| | | | Multithreading MJPEG
by Eric Carlson on Jun 2, 2012 at 10:04:18 pm
in the FFmpeg Forum
Hi All,
I have a scenario that requires high speed realtime encoding at 658x492x120fps. Currently we have been using the FFDShow_tryouts directshow filter. It is just barely out of range to keep up on many computers and we were hoping to paral | | | | |
| | | | Re: DVR recording and Vegas, AAC audio problems
by Dave Haynie on Mar 8, 2012 at 9:15:25 pm
in the Sony Vegas Forum
Yeah, that's what I guessed.. you have an MPEG-2 TS file, which includes streams for AVC and for AAC. The importer for this kind of file in Vegas seems to be a built-in, it's not being run via Microsoft's DirectShow, which is what most players will u | | | | |
| | | | Re: DVR recording and Vegas, AAC audio problems
by Dave Haynie on Mar 8, 2012 at 7:46:44 am
in the Sony Vegas Forum
PC DVRs often produce slightly weird files.
It could the combination of media type and file wrapper. For example, Vegas would expect AVC and AAC in an MPEG-4 file, but it would expect AC-3 or MPEG Layer 2 audio in an MPEG-2 Transport Stream or Pr | | | | |
| | | | Re: Sony vegas will not support MOV files???
by Dave Haynie on Feb 21, 2012 at 2:43:46 pm
in the Sony Vegas Forum
Same here... I have used dozens of cameras with Vegas, helped hundreds of people using it, and never run across something it wouldn't edit.
One thing that everyone getting into video needs to understand well is how multimedia frameworks function, | | | | |
| | | | Re: Sony vegas will not support MOV files???
by Dave Haynie on Feb 19, 2012 at 5:25:52 pm
in the Sony Vegas Forum
A CODEC Pack is never a good idea on anyone's PC. Not that most video professionals don't already know these aren't safe for editing machine use, but they're generally bad news.
But we're likely to get asked this stuff. Just as if you're a comput | | | | |
| | | | Re: Firewire to USB
by Stephen Mann on Feb 4, 2012 at 4:51:06 am
in the Sony Vegas Forum
Does anyone know of a good way to convert firewire to USB?
Short Answer - no.
Medium Answer - Yes, it's called a PC with a Firewire port.
Long Answer - Maybe. USB and Firewire use different protocols. USB is interrupt-driven - send a packet | | | | |
| | | | Realtime-Capturing 3D with SDK
by Valentin Schmidt on Jan 27, 2012 at 11:29:43 am
in the Blackmagic Design Forum
Hey,
I'm trying to capture a 3D-Stream with a Decklink HD Extreme 3D in real-time. For this I wanted to use the DirectShow Filters in the SDK 9.0. But it seems, that there is no filter to enable the right video source. Is it even possible to captu | | | | |
| | | | Problem with SDK Capture Sample
by Valentin Schmidt on Jan 27, 2012 at 9:56:54 am
in the Blackmagic Design Forum
Hi,
currently I'm trying to get the DirectShow sample of the sdk 8.5 running. But the application doesn't even recognize a source (DeckLink HD Extreme 3D correctly installed). I registered the DecklinkFilters.dll, but this doesn't help. Maybe you | | | | |
| | | | Livekey not working - what fileformat?
by Bertrand Hontele on Jan 23, 2012 at 12:29:10 pm
in the Blackmagic Design Forum
Hi,
I cannot get the LiveKey application working. Whatever fileformat i choose for the logo (bmp, tga, png,....) is says no alpha channel is present in the picture. I checked with several programs (GIMP2), but they are 32 Bits files. Can anybody g | | | | |
| | | | Re: Split DirectShow Capture
by Luana Black on Jan 10, 2012 at 6:12:47 am
in the FFmpeg Forum
To close the issue, here can be seen the changes made to segment.c
http://git.videolan.org/?p=ffmpeg.git;a=history;f=libavformat/segment.c;hb=HEAD
On 2011-12-19 was when they changed the variable names to "segment_time", "segment_format"...
