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14th September 2004, 16:28 | #61 | Link |
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Nice one Moitah, looks good...
Thanks
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14th September 2004, 16:40 | #62 | Link |
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Whoa, everything I ever wanted and more! My new dvd/mpeg4 player does obey field-order, and my old interlaced videos were 'juddery'. When changed to 'tff' with your tool, they become smooth again. Also, knowing gmc or qpel is important, since the dvd/mpeg4 player can't handle these. Many thanks for a fantastic tool.
-Minolta |
16th September 2004, 21:14 | #63 | Link | |
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Quote:
MP4: I can't say I'm really interested in MP4, not because I don't like it, but I've never had a reason to use it. To answer your question, though, I don't see why it wouldn't be possible (though I haven't seen the specs for it).
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16th September 2004, 21:32 | #64 | Link |
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Some information about the stats in 1.2.0:
"Dummy N-VOPs" are N-VOPs used as placeholders for real VOPs when packed bitstream is used. These show up in the frame list as "N-VOP(D)", and they are not used in the stats for calculating the amount of N-VOPs in the video. The calculation method for consecutive B-VOPs... I will give an example: I B B P B This would be shown as "1 consec: 50%, 2 consec: 50%" (as opposed to "1 consec: 33%, 2 consec: 67%"). Here's an example of what the stats shows, for those who haven't tried it: Code:
Packed bitstream: Yes QPel: Yes GMC: Yes (3 warp points) Interlaced: Yes (top field first) Aspect ratio: Custom pixel shape (141:80 = 1.7625) Quant type: MPEG Custom Custom intra matrix: 8 9 10 11 12 14 16 18 9 11 12 13 15 16 18 20 10 12 14 16 17 19 21 22 11 13 16 18 20 22 24 26 12 15 17 20 23 25 28 30 14 16 19 22 25 29 34 38 16 18 21 24 28 34 46 52 18 20 22 26 30 38 52 72 Custom inter matrix: 16 16 17 17 18 19 21 23 16 17 17 18 19 20 22 24 17 17 19 20 21 23 24 27 17 18 20 22 24 25 28 32 18 19 21 24 26 29 36 40 19 20 23 25 29 40 48 52 21 22 24 28 36 48 60 64 23 24 27 32 40 52 64 106 I-VOPs: 3 (0.42%) P-VOPs: 52 (7.29%) B-VOPs: 460 (64.52%) S-VOPs: 198 (27.77%) N-VOPs: 0 (0.00%) Max consecutive B-VOPs: 2 1 consec: 15.26% 2 consec: 84.74% Code:
0: I-VOP (0:00:00.000) 1: P-VOP (0:00:00.066) B-VOP (0:00:00.033) 2: N-VOP(D) (0:00:00.066) 3: P-VOP (0:00:00.166) B-VOP (0:00:00.100) 4: B-VOP (0:00:00.133) 5: N-VOP(D) (0:00:00.166) 6: P-VOP (0:00:00.233) B-VOP (0:00:00.200) 7: N-VOP(D) (0:00:00.233) 8: P-VOP (0:00:00.333) B-VOP (0:00:00.266) 9: B-VOP (0:00:00.300) 10: N-VOP(D) (0:00:00.333)
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16th September 2004, 21:45 | #65 | Link | |
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Quote:
What us MP4 enthusiasts need are people like your good self creating tools to help raise the profile of the container (so more people use it) because it really is rather flexible! As you know, there's quite a buzz on the forum regarding Ahead's proposed h.264 (AVC) implementation. Which sufficed to say is in MP4 Cheers
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17th September 2004, 19:28 | #66 | Link | |||
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Quote:
Quote:
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Maybe new Ateme's H.264 codec will change your mind in time. People will definitely be needing tools for it. |
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25th October 2004, 02:12 | #67 | Link |
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I'm getting 'Invalid VOL.' when trying to open an XviD movie. Here is a 1.78MB sample of the offending movie which gives the same error.
