On Thu, Jul 23, 2015 at 10:56 AM, Oscar Hou <[email protected]> wrote: > > > On 23 July 2015 at 00:40, Paul B Mahol <[email protected]> wrote: >> >> >> Dana 23. 7. 2015. 08:29 osoba "Oscar Hou" <[email protected]> napisala >> je: >> > >> > Hello, >> > >> > I was wondering if there was a way to encode directly from YUV420SP >> > (PIX_FMT_NV12) to MPEG4 without first converting the format to YUV420P? >> > Currently the conversion takes a too long to convert 1080p (~150ms per >> > frame) for me to stream at 30fps. I am attempting to stream the output to >> > VLC at 30fps but the frames are being dropped. >> > >> >> Do you have yasm disabled in your build? >>
Thats your reason then, the conversion is only optimized for x86. And no, there is no way to avoid the conversion, most encoders only accept YUV420P, and not NV12. - Hendrik _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
