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Pegasys Products BBS [ Sorted by thread creation date ]
We are trying to cut and merge several short captured (DV) video sequences to SVCD.
We're encoding them to MPEG2 first and when merging the files to one large output file, a small number of frames at the end of each sequence gets lost. Is this a bug or does this depend on the GOP structure of the files? How can this be avoided? (I even tried just running a single sequence straight through cut/merge and still the end ist lost.)
Additionally, when cutting MPEG2 files: I understand that TMPGENC can only cut at GOP borders, but it may be highly desirable to have some kind of indication while chosing the cut point.
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Additionally, when cutting MPEG2 files: I understand that TMPGENC can only cut at GOP borders, but it may be highly desirable to have some kind of indication while chosing the cut point.
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I totally agree, and have sent this request many times to the developers.
What I have been doing is capturing at a 8mbs constants bit rate, then make a first pass with TMPGEnc, with the settings to produce a super high quality file contining only IFrames (this pass it is pretty darn fast). Then I use TMPGEnc's DVDAuthor to slice, dice, and merge clips together (it has a real nice merge and cut), and take the resulting DVD files, and run them though DVD2AVI and feed them back to TMEGEnc for the final render. Doing it in this manner allows me to slice and dice to a single frame.
Sure wish TMEGEnc would improve the cutting tools. It is possible to do, but would require code to turn those P and B frames to an IFrame.
That is Correct Tmpgenc can only Cut on I frames so if your Cut is not on an I frame it will moove to the closest One...The only real way to overcome this is to use a High Quality Frame Accurate Mpeg editor Like "Mpeg2VCR" which works great for Mpeg editing....Cheers
Thanks for info, folks - I'll try the solutions suggested.
The cutting within GOP structures (or at least an indication of the GOP borders) would be a very desirable wish list item for the future.
However the bug in Cut&Merge (yes, that's definitely a bug) currently restrains me from buying. Is it possible to reevaluate a future version on the same machine? Otherwise that might be it for TMPGENC, as our evaluation time limit will not survive the weekend...
It isn"t a Bug in the "Merge & Cut" that is stopping you from editing in Gop"s, This is the way it is supposed to be as Most Mpeg editors work this way and Only the Most High end Mpeg editors are Frame accurate and thay are very Expensive as I only know of 2 Frame accurate Mpeg2 editors and One of them costs about $1500 US...For the Price Tmpgenc is the Best Encoder you will get and you will not Find an encoder that comes with a frame accurate Mpeg editor as Mpeg editors are more expensive than Mpeg encoders, and you will be hard pressed to find a better mpeg Encoder than Tmpgenc in the Price range....Cheers
Cutting within GOP-Structures isn't possible without reencoding some Frames. Only expensive Programs are able to do that - with a loss in Quality at the Cutting-Points.
If you want to try an other Cutting-Tool, try the German Program MPEG2Schnitt.
I am having a problem in converting rmvb to mpeg. When I try to conver it, it says that it is not support is there a way I can get around that problem ?
hi
I was trying to convert avi file to mpeg.
Although i choosed system option(video
+voice)and merge and cut -all the process
-the outcome is no voice.original 702 mb avi file inflated to more then 2gb
mpeg.the movie itself took approx 1.16 gb and the rest-i could not figure qut what it entails ,who knows?
anyway no voice and impecable video quality.
Ill appreciate your comments and help.
You chose the wrong setting.
The setting you are using is for DVD only which can use wav audio (I presume this is what you mean by voice)
Obviously by splitting it you are trying to create a SVCD or VCD which CANNOT use wav audio and the merge&cut tool will not accept wav audio.
You need to choose Mp2 audio.
I am having a problem in converting rmvb to mpeg. When I try to conver it, it says that it is not support is there a way I can get around that problem ?
No there is no way to get around the Problem because Tmpgenc Does not Support RM Files...Actually there are No high Quality encoders that support RM files Probably because RM is such a Crappy low Quality format...The only encoder I know of that will encode RM to Mpeg is called "EO_Video" but it is slow and the Encodeing Quality is Not very good......Cheers
I've never had this problem before and I've done a lot of encoding but when I try to encode an AVI file, it no longer comes out with the same aspect ratio as the source.
Description:
I'm using TMPGEnc Plus v2.521.58.169 and my source is a simple AVI file (160x120 [4:3], 4CC: iv32, Name: Indeo 3.2, Bitrate: 278 kb/s, FPS: 15.00; Audio Codec: PCM Audio).
I'm trying to convert the AVI file to a Super Video-CD in PAL, CBR Standard format.
In the "Select source file" page of the wizard, I selected "4:3 625 line (PAL)" for aspect ratio (I also tried "4:3 Display" and also "1:1 (VGA)" but the problem persists). I set video type to Non-interlace.
The only filter I changed was the "Video arrange" setting, which I changed to "Full screen (keep aspect ratio)". I also tried encoding with the default setting of "Full screen" but the problem still persists.
When I try to play the encoded AVI file in any video player, like Windows Media Player 9, the picture width is decreased about two thirds of the original and the height is increased by about the same amount. Any figures in the video look stretched much too thin and tall.
I never used to have this problem. Oddly, if I encode the AVI file to MPEG 1 format, with exactly the same settings as described above, the file comes out OK, same as the source!
Is there abug in the program or have I got a corrupt MPEG-2 encoder or am I doing something wrong?