=http://www.deadman3000.plus.com/test.avi Oops! It's not XviD it's DiVX 5.02 or so Nandub says. Nevermind then. Last edited by oddball; 26th October 2004 at 01:30. |
25th October 2004, 02:25 | #68 | Link |
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test.avi link points to the wrong URL...
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25th October 2004, 17:29 | #69 | Link |
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Hi Moitah,
I noticed the other day that the current version does not put a little "dot" in DAR section, even if DAR has been set using Mpeg4 Modifier: - Can this be fixed? Cheers
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25th October 2004, 18:09 | #70 | Link | |
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Quote:
EDIT: I want to clarify the way aspect ratio is stored in MPEG 4. It is a 4 bit number, here are the possible values: 1: Square pixels 2: 4:3 PAL pixel shape 3: 4:3 NTSC pixel shape 4: 16:9 PAL pixel shape 5: 16:9 NTSC pixel shape 15: Custom pixel shape If the value is 15, two 8-bit integers follow, which specify the width and height of a pixel, respectively.
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25th October 2004, 19:07 | #71 | Link | |
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Quote:
Strange then, that ESS chip-sets b0rk when playing encodes with 4:3, 16:9 and 2.35:1 "DAR" settings... maybe these setting are too accurate! I notice XviD list their 4:3, 16:9 and 2.35:1 settings as "Picture Aspect Ratio". In hindsight, this terminology might prove less confusing than describing it as being DAR, since it's not DAR in it's truest sense... What do you think? Now given that DAR information can't be stored in the Mpeg4 bit-stream. Do you know if it can it be stored in the AVI or MP4 container? And do you know where the DAR information is stored with Mpeg2 streams. Is it in the stream or in the container? Cheers
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26th October 2004, 01:37 | #73 | Link |
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well, my dvp-642 b0rks on custom par settings also. in fact, i doubt the player reads AR flags at all, instead simply skipping ahead 8 bits. of course, a custom par is 24 bits! it becomes confused and dies...poor guy.
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26th October 2004, 08:45 | #74 | Link |
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Hey oddball, what XviD build are you using on that? No version number (a la XviD0036) comes up for me when I try to check it out. I've seen that same VOL error before, only on things encoded with older builds from what I recall. They might have changed the header format somewhere along the way.
BTW Thanks Moitah for the great app! It's so useful to be able to pull up so much information about an encode so quickly. |
26th October 2004, 11:35 | #75 | Link |
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Moitah,
I've just made a suggestion to sysKin. How about renaming the "Display AR" section to... "Pseudo DAR"? Just a thought Cheers
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26th October 2004, 17:34 | #77 | Link | |
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Re: Hangs on files > 2GB
Quote:
As you know MP4 is a container and just happens to be the generic container for Mpeg4 The 2GB limit is a problem with AVI files and is one of the reasons why I prefer to keep my Mpeg4 streams in the MP4 container. But I'm lucky I can play MP4 contained files in hardware and view them on my TV... What stand-alone player do you have? Cheers
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27th October 2004, 02:18 | #78 | Link | |
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Quote:
The VOL in this file ends on a byte boundary, but there is no padding following. If you really want to modify this video, send me a PM and I will make you a compile with the pad checking removed... I don't feel like making an offical release just for this .
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27th October 2004, 14:32 | #79 | Link |
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Hi Moitah,
I think it might be worth mentioning that when you use mp4UI to de-mux Mpeg4 streams to AVI, MPEG4 Modifier v1.2.0 also reports "Invalid VOL".... And that MPEG4 Modifier v1.1.0 reports no such problems! Cheers
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27th October 2004, 21:38 | #80 | Link |
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Sorry, wrong thread...
No, it was MP4, encoded with Nero Recode 2. It produces files with MPEG-4 encoded video and muxed AAC. The quality is very good. Because my new Daytek DVD PX 351 (ESS chipset) only can play AVIs with AC3 or MP3 I wanted to demux the 4 GB MP4 video (and mux with AC3). But MP4UI cannot open such big files. Yes, AVI has the 2 GB limit, but not MP4. I'm wondering why VirtualDub doesn't have that problem. Last edited by frank; 27th October 2004 at 22:59. |
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