Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

> On 8 Mar 2018, at 23:37, Mark Burton wrote: > > On 8 Mar 2018, at 22:29, Carl Eugen Hoyos > wrote: >> One possibility is that you run "git diff libavformat/movenc.h" to verify you >> have only changed this one value (this

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

On 8 Mar 2018, at 22:29, Carl Eugen Hoyos wrote: > One possibility is that you run "git diff libavformat/movenc.h" to verify you > have only changed this one value (this assumes you have originally done > "git clone" and not "curl..."), then run "git commit

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

2018-03-08 22:20 GMT+01:00, Mark Burton : > On 8 Mar 2018, at 17:21, Carl Eugen Hoyos wrote: >> You need a compiler, make and git. Iirc, all three are installed if you >> type something like "gcc -v" on the command line (but I assume they >> are now

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

On 8 Mar 2018, at 17:21, Carl Eugen Hoyos wrote: > You need a compiler, make and git. Iirc, all three are installed if you > type something like "gcc -v" on the command line (but I assume they > are now installed by brew). Thank you very much! That filled in a few blanks for

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

2018-03-08 18:21 GMT+01:00, Carl Eugen Hoyos : > 2018-03-08 17:58 GMT+01:00, Mark Burton : >> Thanks. I have managed to compile a usable ffmpeg using brew (I work >> exclusively on macOS), but I have not figured out how I would be able to >> edit the

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

2018-03-08 17:58 GMT+01:00, Mark Burton : > Thanks. I have managed to compile a usable ffmpeg using brew (I work > exclusively on macOS), but I have not figured out how I would be able to > edit the libavformat/movenc.h file before compiling using this method. It > seems I

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

On 8 Mar 2018, at 16:38, Carl Eugen Hoyos wrote: > 2018-03-08 15:57 GMT+01:00, Mark Burton : >> >> Understood. A better option would no doubt be the ability to specify this >> value in the same way we can specify the video_track_timescale value. > If it

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

2018-03-08 15:57 GMT+01:00, Mark Burton : > On 8 Mar 2018, at 11:03, Carl Eugen Hoyos wrote: >> It is zero as long as nobody confirms that this would fix the issue you >> see. > > Understood. A better option would no doubt be the ability to specify this >

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

On 8 Mar 2018, at 11:03, Carl Eugen Hoyos wrote: > It is zero as long as nobody confirms that this would fix the issue you see. Understood. A better option would no doubt be the ability to specify this value in the same way we can specify the video_track_timescale value.

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

2018-03-07 17:58 GMT+01:00, Mark Burton : > On 7 Mar 2018, at 00:45, Mark Burton wrote: >> Does it help if you edit MOV_TIMESCALE in libavformat/movenc.h? > > What are the chances that this value could be changed to a much > higher and more useful value?

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

On 7 Mar 2018, at 00:45, Mark Burton wrote: > Does it help if you edit MOV_TIMESCALE in libavformat/movenc.h? What are the chances that this value could be changed to a much higher and more useful value? Does anyone know why 1000 was chosen?

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

On 7 Mar 2018, at 00:24, Carl Eugen Hoyos wrote: > Could you elaborate a little? > What kind of issues? > > Does it help if you edit MOV_TIMESCALE in libavformat/movenc.h? The files are being used in software (Conformalizer) that seeks to specific points in the Quicktime

Re: [FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

2018-03-07 1:13 GMT+01:00, Mark Burton : > When I run my 24fps Quicktime mov files through an FFmpeg transcode they are > coming out with a Movie Header timescale of 1000, when the source file has a > timescale of 24000. This low timescale value is causing issues in some >

[FFmpeg-user] Quicktime - Specify a Movie Header timescale of 24000

When I run my 24fps Quicktime mov files through an FFmpeg transcode they are coming out with a Movie Header timescale of 1000, when the source file has a timescale of 24000. This low timescale value is causing issues in some professional software tools when seeking the file. In my case the