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PostPosted: Sat Jan 08, 2011 3:34 pm  Post subject: The x264 1080p releases... It's a jungle out there!
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The Ancient One
Joined: Thu Feb 13, 2003 6:07 pm
Posts: 4463
Location: The Cellar
It looks like there is no standards out there at the moment, and everyone can name their releases as 1080p. But what is really an 1080p release that is the question, lets compare two releases...

The Thing 1982 BDrip 1080p AC3 x264

Quote:
File size : 3.08 GiB
Duration : 1h 48mn
Overall bit rate : 4 058 Kbps
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 : 4 frames
Codec ID : 27
Duration : 1h 48mn
Bit rate mode : Variable
Bit rate : 3 457 Kbps
Maximum bit rate : 40.0 Mbps
Width : 1 916 pixels
Height : 812 pixels
Display aspect ratio : 2.35:1
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.093
Stream size : 2.59 GiB (84%)
Writing library : x264 core 107 r1745 4785e8e

Audio
ID : 4352 (0x1100)
Menu ID : 1 (0x1)
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Codec ID : 129
Duration : 1h 48mn
Bit rate mode : Constant
Bit rate : 448 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 : 348 MiB (11%)
Language : English




Beetlejuice 1988 1080p BDRip AC3 x264

Quote:
File size : 7.24 GiB
Duration : 1h 32mn
Overall bit rate : 11.2 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 : 4 frames
Codec ID : 27
Duration : 1h 32mn
Bit rate mode : Variable
Bit rate : 10.3 Mbps
Maximum bit rate : 18.0 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.207
Stream size : 6.46 GiB (89%)
Writing library : x264 core 94 r1583 7608d73

Audio
ID : 4352 (0x1100)
Menu ID : 1 (0x1)
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Codec ID : 129
Duration : 1h 32mn
Bit rate mode : Constant
Bit rate : 640 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 : 422 MiB (6%)
Language : English



Both are released as 1080p, the first you will notice is the file size. the next you will notice is the hight at 812 pixels of the first. So one of these is clearly not 1080p..

The HD resolution standards are:
704×480=480p (DVD)
1280x720=720p (HDReady)
1920x1080=1080p (HD)

You would think the releasers of these hd movies, would follow the standards but they dont. So if you for example get a 1280x500 and it says it is a 720p but it aint, its what i would call a upscaled dvd quality wise.

Is there anyone else here that are into HD releases, what is your toughts about this?

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PostPosted: Sat Jan 08, 2011 8:09 pm  Post subject: Re: The x264 1080p releases... It's a jungle out there!
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The Devil, Probably
Joined: Fri Oct 26, 2007 3:40 pm
Posts: 2250
Location: Inside my body.
Another example of WYSAWYG.

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PostPosted: Sat Jan 08, 2011 8:21 pm  Post subject: Re: The x264 1080p releases... It's a jungle out there!
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The Ancient One
Joined: Sat Oct 20, 2007 10:31 am
Posts: 3354
Location: Last house on the Right
The hight difference could be a result of cropping.


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PostPosted: Sat Jan 08, 2011 9:20 pm  Post subject: Re: The x264 1080p releases... It's a jungle out there!
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Site Admin
Joined: Sat Nov 02, 2002 1:35 am
Posts: 19625
Location: En España
shitty players have problems scaling and correctly sizing cropped rips; proper cropping is still relevant for HD content. Get a better player.

Correctly ripped movies should not have the black borders. They are not needed.

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