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 Posted: Sun, 27th Sep 2009 13:57 Post subject: HD Quality difference? |
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Are there any picture comparisons between different software players, regarding there HD output quality?
For example KMPlayer, VLC or Codecs?
I'm currently using the KMPlayer as I don't have any tearing with it and 720p videos run flawless. But it seems as if the output has less contrast, than intended.
How can I see if the picture I have on my screen is the desired output?
And is my Core2Duo 2x2Ghz enough to play 720p x264 at high quality?
(Running windows XP SP3 32 Bit, 190.89 Nvidia drivers with modified inf to let it work with my 7600 GO, no codecs installed)
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LeoNatan
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| Posted: Sun, 27th Sep 2009 15:19 Post subject: |
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MPC-HC, KMPlayer, VLC and ffdshow all use the same codec - libavcodec, which is part of the ffmpeg project. It is the best one.
MPC-HC also has a modified codec to include DXVA, which is also good (because it is based on libavcodec). This one won't be of help because your card doesn't support DXVA.
Then you have CoreAVC, which is fast, but has decoding errors in many encodes, especially non-scene ones, which use techniques to achieve quality. The nerd developer has promised to fix them, but he's been promising that ever since he released the earliest beta.
CoreAVC now also has support of CUDE decoding, which introduces some more incompatibilities, but frees the CPU in weaker PCs. CUDA support, won't be of help because your card does not support CUDA.
Still, CoreAVC is good for weaker PCs. For instance, with MPC-HC and CoreAVC, I am now able to play 1080p on my laptop!! (which has a 1.6GHz Core 2 Duo T5500!!).
Then you have the DivX decoder which is crap. 
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| Posted: Sun, 27th Sep 2009 15:46 Post subject: |
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So the KMPlayer and my hardware should be enough?
There is still the problem that HD videos don't look as good as I would expect them to be.
want an example?
Looks like if the picture is taken, converted into cmyk and reduced contrast :/ And this is the 8.8 gig version of transformers 2.
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LeoNatan
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| Posted: Sun, 27th Sep 2009 15:57 Post subject: |
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KMPlayer is a bit slower than MPC-HC, but for 720 there should be no problem.
What do you mean "don't look as good as I would expect them to be"? Perhaps that encode is not the best one (I haven't watched it, so don't know)? Or are you in general not satisfied with 720p? If so, then perhaps you should look at 1080p. It depends on the monitor's resolution, the distance you sit from it and your eyes (some people don't notice a difference between 720p and 1080p on 50" LCDs ).
Also, color conversions are bad bad bad, and cause detail loss. YV12 -> RGB -> CMYK = bad. When playing a video in KMP, press TAB and check the input and output colorspaces to see if they match.
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| Posted: Sun, 27th Sep 2009 16:14 Post subject: |
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It's dual language so please don't stone me 
btw I'm on my laptop with 1280x800 .. so there is no need for 1080p :]
I might even watch this one my SD TV |
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LeoNatan
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| Posted: Sun, 27th Sep 2009 16:25 Post subject: |
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Ehhh, could be that this release you are using is a reencode of a reencode (not unusual with these reencodes)
This is how it should look like:
Stop using crap encodes ffs. 
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| Posted: Sun, 27th Sep 2009 16:44 Post subject: |
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Your first screen looks fine to me, though it's small. You're sure it's not your monitor? And there are alot of encoding possibilities, so that impacts the quality. Most hardcoded releases for example use single-pass, because it's the fastest method. It could depend on alot of factors really. I had alot of 720p rips looking better than 1080p rips, because the 720p rip was 'professionally' done or because the 1080p was done by a noob.
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LeoNatan
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| Posted: Sun, 27th Sep 2009 16:48 Post subject: |
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| Mister_s wrote: | | I had alot of 720p rips looking better than 1080p rips, because the 720p rip was 'professionally' done or because the 1080p was done by a noob. |
Well, this is always true. The key is to get the proper releases in both cases. |
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| Posted: Sun, 27th Sep 2009 17:00 Post subject: |
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can i play hd film on my dvd player?
