Cannot create audio capture filter error

cannot create audio capture filter error

“Cannot create video capture filter” If you see this error message, the likely cause is a camera driver problem (incomplete installation, corruption, etc.). HI make sure you have selected a microphone, go into "devices" (on amcap utiiity)and ensure a microphone is selected, maybe you have no mic or maybe you. You cannot start capture. The Capture panel also displays one of these errors: "Capture Device Offline." "Can't activate recorder. Try resetting.

Cannot create audio capture filter error - remarkable message

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3.0 out of 5 starsA pain to install. But if it shows up as usbtv007, read on.

Reviewed in the United States on September 25, 2012

These things are almost not worth the amount of trouble they cause with trying to install, seeing how over half of these 'EasyCap' devices are , clones, fakes, or non working counterfeits. The main EasyCap forum you will likely find via a Google search will list a BUNCH of drivers, for multiple versions of it, even for the fakes and clones. (I spent about a day trying to install it using those drivers, failing with all of them) I was actually trying to return it, when I remembered how I had to go about installing a PS2 EyeToy, and was reminded by a skype contact to try using that method for this situation.

I am running Windows 7 64-bit:
The CD bundled with the item, you do not need to install anything from it if you don't want to. Just don't install the drivers through the installer program, they seem to just get ignored by Windows when you try to install the EasyCap. So just leave the CD in the drive for now. If you haven't done so already, place the CD in the optical disc drive. Ignore the Autoplay prompt.

Open Device Manager: Open the "Control Panel", then click "Hardware and Sound". Under "Devices and Printers", you should see the "Device Manager", click that to open the "Device Manager". (If you want, set/drag this window aside so it doesn't get in the way as much)

Plug in the item into a USB 2.0 compliant port. You'll see it trigger the 'plug-and play' installation and obviously FAIL. Take a moment and laugh at it's failure. You also should see the device you plugged in appear listed under "Sound, video and game controllers" as "usbtv007". From here, right click "usbtv007" and click on "Update driver software".

A new window should have popped up for the device with two options; "Search automatically for updated driver software", and "Browse my computer for driver software". Click on "Browse my computer for software".

If you have the CD loaded in the drive, you should be able to get/navigate to the driver needed now.
Click the "Browse..." button, and you will be greeted with another, smaller window, use this to scroll down or navigate to the CD drive. The CD I'm using for this is named "CD60++", and when I open it, has TWO folders, "AP2" and "AutoPlay". You will click on the little triangle/arrow (>) next to the "AutoPlay" folder, which will open the file tree and list 4 more folders. Our focus will be the folder named "Drivers".

Click on the arrow (>) next to the folder labeled "Drivers", you should(might) now see a set of folders named "ATV007_Vista_32", "ATV007_Vista_32", "ATV007_Win7_32", and "ATV007_Win7_64". Click on the folder which your Operating System matches/corresponds with. Now you can click the OK button.

In my case, my disc drive is G:\, so after a bit of clicking, and then clicking 'OK', the smaller window will close, and I see "G:\AutoPlay\Drivers\ATV007_Win7_64" in the space next to the "Browse" button.
From here, simply click "Next", and it should install. First thing I started up was Procaster, as that is my main intention for this device. It works fine with it so far.

If it went right, it should install as OEM Capture.
From here, I haven't gotten audio to work on it yet, (haven't tried yet) but I'm resourceful, and I happen to have something similar to this HDE ® 3.5mm Male to 2 RCA Left & Right Audio Female Adapter (but with more cables, haha) plugged into my microphone port on my computer.
(Sorry if I got a bit chatty, I get like this when I don't sleep.)

AMCap Frequently Asked Questions

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Disclaimer

If you install a demo version over a full version, the application will revert to a demo version only. Please make sure to keep a copy of the installer of the full version.

The demo and the full versions of the application are basically the same provided that the version numbers match in the About box. That means that both versions behave exactly the same way and have the same feature set, the same capabilities and the same restrictions; in other words, what works in one version works in the other and conversely, what does not work in one version does not work in the other either.

The demo version allows you to test every feature of AMCap for free and for as long as you want, the only two limitations of the demo version are:

  • the application stops video preview and recording after 15 minutes of use and display a dialog box inviting you to either buy the full version or exit.
  • every still is watermarked with the name of the application across it.

Grayed out options in the menu are not limitations of the demo version in any way, they are due to the current configuration of the application (video capture device, video renderer, etc.) Please read through the help file to learn more about this.

Important: please thoroughly test the current demo version available here before considering a purchase.
No refund will be made once the full version is downloaded or if a CD is ordered.

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1. I captured a video using AMCap but when I try to process it in RegiStax I get a "Failed to decompress AVI frame" message. Is it possible to capture uncompressed video with AMCap?

This message is not directly related to AMCap. By default, AMCap captures uncompressed video. This message usually means that the .avi file is too large and exceeds 1GB in size. In RegiStax, try to uncheck as many frames as needed from the end of the list and try again or use Windows Live Movie Maker or another video editor to trim the file. Please visit the RegiStax website if you need further assistance with this program.

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2. My webcam is not listed in the Devices menu or I either get one of the following messages: "Sorry, you have no video capture hardware." or "Unable to start preview"; or the preview screen is plain green or black. How do I get my webcam to work?

There are lots of possible reasons including the worse one, a failing device. On the other hand, you can often fix such an issue with one or more of the following steps:

  • First off, make sure that your computer and Windows meet the requirements of your webcam (see the user's manual or the manufacturer's website).
  • Otherwise, unplug your webcam, reboot your system, plug your webcam and try again.
  • Unplug all other USB devices connected to your PC and try again. If that works, plug back the USB devices one by one to identify which one is conflicting.
  • Either unplug your webcam and uninstall its drivers from Control Panel > Add or Remove Programs;
  • Or, click Uninstall device in the Device Manager then unplug your webcam if there were no uninstall options available in the Control Panel.
  • Reboot your system afterwards then try to reinstall the drivers; only plug the webcam after the installation is complete and possibly after rebooting (but if told to do otherwise by the instructions from the vendor/manufacturer)
  • You can ignore the previous step if your device is driverless i.e. you first plug the device, the system detects it and Windows Update automatically installs the required drivers.
  • Check whether updated drivers are available for your webcam on the manufacturer's website and possibly install them. This only applies if the device is not driverless as explained above.
  • Open the Device Manager (press Win key + Q and type devmgr), expand the Imaging Devices, right-click your device and click Properties. Look for any possible error message or code.
  • Try my Webcam Diagnostics assistant and see what errors (if any) are reported.

For preview related issues, you may try the following steps:

  • Check for updated drivers for your graphics card, either from Windows Update or from the website of either the graphics card manufacturer or the computer manufacturer/OEM.
  • If your capture device features many inputs, make sure that the correct input is selected in the Options > > Crossbar Video Input menu. That usually does not apply to webcams and the option is not available.
  • Try an alternate video renderer from the Capture > Setup menu, Preview tab; some old devices may only support the basic Video Renderer while some others will work better with the Enhanced Video Renderer.

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3. When I make captures there is no sound recorded. How do I enable audio capture?

