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wooolF
Joined: 12 Jan 2006
Posts: 146
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hyedipin
Joined: 15 Jan 2006
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wooolF
Joined: 12 Jan 2006
Posts: 146
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 Posted: Fri Jan 20, 2006 4:46 am Post subject: |
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@hyedipin
PMP is not a format that supported by any player by today's date... not even mplayer... The fact that you've seen some of'em on your PC is... well... amasing? :P |
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hyedipin
Joined: 15 Jan 2006
Posts: 74
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sti3
Joined: 09 Jul 2005
Posts: 9
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| Posted: Fri Jan 20, 2006 4:53 am Post subject: |
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| Just made my first video with audio stuttering. Is there a definitive answer as to what causes it? I'm reading that it seems to have something to do with B-VOPs or B-frames. Do we know yet? Does Packed Bitstreams (NVOP in Gspot) have anything to do with the stuttering? |
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wooolF
Joined: 12 Jan 2006
Posts: 146
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| Posted: Fri Jan 20, 2006 5:19 am Post subject: |
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@hyedipin
Prolly cause I use newest mencoder and your "player" is based on source of the "old" mencoder... Just a thought...
@sti3
I had audio probs with and without b-frames... I'm 99% sure it's because PSP's CPU can't handle the decoding process...
Example: same scene from some movie plays perfectly if I do not crop the bars (the real picture takes approx.70-75% of the screen's height) where the cropped version (so I can see the movie full screen) does have audio stuttering probs... 333Mhz just doesn't fit it IMHO... The minimum requirements for decoding (playing) an XviD file are not precisely known, and can change between systems and different builds by different people.
My advice is to disable Qpel, GMC and b-frames, those 3 adds a real increase in CPU power for proper playback. |
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sti3
Joined: 09 Jul 2005
Posts: 9
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| Posted: Fri Jan 20, 2006 5:27 am Post subject: |
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| The first videos I made did not take up the whole screen and worked fine. The latest video I made was 480x272 and had problems. Could this be the reason? Being the owner of a Philips DVP642 I never use QPel or GMC. I will try without B-frames as well. |
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wooolF
Joined: 12 Jan 2006
Posts: 146
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| Posted: Fri Jan 20, 2006 6:02 am Post subject: |
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| sti3 wrote: | | The first videos I made did not take up the whole screen and worked fine. The latest video I made was 480x272 and had problems. |
Just what I've said in my previous post =) |
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Eingang
Joined: 04 Jan 2006
Posts: 59
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| Posted: Fri Jan 20, 2006 10:04 am Post subject: |
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Hi there, I do have some news to report.
First thing is really really strange....
@Jonny
We had this bottleneck thing. Now Iīm really confused because I found out, that I was right. When I play the same pmp file from my black 2G pro duo and from my high-speed duo, I make the experience, the movie stutters with my black card (which has so bad benchmark value ) and does not stutter at all with my high speed card..... you can believe me, this is the truth. I also can notice, the LED light flashes a lot more often with my slow black stick than with the highspeed stick. Definetely this is a transfer speed issue, sounds strange but itīs the truth, I swear.
Second test was just 5 minutes with a special demanding scene, my test scene. I encoded this scene seperately, testet again on both sticks and guess what, none of them stuttered. What is the conclusion here ?? Right:
The larger the file the lower the transfer rate. Or maybe this has something to do with defragmentation. I guess itīs a combined effect of transfer speed and defragmentation. Edit: I looked the stick up and itīs defragmented a lot !!!
I just watched a 4000kbit movie with demanding scenes on my 1555 stick and it worked fine.... :)
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hyedipin
Joined: 15 Jan 2006
Posts: 74
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| Posted: Fri Jan 20, 2006 10:22 am Post subject: |
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wooolF, is it me or all your orgasm scenes studder?
For your ref, my score out of PMP BIN on my SANDISK Teal 1GB MS DUO PRO is 1555.19 .
Quality, overall, seems to be the best on MATRIX_R.XviD.sharp.Q_1_to_3.orgasm_scene.pmp (I used the grain comparion as well as the fast moving matrix comparison) but othwerise MATRIX_R.XviD.nonsharp.1200kbps.orgasm_scene.pmp was also pretty good. Just look at the backdrop (is it wall) behind talking dude at the beginning of the scene, sharp is too much on the others, and you can see the lines. (maybe needs a bit contrast touch or gamma correction?)
