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Unable to play SOME MKV files on PCH-A110

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gonzalu
Member


Joined: 10 Mar 2009
Location: United States

Post Posted: Mar 22, 2009 14:47 Posts Comp View users profile Send private message Reply with quote

Hello,

I have a Popcorn Hour PCH-A110. From time to time, one of my encodes will not play on my PCH-A110. Take this one in particular, Nim's Island. Sounds is fine, but no Picture sad.gif

I have tried re-muxing it in mkvmergeGUI (latest rev) and even moving the stream IDs up or down... nothing.

I demuxed it and Re-muxed it with tsmuxeRGUI to an m2ts file, this allows me to play it back both audio and video smile.gif but the audio is badly out of sync sad.gif ???

Anyhow, I am now trying .ts and see if that works.

Meanwhile, can anyone shed some light on this? Here isthe mediainfo on the original MKV

BTW The file plays fine in VLC and WMP11 with Haali Splitter and ffdshow latest.

I do get this error when trying to re-mux in tsmuxerGUI directly from the original MKV file

Code:

Reading buffer overflow. Possible container streams are not syncronized. Please, verify stream fps. File name: N:\Movies\Adventure\Nim's Island [2008] BLU-RAY.mkv


When I extract the elementary streams and mux them I do not get the error but I do get the unsynced file sad.gif

Thank you in advance for any tips.

Code:

General
Complete name                    : N:\Movies\Adventure\Nim's Island [2008] BLU-RAY.mkv
Format                           : Matroska
File size                        : 7.42 GiB
Duration                         : 1h 32mn
Overall bit rate                 : 11.5 Mbps
Movie name                       : Nim's Island (2008)
Encoded date                     : UTC 2009-03-22 16:41:01
Writing application              : mkvmerge v2.5.1 ('He Wasn't There') built on Feb 22 2009 18:19:47
Writing library                  : libebml v0.7.7 + libmatroska v0.8.1

Video
ID                               : 1
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : High@L4.1
Format settings, CABAC           : Yes
Format settings, ReFrames        : 5 frames
Muxing mode                      : Container profile=Unknown@4.1
Codec ID                         : V_MPEG4/ISO/AVC
Duration                         : 1h 32mn
Bit rate                         : 10.3 Mbps
Nominal bit rate                 : 10.3 Mbps
Width                            : 1 920 pixels
Height                           : 800 pixels
Display aspect ratio             : 2.400
Frame rate                       : 25.000 fps
Original frame rate              : 23.976 fps
Resolution                       : 24 bits
Colorimetry                      : 4:2:0
Scan type                        : Progressive
Bits/(Pixel*Frame)               : 0.268
Writing library                  : x264 core 60 r920 32f09c4
Encoding settings                : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=5 / brdo=0 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / chroma_qp_offset=0 / threads=6 / nr=0 / decimate=1 / mbaff=0 / bframes=3 / b_pyramid=1 / b_adapt=1 / b_bias=0 / direct=1 / wpredb=1 / bime=1 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=2pass / bitrate=10328 / ratetol=1.0 / rceq='blurCplx^(1-qComp)' / qcomp=1.00 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / pb_ratio=1.30 / aq=2:1.00

Audio
ID                               : 2
Format                           : DTS
Format/Info                      : Digital Theater Systems
Codec ID                         : A_DTS
Duration                         : 1h 32mn
Bit rate mode                    : Constant
Bit rate                         : 768 Kbps
Channel(s)                       : 6 channels
Channel positions                : Front: L C R, Surround: L R, LFE
Sampling rate                    : 48.0 KHz
Resolution                       : 24 bits
Language                         : English

_________________
Manny


gonzalu
Member


Joined: 10 Mar 2009
Location: United States

Post Posted: Mar 22, 2009 14:50 Posts Comp View users profile Send private message Reply with quote

Here is the media nfo for the m2ts remux I did from the elementary streams.

This file plays and I see both vide and audio... but, the audio is badly out of sync sad.gif

Code:

General
ID                               : 1
Complete name                    : n:\Nim's Island [2008] BLU-RAY_Track1 REMUX.m2ts
Format                           : BDAV
Format/Info                      : BluRay Video
File size                        : 5.89 GiB
Duration                         : 1h 8mn
Overall bit rate                 : 12.3 Mbps
Maximum Overall bit rate         : 35.5 Mbps

Video
ID                               : 4113 (0x1011)
Menu ID                          : 1 (0x1)
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : High@L4.1
Format settings, CABAC           : Yes
Format settings, ReFrames        : 5 frames
Duration                         : 1h 8mn
Bit rate                         : 11.0 Mbps
Nominal bit rate                 : 10.3 Mbps
Width                            : 1 920 pixels
Height                           : 800 pixels
Display aspect ratio             : 2.400
Frame rate                       : 23.976 fps
Resolution                       : 24 bits
Colorimetry                      : 4:2:0
Scan type                        : Progressive
Bits/(Pixel*Frame)               : 0.299
Writing library                  : x264 core 60 r920 32f09c4
Encoding settings                : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=5 / brdo=0 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / chroma_qp_offset=0 / threads=6 / nr=0 / decimate=1 / mbaff=0 / bframes=3 / b_pyramid=1 / b_adapt=1 / b_bias=0 / direct=1 / wpredb=1 / bime=1 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=2pass / bitrate=10328 / ratetol=1.0 / rceq='blurCplx^(1-qComp)' / qcomp=1.00 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / pb_ratio=1.30 / aq=2:1.0

Audio
ID                               : 4352 (0x1100)
Menu ID                          : 1 (0x1)
Format                           : DTS
Format/Info                      : Digital Theater Systems
Duration                         : 1h 8mn
Bit rate mode                    : Constant
Bit rate                         : 768 Kbps
Channel(s)                       : 6 channels
Channel positions                : Front: L C R, Surround: L R, LFE
Sampling rate                    : 48.0 KHz
Resolution                       : 24 bits

_________________
Manny


poisondeathray
Member


Joined: 07 Sep 2007
Location: Canada

Post Posted: Mar 22, 2009 20:06 Posts View users profile Send private message Reply with quote

Quote:

Frame rate : 25.000 fps
Original frame rate : 23.976 fps


There is a frame rate discrepancy on the 1st file, 25fps vs 23.976fps. You should enter the correct one. When muxing raw tracks you have to manually enter it for mkvmerge, or it will assume 25.

You can override the fps in tsmuxer. Just highlight the video track and use the changefps box


gonzalu
Member


Joined: 10 Mar 2009
Location: United States

Post Posted: Mar 23, 2009 01:18 Posts Comp View users profile Send private message Reply with quote

Thanks for the response... I had actually figured this out on my own a little while ago so I am glad to have reassurance I was right.

So I tried just like you said... and no matter what, the resulting MKV kept the darn 25fps and the original fps. So it would play fine in VLC but PCH would barf on the video.

I tried many a variance on the theme of remuxing in both mkvmerge and tsmuxer with every possible combination of fps/rate/etc.

In the end I fixed it by putting the audio stream through eac3to and reducing the fps on the audio track to 23.976 from 25. I asssumed it was too fast because the delay was good at the beginning but got progressively worse at the end. All my .ts and m2ts files played fine (the video) but the audio lagged. So I assumed the audio was at the wrong rate.

Setting the video to 25 fps did NOT help at all.

So, doing the eac3to down to 23.976 fps did the trick. The file is now a m2ts file perfectly synced.

A test mkv also worked out wink.gif

Cheers and thanks
_________________
Manny


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