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libremedia
Tethys
FFmpeg
Commits
16ab894e
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16ab894e
authored
18 years ago
by
Diego Biurrun
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Originally committed as revision 7530 to
svn://svn.ffmpeg.org/ffmpeg/trunk
parent
0d80bd2f
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16ab894e
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@@ -195,22 +195,21 @@ CAVLC
ffmpeg -i input -acodec aac -ab 128 -vcodec h264 -b 1200kb -ar 48000 -mbd 2 -coder 1 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp -flags loop -trellis 2 -partitions parti4x4+parti8x8+partp4x4+partp8x8+partb8x8 output.mp4
@end table
@section Which are good parameters for encoding high quality MPEG4?
@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
things to try: -bf 2, -flags qprd, -flags mv0, -flags skiprd
'
-mbd rd -flags +4mv+trell+aic -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 MPEG1/MPEG2?
@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
but beware the -g 100 might cause problems with some decoders
t
hings to try: -bf 2, -flags qprd, -flags mv0, -flags skiprd
'
-mbd rd -flags +trell -cmp 2 -subcmp 2 -g 100 -pass 1/2
'
but beware the
'
-g 100
'
might cause problems with some decoders
.
T
hings to try:
'
-bf 2
'
,
'
-flags qprd
'
,
'
-flags mv0
'
,
'
-flags skiprd
.
@section Interlaced video looks very bad when encoded with ffmpeg, whats wrong?
You should use -flags +ilme+ildct and maybe -flags +alt for interlaced
material, and try -top 0/1 if the result looks really trashed
You should use '-flags +ilme+ildct' and maybe '-flags +alt' for interlaced
material, and try '-top 0/1' if the result looks really messed-up.
@section How can I read DirectShow files?
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