Hello, > On Aug 16, 2018, at 6:52 AM, [email protected] wrote: > > From: Kieran Kunhya <[email protected]> > > --- > This is also useful when CC is fully contained in the first field.
FWIW: I’ve been running a variant of this this patch for a while now. It’s needed for PAFF formatted H.264 streams (i.e. slices which are sent as individual fields rather than frames), and without it those streams will not render EIA-708 captions properly. It typically doesn’t happen with H.264 streams created by ffmpeg because libx264 only supports MBAFF encoding, but it does occur with a number of commercial hardware encoders I’ve worked with. We can debate the mechanics of how the buffers are referenced (which is why I believe it wasn’t merged last year), but I can say that this is a very real problem and at least this patch results in those streams playing properly. Cheers, Devin --- Devin Heitmueller - LTN Global Communications [email protected] _______________________________________________ ffmpeg-devel mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
