Hello
Can you help me to solve this problem? I try to add sub when used MeGUI encode MP4 format. But I can't add sub because it noticed me that the feature not support. The one happened the same when I used MP4box to add subtittle. This is my log. And can you test my movie is good for iphone 4 HD quality? Sr because bad english. Thanks you very much.

Code:
[Error] Log
-[Information] Versions
--[NoImage] MeGUI Version : 0.3.5.0
--[NoImage] OS : Windows Seven Ultimate Edition x64 (6.1.0.7600)
--[NoImage] Latest .Net Framework installed : 4.0 (4.0.30319)
--[NoImage] Avisynth Version : 2.6.0.1
-[Information] Log for job2 (video, Machete.2010.BluRay.US.720p.DTS.x264-CHD.avs -> )
--[Information] [26-Dec-10 11:52:58 PM] Started handling job
--[Information] [26-Dec-10 11:52:58 PM] Preprocessing
---[Information] Bitrate calculation for video
----[NoImage] Desired size after subtracting audio: 1504447.8515625KBs
----[NoImage] Calculated desired bitrate: 1956.5021511969348793177514402kbit/s
--[NoImage] Job commandline: "D:SoftwareMeGUI_0.3.5_x86_WithoutInstaller_OfflinePackagetoolsx264vfw4x264.exe" --preset slow --pass 1 --bitrate 1956 --stats "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.stats" --slow-firstpass --ref 3 --no-8x8dct --vbv-bufsize 10000 --vbv-maxrate 10000 --profile main --level 3 --partitions p8x8,b8x8,i8x8,i4x4 --sar 407:400 --output NUL "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.avs" 
--[Information] [26-Dec-10 11:53:00 PM] Encoding started
--[NoImage] Standard output stream
--[NoImage] Standard error stream
---[NoImage] yuv [info]: 960x528p 407:400 @ 2500000/104271 fps (cfr)
---[NoImage] x264 [info]: using SAR=407/400
---[NoImage] x264 [warning]: frame MB size (60x33) > level limit (1620)
---[NoImage] x264 [warning]: MB rate (47472) > level limit (40500)
---[NoImage] x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
---[NoImage] x264 [info]: profile Main, level 3.0
---[NoImage]                                                                                
---[NoImage] x264 [info]: frame I:1629  Avg QP:18.51  size: 79531
---[NoImage] x264 [info]: frame P:42473 Avg QP:21.33  size: 19194
---[NoImage] x264 [info]: frame B:106928 Avg QP:23.45  size:  5280
---[NoImage] x264 [info]: consecutive B-frames:  1.5%  4.2% 15.1% 79.2%
---[NoImage] x264 [info]: mb I  I16..4: 30.6%  0.0% 69.4%
---[NoImage] x264 [info]: mb P  I16..4:  4.2%  0.0%  7.1%  P16..4: 39.5% 20.1% 12.8%  0.0%  0.0%    skip:16.4%
---[NoImage] x264 [info]: mb B  I16..4:  0.5%  0.0%  0.7%  B16..8: 46.0%  6.9%  1.7%  direct: 3.8%  skip:40.4%  L0:43.0% L1:51.3% BI: 5.6%
---[NoImage] x264 [info]: final ratefactor: 19.90
---[NoImage] x264 [info]: direct mvs  spatial:100.0% temporal:0.0%
---[NoImage] x264 [info]: coded y,uvDC,uvAC intra: 80.1% 79.7% 49.0% inter: 19.3% 26.3% 2.3%
---[NoImage] x264 [info]: i16 v,h,dc,p: 25% 16% 10% 49%
---[NoImage] x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu:  7%  7%  5% 11% 16% 14% 14% 12% 14%
---[NoImage] x264 [info]: i8c dc,h,v,p: 39% 24% 21% 16%
---[NoImage] x264 [info]: Weighted P-Frames: Y:1.4%
---[NoImage] x264 [info]: ref P L0: 56.0% 13.2% 21.5%  9.2%  0.1%
---[NoImage] x264 [info]: ref B L0: 85.1% 11.6%  3.3%