  • Click the Devices menu and make sure that a sound card or a webcam microphone is ticked.
  • On Capture menu, tick Record Audio.
  • If there is an Options > Video Device > Crossbar Audio Input menu item, make sure that the correct input is selected.
  • If an Options > Audio Device menu is enabled, make sure that the correct input is selected under the Audio Input menu item.
  • If an Options > Audio Device > Properties menu is enabled, make sure that the selected Pin Line is enabled and its level is high enough.
  • Verify that you have the latest version of the drivers for the audio device.

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4. The preview is mirrored or flipped. How do I fix this?

This is either due to the chosen Color Space / Compression or an issue with the driver of the video capture source. You can try the following steps:

  • click Options > Video Capture Pin... and choose another Color Space / Compression
  • Try to reinstall the drivers of your video capture source (possibly your graphics card)
  • install the latest version of the drivers of the video capture source from the manufacturer's website

Alternatively, you may use the View > Flip View menu.

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5. There is no sound at all during the preview. How do I fix this?

First make sure that the right audio device is ticked in the Devices menu.

If a Devices > Capture audio from video source menu is available, click it otherwise click the Options > Audio Capture Filter... menu and follow these steps:

  • Under Pin Line, select the appropriate input (if there are many) then tick Enable
  • Adjust the volume with the Pin Line Input Mix slider
  • Click OK to apply the new settings

Note: you can also adjust the audio properties from the Volume applet (in the notification area, formerly the system tray) Options > Properties menu > Recording option (see FAQ #3 ).

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6. When AMCap starts or when I select my video capture device, I get the error "Unable to render the video preview stream. The parameter is incorrect (0x80070057)", what's wrong?

The generic error code does not give any clue about what actually fails. However, this kind of error is usually related to the drivers of either the video capture source (webcam) or the graphics card. Please try these few steps:

  • First off, restart your system and make a new attempt; if the problem persists, try the other steps below.
  • Click the File > Restore Default Settings menu to restart the application with a fresh configuration.
  • Select the basic Video Renderer from the Video Renderer drop-down list in Capture > Setup menu, Preview tab.
  • Possibly install updated drivers for the video capture source or the graphics card from the websites of their respective manufacturers.

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7. I get an error (possibly 0x80070057 or 87) when I click View > Flip View > Flip, Mirror or Rotate and the view is not flipped or mirrored, what can I do to flip the view?

The error code simply means invalid (or unsupported) parameter. The driver of your video source may not support flipping and mirroring, this is not a required feature. Try using a V ideo Mixing Renderer as the video renderer in Capture > Setup... menu, Options tab.

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8. What is VMR9 and what are the requirements?

VMR9 means Video Mixing Renderer version 9. It is an optimized and enhanced video renderer provided with DirectX 9.0 and later. If the option is grayed out in the View menu, you need to install the latest DirectX 9.0 runtime available from the Windows or Microsoft Update website.

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9. The files I captured do not play after a certain size on my Windows 98 system. What are the file size limits?

The file size limit does not only depend on the installed Windows system but also on the file system which is either FAT16, FAT32 or NTFS. The size may also be limited by the underlying capture technology. The common file size limits are like this:

File systemFile size limit
FAT16 (Windows 9x/ME)2GB - 1 byte
FAT16 (Windows NT and later)4GB - 1 byte
FAT324GB - 1 byte
NTFS2TB - 1 byte

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10. Whenever I enable Preview, I get the following message: "Unable to add the sample grabber to the filtergraph. (0x80040154)". What does that mean and how do I fix it?

The error means that the Sample Grabber, a software component used to make the still captures, is not installed or registered in your system. This usually means that the version of DirectX installed on your PC is outdated. To fix this issue, go to the Windows or Microsoft Update website and install the latest version of DirectX.

You can also try my Webcam Diagnostics assistant and see if the error can be fixed.

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11. The preview is in black and white. How do I turn the color mode on?

There may be different reasons for a B/W display:

  • If you have a video capture card that supports different standards like PAL or NTSC, make sure that it is set to the correct mode for the input signal. To change it, go to Options > Video Capture Filter... and set the Video Standard (PAL in Europe, SECAM in France, NTSC in US and Japan, etc.)
  • If you changed many settings and you cannot remember which ones, you can simply delete the AMCap.ini file after closing the program. If B/W preview remains after the program is restarted, make sure that the brightness and contrast levels are correct. To do so, click the Options > Video Capture Filter... menu and adjust the brightness/contrast levels. If you have a Restore Factory Defaults button, just click it. Also if a Black and White checkbox is available, clear it if it is ticked.
  • Finally check whether the latest version of the drivers of your video capture source is installed in your system, some drivers simply don't restore or don't report the default settings correctly.

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12. I'd like to capture some video in PAL 60Hz at 30fps but AMCap does not allow me to set a frame rate above 25fps. Is there a workaround?

By default, PAL is a video standard at 50Hz and 25 frames per second (fps). To capture at 30 fps, you have to select PAL_60 in the Video Standard drop-down list from the Options > Video Capture Filter... menu. You can then go to Options > Video Capture Pin... and set Frame Rate to 30. If PAL_60 is not available in the list, the driver of your video capture source or the hardware itself may not support it.

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13. When the application starts, I get the following error: "Unable to register the application with the Still Image interface. (0x80040154)". I press OK and everything runs fine. How do I fix this?

You are most probably using a Windows version that does not support STI (e.g. Windows 2000 and older). To avoid the message at startup, clear Register for STI Events in Capture > Setup... menu,  Still Capture tab.

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14. What is the "capture file"? What file do I have to select?

The capture file is a single working file that is not fragmented and that will be used by the program and the underlying system (DirectShow) to temporarily store the captured video. After every capture, you can save the actual video by using the File > Save Capture Video... menu.

By default, the capture file is called capture.avi and is located in the root of your primary hard drive, in other words it usually is c:\capture.avi. This must be a new file, don't select an existing file otherwise it will be overwritten during the capture or the file allocation.

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15. When I enabled the Windows Media 9 Series compression and I attempt to capture a video file, I always get the following error: "Cannot set output file (0x80040154)". What does that error mean and how do I fix it?

The error means that DirectShow is unable to locate the required Windows Media ASF Writer Filter. This component is not installed by default by the system and is only available as a redistributable component as part of the Windows Media Format installer. You can download the installer here or click Help > Redistributable Components > Windows Media Format in AMCap.

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16. While installing my webcam, a message popped up and told me that the drivers did not pass the Windows Logo testing and now AMCap says that no video capture source is installed. What's wrong and how do I possibly fix this issue?

Drivers that pass the Windows Logo testing are tested and then digitally signed by Microsoft, this ensures that the drivers meet the quality and stability requirements. Unsigned drivers don't usually mean that they are poor or unreliable, that just means that they were not tested by Microsoft. Because unstable drivers may lead the system to crash and give blue screens (BSOD), the newest 64-bit editions of Windows may require signed drivers to ensure overall stability.

In general, it is recommended that you visit the website of the manufacturer to get the latest signed drivers for your devices. Only install unsigned drivers if you don't have a better choice.

