pje / wavtap

globally capture whatever your mac is playing—as simply as a screenshot

WavTap

Capture whatever your mac is playing to a .wav file on your Desktop—as simply as a screenshot.

(This is alpha software. It will cause your computer to catch fire. 🔥)

Installation

Sierra

It's alive! Takes a few additional steps but unsigned kexts can be run if you complete the following steps.

1. Restart computer in recovery mode ⌘R

2. In Terminal type

   csrutil disable

3. Restart computer

4. Run Installer

El Capitan

NB: WavTap is completely broken on El Capitan due to Apple's System Integrity Protection. The next release of WavTap will fix this.

Yosemite

As of Yosemite, Apple bans drivers that haven't received explicit approval from Apple. The only workaround I'm aware of is to set a system flag to globally allow all unsigned kernel extensions. This means WavTap will not work unless you've enabled kext-dev-mode, using something like this:

sudo nvram boot-args=kext-dev-mode=1

Yes, this sucks.

Once that's done, run the installer.

Uninstallation

make uninstall removes everything

Nerd Corner

WavTap began as a fork of Soundflower. thanks to Cycling '74, tap, ma++ ingalls, and everyone else who's contributed to it.

wavtap's Issues

Kernel extensions signed with earlier versions of OS X are treated as unsigned by OS X v10.9.

https://developer.apple.com/library/mac/releasenotes/MacOSX/WhatsNewInOSX/Articles/MacOSX10_9.html

Thank your for your hard work.
I'm waiting your new update version to figure it out.

Issue with Yosemite

I just tried to use WavTap in Yosemite after enabling the kernel mode. I can see the output device in my sound settings but I don't see the WavTap icon in the menu bar. I am not sure how I can use it without the menu bar item. Any help is appreciated.

Multichannel support

Support recording n channel files and making WavTap appear as an n-channel device.

Upgrade all deprecated HAL methods (remove all build warnings)

http://developer.apple.com/library/mac/#technotes/tn2223/_index.html

Received error during install

Prior to the app installer saying the app had been successfully installed (and the app now appearing in the menu bar), I received this error:

https://dl.dropbox.com/u/3772191/Screen%20Shot%202012-11-19%20at%202.56.10%20PM.png

Not sure if I need to re-do something or all is well?

Doc

No Choice for "Use Built-in Output"

Using on new MacBook Pro. It seems the only way to record is to select WavTap for both Input and Output in system sound preferences. This means no ability to monitor. Is this OS 10.8 deliberately thwarting your fine work and the ability to freely record on my hard-earned hardware?

Thanks for all your work!

Harlan

Full on distorsion with semipro audio interface

After basic installation, right away there is heavy distorsion (like a loud sawtooth) almost blowing my speakers. I turned them off and tried again.

Wavetap had set itself as default for audio out. In "Audio/MIDI" wavetao is at 44.1khz and 32bit, My audio interface, the RMI Babyface, is at the same bit depth and sample rate. Totally unusable I'm afraid.

I yanked the Audio interface and tried the built-in sound for now. This is 24bits 44.1khz. No distorsion. So basically Wavetap works as long as you don't have specific audio interface?

WavTap stops working - unable to monitor audio

Excellent piece of software - only problem is it's stopped working. When I start WavTap it sets the system output to WavTap as expected, unfortunately I can no longer hear the audio, it's as if WavTap no longer passes it through... I've uninstalled, trashed all leftover files via Terminal and reinstalled but no dice...

I'm on OSX 10.8.3

---

Edit - if I create a multi-output device composed of WavTap and the on-board output, then I can use that device with WavTap and record what I hear. Which just means changing the output device when I start WavTap. Hope this helps.

How to switch the input device at start?

Sorry, that this isn't an issue, but maybe someone can help me. I can't find the answer anywhere.

How can I switch the input device to "WavTap" at the start of the app. I find the solution to switch back to the default input, but is there any way to switch to "WavTap" at the start?

The method rebuildDeviceList can only find three audio devices (default input, default output, wavtap output), but not wavtap input.

