[mythtv-users] Suggested bitrate for transcoding HD Mpeg 2 to Mpeg 4

Ian Evans dheianevans at gmail.com
Tue Jul 12 19:35:13 UTC 2011


Okay, just tried to play an h264 transcoded movie, from a 1080
broadcast. Either I get the "please wait..." followed by "video frame
buffering failed too many times" or the front end crashes.

Using .24-fixes. these were the hq setings I grabbed:

coder=1
flags=+loop
cmp=+chroma
partitions=+parti8x8+parti4x4+partp8x8+partb8x8
me_method=umh
subq=8
me_range=16
g=250
keyint_min=25
sc_threshold=40
i_qfactor=0.71
b_strategy=2
qcomp=0.6
qmin=10
qmax=51
qdiff=4
bf=3
refs=4
directpred=3
trellis=1
flags2=+wpred+mixed_refs+dct8x8+fastpskip+mbtree
wpredp=2

Thanks for any suggestions.


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