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zipfero
Posts: 8938
Location: White Shaft
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| Posted: Sun, 27th Sep 2009 17:49 Post subject: |
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| ILikeUnderage wrote: | | can i play hd film on my dvd player? |
Could you be less of a pedo plZZ
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| Posted: Sun, 27th Sep 2009 19:18 Post subject: |
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@OP: try another media player like vlc or core avc and see if the picture gets any better for you
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| Posted: Sun, 27th Sep 2009 19:31 Post subject: |
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ok clearly the contrast is not present in my release  |
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| Posted: Sun, 27th Sep 2009 19:52 Post subject: |
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I guess that the encoder fucked up the luma levels.
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LeoNatan
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Posts: 73196
Location: Ramat Gan, Israel 🇮🇱
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| Posted: Sun, 27th Sep 2009 20:00 Post subject: |
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And again we lulz at crap releases with dual audio.
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| Posted: Sun, 27th Sep 2009 20:02 Post subject: |
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wait wait wait! I checked my nvidia drivers video tab and on the 3rd page a reduced range was selected! After selecting 0-255 the contrast suddenly increased and the picture looks a lot better now!
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LeoNatan
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Posts: 73196
Location: Ramat Gan, Israel 🇮🇱
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| Posted: Sun, 27th Sep 2009 20:03 Post subject: |
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Yeah, this is a problem with PC monitors (and CRT TVs) vs. LCDs. Good find. I actually set this also every time I reinstall Windows, but didn't think about it. 
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LeoNatan
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Location: Ramat Gan, Israel 🇮🇱
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| Posted: Sun, 27th Sep 2009 20:17 Post subject: |
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| Glottis wrote: | | 5. Enjoy HD movies properly. |
... Except anything that isn't encoded above BetaBoy's standards. |
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zipfero
Posts: 8938
Location: White Shaft
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| Posted: Sun, 27th Sep 2009 22:53 Post subject: |
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If there is one thing I do well, then it is ignore Glottis' smartass posts about "the right thing to whatever".
8 out of 10 dentists prefer zipfero to competing brands(fraich3 and Mutantius)!
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LeoNatan
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Posts: 73196
Location: Ramat Gan, Israel 🇮🇱
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| Posted: Mon, 28th Sep 2009 00:02 Post subject: |
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Yes, I have him on ignore too, but I don't want Pumpy to suffer. <3
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| Posted: Mon, 28th Sep 2009 01:02 Post subject: |
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<3 thx for the luv :]
I'm pretty happy with kmplayer now I stilll miss the seamless zoom, as it does not seem to work for me
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zipfero
Posts: 8938
Location: White Shaft
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| Posted: Mon, 28th Sep 2009 01:04 Post subject: |
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Couldn't see why doing all that shit Glottis posted is better than just downloading a single player( KMplayer) that runs everything flawlessly.
8 out of 10 dentists prefer zipfero to competing brands(fraich3 and Mutantius)!
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| Posted: Mon, 28th Sep 2009 01:21 Post subject: |
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It's ok, he took the time to write the post and it might work too but I don't need to test it right now as the KMPlayer works nice. still thx
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| Posted: Mon, 28th Sep 2009 02:04 Post subject: |
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| PumpAction wrote: | | It's ok, he took the time to write the post and it might work too but I don't need to test it right now as the KMPlayer works nice. still thx |
Changing levels in Nvidia control panel isn't ideal solution, that's why I recommended you CoreAVC which gives great control over levels, and MPC HC which gives great control over external codecs.
C2D E6750 @ 3.2Ghz, 4GB 800MHz DDR2 4-4-4-12, GeForce GTX 260 c216 OC 896MB, 3.2TB, Windows 7 Ultimate x64
Xbox 360 Elite, PS2 Slim, Xbox
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