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Old 15th August 2011, 15:45   #1  |  Link
Beak
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Trouble with Q0 in MeGui

Hello. I am not sure if this is an x264 issue or an MeGui issue.

If I encode the following script with q0 (I am trying for lossless)
I get an outout ,264 file which is always recognized by TSMuxer as 23.976. If I switch it to 30fps or 29.97 the stream is unplayable.

DirectShowSource("C:\Users\Brendan\Videos\Test\2011_8_8_15_11_43.M2TS.12.M2TS", fps=29.970, audio=false, convertfps=true).AssumeFPS(30000,1001)

If I encode at q1 or higher, all is well. TSMuxer identifies frame rate correctly and muxed file is playable.

Why is q0 framerate not detected properly?

Thanks in advance for any help.
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Old 15th August 2011, 17:11   #2  |  Link
poisondeathray
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There might be some clues in the logfile , can you post it ?
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Old 15th August 2011, 19:17   #3  |  Link
Beak
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This is it

[Information] Log
-[Information] Versions
--[Information] [8/15/2011 2:01:36 PM] MeGUI Version : 2028 (svn)
--[Information] [8/15/2011 2:01:36 PM] OS : Windows Seven x64 SP1 (6.1.65536.7601)
--[Information] [8/15/2011 2:01:36 PM] Latest .Net Framework installed : 4.0 (4.0.30319)
--[Information] [8/15/2011 2:01:36 PM] Avisynth Version : 2.5.8.5 (7/12/2009 2:46:36 AM)
-[Information] Update detection
--[Information] [8/15/2011 2:01:37 PM] Connecting to server: http://megui.xvidvideo.ru/auto/stable/
--[Information] [8/15/2011 2:01:38 PM] All files are up to date
-[Information] Update detection
--[Information] [8/15/2011 2:04:25 PM] Connecting to server: http://megui.org/auto/stable/
--[Information] [8/15/2011 2:04:25 PM] All files are up to date
-[Information] Log for job1 (video, 2011_8_8_15_11_43.M2TS.12.avs -> 2011_8_8_15_11_43.M2TS.12.264)
--[Information] [8/15/2011 2:06:19 PM] Started handling job
--[Information] [8/15/2011 2:06:19 PM] Preprocessing
--[Information] [8/15/2011 2:06:19 PM] Avisynth input script
---[NoImage] DirectShowSource("C:\Users\Brendan\Videos\Test\2011_8_8_15_11_43.M2TS.12.M2TS", fps=29.970, audio=false, convertfps=true).AssumeFPS(30000,1001)
---[NoImage] #deinterlace
---[NoImage] #crop
---[NoImage] #resize
---[NoImage] #denoise
--[Information] [8/15/2011 2:06:20 PM] Job commandline: "C:\Users\Brendan\Downloads\MeGUI_2028_x86\tools\x264\vfw4x264.exe" --level 4.1 --tune film --crf 0 --sar 1:1 --output "C:\Users\Brendan\Videos\Test\2011_8_8_15_11_43.M2TS.12.264" "C:\Users\Brendan\Videos\Test\2011_8_8_15_11_43.M2TS.12.avs"
--[Information] [8/15/2011 2:06:20 PM] Encoding started
--[Information] [8/15/2011 2:07:56 PM] Standard output stream
--[Information] [8/15/2011 2:07:56 PM] Standard error stream
---[NoImage] raw [info]: 1920x1080p 1:1 @ 30000/1001 fps (cfr)
---[NoImage] x264 [info]: using SAR=1/1
---[NoImage] x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
---[NoImage] x264 [info]: profile High 4:4:4 Predictive, level 4.1, bit depth 8
---[NoImage]
---[NoImage] x264 [info]: frame I:22 Avg QP: 0.00 size:553465
---[NoImage] x264 [info]: frame P:1577 Avg QP: 0.00 size:481435
---[NoImage] x264 [info]: mb I I16..4: 62.3% 9.6% 28.1%
---[NoImage] x264 [info]: mb P I16..4: 20.3% 9.4% 4.0% P16..4: 29.4% 10.1% 9.4% 0.0% 0.0% skip:17.3%
---[NoImage] x264 [info]: 8x8 transform intra:27.3% inter:56.3%
---[NoImage] x264 [info]: coded y,uvDC,uvAC intra: 92.8% 93.8% 93.7% inter: 68.2% 65.9% 65.7%
---[NoImage] x264 [info]: i16 v,h,dc,p: 12% 87% 1% 0%
---[NoImage] x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 78% 6% 0% 1% 1% 0% 1% 0%
---[NoImage] x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 56% 6% 2% 3% 4% 2% 3% 1%
---[NoImage] x264 [info]: i8c dc,h,v,p: 7% 84% 8% 0%
---[NoImage] x264 [info]: Weighted P-Frames: Y:0.1% UV:0.1%
---[NoImage] x264 [info]: ref P L0: 73.0% 6.4% 14.7% 5.9%
---[NoImage] x264 [info]: kb/s:115666.62
---[NoImage] encoded 1599 frames, 16.70 fps, 115666.61 kb/s
--[Information] Final statistics
---[Information] [8/15/2011 2:07:57 PM] Constant Quality Mode: Quality 0 computed...
---[Information] [8/15/2011 2:07:57 PM] Video Bitrate Obtained (approximate): 115666 kbit/s
--[Information] [8/15/2011 2:07:57 PM] Postprocessing
---[Information] Deleting intermediate files
--[Information] [8/15/2011 2:07:57 PM] Job completed


