keyint option.
11.8.1.3. Bitrate Constraints
VCD video is required to be CBR at 1152 kbps. This highly l... buffer size of 327 kilobits. SVCD allows varying video bitrates up to 2500 kbps, and a somewhat less res... e vbv buffer size of 917 kilobits is allowed. DVD video bitrates may range anywhere up to 9800 kbps (thou... playback the aspect ratio is used to restore the video to the correct size.
16:9 or "Widescreen"
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