Quantcast Why are Frames Dropped with MencodeME V023 - digitalFAQ.com Forums [Archives]
  #1  
05-28-2004, 03:44 PM
glent2k3 glent2k3 is offline
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what do these messages mean?

Pos: 0.1s 2f ( 0%) 0fps Trem: 0min 0mb A-V:0.000 [0:0][mpeg2video @ 0x9b50a0]rc buffer underflow
Pos: 0.2s 5f ( 0%) 0fps Trem: 0min 0mb A-V:0.000 [0:0]
Skipping frame!
Pos: 0.4s 10f ( 0%) 0fps Trem: 0min 0mb A-V:0.000 [0:0]
Skipping frame!
Pos: 0.5s 15f ( 0%) 0fps Trem: 5min 47mb A-V:0.000 [0:0]
Skipping frame!
Pos: 0.7s 20f ( 0%) 0fps Trem: 5min 50mb A-V:0.000 [0:0]
Skipping frame!
Pos: 0.9s 25f ( 0%) 0fps Trem: 5min 54mb A-V:0.000 [0:0]
Skipping frame!


i have these message for a wide range of sources and the end mpv is to short for the audio to match! what gives>?
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  #2  
05-28-2004, 05:21 PM
vmesquita vmesquita is offline
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This messages mean that mencoder is keeping sync by dropping frames. This is needed because generally there are a few frames in the movie that are not progressive. If this frames are not dropped, the movie would get out of sync.
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  #3  
05-29-2004, 03:53 AM
glent2k3 glent2k3 is offline
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I just encoded the same video using cce and the lenght was pefrect.mencoder output was nearly 6 miutes to short.with cce i used dialhots v4 and for mencoder i used the avi filter the target was half d1 @2000kps source is 23 and destination is 25.any ideas?
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05-29-2004, 07:27 AM
vmesquita vmesquita is offline
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DId I understand it right: in mencoder you put 25 fps as input and the movie was 23.976 originally fps?
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05-29-2004, 07:37 AM
glent2k3 glent2k3 is offline
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i thought that was the output no input. so i guess we use the assume 25fps in avisnyth>makeavis>then in mencoder and set the in input fps in there?sorry in a noob
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05-29-2004, 08:06 AM
vmesquita vmesquita is offline
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Yes, if you use assumefps (25) in your script you must select input fps as 25 in mencoder.
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