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10 views

DirectShow video capture as MPEG-4, with FFmpeg

When using the FFmpeg dshow module, MJPEG is used as data from the webcam. Input #0, dshow, from 'video=Logitech HD Pro Webcam C920:audio=CABLE Output (VB-Audio Virtual Cable)': Duration: N/A, ...
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0answers
15 views

DirectShow error causing non function WebCam

Recently, I found out none of my application can detect my webcam anymore (which works without any issue before). I have tried to reinstall the webcam driver and my device manager can see my webcam ...
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0answers
42 views

How do I output FFmpeg to Wirecast?

I want to use my Logitech c920 in Wirecast Play on a Windows 8.1 desktop. (This was in the line of webcams that had notorious issues. A thread pointed out FFmpeg support via DirectShow.) I can now ...
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2answers
1k views

Windows 10 DirectShow Crash

After recently upgrading to Windows 10 (recently, as in a couple months back), I've encountered a few problems with Windows 10. One of which is the DirectX DirectShow component. When running 'dxdiag', ...
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0answers
74 views

Can't capture mic during audio playback with ffmpeg and dshow

I record sound coming from the built-in mic on my laptop using ffmpeg and dshow on Windows 8. It works, until I start playing some music on my laptop from specific sources, for example if I start a ...
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98 views

Mux video with synthesized audio without rendering

I'm trying to find a way to mux together an existing video file that has no audio track, an AVI, with a synthesized voice without having the rendering the video or audio in real time. I know I can ...
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1answer
522 views

How to fix missing Media Foundation Microsoft AAC Audio Decoder Transform MFT Windows Server 2k8r2 sp1

I have a Windows Server 2008R2 SP1 VM that has somehow lost its Media Foundation AAC Transform. I discovered this when certain .MOVs with AAC streams were not behaving as expected. I opened TopoEdit ...
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0answers
500 views

FFMPEG DirectShow: Could not run filter

I'm trying to take a picture from my webcam using FFMpeg. This is what I'm trying to run: @echo off :: Get date and time for /F "usebackq tokens=1,2 delims==" %%i in (`wmic os get LocalDateTime /...
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1answer
379 views

Record webcam automated with unknown duration

I need to record (not stream) from my webcam, convert it to H.264 and store it in a mp4-container. With VLC media player I can do this manually with the Open Capture Device menu where I just have to ...
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0answers
926 views

VLC output to DirectShow

I have a playlist of video files in various formats (which VLC will happily play while others choke on some of them). I have another program which will only accept as input a DirectShow Source device ...
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1answer
7k views

VLC DirectShow capture to use default audio device

I need to capture audio with VLC from the default capture device set for the system in Windows. If I set the audio device in the capture dialog to "Default", it seems to capture from the first audio ...
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0answers
121 views

Localized directshow device names

On my computer device list obtained by ffmpeg looks following: Two devices before end named with garbage symbols. It is impossible to use these devices directly. How to use them then? UPDATE ...
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0answers
213 views

The sound is periodically “dying” when capturing with ffmpeg + directshow

I am trying to capture video and sound with the following command ffmpeg -f dshow -r 15 -i video=screen-capture-recorder:audio="Desktop Microphone (2- HD-5000 - Microsoft LifeCam.)" -acodec mp3 -...
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0answers
385 views

Windows lists the wrong Directshow Audio Capture Devices

Some time ago the directshow audio capture devices on my Win7 machine stopped updating. For example ffmpeg -list_devices true -f dshow -i dummy lists devices that have been uninstalled already and ...
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1answer
85 views

Audio plays in GraphEdit but not WMP

I have trouble with only one file format. I can play my files just fine in GraphEdit and GraphStudio, but WMP absolutely refuses them. In typical Microsoft fashion, it gives no helpful error. In fact ...
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0answers
90 views

Trouble playing a 1bpp video

I have created a 1 bit per pixel video (.avi) on windows XP (The way I created it is not important because it works), and I have played the video with the default Windows Media Player of Windows XP (...
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1answer
503 views

DirectShow capture devices disappear while connected with Remote Desktop

I use an excellent videosurveillance Windows app named Blue Iris that saves audio/video from 4 USB webcams + 1 IP cam. All the 5 cams have integrated microphones. For the IP cam, the app receives and ...
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1answer
1k views

How to view the filter graph used by Windows Media Player

i have a video that i cannot render in Graph Edit: GSpot cannot render: and AVISynth's DirectShowSource cannot open: And yet Windows Media Player (12) can play it fine. How can i figure out ...
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1answer
2k views

vlc dshow:// how to limit playback time

I want to use VLC media player to record from an USB TV receiver. I would like to schedule when to record, but calling vlc from the command line: vlc -Idummy dshow:// --sout=#transcode{vcodec=mp2v,...
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2answers
791 views

Windows media scaling/interpolation method

Usually in Windows, if videos or other media is upscaled from a certain resolution to a higher resolution (e.g. "monitor size"), a bilinear filtering algorithm or similar is used, such that the ...
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4answers
6k views

Is there a VirtualDub alternative which works with DirectShow filters?

The question says it all: I'm looking for a VirtualDub alternative which can work with video files if there's only a DirectShow filter available (and not a VFW filters as VirtualDub requires)
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2answers
3k views

Using DirectShow filters in Windows 7 instead of Windows Media Foundation

I have started using the RC1 version of windows 7, and I noticed that for playing videos, Windows 7 does not use ffdshow after I installed it. I narrowed down the issue to the fact that Windows 7 ...