Problem with XMedia Recode (2.3.0.9). Video stuttering.

[smackyourfupa]

I'm having this problem with XMedia Recode (just upgraded to the latest version as I've had the same problem with previous versions). I'm trying to rencode a video which skips or stutters every couple of second or so. Here's the file info.

Format : MPEG-PS
File size : 10.0 GiB
Duration : 1h 45mn
Overall bit rate : 13.7 Mbps

Video
ID : 224 (0xE0)
Format : MPEG Video
Format version : Version 2
Format profile : Main@High
Format settings, BVOP : Yes
Format settings, Matrix : Default
Format settings, GOP : M=3, N=15
Duration : 1h 45mn
Bit rate mode : Variable
Bit rate : 13.0 Mbps
Nominal bit rate : 18.0 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 29.970 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Bits/(Pixel*Frame) : 0.209
Stream size : 9.55 GiB (95%)

Audio
ID : 128 (0x80)
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Duration : 1h 45mn
Bit rate mode : Constant
Bit rate : 384 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Video delay : -486ms
Stream size : 288 MiB (3%)

Here's the settings I used for XMedia.
Format - mkv
Codec - MPEG4 AVC / H.264
Profile - high
Level - 5.1
Framerate - 23.976
Rate control Mode - avg bitrate
Bitrate - 5000
All other video settings are left at default and there is no audio encoding. I am also leaving the resolution the same.
This is a file I've transferred over from TIVO (already decoded w/ a different program). Seems every file I transfer over from TIVO this happens with. Only reason I would think this is happening is because I am changing the framerate from 29.970 to 23.976. I would do another encode leaving the framerate alone but each file takes appx 24 hrs. Any suggestions? Thanks.

[guns1inger]

Think about it. You are throwing away 6 frames every second. That is 20% of your frames. Of course this is going to have a detrimental effect.

If your source was originally 23.976 fps then you might be able to IVTC it back to 23.976 and get smooth playback. But if it was shot at 29.970 fps, then you have to encode it at 29.970 fps.

[smackyourfupa]

Think about it. You are throwing away 6 frames every second. That is 20% of your frames. Of course this is going to have a detrimental effect.

If your source was originally 23.976 fps then you might be able to IVTC it back to 23.976 and get smooth playback. But if it was shot at 29.970 fps, then you have to encode it at 29.970 fps.

OK I'll try to encode and leave framerate as is and see what happens. Thanks. Most mkv files i've downloaded are 23.976 FPS which is why I changed it to begin with.