---[NoImage] x264 [info]: ref B L1: 93.5%  6.5%
---[NoImage] x264 [info]: kb/s:1916.82
---[NoImage] encoded 151030 frames, 30.72 fps, 1916.82 kb/s
--[Information] [27-Dec-10 1:14:57 AM] Postprocessing
---[Information] Deleting intermediate files
--[Information] [27-Dec-10 1:14:57 AM] Job completed
-[Information] Log for job7 (video, Machete.2010.BluRay.US.720p.DTS.x264-CHD.avs -> Machete.2010.BluRay.US.720p.DTS.x264-CHD.264)
--[Information] [27-Dec-10 1:14:58 AM] Started handling job
--[Information] [27-Dec-10 1:14:58 AM] Preprocessing
--[NoImage] Job commandline: "D:SoftwareMeGUI_0.3.5_x86_WithoutInstaller_OfflinePackagetoolsx264vfw4x264.exe" --preset slow --pass 2 --bitrate 1956 --stats "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.stats" --ref 3 --no-8x8dct --vbv-bufsize 10000 --vbv-maxrate 10000 --profile main --level 3 --partitions p8x8,b8x8,i8x8,i4x4 --sar 407:400 --output "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.264" "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.avs" 
--[Information] [27-Dec-10 1:14:58 AM] Encoding started
--[NoImage] Standard output stream
--[NoImage] Standard error stream
---[NoImage] yuv [info]: 960x528p 407:400 @ 2500000/104271 fps (cfr)
---[NoImage] x264 [info]: using SAR=407/400
---[NoImage] x264 [warning]: frame MB size (60x33) > level limit (1620)
---[NoImage] x264 [warning]: MB rate (47472) > level limit (40500)
---[NoImage] x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
---[NoImage] x264 [info]: profile Main, level 3.0
---[NoImage]                                                                                
---[NoImage] x264 [info]: frame I:1629  Avg QP:19.48  size: 70889
---[NoImage] x264 [info]: frame P:42473 Avg QP:21.34  size: 19764
---[NoImage] x264 [info]: frame B:106928 Avg QP:23.34  size:  5475
---[NoImage] x264 [info]: consecutive B-frames:  1.5%  4.2% 15.1% 79.2%
---[NoImage] x264 [info]: mb I  I16..4: 31.4%  0.0% 68.6%
---[NoImage] x264 [info]: mb P  I16..4:  4.2%  0.0%  7.5%  P16..4: 39.1% 20.3% 12.8%  0.0%  0.0%    skip:16.2%
---[NoImage] x264 [info]: mb B  I16..4:  0.5%  0.0%  0.8%  B16..8: 46.0%  7.0%  1.8%  direct: 3.9%  skip:40.1%  L0:42.5% L1:51.7% BI: 5.9%
---[NoImage] x264 [info]: direct mvs  spatial:98.2% temporal:1.8%
---[NoImage] x264 [info]: coded y,uvDC,uvAC intra: 82.1% 80.4% 49.5% inter: 19.8% 27.3% 2.4%
---[NoImage] x264 [info]: i16 v,h,dc,p: 24% 16% 10% 49%
---[NoImage] x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu:  7%  7%  5% 11% 16% 14% 14% 12% 14%
---[NoImage] x264 [info]: i8c dc,h,v,p: 39% 24% 21% 16%
---[NoImage] x264 [info]: Weighted P-Frames: Y:1.6%
---[NoImage] x264 [info]: ref P L0: 60.6% 13.2% 17.9%  8.1%  0.1%
---[NoImage] x264 [info]: ref B L0: 85.1% 11.8%  3.1%
---[NoImage] x264 [info]: ref B L1: 93.5%  6.5%
---[NoImage] x264 [info]: kb/s:1956.24
---[NoImage] encoded 151030 frames, 35.65 fps, 1956.24 kb/s
--[Information] Final statistics
---[NoImage] Video Bitrate Desired: 1956 kbit/s
---[NoImage] Video Bitrate Obtained (approximate): 1956 kbit/s
--[Information] [27-Dec-10 2:25:58 AM] Postprocessing
---[Information] Deleting intermediate files
----[Information] [27-Dec-10 2:25:58 AM] Successfully deleted D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.stats
