On Wed, 30 Oct 2019 at 05:40, Ted Park <kumowoon1...@gmail.com> wrote:
> > Does it write the video codec tag per frame, etc? > Not even, It’s per sample, iirc, but > > I ask because I'm seeing some truly abnormal results with hevc_nvenc when > > the -tag:v hvc1 option is passed where the CPU load spikes up > significantly. > hvc1 is the one with codec params in the sample description box, so I > guess it’s parsing (basically decoding, as I’ve been told) the stream to > copy it to the header. (Or box, I should say, rather. And I’m not sure if > it also deletes them after, but I’m pretty sure there’s a separate bsf that > does that though.) > Hmm thanks, that second part may explain the spike in CPU load. > > _______________________________________________ ffmpeg-user mailing list email@example.com https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".