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Old 07-16-2011, 02:22 PM
tovarnak tovarnak is offline
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Join Date: May 2011
Location: Presov, Slovakia
Posts: 21
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just for the record, mkv is container (as mp4, avi, mov, mpg and many many more). H264 on the other hand is codec, as well as xvid, dvix, mpeg-2, mpeg-4 and so on. So dont mix h264 and mkv together
J3 does not support mkv container at all, but it supports mp4 container (partialy). Unfortunatelly, it works only with lower profiles of h264 codec (up to Baseline 3.2). At the moment I am encoding everything (I am watching HDTV series, so 20 mins episode = 180mb and 42 mins episode = ~350mb) into h264 because it offers significant size reduction (350 => 205mb, and thats kinda impressive) while maintaining same quality (well, not same, because source is already encoded, but if I had raw uncompressed videos, quality would be the same or even better than normal xvid HDTV releases). Here is mediainfo of my vids (I am using Megui). If anyone was interested, I could provide a bit more specific info about some restriction in settings when encoding into mp4 container.

Quote:
General
Complete name : Y:\Janik\j3\data\Video\series\House\season01-SK\House.s01e01.pilot.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 205 MiB
Duration : 42mn 12s
Overall bit rate : 679 Kbps
Encoded date : UTC 2011-07-01 16:44:08
Tagged date : UTC 2011-07-01 16:44:08

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Baseline@L3.2
Format settings, CABAC : No
Format settings, ReFrames : 1 frame
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 42mn 12s
Bit rate mode : Variable
Bit rate : 550 Kbps
Maximum bit rate : 3 550 Kbps
Width : 624 pixels
Height : 352 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.100
Stream size : 166 MiB (81%)
Writing library : x264 core 79 r1354 636f98f
Encoding settings : cabac=0 / ref=1 / deblock=1:-2:-1 / analyse=0x1:0x130 / me=umh / subme=6 / psy=1 / psy_rd=1.0:0.0 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=0 / cqm=0 / deadzone=21,11 / chroma_qp_offset=-2 / threads=3 / nr=0 / decimate=1 / mbaff=0 / constrained_intra=0 / bframes=0 / wpredp=0 / keyint=250 / keyint_min=1 / scenecut=0 / rc_lookahead=60 / rc=2pass / mbtree=1 / bitrate=550 / 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
Encoded date : UTC 2011-06-28 03:12:19
Tagged date : UTC 2011-07-01 16:44:29

Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 42mn 12s
Bit rate mode : Variable
Bit rate : 126 Kbps
Maximum bit rate : 144 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 38.2 MiB (19%)
Encoded date : UTC 2011-07-01 16:44:26
Tagged date : UTC 2011-07-01 16:44:29
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