Default Routing

Sensible default: System -> WavTap -> Built-in Output

This would reduce the whole setup process to just running the installer & launching the app.

WavTap stops working after reboot

I've installed WavTap about 4 times, and every time it works fine on installation. On reboot however, it says something like 'Kernel missing'.

I'm running a 10.7.4 Lion install and made my GitHub account to post this. It's a very uesful app and I'd love to see the issues in it resolved.

Mavericks, no sound through headphones after install

After installing wavtap my sound is all screwed up. It won't play through the headphones and it won't even record audio.

Make volume differences between AudioDevices less confusing

recordings are likely to be quieter than you'd expect

Instal Kernel extension

Started app and selected both "start recording" and "20s backbuffer" in the drop down from the top bar. App disapeared, crashed I assume. Upon restarting and initializing the app again there's a message saying "Lernel Extenion not Installed".

My OS to old?

Retina Icon?

Hey there, I know this issue is a bit "bikesheddy", but it'd be nice to have a retina icon!

Thanks
JH

Choosing which real output device to pass sound through

Hey there,

I have two output devices: my laptop speakers and a pair of bluetooth headphones. When I switch to wavtap, it redirects the audio to my laptop speakers. How can I make it redirect the audio to my headphones so I can use my headphones and still capture audio with wavtap?

Thanks!

Error during install and Lion won't boot (folder and question mark)

Hi.

I've tried your extension. The insall process did say the extension wouldn't work but didn't give any possibility to stop the install. The installer did say the install was fine.

After reboot the mac won't start and give the question marked folder.

I've tried to put boot in target mode and remove the extension but didn't work.

Could you please explain clearly how to uninstall the extension. I don't know how to "make unsinstall".
I'm on Lion 10.7.4 and on a Macbook.

Thanks.

Hubert

Feedback/buzzing with multichannel card

For testing issue #29, I tried using a USB sound card. Unfortunately, it has 8 channels: 1 thru 6 are the 5.1 surround output and 7/8 are the stereo output that I actually want to use. OS X seems to be able to detect this and plays alert sounds through the stereo output. If I start WavTap normally (quit if it was already running, plug in sound card, select as default, open WavTap.app) I get a weird buzzing sound. This was recorded with some headphones attached to the stereo output and placed next to another computer:

http://www.rupamsunyata.org/decklin/tmp/wavtap-buzzing.flac

You can hear a click sound at the beginning (that's me clicking on WavTap in Applications) and then two at the end (using the menu to quit).

Not sure if this is related to #26 or not. I don't need all 8 channels; I just want the stereo pair to be selected from them.

(I was able to get a cheap 2-channel 48000Hz-only card to work so I think it was just PEBCAK before. However, I don't want to introduce another variable into testing issue #29 -- I may just get another 44100Hz-capable card.)

Volume is low after installation

After installing WavTap the volume of my MacBook dropped considerably.

I found out that WavTap set itself as the Output Device and by setting it manually back to "internal speakers" my volume was correct again.
After that setting it back to WavTap fixed the volume level of my speakers and I could enjoy WavTap :)

v0.2.0 reports version v0.0.1 in about menu

The tag download ( https://github.com/downloads/pje/WavTap/WavTap%200.2.0.pkg ) still reports an older version.

Frequent Freed Object Modification Crashes on Lion

Process: WavTap [19088]
Path: /Applications/WavTap.app/Contents/MacOS/WavTap
Identifier: com.cycling74.WavTap
Version: 0.0.1 (1.0)
Code Type: X86-64 (Native)
Parent Process: launchd [222]

Date/Time: 2012-08-20 12:11:27.165 +0200
OS Version: Mac OS X 10.7.4 (11E53)
Report Version: 9
Sleep/Wake UUID: 53E734DD-1AC3-4A66-A349-501F8013C4DC

Interval Since Last Report: 144629 sec
Crashes Since Last Report: 2
Per-App Interval Since Last Report: 3412 sec
Per-App Crashes Since Last Report: 1
Anonymous UUID: 558A88CD-2CE2-4054-9A57-7C74C74696A9

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000

Application Specific Information:
objc[19088]: garbage collection is OFF
*** error for object 0x7fe5f403c408: incorrect checksum for freed object - object was probably modified after being freed.