----[Information] [27-Dec-10 2:25:58 AM] Successfully deleted D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.stats.mbtree
--[Information] [27-Dec-10 2:25:58 AM] Job completed
-[Error] Log for job8 (mux, Machete.2010.BluRay.US.720p.DTS.x264-CHD.264 -> Machete.2010.BluRay.US.720p.DTS.x264-CHD-muxed.mp4)
--[Information] [27-Dec-10 2:25:58 AM] Started handling job
--[Information] [27-Dec-10 2:25:58 AM] Preprocessing
--[NoImage] Job commandline: "D:SoftwareMeGUI_0.3.5_x86_WithoutInstaller_OfflinePackagetoolsmp4boxmp4box.exe" -add "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.264:fps=23.976" -add "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.m4a#trackID=1" -add "D:HDMoviesMachete (2010)Machete.2010.BluRay.US.720p.DTS.x264-CHD.srt:lang=Vietnamese:name=machete" -ipod -brand M4VP:1 -tmp "D:Binh" -new "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD-muxed.mp4"
--[Information] [27-Dec-10 2:25:58 AM] Muxing started
--[Error] Error line: Error importing D:HDMoviesMachete (2010)Machete.2010.BluRay.US.720p.DTS.x264-CHD.srt:lang=Vietnamese:name=machete: Feature Not Supported
--[NoImage] Standard output stream
---[NoImage] AVC-H264 import - frame size 960 x 528 at 23.976 FPS
---[NoImage] Import results: 151030 samples - Slices: 1629 I 42473 P 106928 B - 1 SEI - 1558 IDR
---[NoImage] 	Stream uses B-slice references - max frame delay 2
---[NoImage] IsoMedia import - track ID 1 - Audio (SR 48000 - 2 channels)
---[NoImage] Error importing D:HDMoviesMachete (2010)Machete.2010.BluRay.US.720p.DTS.x264-CHD.srt:lang=Vietnamese:name=machete: Feature Not Supported
--[NoImage] Standard error stream
--[Information] [27-Dec-10 2:27:34 AM] Job completed
-[Error] Log for job3 (mux, Machete.2010.BluRay.US.720p.DTS.x264-CHD.264 -> Machete.2010.BluRay.US.720p.DTS.x264-CHD-muxed.mp4)
--[Information] [27-Dec-10 7:14:19 AM] Started handling job
--[Information] [27-Dec-10 7:14:19 AM] Preprocessing
--[NoImage] Job commandline: "D:SoftwareMeGUI_0.3.5_x86_WithoutInstaller_OfflinePackagetoolsmp4boxmp4box.exe" -add "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.264:fps=23.976" -add "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD.m4a#trackID=1:lang=English" -add "D:HDMoviesMachete (2010)Machete.2010.BluRay.US.720p.DTS.x264-CHD.srt:lang=Vietnamese" -ipod -brand M4VP:1 -tmp "D:Binh" -new "D:BinhMachete.2010.BluRay.US.720p.DTS.x264-CHD-muxed.mp4"
--[Information] [27-Dec-10 7:14:19 AM] Muxing started
--[Error] Error line: Error importing D:HDMoviesMachete (2010)Machete.2010.BluRay.US.720p.DTS.x264-CHD.srt:lang=Vietnamese: Feature Not Supported
--[NoImage] Standard output stream
---[NoImage] AVC-H264 import - frame size 960 x 528 at 23.976 FPS
---[NoImage] Import results: 151030 samples - Slices: 1629 I 42473 P 106928 B - 1 SEI - 1558 IDR
---[NoImage] 	Stream uses B-slice references - max frame delay 2
---[NoImage] IsoMedia import - track ID 1 - Audio (SR 48000 - 2 channels)
---[NoImage] Error importing D:HDMoviesMachete (2010)Machete.2010.BluRay.US.720p.DTS.x264-CHD.srt:lang=Vietnamese: Feature Not Supported
--[NoImage] Standard error stream
--[Information] [27-Dec-10 7:15:52 AM] Job completed