Hey...I am trying to play MKV file which I have converted from AVI file on my Blu ray player to watch on television. I know that the player should play these files and have done once before but have problems with most. I copy to it to a USB, plug in which player picks up, select file then am told to wait for a while then get the option to play then get black screen. Can anybody tell me what I maybe doing wrong, thanks.
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AVI and MKV are containers. They can contain audio and video encoded with any of a number of different codecs. Players typically only handle certain codecs. Figure out what you player requires and convert to those specs. Blu-ray players that play MKV typically take h.264 video and AC3 or MP3 audio. You can use MediaInfo to see what codecs and properties your files have.
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Thanks jagabo. Below is the info from MediaInfo...Can you give me an idea of what I should be tweaking?
General
Unique ID : 184987112444769441621290835985851673141 (0x8B2B38CFA37032128F61367058CAEA35)
Complete name : C:\Users\Debbie\Videos\tel10.mkv
Format : Matroska
Format version : Version 1
File size : 858 MiB
Duration : 1h 26mn
Overall bit rate : 1 392 Kbps
Encoded date : UTC 2012-05-04 13:39:53
Writing application : AVSMatroskaFile
Writing library : libebml v0.7.7 + libmatroska v0.8.1
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L5.1
Format settings, CABAC : Yes
Format settings, ReFrames : 1 frame
Codec ID : V_MPEG4/ISO/AVC
Duration : 1h 26mn
Bit rate : 1 172 Kbps
Width : 712 pixels
Height : 356 pixels
Display aspect ratio : 2.000
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.193
Stream size : 723 MiB (84%)
Default : Yes
Forced : No
Audio
ID : 2
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Codec ID : A_MPEG/L3
Codec ID/Hint : MP3
Duration : 1h 26mn
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Sampling rate : 44.1 KHz
Compression mode : Lossy
Stream size : 118 MiB (14%)
Writing library : LAMELAME_MAJOR_VERSI
Default : Yes
Forced : No -
Is that a file that doesn't play? Do you have specs for a file that does play? For comparison.
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Are you using a recent version of MediaInfo? There is an MKV feature that causes problems for many players but old versions of MediaInfo may not show it.
Try this: download MkvToolnix. Start the program called MMG.EXE (Mkv Merge GUI). Select File ->Options. On the MMG tab, put a checkmark in "Disable Header Removal Compression...". The program only checks that setting at startup so exit MMG, then restart it. Now open your MKV file and Save it (if it used Header Removal Compression, the new file won't have it). See if that new file plays. -
Yes am using the most recent version of MediaInfo.
I have downloaded MKVtoolnix and checked the disable header removal compression and closed. Do I now have to add my file in MKVtoolnix and select muxing? -
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Ok, this is outcome:
General
Unique ID : 194369698061164626725753843408929775964 (0x923A3DFF5C6D31098D03D4347AFB615C)
Complete name : C:\Users\Debbie\Videos\tel10 (1).mkv
Format : Matroska
Format version : Version 2
File size : 855 MiB
Duration : 1h 26mn
Overall bit rate : 1 386 Kbps
Encoded date : UTC 2012-05-04 19:10:28
Writing application : mkvmerge v5.5.0 ('Healer') built on Apr 6 2012 21:43:24
Writing library : libebml v1.2.3 + libmatroska v1.3.0
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L5.1
Format settings, CABAC : Yes
Format settings, ReFrames : 1 frame
Codec ID : V_MPEG4/ISO/AVC
Duration : 1h 26mn
Bit rate : 1 167 Kbps
Width : 712 pixels
Height : 356 pixels
Display aspect ratio : 2.000
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.192
Stream size : 720 MiB (84%)
Default : Yes
Forced : No
Audio
ID : 2
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Codec ID : A_MPEG/L3
Codec ID/Hint : MP3
Duration : 1h 26mn
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Sampling rate : 44.1 KHz
Compression mode : Lossy
Stream size : 118 MiB (14%)
Writing library : LAMELAME_MAJOR_VERSI
Default : Yes
Forced : No -
Sorry have not had a chance to test it. All ready to test in morning, will let you know. Thanks for asking
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If that doesn't work about the only other thing I can see is the frame size. Some players require that the frame dimensions be integer multiples of 16. So 704x352 is more likely to play than your video's 712x356.