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff8c5b0ce2 pthread_kill + 10
1 libsystem_c.dylib 0x00007fff889907d2 pthread_kill + 95
2 libsystem_c.dylib 0x00007fff88981a7a abort + 143
3 libsystem_c.dylib 0x00007fff889a34ac szone_error + 459
4 libsystem_c.dylib 0x00007fff889a34e8 free_list_checksum_botch + 29
5 libsystem_c.dylib 0x00007fff889a9feb small_malloc_from_free_list + 494
6 libsystem_c.dylib 0x00007fff889aba50 szone_malloc_should_clear + 3741
7 libsystem_c.dylib 0x00007fff889e0346 malloc_zone_calloc + 81
8 libsystem_c.dylib 0x00007fff889e115d calloc + 48
9 com.apple.HIToolbox 0x00007fff901197bb HIStandardMenuView::GetOptimalSizeSelf(CGSize, float) + 299
10 com.apple.HIToolbox 0x00007fff900dee6f HIView::GetOptimalSizeWithLimitsSelf(CGSize_, float_, CGSize_) + 13
11 com.apple.HIToolbox 0x00007fff900efed5 HIView::SendGetOptimalBounds(CGRect_, float_, CGSize_) + 185
12 com.apple.HIToolbox 0x00007fff900e13cb HIView::GetOptimalSize(CGSize_, float_, CGSize_) + 45
13 com.apple.HIToolbox 0x00007fff901db844 HandleCalculateMenuSize(OpaqueEventRef_) + 157
14 com.apple.HIToolbox 0x00007fff9005d363 MenuData::EventHandler(OpaqueEventHandlerCallRef_, OpaqueEventRef_, void_) + 311
15 com.apple.HIToolbox 0x00007fff90054448 _ZL23DispatchEventToHandlersP14EventTargetRecP14OpaqueEventRefP14HandlerCallRec + 1263
16 com.apple.HIToolbox 0x00007fff90053a54 _ZL30SendEventToEventTargetInternalP14OpaqueEventRefP20OpaqueEventTargetRefP14HandlerCallRec + 446
17 com.apple.HIToolbox 0x00007fff9005388e SendEventToEventTargetWithOptions + 72
18 com.apple.HIToolbox 0x00007fff901dbf8c CalcMenuSizeOnDevice(MenuData, unsigned short, unsigned int, CGRect const*, unsigned int) + 803
19 com.apple.AppKit 0x00007fff89e2e445 -[NSCarbonMenuImpl _maximumSizeForScreen:] + 87
20 com.apple.AppKit 0x00007fff89fa172b -[NSMenu size] + 35
21 com.apple.AppKit 0x00007fff8a093563 +[NSStatusBarButtonCell popupStatusBarMenu:inRect:ofView:withEvent:] + 422
22 com.apple.AppKit 0x00007fff8a093909 -[NSStatusBarButtonCell trackMouse:inRect:ofView:untilMouseUp:] + 147
23 com.apple.AppKit 0x00007fff89c13eaa -[NSControl mouseDown:] + 786
24 com.apple.AppKit 0x00007fff89bdf348 -[NSWindow sendEvent:] + 6306
25 com.apple.AppKit 0x00007fff8a09431c -[NSStatusBarWindow sendEvent:] + 66
26 com.apple.AppKit 0x00007fff89b78a55 -[NSApplication sendEvent:] + 5593
27 com.apple.AppKit 0x00007fff89b0f0c6 -[NSApplication run] + 555
28 com.apple.AppKit 0x00007fff89d8b244 NSApplicationMain + 867
29 com.cycling74.WavTap 0x000000010db2ed32 main + 34 (main.m:5)
30 com.cycling74.WavTap 0x000000010db2ed04 start + 52

Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x00007fff8c5b17e6 kevent + 10
1 libdispatch.dylib 0x00007fff8d03e78a _dispatch_mgr_invoke + 923
2 libdispatch.dylib 0x00007fff8d03d31a _dispatch_mgr_thread + 54