When installing unsigned drivers, a dialog box pops up with a message like this:

Hardware Installation <your webcam driver> has not passed Windows Logo testing to verify its compatibility with Windows XP (...)

This dialog has two buttons: Continue Anyway and STOP Installation . If you hit the STOP Installation button or press the Enter key, the drivers won't install, this is probably what happened in your case.

If the manufacturer does not have signed drivers, complete the following steps to make sure that your system is not configured to never install unsigned driver software by default:

  • Click Start
  • right-click My Computer
  • click Properties
  • click the Hardware tab
  • click the Driver Signing button
  • tick Warn and Make this action the system default
  • click OK twice to close the property pages

You will now be warned when installing unsigned drivers but this won't prevent you from installing them. Once you did this, run the drivers installation again. When the Hardware Installation dialog box pops up again, click Continue Anyway to complete the drivers installation.

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17. I always get the following error message when I attempt to capture a still: "Unable to take a snapshot from the camera - Unspecified error (0x80004005)". How do I fix it?

This error usually means that the drivers of the webcam don't correctly handle the Still pin. The Still pin is a feature exposed by the drivers of a webcam to allow capture of high-resolution still pictures from DirectShow applications.

You can work around this issue with the following steps:

  • click Capture > Setup menu

  • click Still Capture tab

  • clear the Capture stills from device option

  • click OK

Or you can check for updated and possibly fixed device drivers from the manufacturer's website.

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18. I always get the following error message when I enable Preview for my webcam: "An error occurred during capture - The supplied user buffer is not valid for the requested operation. (0x800706F8)". What does that mean and how do I fix it?

This error usually means that there are some internal issues with the current drivers of your webcam. Please visit the website of the manufacturer of your webcam and possibly download and install an updated version of the drivers. Otherwise contact the technical support of the manufacturer for further assistance.

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19. When I press one of the buttons of my scanner and a system dialog box pops up with a list of possible programs to launch for this action, AMCap is listed numerous times. This also happens in the Events tab of the properties of my scanner. How do I remove all those unwanted entries?

This is a known issue in AMCap version 9.11 and previous. This happens when the Register for STI events option is enabled in the Capture > Setup... menu, Still Capture tab. This option possibly allows AMCap to be automatically launched by the system when the hardware trigger of a STI-compatible webcam is pressed. This issue is fixed in AMCap version 9.12 and later. In the meantime, you can download and run STIClean to remove all the unwanted entries. Click here to download this fix.

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20. When AMCap is opened, I get this error message: "You have no video capture hardware. Video capture will not work properly" but I do have a webcam or video capture source. What does that mean?

This message usually means that there is an issue with the drivers of your video capture source or webcam and the device is not recognized by the system. Either the drivers for the device are not installed or they are not working properly.

Drivers are usually provided on a CD and have to be installed before the device is plugged (webcam). If you already installed the drivers, they possibly are not working properly or in the worst case, the device itself is not working. Go to the Device Manager and check the possible error code. You may also try my Webcam Diagnostics program and see if it reports anything.

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21. How do I enable the crosshair? The option always appears to be grayed out.

This feature is only available when a windowless video renderer is active. To select a windowless video renderer, click the Capture > Setup... menu, Options tab then select either the VMR7 windowless or the VMR9 windowless from the Video Renderer drop-down list.

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22. Is AMCap compatible with 64-bit systems?

Yes, AMCap is a native 32-bit application but it is compatible and will run on 64-bit systems.

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23. I can successfully record video but I get the following error message if I enable audio recording: "The sample start time is after the sample end time (0x80040228)". What's wrong?

This error is possibly due to a faulty audio or video capture source driver. Please install the most recent version of the drivers if any are available from the manufacturer's website.

In version 9.22, you can also try the following workaround:

  • click the Capture > Setup menu
  • click the Preview tab.
  • tick the Enable time-stamped preview samples option

Alternatively, if your device features an on-board MPEG encoder, you can try to tick the MPEG-2 option on the Options > Video Device menu.

Please refer to the documentation for more information and limitations about these options.

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24. Audio always lags the video when I play back the captured video, how can I fix this?

Some of the causes of out-of-sync audio and video are:
  • the audio and video capture sources are separate and not synchronized by hardware.
  • you have configured real-time video compression using a software video compressor in the setup.
  • The container format is audio-video interleaved (.avi) which does not store sample timestamps.

You may avoid such issue by using one of more of the following workarounds:

From Capture > Setup menu, Preview tab:

  • Try to reduce the audio buffer latency.

From Capture > Setup menu, Video Capture tab:

  • If the AVI container format is used, click Configure next to the Container format and make sure that audio is set as the master stream.
  • Use either the MPEG-4 (.mp4) or the Windows Media 9 (.wmv) container formats.
  • Set Video compressor to no video compression to disable real-time software video compression.

From Options > Video Device menu:

  • Try to enable the MPEG-2 menu option if the video capture device features an hardware encoder.

Please refer to the documentation for more information and limitations about these options.

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25. I cannot get deinterlacing to work, the menu is always grayed out. How do I enable the deinterlacing feature?

The deinterlacing menu options are only available if the configuration meets the following requirements:
  • the video capture source feeds an interlaced stream (e.g. a TV tuner or a DV camcorder).
  • if the MPEG-2 option is active, the installed MPEG-2 Video Decoder supports deinterlacing.
  • a Video Mixing Renderer or the Enhanced Video Renderer is selected as the video renderer in Capture > Setup menu, Options tab.

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26. I've got no sound when I use the TV tuner of my video capture card. How do I enable audio from the TV tuner?

  • if there is an entry for the audio input of the TV tuner in the Devices menu (under the separator), select it, otherwise see FAQ #5.
  • if the tuner card features multiple audio inputs, make sure that the TV tuner input is selected in the Options > Audio Inputs menu.
  • make sure the audio level of the tuner is high enough, see FAQ #3 and FAQ #5.
  • if none of these options helps, try the Options > MPEG2 menu. If the TV tuner card features MPEG2 support, this option should give the best results.

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27. I successfully installed AMCap in Windows 7 but when I use it, the parameters are not saved. How do I fix this issue?

This is a known issue that is due to the fact that the security is tighten in the Program Files folder and user data must be stored in a dedicated folder. This is fixed in version 9.21 and later.

To workaround this issue, please either install a newer version or follow the instructions below:

  • In Windows Explorer, open the %ProgramFiles%\Noel Danjou folder (or %ProgramFiles(x86)%\Noel Danjou in 64-bit systems)
  • Right-click the AMCap folder.
  • Click Properties.
  • In AMCap Properties, click the Security tab.
  • Click the Edit... button.
  • In the Group or user names list, click Users (<computer>\Users).
  • In Permissions for Users, tick Write.
  • Click OK twice to validate and close the properties.

Alternatively, you can install the program in a folder of your choice other than a predefined system folder.

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28. Whenever I try to use the overlay feature I get the following error message: "Unable to activate the overlay feature. No such interface supported (0x8004002)". How can I get the overlay feature to work?

