Re: [FFmpeg-user] intel hd4000 h264 encoding with vaapi for quicktime - yuv420p possible?

2020-02-28 Thread Kevin Smallman
just change the -aspect and don't transcode... On Thu, 27 Feb 2020 at 18:37, Kevin Smallman wrote: > > Thanks Carl, > > OK wil try that. > > On Thu, 27 Feb 2020 at 15:24, Carl Eugen Hoyos wrote: > > > > Am Do., 27. Feb. 2020 um 16:08 Uhr schrieb Kevin Smallman &

Re: [FFmpeg-user] intel hd4000 h264 encoding with vaapi for quicktime - yuv420p possible?

2020-02-27 Thread Kevin Smallman
Thanks Carl, OK wil try that. On Thu, 27 Feb 2020 at 15:24, Carl Eugen Hoyos wrote: > > Am Do., 27. Feb. 2020 um 16:08 Uhr schrieb Kevin Smallman > : > > > I can encode them successfully on my linux laptop with libx264 cpu > > encoding and -pix_fmt yuv420p option.

[FFmpeg-user] intel hd4000 h264 encoding with vaapi for quicktime - yuv420p possible?

2020-02-27 Thread Kevin Smallman
Hi there, I have an old powerpc mac that can play h264 mp4 files, but they seem to need to be in yuv420p pixel format so as not to get a black screen. I can encode them successfully on my linux laptop with libx264 cpu encoding and -pix_fmt yuv420p option. The cpu is ivybridge, so the gpu can do