt Kitcat ;

Re: [FFmpeg-user] Convert images to DNXHD 444

2018-04-09 Thread Wayne Poll
mented in ffmpeg - not sure). Wayne... > > -----Original Message- > From: Wayne Poll > Sent: Monday, April 9, 2018 10:08 PM > To: FFmpeg user questions > Subject: Re: [FFmpeg-user] Convert images to DNXHD 444 > > -Original Message- > From: ffmpeg-user [mailto:ffmpeg-user-

Re: [FFmpeg-user] frame rate change w/o changing frames

2020-01-08 Thread Wayne Poll
>I have a video from a GoPro Hero8. It was recorded at 29.97 fps. I would like >to speed up this video. I figure it would be nice to simply increase the frame >rate to 60 fps, so a x2.002 speed-up. > >Can this be done without re-encoding the video? I tried: >ffmpeg -r 60 -i in.mp4 -c:v copy -c:a