I | | | | |
| | | | Re: Split DirectShow Capture
by Reuben Martin on Jan 9, 2012 at 12:47:34 am
in the FFmpeg Forum
The builds you are using are pulled directly from the git repo. Most likely they are coming from the tip of the development branch, which could have any number of undocumented changes. Furthermore, you don't really know if that is pulled from the mai | | | | |
| | | | Re: Split DirectShow Capture
by Luana Black on Jan 8, 2012 at 10:07:09 pm
in the FFmpeg Forum
I have been trying with older ffmpeg builds and i found that with this build it works:
ffmpeg version N-35709-g7d531e8, Copyright (c) 2000-2011 the FFmpeg developers
built on Dec 12 2011 13:50:00 with gcc 4.6.2
configuration: --enable-gpl --en | | | | |
| | | | Re: Split DirectShow Capture
by Luana Black on Jan 8, 2012 at 6:23:11 am
in the FFmpeg Forum
Thanks. I tried what you said but it still isnt working:
ffmpeg.exe" -f dshow -s 320x240 -i video="Video WebCam":audio="Micr¢fono (Realtek High Definit" -vcodec ffv1 -acodec pcm_s16le -map 0 -r 5 -f segment -segment_time 10 -container_format avi -se | | | | |
| | | | Re: AVI Quality Compression
by Walter Soyka on Jan 6, 2012 at 7:32:20 pm
in the Adobe After Effects Forum
[Christopher Rotter] "No DirectShow or VfW implementation. What is beneficial then using the Avid Codec and when you say it's a QuickTime Codec only, which means it only will play on QuickTime ? Sorry, want to make heads and tails of this :)"
It's | | | | |
| | | | Re: AVI Quality Compression
by Christopher Rotter on Jan 6, 2012 at 6:36:36 pm
in the Adobe After Effects Forum
Avid makes DNxHD freely available as a QuickTime codec only. There is no DirectShow or VfW implementation (one of which would be necessary for standard AVI output).
No DirectShow or VfW implementation. What is beneficial then using the Avid Codec | | | | |
| | | | Re: AVI Quality Compression
by Walter Soyka on Jan 6, 2012 at 2:42:39 pm
in the Adobe After Effects Forum
[Christopher Rotter] "I understand this, what are you trying to tell me that no program exist as to what I'm after. :)"
Sorry to blather on about stuff you already knew.
Avid makes DNxHD freely available as a QuickTime codec only. There is no D | | | | |
| | | | Re: Split DirectShow Capture
by Reuben Martin on Jan 5, 2012 at 10:25:36 pm
in the FFmpeg Forum
Looks like their documentation is out of date. Try something more like this:
ffmpeg.exe -f dshow -s 352x288 -i video="Video WebCam":audio="Micr¢fono (Realtek High Definit" -vcodec ffv1 -acodec pcm_s16le -map 0 -r 10 -f segment -segment_time 10 -co | | | | |
| | | | Re: Split DirectShow Capture
by Luana Black on Jan 5, 2012 at 4:39:37 am
in the FFmpeg Forum
Thanks for your reply. I cant get it to work, i am probably doing something wrong.
ffmpeg.exe -f dshow -s 352x288 -i video="Video WebCam":audio="Micr¢fono (Realtek High Definit" -r 10 -f segment out%03d.avi
ffmpeg version N-36088-gdd1fb65, Copyri | | | | |
| | | | Split DirectShow Capture
by Luana Black on Jan 4, 2012 at 3:21:35 pm
in the FFmpeg Forum
I am currently using ffmpeg to capture video and audio from direcshow (windows 7):
ffmpeg.exe -f dshow -i video="V string":audio="A string" -r 25 -t 300 -n output.avi
"-t 300" makes it to capture for 300 seconds (5 mins). But i would like to ca | | | | |
| | | | Some clarification regarding the Intensity Shuttle
by Adam Findlay on Dec 7, 2011 at 12:52:24 am
in the Blackmagic Design Forum
Hi. I've been looking at getting one of these for the purposes of streaming PC games, but having checked the specs I'm a little unclear on something and to be frank, i'm not comfortable taking the word of people on youtube who clearly struggle with t | | | | |
| | | | Intensiti Pro 1080i Directshow deinterlace
by Roberto Alda on Oct 27, 2011 at 4:05:18 pm
in the Blackmagic Design Forum
Hi,
i want to deinterlace a Video Signal 1080i 59.94Hz that is captured by my intensity pro in component mode.