Again, the resulting h264 stream reads as 24000/1001 in tsmuxer gui. It cannot be changed to 24000/1001 or 30000/1001 and play correctly.

Thanks for your help.
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Old 15th August 2011, 19:46   #4  |  Link
poisondeathray
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Is it possible tsmuxer doesn't support lossless h264 profile ?

What happens if you wrap in .mkv or .mp4 ?

Why do you want a transport stream ? (what do you intend to play it with or use it for?)
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Old 15th August 2011, 19:57   #5  |  Link
Beak
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I will try this but I am on an 18 hour encode at the moment.

When I use q0 in Xvid4PSP Version 5.0.37.8, the files load in tsmuxer correctly. This software has a much older version of x264 though.

It seem like a flag is not being set correctly.

I will try your suggestions when I can.
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Old 15th August 2011, 19:59   #6  |  Link
poisondeathray
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What does mediainfo say about the frame rate from the lossless megui export ?

Again, why do you want a transport stream (overhead is larger than mp4 or mkv, ~5-7%) , and lossless profile isn't supported by devices, blu-ray...
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Old 15th August 2011, 20:54   #7  |  Link
Beak
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I am converting an 1080i source with logo inpainting, denoising and sharpening in seven different segments. I need to process segments separately because I lose audio sync with anything else I have tried. So I would like to do this in as high a quality as possible, preferrably lossless, before downsizing to single dvd-r bitrate, inthis case 5640 with audio.

Where is mediainfo located?
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Old 15th August 2011, 21:15   #8  |  Link
Beak
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I downloaded media info and the analysis looks like this

General
Complete name : C:\Users\Brendan\Videos\Test\2011_8_8_15_11_43.M2TS.12.264
Format : AVC
Format/Info : Advanced Video Codec
File size : 736 MiB

Video
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High 4:4:4 Predictive@L4.1
Format settings, CABAC : Yes
Format settings, ReFrames : 3 frames
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 : Progressive
Writing library : x264 core 115 r1995 c1e60b9
Encoding settings : cabac=1 / ref=3 / deblock=1:-1:-1 / analyse=0x3:0x113 / me=hex / subme=7 / psy=0 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=0 / threads=12 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=0 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc=cqp / mbtree=0 / qp=0

I appears as 29.70.

The mkv and mp4 muxers of MeGui recognize as 29.70. The mkv version plays but the mp4 version crashes.

q0 from xvid4PSP still works with TSMuxer and files do not crash.

I'm using q1 which is damn fine quality but lossless m2ts would be optimal. If I load the working mkv file in TSMuxer, the video still registers as 24000/1001.
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