Thread 2:: com.apple.audio.IOThread.client
0 libsystem_kernel.dylib 0x00007fff8c5af67a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff8c5aed71 mach_msg + 73
2 com.apple.audio.CoreAudio 0x00007fff8836eeb3 HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t_, unsigned int) + 93
3 com.apple.audio.CoreAudio 0x00007fff8836ef05 HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, unsigned int) + 37
4 com.apple.audio.CoreAudio 0x00007fff88368568 HALC_ProxyIOContext::IOWorkLoop() + 888
5 com.apple.audio.CoreAudio 0x00007fff88368151 HALC_ProxyIOContext::IOThreadEntry(void_) + 73
6 com.apple.audio.CoreAudio 0x00007fff8836800c HALB_IOThread::Entry(void*) + 78
7 libsystem_c.dylib 0x00007fff8898e8bf _pthread_start + 335
8 libsystem_c.dylib 0x00007fff88991b75 thread_start + 13

Thread 3:: com.apple.audio.IOThread.client
0 libsystem_kernel.dylib 0x00007fff8c5af67a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff8c5aed71 mach_msg + 73
2 com.apple.audio.CoreAudio 0x00007fff8836eeb3 HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t_, unsigned int) + 93
3 com.apple.audio.CoreAudio 0x00007fff8836ef05 HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, unsigned int) + 37
4 com.apple.audio.CoreAudio 0x00007fff88368568 HALC_ProxyIOContext::IOWorkLoop() + 888
5 com.apple.audio.CoreAudio 0x00007fff88368151 HALC_ProxyIOContext::IOThreadEntry(void_) + 73
6 com.apple.audio.CoreAudio 0x00007fff8836800c HALB_IOThread::Entry(void*) + 78
7 libsystem_c.dylib 0x00007fff8898e8bf _pthread_start + 335
8 libsystem_c.dylib 0x00007fff88991b75 thread_start + 13

Thread 4:
0 libsystem_kernel.dylib 0x00007fff8c5b1192 __workq_kernreturn + 10
1 libsystem_c.dylib 0x00007fff88990594 _pthread_wqthread + 758
2 libsystem_c.dylib 0x00007fff88991b85 start_wqthread + 13

Thread 5:
0 libsystem_kernel.dylib 0x00007fff8c5b1192 __workq_kernreturn + 10
1 libsystem_c.dylib 0x00007fff88990594 _pthread_wqthread + 758
2 libsystem_c.dylib 0x00007fff88991b85 start_wqthread + 13

Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x0000000000000006 rcx: 0x00007fff6d72b648 rdx: 0x0000000000000000
rdi: 0x0000000000000b07 rsi: 0x0000000000000006 rbp: 0x00007fff6d72b670 rsp: 0x00007fff6d72b648
r8: 0x00007fff74ad1fb8 r9: 0x0000000000000000 r10: 0x00007fff8c5b0d0a r11: 0xffffff80002da8d0
r12: 0x000000010db45000 r13: 0x000000010f6d2000 r14: 0x00007fff74ad4960 r15: 0x000000010f6d20c0
rip: 0x00007fff8c5b0ce2 rfl: 0x0000000000000246 cr2: 0x000000010f6d5000
Logical CPU: 0

