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hpnas · 2011-12-03, 19:32

I have my ATV2 wired and working flawlessly with Lion over SMB (using the macports method) from a streaming perspective .

For some reason, just one movie is buffering and stuttering and basically unwatchable. I have no idea what is so special about this single movie that is bringing my ATV2 to a halt and it is your basic 720p mkv

Attached is the info from media inspector, does anything jump out to anyone that would make the ATV2 have trouble with it

Quote:* * * Media Inspector 0.7.443 file analysis report.
* * * Media Inspector is ©2011 by Diego Massanti - http://mediainfo.massanti.com
* * * MediaInfoLib by Jerome Martinez - http://mediainfo.sourceforge.net
Created on: Dec 3, 2011 12:27:35 PM EST
Report for file: Mission Impossible III.mkv

General / Container Stream #1
Total Video Streams for this File.................1
Total Audio Streams for this File.................2
Total Subtitle Streams for this File..............11
Video Codecs Used.................................AVC
Audio Codecs Used.................................DTS / Vorbis
SubTitle Codecs Used..............................ASS / ASS / ASS / ASS / ASS / ASS / ASS / ASS / ASS / ASS / ASS
Available Sutbitle Languages......................English / Dutch / French / German / Greek / Hungarian / Norwegian / Polish / Romanian / Spanish / Swedish
File Format.......................................Matroska
Play Time.........................................2h 5mn
Total File Size...................................6.55 GiB
Total Stream BitRate..............................7 477 Kbps
Title (Tag).......................................Mission Impossible III 2006 720p BluRay DTS x264-ESiR
Encoded with......................................mkvmerge v2.2.0 ('Turn It On Again') built on Mar 4 2008 12:58:26
Encoding Library..................................libebml v0.7.7 + libmatroska v0.8.1
Video Stream #1
Codec (Human Name)................................AVC
Codec (FourCC)....................................V_MPEG4/ISO/AVC
Codec [email protected]
Frame Width.......................................1 280 pixels
Frame Height......................................544 pixels
Frame Rate........................................23.976 fps
Total Frames......................................180409
Display Aspect Ratio..............................2.35:1
Scan Type.........................................Progressive
Color Space.......................................YUV
Codec Settings (Summary)..........................CABAC / 16 Ref Frames
QF (like Gordian Knot)............................0.353
Codec Settings (CABAC)............................Yes
Codec Settings (Reference Frames).................16
Video Stream Length...............................2h 5mn 24s 566ms
Video Stream BitRate..............................5 895 Kbps
Bit Depth.........................................8 bits
Video Stream Size.................................5.04 GiB (77%)
Video Encoder.....................................x264 - core 59 r839M 27c3071
Video Encoder (Settings)..........................cabac=1 / ref=16 / deblock=1:-3:-3 / analyse=0x3:0x133 / me=umh / subme=7 / me-prepass=0 / brdo=1 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=1 / cqm=2 / deadzone=5,5 / chroma_qp_offset=0 / threads=6 / nr=0 / decimate=1 / mbaff=0 / fgo=9 / bframes=16 / b_pyramid=1 / b_adapt=1 / b_bias=0 / direct=3 / wpredb=1 / bime=1 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=2pass / bitrate=5895 / 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=1.16 / aq=2:1.10
Video Stream Language.............................English
Audio Stream #1
Codec.............................................DTS
Codec (FourCC)....................................A_DTS
Audio Stream Length...............................2h 5mn 24s 562ms
Audio Stream BitRate..............................1 510 Kbps
Audio Stream BitRate Mode.........................CBR
Number of Audio Channels..........................6
Audio Channel's Positions.........................Front: L C R, Side: L R, LFE
Sampling Rate.....................................48.0 KHz
Bit Depth.........................................24 bits
Audio Stream Size.................................1.32 GiB (20%)
Audio Stream Title................................Feature
Audio Stream Language.............................English
Audio Stream #2
Codec.............................................Vorbis
Codec (FourCC)....................................A_VORBIS
Audio Stream Length...............................2h 5mn 24s 562ms
Audio Stream BitRate..............................64.0 Kbps
Number of Audio Channels..........................2
Sampling Rate.....................................48.0 KHz
Audio Stream Size.................................57.4 MiB (1%)
Audio Stream Title................................Commentary
Audio Encoder.....................................Xiph.Org libVorbis I 20050304
Audio Stream Language.............................English
Subtitle Stream #1
Language..........................................English
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #2
Language..........................................Dutch
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #3
Language..........................................French
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #4
Language..........................................German
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #5
Language..........................................Greek
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #6
Language..........................................Hungarian
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #7
Language..........................................Norwegian
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #8
Language..........................................Polish
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #9
Language..........................................Romanian
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #10
Language..........................................Spanish
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha
Subtitle Stream #11
Language..........................................Swedish
Format............................................ASS
Codec ID..........................................S_TEXT/ASS
Codec Info........................................Advanced Sub Station Alpha

g-off · 2011-12-03, 22:43

The file has 16 reference frames. That is some stupid anime scene rubbish that is totally breaks the h264 spec.

hpnas · 2011-12-03, 23:17

g-off Wrote:The file has 16 reference frames. That is some stupid anime scene rubbish that is totally breaks the h264 spec.

Thanks for this. What is the standard reference frames?

~~Ned Scott~~ · 2011-12-04, 05:05

>Mission Impossible III.mkv

>anime

wat

g-off · 2011-12-04, 15:52

I was talking about silly reference frames "tweaking"
If 5 is good then 16 must be besterer!

16 is a maximum value. If used with hi res video it requires a very large amount of memory to decode.

Your encoder should automatically set it for you to the standard. If you want to be bored you can check it out on wikpedia.