"Cannot Open Waveform Device" Message

k9vet wrote on 1/4/2020, 11:05 AM

I am using MEP 19.0.2.49 on a Dell Windows 7 computer. Often when I load a movie I am editing, as soon as it is loaded and I click the PLAY button, I get the message attached here and the PLAY button turns to STOP and I can't do anything! What is the fix? MY HD has 23 Gb of available memory!!

SO frustrating! Please help!

Comments

CubeAce wrote on 1/4/2020, 12:08 PM

@k9vet

I have had this warning in the past as well.

Try going to File / Settings / Program and alter the buffer settings in the Payback section to a higher amount.

Don't go mad but increase a bit at a time until it loads or you may have a different set of problems to resolve.

Adding too many buffers can cause stuttering audio and increasing the other figure may cause latency issues.

Last changed by CubeAce on 1/4/2020, 12:10 PM, changed a total of 1 times.

 

Windows 10 Enterprise. Version 22H2 OS build 19045.5011

Direct X 12.1 latest hardware updates for Western Digital hard drives.

Asus ROG STRIX Z390-F Gaming motherboard Rev 1.xx with Supreme FX inboard audio using the S1220A code. Driver No 6.0.8960.1 Bios version 1401

Intel i9900K Coffee Lake 3.6 to 5.1GHz CPU with Intel UHD 630 Graphics .Driver version Graphics Driver 31.0.101.2130 for 7th-10th Gen Intel® with 64GB of 3200MHz Corsair DDR4 ram.

1000 watt EVGA modular power supply.

1 x 250GB Evo 970 NVMe: drive for C: drive backup 1 x 1TB Sabrent NVMe drive for Operating System / Programs only. 1X WD BLACK 1TB internal SATA 7,200rpm hard drives.1 for internal projects, 1 for Library clips/sounds/music/stills./backup of working projects. 1x500GB SSD current project only drive, 2x WD RED 2TB drives for latest footage storage. Total 21TB of 8 external WD drives for backup.

ASUS NVIDIA GeForce RTX 3060 12GB. nVidia Studio driver version 560.81 - 3584xCUDA cores Direct X 12.1. Memory interface 192bit Memory bandwidth 360.05GB/s 12GB of dedicated GDDR6 video memory, shared system memory 16307MB PCi Express x8 Gen3. Two Samsung 27" LED SA350 monitors with 5000000:1 contrast ratios at 60Hz.

Running MMS 2024 Suite v 23.0.1.182 (UDP3) and VPX 14 - v20.0.3.180 (UDP3)

M Audio Axiom AIR Mini MIDI keyboard Ver 5.10.0.3507

VXP 14, MMS 2024 Suite, Vegas Studio 16, Vegas Pro 18, Cubase 4. CS6, NX Studio, Mixcraft 9 Recording Studio. Mixcraft Pro 10 Studio.

Audio System 5 x matched bi-wired 150 watt Tannoy Reveal speakers plus one Tannoy 15" 250 watt sub with 5.1 class A amplifier. Tuned to room with Tannoy audio application.

Ram Acoustic Studio speakers amplified by NAD amplifier.

Rogers LS7 speakers run from Cambridge Audio P50 amplifier

Schrodinger's Backup. "The condition of any backup is unknown until a restore is attempted."

emmrecs wrote on 1/4/2020, 1:43 PM

@k9vet

In addition to what @CubeAce has written, this specific problem can occur if the Sample Rate of your Realtek sound card has been switched to e.g. 44.1kHz when MEP expects 48kHz. "Windows Sounds" (of all varieties) tend to favour 44.1kHz and so, e.g. a notification of an incoming email can force the sound card to the "wrong" (for MEP and, indeed, many video editing programs) Sample Rate.

To correct this you will need to access your sound card settings and manually change it back.

HTH

Jeff

Win 11 Pro 64 bit, Intel i7 14700, 16 GB RAM, NVidia RTX 4060 and Intel UHD770 Graphics, MOTU 8-Pre f/w audio interface, VPX, MEP, Music Maker, PhotoStory Deluxe, Photo Manager Deluxe, Xara 3D Maker 7, Samplitude Pro X7 Suite, Reaper, Adobe Audition 3, CS6 and CC, 2 x Canon HG10 cameras, 1 x Canon EOS 600D, Akaso EK7000 Pro Action Cam

k9vet wrote on 1/4/2020, 4:13 PM

I appreciate the suggestions but now I am having an issue where the sound keeps playing but the video keeps freezing!!