In the sample in the Blackmagic SDK "Win\DirectShow\Samples\bin\DecklinkCapture.exe" it doesn't deinterlace the video | | | | |
| | | | Re: directshow/intensity shuttle problem
by clyde desouza on Sep 24, 2011 at 6:02:35 am
in the Blackmagic Design Forum
Sorry to revive this old thread.... but I don't think BM seem to have solved this issue?
I just sent in an email as suggested above.
...Dear Blackmagic-Design.
I’m sure by now you may be aware of the fact that the intensity shuttle seems to | | | | |
| | | | Re: Sony Vegas PRO 11
by Dave Haynie on Sep 10, 2011 at 3:07:05 pm
in the Sony Vegas Forum
Sony has a decent-enough upgrade policy -- you can still skip a version upgrade and get the discount next time.
There may also be an element of maximizing a minimal impact. This is the kind of things that you do all the time, in any business that | | | | |
| | | | Re: Cannot import DNxHD mxf
by Dave Haynie on Sep 8, 2011 at 1:49:52 pm
in the Sony Vegas Forum
That's no better than changing the file extension from .mxf to .avi or anything else. Materials Exchange Format has nothing to do with Quicktime, it's related a bit to AAF (Advanced Authoring Format).
When you load a complex file format like MXF, | | | | |
| | | | Re: Should I upgrade to Vegas 10?
by Dave Haynie on Aug 25, 2011 at 3:51:54 pm
in the Sony Vegas Forum
I would say, upgrade, if you can figure out why you need the upgrade. And also, given the time of the year, I do wonder how far away Version 11 is....
The main reasons I upgrade. First, AVC rendering, while not GPU accelerated, is a bit faster in | | | | |
| | | | Re: Premiere Pro cs5.5 preset problem
by Todd Kopriva on Aug 2, 2011 at 9:49:55 pm
in the Adobe Premiere Pro Forum
> I remember installing some codecs to sort some directshow filter problem maybe that created a conflit?
A lot of free codec packs are poison to professional editing applications, displacing good codecs. Only install additional coedc packs that | | | | |
| | | | Re: Premiere Pro cs5.5 preset problem
by Marcelo de Ramos on Aug 2, 2011 at 8:49:51 pm
in the Adobe Premiere Pro Forum
ok Todd Kopriva maybe we're to getting somewhere here I remember installing some codecs to sort some directshow filter problem maybe that created a conflit?
ok I checked under the help menu and the word Deactivate is there but is not clickable
an | | | | |
| | | | Re: Vegas 10 not reading Neoscene Cineform files
by Dave Haynie on Jul 6, 2011 at 5:27:22 am
in the Sony Vegas Forum
Older Cineform files work just fine in Vegas 10, once you update the Cineform CODEC. The file format hasn't changed, and if anything (as is typical with these sort of things), newer versions may produce better results. But the datastream format is fi | | | | |
| | | | Re: Sony Vegas Pro 10 preview box
by craig mcarthur on Jun 23, 2011 at 9:05:46 pm
in the Sony Vegas basics Forum
Right, I just checked the computer and there is a K-lite codec pack already installed. I have now uninstalled it and about 20 windows appeared saying something like 'Directshow link is broken, remove from registry?' I said yes to all.
Project sett | | | | |
| | | | Re: Intensity Pro issues in Windows 7
by Luke Rieschiek on Jun 9, 2011 at 2:47:48 pm
in the Blackmagic Design Forum
I haven't solved it yet, just worked around it with SD over IEEE1394, but I'd like to get it working again. I've tried the Windows 7 drivers which were released since, and still no joy. MediaShout sees the card as a source, but the video doesn't co | | | | |
| | | | Intensity Pro + Directshow + VLC
by Elendill elendill on Jun 6, 2011 at 2:47:03 pm
in the Blackmagic Design Forum
Hi !
I have an Intesity pro card an I am trying to stream from a camera with VLC but it doesnt work.
I just try to read the stream and it doesnt work too.
When selecting a peripheral I choose Decklink video and configure it.
But when I clic | | | | |
| | | | Re: DirectShow or Video for Windows Only?
by Steve Veach on May 5, 2011 at 4:49:37 pm
in the Sony Vegas Forum
Thanks John. Just what I suspected. Disappointing. I don't know what other opinions are, but it seems to me that once Sony bought Sonic Foundry from a bunch of hot-shot developers in Wisconsin, technological advances came to a snail's pace. :-( | | | | |
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