Date: Tue, 2 Sep 2003 18:37:09 +0200 From: Steve O'Hara-Smith <steve@sohara.org> To: sugiura@kt.rim.or.jp (Sugiura Shiro) Cc: freebsd-multimedia@freebsd.org Subject: Re: How to make high quality MPEG4 video Message-ID: <20030902183709.7534858c.steve@sohara.org> In-Reply-To: <200309021525.AAA26452@mail4.rim.or.jp> References: <20030901201341.1e6ff86d.steve@sohara.org> <200309021525.AAA26452@mail4.rim.or.jp>
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On Wed, 3 Sep 2003 00:25:27 +0900 (JST)
sugiura@kt.rim.or.jp (Sugiura Shiro) wrote:
SS> Thank you.
You're welcome.
SS> I tried to direct encode a sportscast like following:
SS>
SS> % ffmpeg -s 640x480 -tvstd ntsc -vcodec mpeg4 -b 2000 -acodec mp3 -ac
SS> 2 \
SS> -ab 128 -f avi TV.avi
SS>
SS> It uses about 30% CPU on average.
That seems too low. What version of FreeBSD are you running ?
There was an update merged to stable on 17 June this year that fixed a
nasty problem with the bktr sync signalling at full resolution YUV.
SS> Audio stream is OK, but Video stream playbacks 2-3X speed, like
SS> Charles
SS> Chaplin movies.
That could also be caused by not having the up to date bktr code.
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