Binary Images:
0x10db2d000 - 0x10db38ff7 +com.cycling74.WavTap (0.0.1 - 1.0) /Applications/WavTap.app/Contents/MacOS/WavTap
0x10de22000 - 0x10de28fef libcldcpuengine.dylib (1.50.69 - compatibility 1.0.0) <303313AD-2D57-37A5-922B-3194C5DCD007> /System/Library/Frameworks/OpenCL.framework/Libraries/libcldcpuengine.dylib
0x10de2f000 - 0x10de32ff7 libCoreFSCache.dylib (??? - ???) <70D5EB80-24F5-3837-9302-EBD4CFCE5CBA> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreFSCache.dylib
0x10de4a000 - 0x10de4aff5 +cl_kernels (??? - ???) <6D626916-2C9D-4276-83B8-4C8D186A78D6> cl_kernels
0x10f3aa000 - 0x10f3aefff com.apple.audio.AudioIPCPlugIn (1.2.2 - 1.2.2) /System/Library/Extensions/AudioIPCDriver.kext/Contents/Resources/AudioIPCPlugIn.bundle/Contents/MacOS/AudioIPCPlugIn
0x10f3b3000 - 0x10f3b8fff com.apple.audio.AppleHDAHALPlugIn (2.2.0 - 2.2.0f3) <4EC4981B-68AE-357E-960F-3D4603A61E9F> /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn
0x10f771000 - 0x10f804ff7 unorm8_bgra.dylib (1.50.69 - compatibility 1.0.0) <5FB796A4-1AD0-3B4D-AA83-F8A46E039224> /System/Library/Frameworks/OpenCL.framework/Libraries/ImageFormats/unorm8_bgra.dylib
0x7fff6d72d000 - 0x7fff6d761baf dyld (195.6 - ???) <0CD1B35B-A28F-32DA-B72E-452EAD609613> /usr/lib/dyld
0x7fff84040000 - 0x7fff84624fff libBLAS.dylib (??? - ???) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
0x7fff84645000 - 0x7fff846c8fef com.apple.Metadata (10.7.0 - 627.32) <38735923-2EB5-3133-BE36-BDD65A7E47DB> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
0x7fff846d6000 - 0x7fff84741ff7 com.apple.framework.IOKit (2.0 - ???) <6C604894-7F61-3130-8499-20791D14577F> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x7fff84742000 - 0x7fff847e7fff com.apple.ink.framework (1.4 - 110) /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
0x7fff847e8000 - 0x7fff847faff7 libz.1.dylib (1.2.5 - compatibility 1.0.0) <30CBEF15-4978-3DED-8629-7109880A19D4> /usr/lib/libz.1.dylib
0x7fff847fb000 - 0x7fff84824fff com.apple.CoreVideo (1.7 - 70.3) <9A9D4058-9935-3B0A-B1A6-27EB78D02249> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
0x7fff84851000 - 0x7fff84860ff7 libxar-nossl.dylib (??? - ???) /usr/lib/libxar-nossl.dylib
0x7fff84ad7000 - 0x7fff84ad8fff libDiagnosticMessagesClient.dylib (??? - ???) <3DCF577B-F126-302B-BCE2-4DB9A95B8598> /usr/lib/libDiagnosticMessagesClient.dylib
0x7fff84af6000 - 0x7fff84afcff7 libunwind.dylib (30.0.0 - compatibility 1.0.0) <1E9C6C8C-CBE8-3F4B-A5B5-E03E3AB53231> /usr/lib/system/libunwind.dylib
0x7fff84afd000 - 0x7fff84b2dff7 com.apple.DictionaryServices (1.2.1 - 158.2) <3FC86118-7553-38F7-8916-B329D2E94476> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
0x7fff84e53000 - 0x7fff84ff2ff7 com.apple.QuartzCore (1.7 - 270.4) <97E20A5F-652B-3E85-8C46-DCB777248ECD> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
0x7fff85042000 - 0x7fff85059fff com.apple.MultitouchSupport.framework (231.4 - 231.4) <10A978D1-8781-33F0-BE45-60C9171F7278> /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/MultitouchSupport
0x7fff8505a000 - 0x7fff85060fff libmacho.dylib (800.0.0 - compatibility 1.0.0) /usr/lib/system/libmacho.dylib
0x7fff850f4000 - 0x7fff850f4fff com.apple.CoreServices (53 - 53) <043C8026-8EDD-3241-B090-F589E24062EF> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
0x7fff8512c000 - 0x7fff855f3fff FaceCoreLight (1.4.7 - compatibility 1.0.0) /System/Library/PrivateFrameworks/FaceCoreLight.framework/Versions/A/FaceCoreLight
0x7fff856ae000 - 0x7fff856d6fff com.apple.PerformanceAnalysis (1.11 - 11) <8D4C6382-DD92-37A2-BCFC-E89951320848> /System/Library/PrivateFrameworks/PerformanceAnalysis.framework/Versions/A/PerformanceAnalysis
0x7fff856d7000 - 0x7fff856d9fff libCVMSPluginSupport.dylib (??? - ???) <1C73D331-6F6C-3872-A011-1C41FBF49F2A> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCVMSPluginSupport.dylib
0x7fff856da000 - 0x7fff856dafff com.apple.Accelerate (1.7 - Accelerate 1.7) <82DDF6F5-FBC3-323D-B71D-CF7ABC5CF568> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x7fff856db000 - 0x7fff85be4ff7 com.apple.RawCamera.bundle (3.14.0 - 646) <75A96BFC-1832-808B-F430-C4C9379C5A98> /System/Library/CoreServices/RawCamera.bundle/Contents/MacOS/RawCamera
0x7fff85c08000 - 0x7fff85c28fff libPng.dylib (??? - ???) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib
