The VideoLAN Forums

Posted: **28 Jul 2013 21:18**

I have problem with 1080p MKV video is freezing after few seconds. Have you any advice for me ?

Thank you

AVPlayer HD play succesfully 1080p MIKV bitrate 17.1Mbps

Code: Select all

Format                                   : Matroska
Format version                           : Version 2
File size                                : 15.4 GiB
Duration                                 : 2h 6mn
Overall bit rate                         : 17.4 Mbps
Encoded date                             : UTC 2011-03-14 15:32:13
Writing application                      : mkvmerge v4.4.0 ('Die Wiederkehr') built on Oct 31 2010 21:52:48
Writing library                          : libebml v1.0.0 + libmatroska v1.0.0

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                              : Header stripping
Codec ID                                 : V_MPEG4/ISO/AVC
Duration                                 : 2h 6mn
Bit rate                                 : 13.3 Mbps
Width                                    : 1 920 pixels
Height                                   : 800 pixels
Display aspect ratio                     : 2.40:1
Frame rate mode                          : Constant
Frame rate                               : 23.976 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.361
Stream size                              : 11.5 GiB (74%)
Writing library                          : x264 core 68 r1183M f21daff
Encoding settings                        : cabac=1 / ref=5 / deblock=1:-3:-3 / analyse=0x3:0x133 / me=umh / subme=9 / psy_rd=1.1:0.0 / mixed_ref=1 / me_range=48 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / chroma_qp_offset=-2 / threads=12 / nr=0 / decimate=0 / mbaff=0 / bframes=6 / b_pyramid=1 / b_adapt=2 / b_bias=0 / direct=3 / wpredb=1 / keyint=250 / keyint_min=25 / scenecut=40 / rc=2pass / bitrate=13310 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=50000 / vbv_bufsize=50000 / ip_ratio=1.40 / pb_ratio=1.30 / aq=1:1.00
Language                                 : English
Default                                  : Yes
Forced                                   : No

Audio #1
ID                                       : 2
Format                                   : DTS
Format/Info                              : Digital Theater Systems
Mode                                     : 16
Format settings, Endianness              : Big
Muxing mode                              : Header stripping
Codec ID                                 : A_DTS
Duration                                 : 2h 6mn
Bit rate mode                            : Constant
Bit rate                                 : 1 509 Kbps
Channel(s)                               : 6 channels
Channel positions                        : Front: L C R, Side: L R, LFE
Sampling rate                            : 48.0 KHz
Bit depth                                : 24 bits
Compression mode                         : Lossy
Stream size                              : 1.34 GiB (9%)
Title                                    : Czech DTS @ 1536 Kbps
Language                                 : Czech
Default                                  : Yes
Forced                                   : No

Posted: **29 Jul 2013 15:17**

Buy a bigger CPU...

Posted: **29 Jul 2013 17:44**

in description of iPad 3 is written - play video 720p,1080P.

iPad has slower CPU than Android tablets which can play 1080p mkv on full hd tv?

Posted: **29 Jul 2013 18:43**

Yes, because iPad does not allow apps to do hardware decoding...

Posted: **29 Jul 2013 19:01**

Yes, because iPad does not allow apps to do hardware decoding...

If I jailbreak is it possible use HW decoding?

Posted: **31 Jul 2013 19:56**

It might, but not yet with VLC.

Posted: **02 Aug 2013 21:32**

Is it possible make Vlc for jailbroken devices with HW acceleration or with HW for not jailbroken devices like AVPLayer HD?

Posted: **22 Sep 2013 02:22**

I've been having the same problem. Vlc will play 720p mkvs on ipad no problem (there is the occasional slight pixelation) but it freezes and pixelates all the time on 1080p. Its pretty much the same problem no matter which media player I use (I've tried VLC, Playable, and PlayerXtreme.) The only way I can get 1080p mkvs to play is if use convert using handbrake and import to itunes, it's fine, i guess, but I run into a lot of subtitle issues and I'd rather not wait hours to convert my videos. Is there a player that works that I haven't tried yet?

Posted: **22 Sep 2013 14:34**

Only iPad Retina-model is capable of playing 1080p content.
All others (Mini included) will have issues with playback of 1080p content.
So if you only have 1080p content and you wanna play that on your iPad, you will have to invest time to convert.
Handbrake, mkvMergeGui and Subtitle Edit will do the job !

Posted: **27 Sep 2013 01:50**

Or ask Apple for us to have access to hardware decoding.

Posted: **01 Feb 2014 14:24**

Please add HW Decoding for Jailbroken devices. I watch a lot of anime, so all of my videos are .mkv with 1080p video quality.

Posted: **03 Feb 2014 15:35**

Patch welcome. We don't use any jailbroken devices and don't endorse this either, especially considering that jailbroken devices account for half of our crash report numbers (while the usage share is only roughly around 5%) because of weird OS hacks.

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