The overlay feature requires a video renderer that can mix video streams. The video renderer is implemented by the drivers of the graphics card installed in your system. You may have to select another video renderer (e.g. one of the Video Mixing Renderers), to do so:

  • click Capture > Setup... menu

  • click Options tab

  • select another renderer from the Video renderer drop-down list.

  • click OK

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29. I am trying to capture still images from the live video preview stream but everytime I press the Enter key (same as Capture > Still Capture > Snap) I get the following error: "Unable to make a still capture when the video renderer is in overlay mode... Catastrophic failure (0x8000FFFF)". How can I get the still capture to work?

This error happens if your webcam does not feature a Still pin (a device feature especially designed to capture still images) and the default video renderer is selected. To work around this issue, please select another video renderer (e.g. one of the Video Mixing Renderers):

  • click Capture > Setup menu
  • click Preview tab
  • select another renderer from the Video renderer drop-down list (e.g. the Video Mixing Renderer 9)
  • click OK

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30. Where is the "Video Capture Filter" option located?

In version 9.21, just click Video Capture Filter on the Options menu.

In version 9.22 and later, this option was renamed: click Properties on the Options > Video Device menu.

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31. I always get an error or nothing happens when I attempt to capture a still. How can I get it to work?

There possibly is an issue with a device driver or a 3rd-party filter. You can try the following:

  • Click Capture > Setup menu
  • Click the Still Capture tab
  • Uncheck Capture stills from device if this option is both enabled and checked. If these conditions are met, this possibly means that the drivers of your camera are faulty, check for an updated version from the manufacturer's website.
  • If Capture stills from device is disabled, click the Preview tab.
  • Select another video renderer from the list (e.g. the Enhanced Video Renderer or the Video Mixing Renderer 9). Also, check for an updated version of the drivers of your graphics card from the manufacturer's website.

Even though they should not interfere, you may also have to uninstall any installed 3rd-party DirectShow filter package from Control Panel > Programs and Features.

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32. The preview and/or capture frame rates drop down very low at times. How can I prevent this from happening?

There are many possible reasons why the frame rates will drop, this may include:

  • Some camera settings are set to automatic control (e.g. Exposure, Focus, White Balance, etc.), click Properties on the Options > Video Device menu and possibly uncheck all Auto options.
  • DirectShow optimization, see Enable time-stamped preview samples in Setup > Preview tab and in the help file.
  • Limitations of the video compressor, try another one or adjust the settings of the current one for real-time compression in Setup > Video Capture tab.
  • Power management, possibly try a more efficient power plan in Power Options or adjust the settings if only Balanced is available.
  • Make sure the capture device drivers and graphics drivers are up-to-date.

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33. I just bought the full version of AMCap but Norton Antivirus blocked the installer because it says that it is unsafe. How can I get the full version installed and working now?

To make it clear, Norton AV claims that the installer is unsafe because it is not well-known enough to trust it, that does not mean that it is harmful for your system in any way. Actually, the installer was submitted to the VirusTotal database before publishing and it is perfectly safe.

To install the full version on your system:

  • Temporarily stop the antivirus
  • Download the installer of the full version again (AMCapFullSetup.exe) from the link provided by the MyCommerce.com merchant website
  • Run the installer (AMCapFullSetup.exe) once; usually, it will be located in the Download folder or on the Desktop.
  • You can now restart the antivirus and enjoy the full version of AMCap.

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34. I get the following error message every time I open AMCap: "Unable to start the preview graph - Insufficient system resources exist to complete the requested service. (1450)" How can I get the preview to work?

The error message reports an hardware or device drivers issue or limitation. You can try the following steps to fix the issue:

  • Close AMCap and restart your system.
  • After restart, click the Capture > Setup menu in AMCap, click the Preview tab then select another video renderer from the drop-down list: first try the Enhanced Video Renderer then the basic Video Renderer if the former does not work.
  • If the basic Video Renderer does not work either, close AMCap, plug the webcam or video capture device to another port and possibly unplug any other device on the same bus that is not currently is use.
  • Search for updated device drivers for both your webcam or video capture device and your graphics card.
  • In last resort, have your device replaced or get another one.
  • Click File > Restore Default Settings in AMCap in case of device replacement.

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35. I get audio feedback (echo) when I select my audio device for preview. How can I avoid this?

Either click the Options > Volume > Mute menu item or click the speaker on the right side of the status bar and tick Mute under the volume slider in the panel that shows.

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36. When I attempt to run AMCap, I always get the following error message and I cannot use it at all: "The program can't start because api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer. Try reinstalling the program to fix this problem."

The error means that the runtime failed to install on your system for some reasons and you’ll have to install it manually. To do so:

  • Open https://www.visualstudio.com/downloads/ in your browser
  • Scroll down to the Other Tools and Framework section
  • At Microsoft Visual VC++ Redistributable for Visual Studio 2017, select x86 and click Download
  • Run the vc_redist.x86.exe file on all the systems that give the error

You may have a look at the following link if you need help locating the runtime file: https://social.msdn.microsoft.com/Forums/vstudio/en-US/e653a57a-bc32-4134-87bf-df33058f0531/download-microsoft-visual-c-2017-redistributable

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37. Will AMCap run on Windows XP?

No, version 9.23 and later won't run on Windows XP since the Microsoft libraries are not compatible because this system is not supported by Microsoft anymore. Only version 9.22 and previous were compatible with Windows XP.

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38. When I select my device from the Devices menu, I get the following error message: "Unable to add the video capture device to the filter graph. Access is denied"

This error is not an AMCap error per se, it is either due to the device drivers or a faulty system update.

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39. We are interested in a custom version of AMCap, can you do that for our company?

Sorry no, I don't create custom versions anymore.

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40. AMCap keeps crashing, do you have a fix?

From experience and in most cases, crashes are due to faulty device drivers or broken system component after an update.

  • Unplug any other or unused video capture sources or webcam if possible.
  • Disable alternate video capture sources or webcams that you cannot unplug from the Imaging Devices branch of the Device Manager application.
  • Check for updates from Settings > Updates & Security and make sure that your system is current.
  • Check for device drivers updates from both the manufacturer of the video capture sources and from the manufacturer (or OEM) of the graphics card.
  • Try another video capture device from the Devices menu.
  • Try another video renderer from Capture > Setup menu, Preview tab if possible.

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41. I am a registered user of the full version, I cannot find a way to upgrade to the latest version, is there an upgrade plan?

No, in most cases, upgrades are just not needed if the current version suits your needs. In seldom cases, I provide a free upgrade if there was a known major bug in the version that you currently own.

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42. When I start AMCap, I always get a Blue Screen Of Death (BSOD) or a Green Screen Of Death (GSOD), what's wrong?

AMCap is a user mode application and as such it cannot give BSODs, these latter ones are due to faulty device drivers. Please check for updates from the manufacturer or use the OOBE drivers from Microsoft when possible.

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43. When I attempt to start AMCap, I always get this error message: "System error - The program cannot start because api-ms-win-crt-runtime-l1-1-O.dll is missing from your computer. Try reinstalling the program to fix this problem." I already did try to reinstall to no avail. How can I fix this error?