Oh, one other thing: the profile is listed as Main@L5.1 although the level appears to be well below 5.1. Try changing it to 4.1 or 4.0 with a profile editor.
http://coolsoft.altervista.org/en/h264leveleditorLast edited by jagabo; 4th May 2012 at 17:12.
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What do these profiles mean?
These categories are ment so restrict the features used during encoding to ensure devices/decoders that content can be created in a way such that devices that are only capable to handle a restricted subset of these categories can handle the content.
Overview of Profiles and Levels in H.264:
http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Profiles
http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Levels
Cu Selur
Ps.: changing the profile&level flags won't change the content of the stream, so if the stream uses a feature that needs High@4.1 changing it to Main@3.1 won't allow the content to be playable on a device that only supports content up to Main@3.1. -
Thanks Selur for the info although I have to say this is far too complicated for me. I thought when buying the player it would play MKV files without all this fuffing about
Oh, one other thing: the profile is listed as Main@L5.1 although the level appears to be well below 5.1. Try changing it to 4.1 or 4.0 with a profile editor.
http://coolsoft.altervista.org/en/h264leveleditorLast edited by Deblk; 5th May 2012 at 05:55.
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You only need the MKV file. The BAK file contains a list of the changes the program made so restore the original data if necessary.
That's odd. It should have shown the new profile@level. Are you sure you didn't make a mistake? Maybe changed or checked the wrong file?
No, it doesn't matter what player you have associated with MKV files. -
I have found the MKV file that plays
General
Unique ID : 193952070835471502887458916873769945754 (0x91E9CF62B33D88268306071C12B98A9A)
Complete name : F:\Movie Library\Movies\Thriller-Sci-fi\Another Earth\ArEh11\ArEh11.mkv
Format : Matroska
Format version : Version 2
File size : 697 MiB
Duration : 1h 32mn
Overall bit rate : 1 054 Kbps
Encoded date : UTC 2011-10-29 03:43:19
Writing application : mkvmerge v5.0.1 ('Es ist Sommer') built on Oct 9 2011 11:55:43
Writing library : libebml v1.2.2 + libmatroska v1.3.0
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.0
Format settings, CABAC : Yes
Format settings, ReFrames : 5 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 1h 32mn
Bit rate : 863 Kbps
Width : 720 pixels
Height : 384 pixels
Display aspect ratio : 1.85:1
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.130
Stream size : 556 MiB (80%)
Writing library : x264 core 119 r2106 07efeb4
Encoding settings : cabac=1 / ref=5 / deblock=1:-1:-1 / analyse=0x3:0x133 / me=umh / subme=6 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=863 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / aq=1:1.00
Default : Yes
Forced : No
Audio
ID : 2
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : A_AC3
Duration : 1h 32mn
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 127 MiB (18%)
Default : Yes
Forced : No
Changes below:
Format version : Version 2
Format profile : High@L3.0
What is format version? -
Try a quick remux with mmg (add file, start muxing). Then see if h264 level editor can change the new file.
The info you posted about the file that does play looks to use much higher profile settings than the file that doesn't play (regardless of what the profile@level flag in the header says). I suspect the problem is the non mod-16 frame size in the "bad" file.
<edit> I did find an old MKV file that was version 1. h264 level editor had no problem changing the level. You did press the Change Level button, right? </edit> -
All you're doing is changing a flag in the header. You aren't changing the properties of the video itself. But many players use that flag to determine whether they will attempt to play the video. Have you tried playing any of the modified files yet?
TS is just another container. You might try using MMG to mux that TS to a MKV if your player doesn't support TS. -
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Woop Woop...this is what I did:
The file that played before was a format file 3.0 so needed to get this result showing with MediaInfo
I used TSMuxer and changed level with tsmuxing selected which created a TS file
I then used MKVMerge to mux the TS file which created MKV file with the format file of my choice
I am sure there is a much easier way but I did this with 2 files and they both worked. I have no idea why H264LevelEditor did not work as that would have been a much quicker solution
Thanks guys for all your help and will now leave you in peace
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