0x7fff85c29000 - 0x7fff85c2afff libunc.dylib (24.0.0 - compatibility 1.0.0) /usr/lib/system/libunc.dylib
0x7fff85c2b000 - 0x7fff85e55fe7 com.apple.CoreData (104.1 - 358.14) <6BB64605-8DA7-337D-A2AB-A3346A421CBD> /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
0x7fff85e62000 - 0x7fff867ffc9f com.apple.CoreGraphics (1.600.0 - ???) <1DB9C92C-DFA8-36ED-B513-998134462148> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
0x7fff86a96000 - 0x7fff86ac3ff7 com.apple.opencl (1.50.69 - 1.50.69) <57939F7D-3626-30E2-883D-8A7CCB3F8763> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
0x7fff86ac4000 - 0x7fff86b5eff7 com.apple.SearchKit (1.4.0 - 1.4.0) <4E70C394-773E-3A4B-A93C-59A88ABA9509> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
0x7fff86b5f000 - 0x7fff86b83fff com.apple.Kerberos (1.0 - 1) <1F826BCE-DA8F-381D-9C4C-A36AA0EA1CB9> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
0x7fff86b84000 - 0x7fff86c8bfe7 libsqlite3.dylib (9.6.0 - compatibility 9.0.0) /usr/lib/libsqlite3.dylib
0x7fff86c8c000 - 0x7fff86c91fff libcache.dylib (47.0.0 - compatibility 1.0.0) /usr/lib/system/libcache.dylib
0x7fff873f1000 - 0x7fff8741cff7 libxslt.1.dylib (3.24.0 - compatibility 3.0.0) /usr/lib/libxslt.1.dylib
0x7fff8741d000 - 0x7fff8742aff7 libbz2.1.0.dylib (1.0.5 - compatibility 1.0.0) <8EDE3492-D916-37B2-A066-3E0F054411FD> /usr/lib/libbz2.1.0.dylib
0x7fff8742b000 - 0x7fff8742dfff com.apple.TrustEvaluationAgent (2.0 - 1) <1F31CAFF-C1C6-33D3-94E9-11B721761DDF> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/TrustEvaluationAgent
0x7fff8742e000 - 0x7fff874f5ff7 com.apple.ColorSync (4.7.4 - 4.7.4) <590AFCDA-F10E-31FE-9B01-DA5FFE74C2BB> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSync.framework/Versions/A/ColorSync
0x7fff874fa000 - 0x7fff875adff7 com.apple.CoreText (220.20.0 - ???) <0E979362-15E4-3955-BF54-B5961361D1CC> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreText.framework/Versions/A/CoreText
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0x7fff8fe8c000 - 0x7fff8fe9afff com.apple.NetAuth (1.0 - 3.0) /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
0x7fff8fe9b000 - 0x7fff8ffa7fff libcrypto.0.9.8.dylib (44.0.0 - compatibility 0.9.8) <3A8E1F89-5E26-3C8B-B538-81F5D61DBF8A> /usr/lib/libcrypto.0.9.8.dylib
0x7fff8ffa8000 - 0x7fff9004afff com.apple.securityfoundation (5.0 - 55116) /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoundation
0x7fff9004b000 - 0x7fff9004bfff com.apple.ApplicationServices (41 - 41) <03F3FA8F-8D2A-3AB6-A8E3-40B001116339> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
0x7fff9004c000 - 0x7fff90378ff7 com.apple.HIToolbox (1.9 - ???) /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
0x7fff903f0000 - 0x7fff90400ff7 com.apple.opengl (1.7.7 - 1.7.7) <0CA11278-746C-353A-923B-BCC0047190C3> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
0x7fff90401000 - 0x7fff90485ff7 com.apple.ApplicationServices.ATS (317.11.0 - ???) <082DEAFE-8A93-3AF2-B4E5-30012E725929> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
0x7fff90c1f000 - 0x7fff90df3ff7 com.apple.CoreFoundation (6.7.2 - 635.21) <62A3402E-A4E7-391F-AD20-1EF20236CE1B> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x7fff90df4000 - 0x7fff90f01fff libJP2.dylib (??? - ???) <5BE8CFA7-00C2-3BDE-BC20-5FF6DC18B415> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libJP2.dylib
0x7fff90f02000 - 0x7fff90f0dfff com.apple.CommonAuth (2.2 - 2.0) <77E6F0D0-85B6-30B5-B99C-F57104DD2EBA> /System/Library/PrivateFrameworks/CommonAuth.framework/Versions/A/CommonAuth
0x7fff90f0e000 - 0x7fff90f15fff libcopyfile.dylib (85.1.0 - compatibility 1.0.0) <172B1985-F24A-34E9-8D8B-A2403C9A0399> /usr/lib/system/libcopyfile.dylib
0x7fff90f8b000 - 0x7fff90faafff libresolv.9.dylib (46.1.0 - compatibility 1.0.0) <0635C52D-DD53-3721-A488-4C6E95607A74> /usr/lib/libresolv.9.dylib
0x7fff90fab000 - 0x7fff90fbdff7 libsasl2.2.dylib (3.15.0 - compatibility 3.0.0) <6245B497-784B-355C-98EF-2DC6B45BF05C> /usr/lib/libsasl2.2.dylib
0x7fff91005000 - 0x7fff91057ff7 libGLU.dylib (??? - ???) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
0x7fff91058000 - 0x7fff91083ff7 com.apple.CoreServicesInternal (113.17 - 113.17) /System/Library/PrivateFrameworks/CoreServicesInternal.framework/Versions/A/CoreServicesInternal

