From cd0e37d3b16c403d922857ffb7df35ed6e89e50d Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Sat, 29 Nov 2008 13:58:41 +0000 Subject: Replaces not the anymore valid -flags +trell option with -trellis 2. Originally committed as revision 15954 to svn://svn.ffmpeg.org/ffmpeg/trunk --- doc/faq.texi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'doc/faq.texi') diff --git a/doc/faq.texi b/doc/faq.texi index b76f4e755f..fa9e159062 100644 --- a/doc/faq.texi +++ b/doc/faq.texi @@ -231,7 +231,7 @@ default. @item non-working stuff B-frames @item example command line -ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X output.mp4 +ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +4mv -trellis 2 -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X output.mp4 @end table @section How do I encode videos which play on the PSP? @@ -244,7 +244,7 @@ ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags @item non-working stuff B-frames @item example command line -ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4 -b 1200kb -ar 24000 -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp output.mp4 +ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4 -b 1200kb -ar 24000 -mbd 2 -flags +4mv -trellis 2 -aic 2 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp output.mp4 @item needed stuff for H.264 -acodec libfaac -vcodec libx264 width*height<=76800 width%16=0? height%16=0? -ar 48000 -coder 1 -r 30000/1001 or 15000/1001 -f psp @item working stuff for H.264 @@ -261,12 +261,12 @@ ffmpeg -i input -acodec libfaac -ab 128kb -ac 2 -ar 48000 -vcodec libx264 -level @section Which are good parameters for encoding high quality MPEG-4? -'-mbd rd -flags +4mv+trell+aic -cmp 2 -subcmp 2 -g 300 -pass 1/2', +'-mbd rd -flags +4mv+aic -trellis 2 -cmp 2 -subcmp 2 -g 300 -pass 1/2', things to try: '-bf 2', '-flags qprd', '-flags mv0', '-flags skiprd'. @section Which are good parameters for encoding high quality MPEG-1/MPEG-2? -'-mbd rd -flags +trell -cmp 2 -subcmp 2 -g 100 -pass 1/2' +'-mbd rd -trellis 2 -cmp 2 -subcmp 2 -g 100 -pass 1/2' but beware the '-g 100' might cause problems with some decoders. Things to try: '-bf 2', '-flags qprd', '-flags mv0', '-flags skiprd. -- cgit v1.2.3