Well It might be because you source file is 4:3 But NTSC, What should fix this is if you set the "Video Arange method" to "Center(Custom Size)" and put in 352+240 as the Size, This will display the Image in it"s original 4:3 Aspect ratio but with a 24 Pixel Boarder on Top and a 24 Pixel Boarder on the Bottom.....Cheers
When I try to convert *any* video to either MPEG-1 or 2, the output displays lots of corruption. Lots of randomly coloured blocks appear over the video, and render it unwatchable. However, this only occurs when SSE is enabled. I am using an AMD Athlon XP2400+ with windows XP Home.
Well This Could be because some of the Older Athlon XP Proscessors(Palamino) do not Support the SSE Instruction set so this might be the Problem and since you know what the Solution is (Disable SSE) it seems that you have the Problem Beat......Cheers
Looks like a Memory-Timing-Problem. Tried to change the Timing in the BIOS?
Hm, and your Speed is very low. My P4 1.9 with only SD-RAM(!) is faster than Realtime while producing VCDs.
Have you tried raising the priority of the 'Directshow file reader' to 2 in the VFAPI plugins. This just looks like a decoding problem to me and raising the priority may well fix it.
Ok will try changing the memory speed settings in the BIOS. I have tried changing the filter priorities but I don't think that's the problem because my PC also has trouble decoding wma files. When I play these there's lots of digital popping so I assume it's a more general system problem. Thing is, I've already had the motherboard replaced once due to an AGP timing fault, so I hope it's not from a faulty batch :((
After changing the timing settings in my BIOS, I still haven't been able to solve the problem. I even managed to stop my system from booting once! (brown trousers time)
While looking through the TMPGEnc version history, I noticed this in v2.50: "For compatibility matter, SSE order for Athlon XP is not enabled at default setting. You can enable it with your own risk."
I wonder if this could be part of my problem (Even though I'm using v2.521 etc)? Perhaps TMPGEnc has a compatibility issue rather than my system being at fault... I may never know :p
I downloaded the trial version to test on vro files copied off my Hitachi DVD-RAM camcorder. The resulting project when played back with PowerDVD looked great with video and audio in the first scene, but the audio completely stopped for subsequent scenes. The Hitachi specs meet the requirements of the TMPGEnc DVD Author software - MPEG Audio Layer 2, 704 x 480.
Am I missing a setting, or has anyone else run into this?
What do you mean it's too short?
Do you want it to play over and over right until the end of the movie?
If so then you will have to use an audio editor to just copy the audio track and attach it to the end of itself as many times as you need to.
The limit is 800mb not 700mb and no it will not be split unless you use either the source range function while encoding or use the Merge&Cut tool to split it afterwards.
If dvd2avi tells me the aspect ratio of a dvd rip is 16:9, then i choose Source Aspect ratio: 16:9 in the "advanced" tab and in Aspect ratio: 4:3 Display in the "video" tab. I encode to watch movies on my DVD player.
Most modern movies are 16:9 anyway but one thing has been troubling me all this time. Somehow watching the vcd/svcd/cvd on my regular TV, it doesn't quite look 16:9. It looks as if the sides have been cropped off and I don't mean simply overscanning on the TV. The top and bottom are fine I think, just the sides are the problem. The rectangle looks a bit more squarish than what I would see in a movie theater.
When I burn a video someone else has encoded and posted to a newsgroup, their aspect ratio looks fine. The 16:9 looks proportional to a movie theater screen.
Any ideas/clues appreciated in what I'm doing wrong.
I am using "video arrange method" full screen (keep aspect ratio) in the advanced tab and "aspect ratio" 4:3 display in the video tab. Forgot to mention this in my first post.
I've tried using full screen (keep aspect ratio 2) but it doesn't seem to make any difference. What is the purpose of this option?
All this time I was guessing that when I get a 16:9 display TV then the vcd/cvd would display more correctly--that is, would simulate a movie screen better porportion wise but I'm not sure. What I'm seeing doesn't look compressed or stretched btw, it just doesn't look rectangular enough because the left & right sides seems to have been cropped. It's as if there should be bit more black area at the top and bottm too. I always feel it should be wider than what I'm seeing. Oh yeah, I'm not getting a 16:9 mixed up with a 2.35:1 like Die Hard or Alien Resurrection.
The DVD player is a Pioneer DV434 and it does fine in distinguishing between 16:9 and anamorphic widescreen when I play a DVD so I don't think Pioneer isn't at fault.
It seems others aren't getting this problem since I don't read about it so if it's some quirk in the combination of my Sony TV attached to the Pioneer, I might have to do a center (custom size) but I'm guessing this will take longer than svcd or cvd and it would also be noncompliant. In fact, won't a custom size defeat the purpose of encoding in 1/2 DVD to begin with?
Resolution: 480x480 NTSC SVCD or 480x576 PAL SVCD, 352x240 NTSC VCD or 352x288 PAL VCD
If it still doesn't look correct with the above settings then either your source has a different aspect ratio or your TV has a problem.
Regarding the custom size, this will not affect the speed of encoding or the compliance of the actual output at all.
It simply places the required image size inside the selected output framesize thus remaining compliant.
This happens when the audio format in your AVI file is on an Unsupported Format...What you will have to do is Extract the audio from the AVI file to Wav format then use the Wav file as the Audio Source in tmpgenc...You should be able to extract the audio useing "Virtual Dub"....