External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 59
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 16647
thread_create: 0
thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=150.3M resident=65.1M(43%) swapped_out_or_unallocated=85.2M(57%)
Writable regions: Total=70.4M written=2332K(3%) resident=6560K(9%) swapped_out=4K(0%) unallocated=64.0M(91%)

REGION TYPE VIRTUAL
=========== =======
(null) (reserved) 128K reserved VM address space (unallocated)
CG backing stores 220K
CG image 4K
CG raster data 64K
CG shared images 3472K
CoreGraphics 16K
CoreImage 4K
CoreServices 3520K
MALLOC 41.7M
MALLOC guard page 32K
Memory tag=240 4K
Memory tag=242 12K
OpenCL 8K
STACK GUARD 56.0M
Stack 10.5M
VM_ALLOCATE 16.1M
__CI_BITMAP 80K
__DATA 13.2M
__IMAGE 528K
__LINKEDIT 47.9M
__RC_CAMERAS 248K
__TEXT 102.4M
__UNICODE 544K
mapped file 32.4M
shared memory 516K
=========== =======
TOTAL 329.5M
TOTAL, minus reserved VM space 329.4M

Model: MacBookPro8,1, BootROM MBP81.0047.B27, 2 processors, Intel Core i5, 2.3 GHz, 4 GB, SMC 1.68f98
Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 384 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353737334448302D4348392020
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353737334448302D4348392020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.198.4.20)
Bluetooth: Version 4.0.5f11, 2 service, 18 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Network Service: AirPort, AirPort, en1
Serial ATA Device: OCZ-VERTEX2, 240.06 GB
Serial ATA Device: MATSHITADVD-R UJ-8A8
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 3
USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfa100000 / 2
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0245, 0xfa120000 / 5
USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 8
USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfd100000 / 2
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3

App should automatically load/unload AudioDevice

Ideally:

When you launch WavTap, it should trigger loading of the hardware device.

