[FFmpeg-user] Problems encoding to DV25 .avi file
nichot20 at yahoo.com
Fri Mar 2 09:11:05 CET 2012
On 01/03/12 22:36, Andy Wodfer wrote:
> On Thu, Mar 1, 2012 at 12:51 PM, Andy Wodfer <wodfer at gmail.com> wrote:
>> I need some input on a problem I have.
>> I'm using the latest 0.10 version of ffmpeg compiled from source on a
>> FreeBSD 8.2 machine.
0.10 is not the latest, use git HEAD if you want that.
>> The source file is a Prores 422HQ file (1280x720 @ 50fps 720P).
>> I want to make this into a DV25 .avi file that is playable in Windows
>> Media Player and that will work in Ie. Adobe Premiere Pro 2.0 on a WinXP
>> machine. Ie: A Windows compatible DV25 file.
>> I've tried several options, but I can't make it work.
>> "-target pal-dv" gives me a file that plays fine in VLC player, but not in
>> Windows Media Player. Adobe Premiere reports unsupported format and won't
>> import it.
>> "-vcodec dvvideo -s 720x576 -pix_fmt yuv420p -r 25 -acodec pcm_s16le -ac
>> 2 -ar 48000" works if I choose .mov as a container. It opens in Quicktime
>> and VLC and import to Adobe Premiere works fine. Aspect ratio is also fine.
>> If I change the container to .avi it won't play back in Windows Media
> I seem to be making some progress with these parameters:
> -vcodec dvvideo -s 720x576 -vtag dvsd -pix_fmt yuv420p -r 25 -f avi -acodec
> pcm_s16le -ac 2 -ar 4
> However, when playing back in WMP (which finally works) the 16x9 image is
> squeezed into a 4x3 frame.
> I need to make my parameters flexible so they can take either 4x3 or 16x9
> and keep the aspect ratio on the output files, even if it's 16x9 HD
> downscaled to PAL DV.
You may need to use the setdar filter to force the display aspect ratio.
I'm not sure if WMP recognises this setting in AVI's. Première Pro seems to be
OK with it.
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