Re: [FFmpeg-user] ffmpeg crash when transcoding with vpp_qsv and pad filters

2019-03-13 Thread Li, Zhong
> From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of > qw > Sent: Wednesday, March 13, 2019 9:57 PM > To: ffmpeg-user@ffmpeg.org > Subject: [FFmpeg-user] ffmpeg crash when transcoding with vpp_qsv and > pad filters > > hi, > > > I use the following command, and ffmpeg 4.0

Re: [FFmpeg-user] Fast video to image conversion - QuickSync

2019-02-27 Thread Li, Zhong
> From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of > tikku > Sent: Thursday, February 28, 2019 2:40 PM > To: ffmpeg-user@ffmpeg.org > Subject: [FFmpeg-user] Fast video to image conversion - QuickSync > > I was trying out various flags to convert a video (eg. from rtsp

Re: [FFmpeg-user] Can I get hardware decode of WMV with qsv encode?

2018-08-03 Thread Li, Zhong
> From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of > Jason Coleman > Sent: Thursday, July 19, 2018 2:54 AM > To: ffmpeg-user@ffmpeg.org > Subject: [FFmpeg-user] Can I get hardware decode of WMV with qsv > encode? > > Hello, > > > I'm trying to figure out if I can use the

Re: [FFmpeg-user] how to build ffmpeg into one static program without any dependent dynamic library

2018-07-11 Thread Li, Zhong
> -Original Message- > From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of > Reindl Harald > Sent: Thursday, July 5, 2018 6:35 PM > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] how to build ffmpeg into one static program > without any dependent dynamic library

Re: [FFmpeg-user] Minimize CPU use with QuickSync?

2018-07-11 Thread Li, Zhong
; original line around as well, so that for the files I have problems with, I > can > switch back to the software decoder. If you find any clips can't be decoded by QSV decoder, please file a bug on https://trac.ffmpeg.org/ > > Thank you, that was very helpful! > > > >

Re: [FFmpeg-user] Minimize CPU use with QuickSync?

2018-07-05 Thread Li, Zhong
> -Original Message- > From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of > Jason Coleman > Sent: Friday, June 29, 2018 4:49 AM > To: ffmpeg-user@ffmpeg.org > Subject: [FFmpeg-user] Minimize CPU use with QuickSync? > > Hello, > > > I recently picked up a computer

Re: [FFmpeg-user] how to use Intel qsv codec for ffmpeg 4.0

2018-06-19 Thread Li, Zhong
Looks like qsv transcoding on system memory is broken. Would you please create a ticket on https://trac.ffmpeg.org/? And for you case, switching to full hardware path is benefit to performance. Try: ffmpeg -hwaccel qsv -vcodec h264_qsv -i input-file -acodec aac -ac 2 -b:a 48k -vcodec h264_qsv