If it find a virus in this file, I think that it is time to change antivirus
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| Unofficial VirtualDub Support Forums > Codec Discussion > Best Codec For Editing In Premiere Cs5? |
| Posted by: nicfill Feb 18 2011, 05:43 PM |
| Long time lurker, first time poster. I'm looking for some suggestions on what codec to use for converting/transcoding screen-captures encoded in WMV9 for editing in Adobe Premiere CS5 My normal workflow includes three AVCHD camera sources plus a fourth screen-capture source that has been encoded in WMV9 Premiere CS5 --REALLY-- doesn't like mixing AVCHD and WMV9 in the same project so I wanted to convert the WMV9 screencaps into another format that would work well with AVCHD and Premiere 5.0 I'm assuming an H.264 codec would make the most sense but wanted to check in with the experts Any suggestions on what I should do? Cheers -Nic |
| Posted by: phaeron Feb 19 2011, 07:28 PM |
| If you used the WMV9 screen capture codec and you've got fine detail on screen that you want to preserve, like 10pt text, you should avoid applying industrial strength compression twice: either convert it to AVCHD and try to keep Premiere from recompressing it, or go to a lossless intermediate format. In particular, watch for unnecessary chroma blurring as most modern formats sacrifice chroma resolution for compression. |
| Posted by: nicfill Feb 21 2011, 10:54 PM |
| @phaeron Thanks for your reply Forgive my n00bness but what codec (settings) should I be selecting in VirtualDub? I've installed ffdshow and have selected it under video compression. What should Encoder, FOURCC and Mode be? I'm thinking H.264, H264 and "One Pass - Quality" at 95 Am I on the right track? Cheers |
| Posted by: ale5000 Feb 21 2011, 11:35 PM |
| For encoding in H.264 I suggest http://sourceforge.net/projects/x264vfw/files/ instead of ffdshow. |
| Posted by: nicfill Feb 22 2011, 12:29 AM |
| @ale5000 thanks for the recommendation. My virus scanner is warning against opening the file.... http://sourceforge.net/projects/x264vfw/files/x264vfw/30_1867bm_26400/x264vfw_30_1867bm_26400.exe That a false positive I assume? |
| Posted by: ale5000 Feb 22 2011, 12:46 AM |
| Yes, it is a false positive. If it find a virus in this file, I think that it is time to change antivirus |
| Posted by: nicfill Feb 22 2011, 01:02 AM |
 ThanksSome additional info - my input/source file is a 1280x720 WMV @ 29.97FPS, 10Mbps bit rate Given this, are there any specific codec settings/tips/tricks you recommend for x264vfw? I'm looking for the fastest possible transcode so that I get the file into Premiere for editing ASAP. Thank you for your help Cheers -Nic |
| Posted by: ale5000 Feb 22 2011, 01:10 AM |
| I suggest to compress to H.264 only at the final step (after editing). As intermediate format you can use http://lags.leetcode.net/codec.html (a lossless format and certainly faster on encoding). |
| Posted by: nicfill Feb 22 2011, 01:27 AM |
| My WMV screen captures are usually very long... up to 60 and 90 minutes in some cases. Will a Lagarith transcode be a (stupidly) huge file? :-) |
| Posted by: ale5000 Feb 22 2011, 01:50 AM |
| It is a compromise between completely uncompressed files and normally compressed files that take hours to encode. Try it on one of your files to see the size. |
| Posted by: nicfill Feb 22 2011, 07:05 PM |
| @ale5000 I tried a Lagarith encode of a ~60min WMV 1280x720 screen capture and the end result was about 45GB. I guess that isn't too massive but compared to the AVCHD camera sources which are approx 8GB for the same ammount of time, resolution & framerate it's still not ideal. We're using Canon XHA1's connected to Win 7 machines over firewire and recording via Adobe OnLocation CS5. And for screen capture it's a 1280x720 input into a DataPath capture card that we're encoding to WMV with Expression Encoder 4 at 10Mbitps and 29.97 fps If I could transcode the WMV's to the exact same codec as the camera sources that would be ideal...... Alternatively If I could find an another piece of software to record the screen captures in the same codec as the camera sources that would also solve my problem and save the transcoding.... Thanks again for your help so far.... and apologies for my n00bness.... any additional thoughts on my dilemma? Cheers -Nic |
| Posted by: ale5000 Feb 22 2011, 07:59 PM |
| 1) Have you tried with x264vfw? I suggest is check the "VirtualDub Hack" in the settings of x264vfw, other settings depends, there aren't really "perfect" settings. The problem is that it will take a lot more time to encode (and since you will encode more than one time you lost more quality). 2) To reduce the work I suggest to "capture" directly from VirtualDub: Go on File menu => Capture AVI... Then go on Device menu => select the device (Screen capture is also here) Then go on Video menu => Source... => change the options that you want (like if you want the mouse to appears or not) Then go on Video menu => Set custom format... => set the resolution Then go on Video menu => Compression... => set the video codec Then go on File menu => Set capture file... => choose where the capture will be saved Then go on Capture => Capture video |