This error shows because the Microsoft Visual C++ Redistributable for Visual Studio 2017 (x86) included in the installer of AMCap fails to install on your system for some reasons. You have to download the installer of this package from the Microsoft website and run it once on your system.

Download the Microsoft Visual C++ Redistributable for Visual Studio 2017 (x86)

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44. Is it possible to preview two or more webcams or to run multiple instances of AMCap at the same time?

This is currently not supported but you can use the following workaround to run two instances at the same time to allow you to preview two different webcams:

  • Open the AMCap installation folder (e.g. %ProgramFiles(x86)%\Noël Danjou\AMCap) in File Explorer.
  • Right-click the AMCap.exe executable file.
  • Click Copy
  • Right-click in a blank space of the right pane
  • Click Paste
  • Click Continue at the Destination Folder Access Denied prompt.
  • Right-click the AMCap - Copy.exe file
  • Click Rename
  • Rename the file to AMCap2.exe for example
  • Right-click the AMCap2.exe file
  • Click Create shortcut
  • Click Yes at the Shortcut prompt to create the shortcut on the desktop

Now you can run the first instance from the Start menu like you did before. Double-click the shortcut on the desktop to run the second instance. You can optionally pin that second instance to the taskbar. Select another webcam in the second instance of AMCap. You can now use the two instances independently and have different settings for both.

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45. Is it possible to adjust the focus and the exposure while I'm controlling the digital zoom?

There may be many different cases depending on what digital zoom feature you are using.

The digital Zoom of the device (if supported by the drivers) is available from the menu Options > Video Device > Properties, Camera Control tab. If you are unable to control the Focus and the Exposure from this window then try to clear their respective Auto checkboxes to possibly gain manual control (if allowed by the drivers i.e. the checkboxes are not grayed out).

Alternatively, if the drivers of the device allow it, you can control Digital Zoom, Focus and Exposure using keyboard hotkeys; you can find them in the menu Options > Video Device > Camera Control:

  • Digital Zoom : Shift+Z (zoom in) / Shift+Alt+Z (zoom out)
  • Exposure: Shift+E (longer) / Shift+Alt+E (shorter)
  • Focus : Shift+F (farther) / Shift+Alt+F (closer)

Note: for more hotkeys, please see the help file available from the menu Help > View Help, Contents tab, Getting Started > Keyboard and Mouse Commands topic.

Another digital zoom is also possibly available, if supported by the graphics drivers, using the Ctrl key + the mouse wheel; it will work while the Camera Control properties are open.

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46. I cannot get the program to work, I always get the error message: "Unable to render the video preview stream - No such interface supported (0x80004002)". How can I get the preview from my camera to work?

This error message is not due to the program but it is an error reported by the system which means that the drivers of one of the device (either the video capture device or the graphics card don't support a required interface. To workaround this issue, please try the following steps:

  • Click OK when the error shows.
  • Click File > Restore Default Settings and let the program to restart.
  • Select your video capture device from the Devices menu if there are many.
  • Click Capture > Setup.
  • Click the Preview tab in the Setup properties.
  • Select another video renderer from the drop-down list: either the Enhanced Video Renderer or the basic Video Renderer.

Please note that if you have to rely on the basic Video Renderer many features from the AMCap menu will be grayed out or missing. This is because the video capture device or its drivers are outdated.

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47. How comes the configuration of my camera that I made in AMCap is not restored in other applications?

Programs like AMCap, that are based on the Microsoft DirectShow technology, store per-application configuration: i.e. the settings won’t be restored if you use a program other than the one that was used to configure the device. This is the normal behavior or “By Design” in Microsoft terms.

Alternatively, some device drivers replace the standard system dialog boxes with custom ones so they can manage proprietary parameters and save all the settings for all applications.

Also, some older devices and technology based on Video for Windows (VfW) did store the settings in a common .ini file which allowed the settings to persist from one application to another.

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48. I cannot get AMCap to record from my DV capture device or camcorder, do you have some advice?

  • This kind of behavior is usually bound to driver issues either the video capture drivers or the IEEE1394 card drivers or the graphics drivers. I recommend you to check for updated versions of all of these drivers from their respective manufacturers or OEM.
  • You can also try to use an alternate Video Renderer, either the Enhanced Video Renderer or the basic Video Renderer. Both are available from the Capture > Setup menu, Preview tab, Video Renderer drop-down list.
  • There are 3 available recording modes: Type-1, Type-2 and Non-DV for DV/FireWire devices. I invite you to try them out. You can select any of them in the Video Capture tab of the Setup.
  • I recommend you to test without any video compressor first, if ever you try the Non-DV mode (i.e. the audio and video streams are deinterleaved). If capture works then the file would grow very quickly but it could give a hint.
  • If nothing above helps then the issue may be at the hardware level; you can first try another DV port and/or another DV cable.

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49. I've just received your device/webcam that I've orderer at your merchant website here but I cannot get it to work or get it to be recognized by the system. Could you please help me out?

  • I'm a freelance software engineer (i.e. an independent software editor); I am neither an hardware manufacturer nor affiliated with any of them. If you have issues with your device please contact the customer support of the vendor or manufacturer. Thanks.
  • You can still check out FAQ #2 above for some suggestions.

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50. I could not use my webcam for streaming and video calling, could you please advise what to do?

  • AMCap is a video preview and still and video capture application. For any other purpose, you'll need a dedicated application; you won't find an all-in-one application that will do it all.
  • For streaming, you can consider services like Twitch or YouTube.
  • Regarding video calls, for personal uses, you can use either Microsoft Skype or Google Duo or Facebook Messenger or WhatsApp.
  • For professional uses and group videoconferencing, you can use either Microsoft Teams or Zoom
  • If your webcam does not work with any other program either, verify in the Device Manager that it is working correctly and the drivers are current.
  • Please note that you cannot use more than one application, that uses your webcam, at a given time. If you want to use AMCap to configure your webcam for use with another application, you'll have to configure and close AMCap first.
  • If you need support for any of the services or applications listed above, you can search for their respective supports or forums.
  • If you think that the problem is with the device then you can contact the customer support of the manufacturer or possibly the vendor.
  • You can still check out FAQ #2 above for some suggestions.

Can't capture DV, HDV video in Premiere Pro

When you try to capture DV or HDV video in Adobe Premiere Pro CS4 or later, the Record button in the Capture panel is dimmed. You cannot start capture. The Capture panel also displays one of these errors:

  • "Capture Device Offline."
  • "Can't activate recorder. Try resetting camera."

Or when you capture video in Adobe Premiere Pro CS4 or later, the capture process unexpectedly stops after a short time or several minutes.

Do the following steps in order. Try to start capture in Adobe Premiere Pro after you complete each step. Steps 1-3 are about hardware setup. Steps 4-8 are about software configuration. If you still cannot start capture after you have completed steps 1-8, then go to the advanced troubleshooting in steps 9-16. If you are able to start capture, but the capture process stops after a short time, then go to steps 17-26.

Solution 1: Verify the basic setup of your video device.