In program audio settings I have buffer 4, 16384 and prev 4096 I have never had these problems when editing other videos, so I am very frustrated that i cannot move forward in editing this particular film. I do not use any fancy effects, multicamera stuff, etc. Just a basic vacation film with occasional fades. I paid $70 for this "new" 2020 version and now it is useless, at least for this film. BTW, my computer sound is set on 48K.

CubeAce wrote on 1/4/2020, 5:52 PM

@k9vet

Hi.

I wouldn't try copying my buffer example as my PC specs may be way higher than your own. Try slight increments or try switching to another audio driver if you can't reach a compromise between not loading and smooth playback.

I also notice on your original post you say your HD has 23gig of memory. I mistook that to mean you had 23gig of system ram memory but do you actually mean you only have 23 gig of hard drive space? If so that is a ridiculously low amount of space in which to try to manage any video project for editing. If you only have one hard drive it's a wonder the whole machine isn't tripping over itself. In my opinion your C: drive should have at least 250 gig of spare capacity to allow the program to move files around while MEP is working.

It always helps if you also give us your complete computer specs as well as the file types and resolutions of the videos you re trying to edit.

For instance. Processor type, amount of ram, amount of hard drives and types of drives, amount of free space on said drives, audio system, is it an onboard audio chip? which motherboard if yes? which sound card if no? Graphics card if fitted. You have stated you are using Windows 7 but which version? Are your files HD or 4K or lower?

It is possible at this point that our answers are wrong but normally the recommendation given to the problem as stated would normally help.

I did state that if you overdid the settings that stuttering may occur and this would be an extreme example of this but would not occur if you had enough ram at a fast enough speed for example.

This is why it is helpful to give as much information as possible and also a good idea to read the manual before starting a project or at least look at some of the online tutorials.

We really would like to help other users but it's difficult without more information other than 'This has stopped working'.

Ray.

 

[EDIT]

I notice from your profile you have been a member since 2008.

Have you used a previous version of MEP? Was it 32 bit or 64 bit?

Does your PC fit the present requirements for running MEP?

 

 

Last changed by CubeAce on 1/4/2020, 5:58 PM, changed a total of 1 times.

 

Windows 10 Enterprise. Version 22H2 OS build 19045.5011

Direct X 12.1 latest hardware updates for Western Digital hard drives.

Asus ROG STRIX Z390-F Gaming motherboard Rev 1.xx with Supreme FX inboard audio using the S1220A code. Driver No 6.0.8960.1 Bios version 1401

Intel i9900K Coffee Lake 3.6 to 5.1GHz CPU with Intel UHD 630 Graphics .Driver version Graphics Driver 31.0.101.2130 for 7th-10th Gen Intel® with 64GB of 3200MHz Corsair DDR4 ram.

1000 watt EVGA modular power supply.

1 x 250GB Evo 970 NVMe: drive for C: drive backup 1 x 1TB Sabrent NVMe drive for Operating System / Programs only. 1X WD BLACK 1TB internal SATA 7,200rpm hard drives.1 for internal projects, 1 for Library clips/sounds/music/stills./backup of working projects. 1x500GB SSD current project only drive, 2x WD RED 2TB drives for latest footage storage. Total 21TB of 8 external WD drives for backup.

ASUS NVIDIA GeForce RTX 3060 12GB. nVidia Studio driver version 560.81 - 3584xCUDA cores Direct X 12.1. Memory interface 192bit Memory bandwidth 360.05GB/s 12GB of dedicated GDDR6 video memory, shared system memory 16307MB PCi Express x8 Gen3. Two Samsung 27" LED SA350 monitors with 5000000:1 contrast ratios at 60Hz.

Running MMS 2024 Suite v 23.0.1.182 (UDP3) and VPX 14 - v20.0.3.180 (UDP3)

M Audio Axiom AIR Mini MIDI keyboard Ver 5.10.0.3507

VXP 14, MMS 2024 Suite, Vegas Studio 16, Vegas Pro 18, Cubase 4. CS6, NX Studio, Mixcraft 9 Recording Studio. Mixcraft Pro 10 Studio.