-Also, I don't know what it is, but the Madagascar and King Kong seek is very smooth, as opposed to pulp fiction or the other (ie tekken) seek is pretty choppy and huge frames at a time. (king kong is the smoothest)
_________________
Jan 18th v.0.07 - PMP Simple Converter by miemt11 to use with PMP MOD Player on your PSP PACKAGED ready. http://rapidshare.de/files/11293003/PMP_Simple_Converter_0.07_ReadyPack.rar.html
http://forums.ps2dev.org/viewtopic.php?p=33359#33359 |
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jonny
Joined: 22 Sep 2005
Posts: 351
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| Posted: Fri Jan 20, 2006 6:48 pm Post subject: |
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| Quote: |
(ie tekken) seek is pretty choppy and huge frames at a time
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this is due to 29.97fps -> 25fps framerate conversion
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When I play the same pmp file from my black 2G pro duo and from my high-speed duo, I make the experience, the movie stutters with my black card
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the encoding engine runs about at 30-32 fps
with the black sony ms, around 27-29 fps, so stuttering is more possible
i can only say, wait and pray :) (actually i'm fixing other issues that have an higher priority)
| Quote: |
Second test was just 5 minutes with a special demanding scene, my test scene. I encoded this scene seperately, testet again on both sticks and guess what, none of them stuttered. What is the conclusion here ??
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the conclusion is that the reencoded scene got less bitrate compared to the first encode
this test is not valid.
you should cut the scene out of the first encode, if you reencode it, everything changes |
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wooolF
Joined: 12 Jan 2006
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jonny
Joined: 22 Sep 2005
Posts: 351
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| Posted: Fri Jan 20, 2006 10:50 pm Post subject: |
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i've already given some tips.
bitrate must be restricted.
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you could try with xvid using the "AS @ L4" profile, this should restrict the max bitrate to 3000 (the restriction works only in 2 pass mode)
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divx also have profiles
everyone desperately needing no stuttering should experiment with profiles/max bitrate and vbv stuffs
for quality based encodes, it's probably not safe to go under quant=4 (anyway in this case things can't be controlled) |
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wooolF
Joined: 12 Jan 2006
Posts: 146
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| Posted: Fri Jan 20, 2006 11:35 pm Post subject: |
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| vbv stuffs? what's that :x |
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jonny
Joined: 22 Sep 2005
Posts: 351
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GiBBz
Joined: 17 Nov 2005
Posts: 19
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| Posted: Sat Jan 21, 2006 12:41 am Post subject: |
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| wooolF wrote: | | vbv stuffs? what's that :x |
it is used in 2pass modes, i experienced terrible skipping in videos in high motion scenes on my standalone player until i used the DXN HT PAL profile on XviD to set the correct buffering for my Mpeg4 player.
if u just follow the few simple restrictions for PMP im sure u will be fine, i have had not one problem since the 1st Jonny v1.0 PMP Mod release, unlike the Malloc version which i have clips that crash in that version and play fine on the original v1.0. so i dont use "pmp mod, mod" just "pmp mod" :P
i have seen page after page of skipping reports, which i have yet to see personally except in the spiderman trailer of jonny's but i have never gone above 1.2mb bitrate, maybe most of them are caused by incorrect framerates or hdd playback.
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wooolF
Joined: 12 Jan 2006
Posts: 146
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| Posted: Sat Jan 21, 2006 1:49 am Post subject: |
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@GiBBz:
Have you tried my encodings? See if the 1200kbps sharp edition works fine for you =) |
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toker#
Joined: 21 Jan 2006
Posts: 27
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| Posted: Sat Jan 21, 2006 2:03 am Post subject: |
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Thank you Johnny, u r a legend!!!
Full Res awesome.
My Settings
Video: 480*272 Xvid @768kbps / 2 - pass
Audio: CBR MP3 44.1khz @128kbps
Much better than PSPVideo9 @ 368x208 AVC @768kbps / 2 - pass, AAC 64kbps. However, the files are larger but i dont care.
Please add H.264 codec. |
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hyedipin
Joined: 15 Jan 2006
Posts: 74
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| Posted: Sat Jan 21, 2006 2:07 am Post subject: |
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| toker# wrote: |
Much better than PSPVideo9 @ 368x208 AVC @768kbps / 2 - pass, AAC 64kbps.
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Are you kidding me, even AVC is nowhere near pmp, at least not until in full resolution.
| toker# wrote: |
However, the files are larger but i dont care.
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my psp video 9 outputs and videora spits are normally even larger, comparing mp4 using the exact same (if not very similar) settings to just plain pmp out simple pmp's default settings, a big difference...
_________________
Jan 18th v.0.07 - PMP Simple Converter by miemt11 to use with PMP MOD Player on your PSP PACKAGED ready. http://rapidshare.de/files/11293003/PMP_Simple_Converter_0.07_ReadyPack.rar.html
http://forums.ps2dev.org/viewtopic.php?p=33359#33359 |
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toker#
Joined: 21 Jan 2006
Posts: 27
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| Posted: Sat Jan 21, 2006 2:55 am Post subject: |
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Can u not read?
"Much better than PSPVideo9..." and not much worse!!!