If you are capturing from a camcorder or VTR, then verify that the device is turned on and in playback mode (called VCR or VTR mode). Verify that the videotape has not been advanced to its end. If you are capturing from an analog-to-digital converter, then verify that both the converter and its analog input source are turned on. Also make sure that they're connected correctly, and are in the correct input/output mode. See the converter's documentation for instructions.

Solution 2: Connect the device with IEEE 1394 (FireWire).

Connect the device directly to an IEEE 1394 (FireWire) port on your computer. Do not connect the device to a multi-port hub or to another IEEE 1394 device. If the device can output video over either USB or IEEE 1394, then configure it to output over IEEE 1394. See the device's documentation for instructions.

Note: Adobe Premiere Pro CS4 and later do not natively support capture of video over USB or USB 2.0 connections. To capture video from USB-only devices, use Adobe Premiere Elements or a third-party application, or install a third-party capture card.

Solution 3: Configure the device to output the correct digital video format.

Note: If you are capturing from a DV-only camcorder, then skip this step and go to step 4. Some video devices can output more than one digital video format. Determine whether your device has a button, a switch, or a menu setting that changes its output format. See the device's documentation for instructions.

Important: If you change your device's output format, then close the Capture panel. Then, disconnect the device from the computer, reconnect the device, and reopen the Capture panel. Settings on some HDV camcorders and VTRs downsample HDV source material to DV resolution during output. If you are capturing HDV video, then disable any device setting that downsamples HDV video.

  • Some Sony HDV devices have a menu setting called i.LINK CONV. If this item is set to ON, then the device downsamples HDV video during output. If your device has an i.LINK CONV setting, then set it to OFF.
  • Some Canon HDV devices have a menu setting called DV OUTPUT. If this item is set to DV LOCK, then the devices downsample HDV video during output. If your device has a DV OUTPUT setting, then set it to HDV/DV.
  • Some other HDV devices have an AUTO option for the output format. AUTO isn't always reliable. If your device has such an option, then select DV or HDV instead of AUTO. If you capture from an analog-to-digital converter that can output video in multiple formats (MPEG-2, H.264, and so on), then select DV as the output format. If your converter cannot output in DV format, then use the converter's bundled software to capture video. Then, import the captured clips into an Adobe Premiere Pro project. If your device is compatible with both the NTSC and PAL standards, then select the correct standard on the device.

Note: Not all devices can process both NTSC and PAL videotapes. For example, if you have a PAL videotape, then do not play it in an NTSC-only device.

Solution 4: Choose the correct capture format in Adobe Premiere Pro.

The capture format that you choose in Adobe Premiere Pro must match the format that the device is outputting to the computer. For example, if the capture format is set to DV but the device is outputting HDV video, then you can't start capture. When you create a project, the New Project dialog includes a Capture Format pop-up menu, which has two options: DV and HDV. The format that you choose from this menu is the project's initial capture format, but you can change this setting. To identify a project's current capture format and change it if necessary, do the following:

  1. Choose Project > Project Settings > General.The current capture format (DV or HDV) appears in the Capture Format pop-up menu.

  2. (Optional) If the capture format does not match the format of the video that you are capturing, then choose the other option from this menu.

Note: Alternatively, you can change the capture format in the Settings tab of the Capture panel. Click Edit in the Capture Settings section, choose a format from the Capture Format menu, and then click OK. Playback quality can be poor if you add DV clips to an HDV sequence, or if you add HDV clips to a DV sequence. To preserve playback quality, add captured clips to a sequence with a format that matches the format of the video you captured. For details, see Create a sequence in Adobe Premiere Pro CS4 Help, or Create a sequence in Adobe Premiere Pro Help.

Solution 5: Choose the correct device control settings, or disable device control.

Sometimes, you can't start capture if the device control settings are incorrect. For information on setting up, viewing, or changing the settings for device control, see Set up device control.

If you cannot start capture after you have verified or changed the device control settings, then disable device control. For information on disabling device control, see Disable device control.

Note: When device control is disabled, start playback on the device manually.

Solution 6: Use the Legacy FireWire driver (Windows 7 x64)

  1. Click the Windows start button; type "device manager" into the Search box and select Device Manager

  2. Swivel open the "IEEE 1394 Bus host controllers" item

  3. Right-click on your listed 1394 controller; select "Update Driver Software"

  4. Click the "Browse my computer for driver software" button, followed with the "Let me pick from a list" button

  5. Select the option that has "(Legacy)" at the end of the name; click Next and let Windows install the driver

  6. Close out of dialogs and retry capture

Solution 7: (Mac OS) Install or reinstall the current version of Apple QuickTime.

Download and install (or reinstall) the current version of QuickTime from the Apple website at www.apple.com/quicktime/download. For assistance with installing QuickTime, see the Apple Support site at http://support.apple.com or contact Apple.

Solution 8: Create and log on to a new local administrator account.

Damaged or incorrect permissions in your user account can prevent Adobe Premiere Pro from writing required registry keys upon the first successful capture. Create a local administrator account and then try to start capture in the new account.

To create a new local administrator account:

When you have created a new local administrator account, do the following tasks:

  1. Choose Start > Log Off (Windows), or Apple Menu > Log Out (Mac OS).

  2. Log on to the new account.

  3. Create a project with the correct preset. (See Step 4 above.)

  4. Adjust the device control settings. (See Step 5 above.)

  5. Choose File > Capture.

If you cannot start capture in the new account, then go to Advanced Troubleshooting. If you can start capture in the new account, then stop the capture after a few seconds, log off, and log on to your original account.

(Mac OS) In the original account, re-create the Adobe Premiere Pro preferences files. Rename the 4.0 or 5.0 folder (for example, to Old 4.0 or Old 5.0) in the /Users/[your user name]/Library/Application Support/Adobe/Premiere Pro folder.

Open Adobe Premiere Pro and try again to start capture. If you still cannot capture in the original account, then migrate to the new account.

If you cannot start capture after you have completed all of the steps above, then do the following advanced troubleshooting steps in order. Try to start capture in Adobe Premiere Pro after you complete each step.

Solution 9: Disconnect other IEEE 1394 devices, and change the IEEE 1394 connection.

Disconnect all other IEEE 1394 devices from your computer, and then do one or both of the following tasks:

  1. Connect the device to a different IEEE 1394 port on your computer.

  2. Use a different IEEE 1394 cable.

Solution 10: Disable startup items and non-essential services, and close other applications.

Startup items and services that run in the background sometimes interfere with video capture. (Startup items are programs that start automatically with Windows and services are specialized programs that perform functions to support other programs.) Disable startup items and non-essential services, and close all other open applications, before you open Adobe Premiere Pro. To disable startup items and non-essential services, see one of these TechNotes:

Solution 11: (Mac OS) Test capture in iMovie.

Try to capture video from your device in Apple iMovie. For assistance with setting up capture in iMovie, see the iMovie Help or contact Apple. If you cannot capture in iMovie, then go to Step 11. If you can capture in iMovie, and you have completed all of the steps above, then your installation of Adobe Premiere Pro could be damaged. Use the Adobe Premiere Pro uninstaller, the Creative Suite uninstaller, or the Creative Cloud uninstaller in /Applications/Utilities/Adobe Installers to remove Adobe Premiere Pro. Then reinstall Adobe Premiere Pro and all available updates, and review or repeat Steps 1 through 7 in this document.

