>Envoyé : vendredi 6 mai 2022 20:20 >À : [email protected] >Objet : [FFmpeg-user] Set MPEG-2 interlace flag without re-encoding > >I have an MPEG-2 video which is progressive but marked as interlaced, so video >players try to deinterlace it and ruin the quality. Is there a way to fix the >interlace flag without re-encoding the video and causing quality loss? > >Thanks, >Alex
In a general manner, I would say no. In case your content is exclusively frame-encoded, you might try to set the progressive_frame flag (currently, there is no bsf filter for that in ffmpeg) and hope your player take it into account: this is not absolutely impossible but far from obvious. Note that if you reencode, you might consider processing the chroma in between (convert to 4:2:2 back and forth) since the vertical sampling filtering is affected. Nicolas _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
