On Friday, 25 June 2021 8:18:22 PM AEST you wrote: > On Friday, 25 June 2021 6:00:24 PM AEST Alan Johnson wrote: > > Is there anyway to add a h264 NAL (SEI Timecode) unit to an existing >>stream > > > without access libavcodec source (i.e. only linking against the DLL)? > > I don't think so. > > AFAICT, the H.264 encoders don't support SEI writing in any released > version. It should work in nvenc as of the next release. Others are a work > in progress. Ah, maybe I was too fast. What timecode do you want? SMPTE 12M should work in at least nvenc and x264.
What have you tried? Brad
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