Solution 12: Identify and disable third-party DirectShow video capture filters.

DirectShow video capture filters from manufacturers other than Microsoft can interfere with the ability of Adobe Premiere Pro to capture from DV and HDV video devices. To identify and disable third-party capture filters, do the following:

  1. Close all open applications.

  2. Download and install Microsoft GraphEdit.

  3. Choose Graph > Insert Filters.

  4. In the list of filters, click the plus sign (+) to the left of Video Capture Sources.

  5. Expand each of the individual items in the Video Capture Sources section and note the filenames of the capture source filters installed on your system.

  6. In Windows Explorer, navigate to those files and rename them to change the filename extension to .old.

Important: Do not disable the file ksproxy.ax. Adobe Premiere Pro uses the Microsoft capture filter ksproxy.ax to capture video.

Solution 13: Restart the computer.

Solution 14: Test video capture with a third-party video capture application.

Try to capture video with one of these third-party applications, which use the same capture protocols as Adobe Premiere Pro:

If you cannot capture in these applications, then go to Step 11 and Step 12. If you can capture in these applications, and you have completed all of the steps above, then your installation of Adobe Premiere Pro could be damaged. Use the Add Or Remove Programs Control Panel (Windows XP) or the Programs And Features Control Panel (Windows Vista or Windows 7) to uninstall Adobe Premiere Pro. Then, reinstall Adobe Premiere Pro and all available updates, and review or repeat Steps 1 through 6 of this document.

Solution 15: (Windows XP only) Refresh the IEEE 1394 device listings in the registry.

Disclaimer: This procedure involves editing the Windows registry. Adobe doesn't provide support for editing the registry, which contains critical system and application information. Make sure to back up the registry before editing it. For more information about the registry, see the Windows documentation or contact Microsoft.

To refresh the IEEE 1394 device listings in the Windows XP registry:

  1. Close all open applications.

  2. Disconnect all IEEE 1394 devices.

  3. Choose Start > Run. Type regedit in the Open text box, and then press Enter. The Registry Editor opens.

  4. In the Registry Editor, navigate to this key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\1394

  5. Right-click the 1394 folder and select Permissions.

  6. On the Security tab, select Everyone in the Group Or User Names panel. Select Allow Full Control in the Permissions For Everyone panel. Click OK.

  7. Right-click the 1394 folder and select Delete.

  8. Click Yes to confirm the deletion.

  9. Connect your video device to an IEEE 1394 port on the computer and turn on the device. Windows reloads the device information into the registry.

Solution 16: Try to capture on a different computer.

If you have completed all of these steps and you still cannot capture in Adobe Premiere Pro, then try to capture on a different computer. If you cannot start capture on a different computer, then your video device could be malfunctioning. Contact the device's manufacturer for support. If you can start capture on another computer, then your computer's IEEE 1394 interface could be malfunctioning. Contact the manufacturer of your computer or the manufacturer of your IEEE 1394 card for support.

Solution 17: Capture to a hard drive that has sufficient free space.

If the scratch disk for captured video runs out of free space, then capture stops suddenly.

Digital video requires a large amount of storage space. For example, the storage requirement for DV video is approximately 13 GB per hour.

To see how much space is available on the current scratch disk, look in the Capture Locations section of the Settings pane of the Capture panel.

If the scratch disk doesn't have enough free space to store the full duration of the video you are capturing, then delete files or remove unused program. Or, capture to a drive that has sufficient space.

To change the scratch disk for captured video:

  1.     Open a project in Adobe Premiere Pro.

  2.     Choose Project > Project Settings > Scratch Disks.

  3.     Click Browse in the Captured Video section of the Scratch Disks tab.

  4.     Select a folder on the hard drive that you want to use, or create a folder.

  5.     Click Choose (Mac OS) or OK (Windows).

  6.     Click OK to close the Project Settings window.

Solution 18: Capture to a hard drive that has sufficient speed.

If you are capturing DV or HDV video, then use a hard drive that has a rotational speed of at least 7,200 rpm. Use an internal hard drive if possible. If you must use an external hard drive, then use an IEEE 1394 (FireWire) or USB 2.0 external drive. Also, use high-quality cables to connect the drive directly to an IEEE 1394 or USB 2.0 port on your computer. Do not connect the drive to a multi-port hub or to another drive.

If you are capturing HD or uncompressed SD video, then use a striped disk array (RAID 0).

To change the scratch disk for captured video, see Solution 17.

Solution 19 (Windows only): Capture to an NTFS-formatted hard drive.

If the scratch disk for captured video is formatted in the FAT32 file system, then the capture process can stop suddenly, even if the drive has available space. The capture stops because FAT32 limits file sizes to a maximum of 4 GB (approximately 18 minutes of DV video).

To determine the format of a hard drive:

  1.     In Windows Explorer, choose Start > My Computer (Windows XP) or Start > Computer (Windows Vista).

  2.     Right-click on the icon for a hard drive and choose Properties.

  3.     Look at File System in the General tab of the Properties window.

If the current scratch disk for captured video is a FAT32 drive, then choose an NTFS-formatted drive instead. To change the scratch disk for captured video, see Solution 1.

Solution 20: Repair and defragment the hard drive.

Capture can stop unexpectedly if the hard drive is damaged or fragmented. Repair and defragment the scratch disk for captured video. For instructions, see one of these TechNotes:

Solution 21 (Camcorder capture only): Use the camcorder's AC power adapter.

Capture from a camcorder can stop suddenly if the camcorder is drawing power only from its battery. Connect the camcorder to an AC power source (wall socket) before you start capturing.

Solution 22: Quit other applications and temporarily disable anti-virus software.

If other applications are running, then another application's use of the hard drive or of other system resources can cause capture to stop suddenly. Quit all other open applications before you start capture, and do not open other applications until you have finished capturing your video.

If anti-virus or other security software is installed on your computer, then temporarily disable it before you start capture. When you have finished capturing, re-enable the anti-virus or other security software. For instructions, see the software's documentation.

Solution 23: Disable the screen saver and any other automatic system events.

Capture can stop suddenly because of the start of an automatic system event, such as a screen saver.

If you use a screen saver or have configured other automatic system events, then temporarily disable them before you start capture. (Automatic system events include events related to power-saving settings or software updates.)

Solution 24 (Windows only): Disable startup items and non-essential services.

Startup items and services that run in the background can cause capture to stop suddenly. (Startup items are programs that start automatically with Windows and services are specialized programs that perform functions to support other programs.)  Disable startup items and non-essential services before you start capture.

To disable startup items and non-essential services, see one of these TechNotes:

Solution 25: Identify videotape problems.

Capture can stop suddenly if the videotape from which you are capturing is damaged. To identify a damaged segment, preview the videotape on a camcorder's LCDn screen or on a monitor connected to a VCR/VTR. Or, try dubbing (copying) the videotape.

Capture can also stop suddenly at the boundary between different formats on the same videotape. (For example, capture can stop if both DV and HDV video are recorded on the same tape). If your tape holds mixed formats, then start a new capture session for each format.

