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Replaces not the anymore valid -flags +trell option with -trellis 2.
Originally committed as revision 15954 to svn://svn.ffmpeg.org/ffmpeg/trunktags/v0.5
Stefano Sabatini
16 years ago
1 changed files with 4 additions and 4 deletions
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+4 -4doc/faq.texi
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| @@ -231,7 +231,7 @@ default. | |||||
| @item non-working stuff | @item non-working stuff | ||||
| B-frames | B-frames | ||||
| @item example command line | @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 | @end table | ||||
| @section How do I encode videos which play on the PSP? | @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 | @item non-working stuff | ||||
| B-frames | B-frames | ||||
| @item example command line | @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 | @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 | -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 | @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? | @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'. | things to try: '-bf 2', '-flags qprd', '-flags mv0', '-flags skiprd'. | ||||
| @section Which are good parameters for encoding high quality MPEG-1/MPEG-2? | @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. | but beware the '-g 100' might cause problems with some decoders. | ||||
| Things to try: '-bf 2', '-flags qprd', '-flags mv0', '-flags skiprd. | Things to try: '-bf 2', '-flags qprd', '-flags mv0', '-flags skiprd. | ||||