[FFmpeg-devel] [PATCH] lavc/dxva2: add ffmpeg calling dxva2 APIs

weixuan wang batmanwwx at gmail.com
Wed Jul 24 03:03:22 CEST 2013


thanks for your help!

i changed imagefile.jpg to imagefile%03d.jpg and the command can be run
with the ffmpeg.


2013/7/23 Timothy Gu <timothygu99 at gmail.com>

> On Jul 22, 2013 6:29 PM, "weixuan wang" <batmanwwx at gmail.com> wrote:
>
> > *my command is:*
> > * ffmpeg -ss 0.5 -vcodec vc1_dxva2 -i test_vc1.wmv -t 1 -f image2
> > imagefile.jpg
> > but the ffmpeg throw a error message:*
> > *[image2 @ 0338fa60] Could not get frame filename number 2 from pattern
> > 'imagefil
> > e.jpg' (either set updatefirst or use a pattern like %03d within the
> > filename pa
> > ttern)
> > av_interleaved_write_frame(): Invalid argument*
>
> > *is my command right?*
>
> No. Change imagefile.jpg to imagefile%03d.jpg or something like that.
>
> Timothy
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