[FFmpeg-user] H264 1080i fast decoding

Andrey Aleksandrovich andrey.aleksandrovich at googlemail.com
Sun Jun 23 17:12:31 CEST 2013

"Before decoding"? - AFAIK, No.

On 6/23/13, Máté Ákos <mateakos at msn.com> wrote:
> Hi!
> Is it possible to drop top or bottom field of an H264 encoded 1080i video
> before decoding, to speed up the decoding process? I don't know, how are the
> streams of top and bottom fields encoded. But if they can be decoded
> independently, then it would be nice to decode just the top, or just the
> bottom field, to double the decoding speed.
> The goal is to produce raw 540p video from H264 encoded 1080i as fast as
> possible.
> Best regards!
> Akos 		 	   		
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