As for the file size it is probaby due to PMP is running 480*272 and PSPVideo9 @ 368*208. |
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hyedipin
Joined: 15 Jan 2006
Posts: 74
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yoshaw
Joined: 05 Jan 2006
Posts: 30
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| Posted: Sat Jan 21, 2006 5:23 am Post subject: |
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| jonny wrote: | | Quote: |
(ie tekken) seek is pretty choppy and huge frames at a time
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this is due to 29.97fps -> 25fps framerate conversion |
Exactly! The framerate had to be decreased to remove the audio crackling. Although I disagree to the choppy part comment made by the previous user because it's hardly 1 min in length and I've seen not one choppy scene in it. Unless you have a slow memstick read rate, then it's another issue altogether I guess.
PS: Or by choppy, you meant the video feels chopped since it gets forwarded so quickly? In that case, first, it's 25fps now, second key framerate is every 300 frames. So that's why. |
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hyedipin
Joined: 15 Jan 2006
Posts: 74
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| Posted: Sat Jan 21, 2006 5:37 am Post subject: |
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yoshaw, your conversions look pretty good overall, as I said before. The red balance is the problem, which seems to be causing from the source (dvd authoring)
 (frame 43, TGA format, 32bpp)
This weekend I will experiment as much as I can on various formats and various settings, and plan to add them to a sheet so people can see what input produces what results at which rate, more or less like what wooolF did, but will try to merge them into one report.
I don't know if S0NY is following these topics, but I surely hope they don't support DIVX in their next F/W release... 
_________________
Jan 18th v.0.07 - PMP Simple Converter by miemt11 to use with PMP MOD Player on your PSP PACKAGED ready. http://rapidshare.de/files/11293003/PMP_Simple_Converter_0.07_ReadyPack.rar.html
http://forums.ps2dev.org/viewtopic.php?p=33359#33359 |
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Sorted
Joined: 06 Jan 2006
Posts: 33
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| Posted: Sat Jan 21, 2006 8:09 am Post subject: |
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for Vobs , videora 2xpass at 900kb works UMD quality for me
Avis cant beat virtual dub 2x pass ,lanczos , 20 sharpening
Cant get over how good this prog is i am pimping! (PMP) every film i have!
once again major Kudos to Jonny for this prog, nearly missed my stop on the train about 3x this week watching movies going to work! |
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yoshaw
Joined: 05 Jan 2006
Posts: 30
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| Posted: Sat Jan 21, 2006 9:01 am Post subject: |
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| hyedipin wrote: | yoshaw, your conversions look pretty good overall, as I said before. The red balance is the problem, which seems to be causing from the source (dvd authoring)
(frame 43, TGA format, 32bpp) |
Thanks! And yeah, fully agreed. The DVD source is to blame for all these 25fps trailers I link in my sig, including Tekken. I also have to apply the de-interlace filter beforehand to get what you see there.
I found another alternative to removing stutter though. Which is to use Malloc's zoom function and encode the video at 1 step lower than full res. So keeping it(tekken,killzone trailers) at 368x208 while at the original 29.97fps gave me pretty solid results. Albeit I had to use Sharpness at 30 instead of the usual 20. |
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hyedipin
Joined: 15 Jan 2006
Posts: 74
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| Posted: Sat Jan 21, 2006 12:44 pm Post subject: |
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I think we may have to organize and get a real good conversion chart, if we find a format like source: encoder used: format: cmd switch if any: etc: etc: final size: link: something like this.
Although different source will produce different results, the best way is to just work on VOB and DIVX/XVID AVI SOURCE files.
To me, it seems like VDUB's xvid/divx handling is really the best (i normally extract the sound directly on Vdub and compress it using nero to mp3).
_________________
Jan 18th v.0.07 - PMP Simple Converter by miemt11 to use with PMP MOD Player on your PSP PACKAGED ready. http://rapidshare.de/files/11293003/PMP_Simple_Converter_0.07_ReadyPack.rar.html
http://forums.ps2dev.org/viewtopic.php?p=33359#33359 |
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xxxstarmanxxx
Joined: 05 Jan 2006
Posts: 84
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| Posted: Sat Jan 21, 2006 1:55 pm Post subject: Brightness quality |
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Here's a tip I just picked up at pspupdates to encrease the screen brightness level to 4.
By default if the psp is away from a charger it defaults to level 3 which can be a bit dark for some movies.
Use the following steps to increase the brightness to level 4.
1, Plug your power cord.
2, Adjust your brightness to Level 4.
3, Start a UMD game/homebrew.
4, When the program launch video is being played (the one with green balls flashed and PSP text in the middle of the screen), make sure you unplug the power cord from the PSP when the launch sound effect is over. You will notice that the brightness didnt fall down to level 3.
Brightness will remain at level 4 until the brightness button is used - so watch your fingers :P
This can be of great help in playback of some dark movies and also helps with the image tearing issue the screen has.
Keep up the good work Jonny/Malloc and all the encoding testers out there!
All the best
J. |
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hyedipin
Joined: 15 Jan 2006
Posts: 74
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miemt11
Joined: 20 Nov 2005
Posts: 89
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hyedipin
Joined: 15 Jan 2006
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