multiAVCHD sometimes picture is blurred

[Hrki]

I use same settings for both videos:

First video (not blurred)
Gspot info: https://forum.videohelp.com/images/imgfiles/JPFsq.png
Preview from multiAVCHD: https://forum.videohelp.com/images/imgfiles/2jlBM.png

[14:36:59] *** Initiating video encoding:

[14:36:59] *** Original  : 640x272
[14:36:59] *** Crop      : 0
[14:36:59] *** Resize    : 720x432
[14:36:59] *** Uncrop to : 720x576
[14:36:59] *** Sharpen   : 0
[14:36:59] *** Bitrate   : 1064 kbps
[14:36:59] *** Frame rate: Original (25.000)
[14:36:59] *** Level     : 3
[14:36:59] *** B-frames  : 3
[14:36:59] *** Ref-frames: 3
[14:36:59] *** GOP size  : 50 (keyframe min. each 4 frames)
[14:36:59] *** Quality   : One pass (turbo)
[14:36:59] *** SAR       : 16:11
[14:36:59] *** DAR       : 1024x576
[14:36:59] *** Profile   : Blu-ray

[14:36:59] *** Encoding  : One pass - content: [01:04:11]
[14:36:59] *** Encoding  : x264 options: --preset veryfast -B 1064  --interlaced --direct spatial  -I 25 --level 3 -i 8 -b 3 -r 3 -m 2  --mvrange 256 -A p8x8,i8x8 --ipratio 1.1 --pbratio 1.1 --vbv-bufsize  12500 --vbv-maxrate 12000 --qcomp 0.5 --threads auto --thread-input  --aud  --nal-hrd vbr  --sar 16:11  --b-pyramid strict --slices 0  --weightp 0  --rc-lookahead 25  -o "C:\Program  Files\multiAVCHD\_TEMP\multiTEMP-20120805\1.[720x576-25.000].264"  "C:\Program  Files\multiAVCHD\_TEMP\multiTEMP-20120805\20120805-143659-uncrop-running.avs"  
[14:37:10] User requested stop!
[14:37:10] *** Speed     : 8866.84 fps (elapsed: 00:00:10 - Realtime x 354.67)

[14:37:10] *** Transcoding successful!

Second video (everything is blurred)
Gspot: https://forum.videohelp.com/images/imgfiles/myWBL.png
Preview: https://forum.videohelp.com/images/imgfiles/GGPPe.png

[14:40:32] *** Initiating video encoding:

[14:40:32] *** Original  : 720x304
[14:40:32] *** Crop      : 0
[14:40:32] *** Resize    : 720x360
[14:40:32] *** Uncrop to : 720x480
[14:40:32] *** Sharpen   : 0
[14:40:32] *** Bitrate   : 1041 kbps
[14:40:32] *** Frame rate: Original (23.976)
[14:40:32] *** Level     : 3
[14:40:32] *** B-frames  : 3
[14:40:32] *** Ref-frames: 3
[14:40:32] *** GOP size  : 48 (keyframe min. each 4 frames)
[14:40:32] *** Quality   : One pass (turbo)
[14:40:32] *** SAR       : 40:33
[14:40:32] *** DAR       : 853x480
[14:40:32] *** Profile   : Blu-ray

[14:40:32] *** Encoding  : One pass - content: [02:16:53]
[14:40:32] *** Encoding  : x264 options: --preset veryfast -B 1041 --interlaced --direct spatial  -I 24 --level 3 -i 8 -b 3 -r 3 -m 2 --mvrange 256 -A p8x8,i8x8 --ipratio 1.1 --pbratio 1.1 --vbv-bufsize 12500 --vbv-maxrate 12000 --qcomp 0.5 --threads auto --thread-input --aud  --nal-hrd vbr  --sar 40:33  --b-pyramid strict --slices 0 --weightp 0  --rc-lookahead 24  -o "C:\Program Files\multiAVCHD\_TEMP\multiTEMP-20120805\[720x480-23.976].264" "C:\Program Files\multiAVCHD\_TEMP\multiTEMP-20120805\20120805-144032-uncrop-running.avs" 
[14:40:54] User requested stop!
[14:40:54] *** Speed     : 8919.24 fps (elapsed: 00:00:22 - Realtime x 372.01)

[14:40:54] *** Transcoding successful!

Why sometimes picture is blurred and sometimes not? The both sources is OK! What is the cause in .avi file?