Solution 26: Disable the Abort Capture On Dropped Frames option.

Video frames that are not saved to disk during the capture process are called dropped frames. The Abort Capture On Dropped Frames option determines whether dropped frames cause the application to stop capturing.

By default, Abort Capture On Dropped Frames is not enabled. If it has been enabled, then you can disable it. If you have been experiencing dropped frames during capture, then capturing with this option disabled prevents the dropped frames from stopping capture. However, the quality of your captured clips can be inferior because of the dropped frames. Before you use this solution, complete the other solutions in this document to prevent dropped frames.

To disable the Abort Capture On Dropped Frames option:

  1.  Open a project in Adobe Premiere Pro.

    •  Mac OS: Choose Premiere Pro > Preferences > Capture.
    •  Windows: Choose Edit > Preferences > Capture.
  2. Deselect the Abort Capture On Dropped Frames option.

Error 80004005: Cannot create video capture filter

Hello Klaus,

I searched on the WB-1200p from the link that you sent me and got this -
http://www.trust.com/products/product_detail.aspx?item=13405&section=drivers
- link. Before you do anything else, I suggest that you look very carefully
at the list of drivers, and make absolutely sure that the one you applied to
install the WB-1200p was the appropriate one for that unit. If it wasn't, or
if there's any doubt, get the most likely-looking driver from that list and
install it before going any further.

I can't tell from the online documentation etc whether the unit is
supposed to be Plug'n'Play - i.e. whether Windows XP would natively
recognise that it's being connected to new hardware, when you plug the
device into a spare USB port for the first time - but I'd be most surprised
to find that it isn't. Have you tried the webcam on another PC or laptop?
That might give you a clue - if it works elsewhere, your own PC is faulty -
if it doesn't work elsewhere, the unit itself is suspect.

My best guess at the moment is that the unit probably *is* defective,
and should be returned for replacement. In order to save yourself further
trouble, though, before taking or sending it back to wherever you bought it
from when you aren't absolutely sure that it's broken, I suggest that you
should contact the Trust Helpdesk on this
http://www.trust.com/support/contact.aspx?item=13405link, and ask them (a)
'is this unit Plug'n'Play?', and (b) 'what does Error 80004005 mean when I
try to run the Webcam after installing <whichever driver you selected>?'
That should get you a helpful response from Trust - you might also like to
ask the Helpdesk for a link to the correct driver while you're about it, so
that you can get the thing going without any more delay.

Good luck with that - do me a favour and post what you find out, and
then we'll all learn something new :blush:)

Cheers,

Philip

 

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PostTue Nov 17, 2015 4:17 am

Hi Petra,

Please note that in order to utilise the full capability of the cards, the DeckLink API is the recommended development interface, see, e.g. the CapturePreview sample application, or the Desktop Video SDK manual section "2.4.1 Capture".

If your application must use DirectShow, please note that the older user-space capture/render filters (Decklink Video Capture) are deprecated in favour of the WDM filters.

I tested in the below configuration, but was unable to reproduce the issue you observe.

In order to isolate if the error is limited to the AmCap sample application, I would recommend testing with GraphEdit / GraphStudio.

Creating the graph explicitly will make it easier to identify the source of the error.

Cheers,

-nick

Windows 7 x64 SP1
Desktop Video 10.5
DeckLink SDI 4K

Built AmCap sample from Windows 7.1 SDK (VisualStudio 2013)

Start AmCap
Set Device -> Blackmagic WDM Capture / Line In (4 - Blackmagic Audio)
Open settings for Filter / Pin and set video mode as appropriate (1080i50)
Capture -> enable "Capture Audio"

Capture -> Start Capture
Wait 30s
Capture -> Stop Capture

Playback AVI and note that audio is recorded

Same scenario as above was repeated with Decklink Video Capture / Decklink Audio Capture filters with the same result - recorded file had audio.

Creating an Audio Capture Canon e05 error 99 Cannot create audio capture filter error minutes to read

The first step for an audio capture application is to build a filter graph. The configuration of the graph depends on the type of file that you want to create.

The WavDest filter is provided as an SDK sample. To use it, you must build and register the filter.

To use the ASF Writer filter, you must install the Windows Media SDK and obtain a software key to unlock the filter. For more information, see Using Windows Media in DirectShow.

You can build the filter graph using the Capture Graph Builder object, or you can build the graph "manually"; that is, have the application programmatically add and connect each filter. This article describes the manual approach. For more information about using the Capture Graph Builder, see Video Capture. Much of the information in that article applies to audio-only graphs.

Adding the Audio Capture Device

Because the Audio Capture Filter communicates with a specific hardware device, you cannot simply call CoCreateInstance to create the filter. Instead, use the System Device Enumerator to enumerate all of the devices in the "Audio Capture Sources" category, cannot create audio capture filter error, which is identified by the class identifier CLSID_AudioInputDeviceCategory.

The System Device Enumerator returns a list of monikers for the devices; each moniker's friendly name corresponds to the name of the device. Choose one of the returned monikers and use it to create an instance of the Audio Capture Filter for that device. Add the filter to the filter graph. The user's preferred audio recording device appears first in the moniker list. (The user selects a preferred device by clicking Sounds and Multimedia in Control Panel.)

For more information, see Using the System Device Enumerator.

To specify which input to capture from, obtain the IAMAudioInputMixer interface from the Audio Capture filter and call the put_Enable method to specify the input. One limitation of this method, however, is that different hardware devices may use different strings to identify their inputs. For example, one card may use "Microphone" to identify the microphone input and another card may use "Mic". To determine the string identifier for a given input, use the Windows Multimedia functions waveOutOpen, mixerOpen, and mixerGetLineInfo, cannot create audio capture filter error. See the MSDN topic Mixer Device Queries for more information.

Adding the Multiplexer and the File Writer

An audio capture graph must contain a multiplexer and a file writer.

A multiplexer is a filter that combines one or more streams into a single stream with a particular format. For example, cannot create audio capture filter error, the AVI Mux filter combines audio and video streams into an interleaved AVI stream. For audio capture, there is typically only a single audio stream, but the audio data must still be packaged into a format that can be saved to disk, which requires a multiplexer. The choice of multiplexer depends on the target format:

  • AVI: AVI Multiplexer
  • WAV: WavDest
  • WMA: ASF Writer

A file writer is a filter that writes incoming data to a file. For AVI or WAV files, use the File Writer Filter. For WMA files, the ASF Writer acts as both multiplexer and file writer.

After you create the cache error exception cisco and add them to the graph, connect the Audio Capture Filter's output pin to the multiplexer's input pin, and connect the multiplexer's output pin to the filter writer's input pin (assuming these are separate filters). To specify the file name, query the file writer for the IFileSinkFilter interface and call the IFileSinkFilter::SetFileName method.

Example Code

The following example shows how to build an audio capture graph using the WavDest filter. The same principles apply for the other file types.

This example uses the function described in Add a Filter by CLSID, and the function described in Connect Two Filters. Neither of these is a DirectShow API.

Related topics

Audio Capture