Audio System 5 x matched bi-wired 150 watt Tannoy Reveal speakers plus one Tannoy 15" 250 watt sub with 5.1 class A amplifier. Tuned to room with Tannoy audio application.

Ram Acoustic Studio speakers amplified by NAD amplifier.

Rogers LS7 speakers run from Cambridge Audio P50 amplifier

Schrodinger's Backup. "The condition of any backup is unknown until a restore is attempted."

johnebaker wrote on 1/5/2020, 9:14 AM

@k9vet

Hi

Is your Dell computer system still the one you had back in 2015 ie:

. . . . Intel Core (TM) i3-4130CPU @3.40 GHz, 4 Gb RAM . . . .

If so then it is below the required specification for running MEP 2020 and may be the cause of your issue having only 4GB of RAM.

John EB

VPX 16, Movie Studio 2025, and earlier versions 2015 and 2016, Music Maker Premium 2024.

PC - running Windows 11 23H2 Professional on Intel i7-8700K 3.2 GHz, 16GB RAM, RTX 2060 6GB 192-bit GDDR6, 1 x 1Tb Sabrent NVME SSD (OS and programs), 2 x 4TB (Data) internal HDD + 1TB internal SSD (Work disc), + 6 ext backup HDDs.

Laptop - Lenovo Legion 5i Phantom - running Windows 11 23H2 on Intel Core i7-10750H, 16GB DDR4-SDRAM, 512GB SSD, 43.9 cm screen Full HD 1920 x 1080, Intel UHD 630 iGPU and NVIDIA GeForce RTX 2060 (6GB GDDR6)

Sony FDR-AX53e Video camera, DJI Osmo Action 3 and Sony HDR-AS30V Sports cams.

k9vet wrote on 1/6/2020, 10:46 AM

I agree, and so I installed the software on my Windows 10 computer and things work well now! BTW, I don't know if you work for Magix, but I have a complaint: on the box that my MEP Plus came in it says, under update service, "Unlimited use of program". Nowhere does it say anything about how many of my own computers can use the software. If there are such limitations, it should say so ON THE BOX. Disappointing, especially since I have been a Magix user for YEARS!

johnebaker wrote on 1/6/2020, 2:48 PM

@k9vet

Hi

I do not work for Magix, however to answer your complaint - you can install MEP on as many computers as you wish, however you only have 2 activation slots, ie you can only use on any 2 computers at a time. To switch to a third installation you have to deactivate one of the 2.

Unlimited use of the program means that, if you let the Update Service expire the version, it will remain at its patch level, with no further updates or upgrades

However if you have to re-install, it will revert to the version you had at the last Update Service purchased.

HTH

John EB

 

 

Last changed by johnebaker on 1/6/2020, 2:53 PM, changed a total of 1 times.

VPX 16, Movie Studio 2025, and earlier versions 2015 and 2016, Music Maker Premium 2024.

PC - running Windows 11 23H2 Professional on Intel i7-8700K 3.2 GHz, 16GB RAM, RTX 2060 6GB 192-bit GDDR6, 1 x 1Tb Sabrent NVME SSD (OS and programs), 2 x 4TB (Data) internal HDD + 1TB internal SSD (Work disc), + 6 ext backup HDDs.

Laptop - Lenovo Legion 5i Phantom - running Windows 11 23H2 on Intel Core i7-10750H, 16GB DDR4-SDRAM, 512GB SSD, 43.9 cm screen Full HD 1920 x 1080, Intel UHD 630 iGPU and NVIDIA GeForce RTX 2060 (6GB GDDR6)

Sony FDR-AX53e Video camera, DJI Osmo Action 3 and Sony HDR-AS30V Sports cams.

Eddy_B wrote on 4/11/2021, 11:16 AM

Had the same problem and found a less professional but effective measure. This error only occurred at a particular film processed some years ago on an older version of PRO X.

As I always split movies into sections I loaded a section from a movie not showing this message and running properly, then added the one which caused problems before- and it worked perfect without any error messages! Remove the first movie and carry-on editing!

Cheers