At all other times, there should be no mention of WavTap in the Audio Devices window of Audio MIDI Setup.

Sound distorted?

After installing WavTap the sound comes out with a nasty distortion if the system level is above 60% ... iTunes / VOX / QuickTime all the same.

I've compared the exact same song on my other macbook (without WavTap installed) and there i don't get any distortion even at the loudest volume - in general it's as if the one with wavtap on it has a 30% gain boost...

PS I'm on a 2011 Macbook pro 15"

Use in existing app?

Hello. I just came across this and it seems to be working really good on Mavericks! Thanks for putting it together pje, it's exactly what I was looking for.

Something I am wondering:

How would I go about using / adding this functionality to another app. I am making something that builds upon this to do more than just record audio, but this seems to be the best solution for audio and I would like to include it with it.

If you can shed any light or even just point me in the right direction, that would be great.

Thanks a lot!

Global Shortcut Isn't Set During Installation

License?

Hi,

What is the license for WavTap's source code? Soundflower is MIT.

It would be helpful if details about the license could be added to the README.

Thanks.

Variable Bit Depth Settings

It should respect whatever bit depth you select within Audio Midi Setup.

(Currently it always records in 32-bit.)

Weird distortion whenever Wavtap running (even before pressing record)

Just installed this - the concept is great, I've wanted something like this for ages to be able to quickly sample sounds from youtube etc. However, when wavtap is running (ie icon is present on the menu bar) all system audio (or at least all that I've checked so far - Youtube videos through Chrome, mp3s through itunes) becomes crazy distorted. You can still recognise the music but it sounds as if some bits of the audio have been pitch shifted down or something? I can try and record this happening on my phone if that will help.

If you actually make a recording, the resulting wav file sounds fine, so clearly wavtap is successfully getting the right audio in, but something in the output is going wrong.

The probable cause of all this is that my audio is going through a firewire soundcard, specifically an Edirol FA-101. If I unplug the soundcard and just play through system audio (ie the builtin laptop speakers) then it works fine, ie while wavtap is running the audio sounds normal.

I'm on OS X 10.8.2, late 2009 MBP. I'm keen to help you debug this if there is any way I can, as I would love to use this app! Please let me know if it would help to provide a (phone) recording of this happening.

Make Uninstallation Easier

There should be a button

No output sound

Mac Mini (2012) /OSX 10.8.2 / iTunes 11.0

After installation there is no sound output during playback thru internal speakers or speakers on external monitor (HDMI connection).

What should be the device selections for input and output in System Preferences/Sound ?

Yosemite can't make install

When i am trying to make install kernel extension i am getting this error:

sudo chmod -R 700 /System/Library/Extensions/WavTap.kext
sudo chown -R root:wheel /System/Library/Extensions/WavTap.kext
sudo kextload -v /System/Library/Extensions/WavTap.kext
Requesting load of /System/Library/Extensions/WavTap.kext.
/System/Library/Extensions/WavTap.kext failed to load - (libkern/kext) not loadable (reason unspecified); check the system/kernel logs for errors or try kextutil(8).
make[1]: *** [install] Error 71
make: *** [install-kext] Error 2

In other hand when i downloaded WavTap 0.2.0.pkg is working fine. I am trying to make own kerner audio device extension, could you help me ?

Don't Fall Over When the Bit Depth is Changed

Currently, stuff gets mangled if you change the device's bit depth from Audio Midi Setup while it's running.

Preferences Menu

...where you can edit the 'Record' hotkey

ShortcutRecorder might be helpful

Toggle Recording From a MenuBarItem

also list the global hotkey keyequivalent here

WTF

I am sorry but I have to insult u..
you did an alpha and never updated it since last year !
you got somehow the attention of CDM so thuosands of ppl download and installed it...
when you go viral you can expect that the users will not know what is a terminal and how to use it...and ANYWAY the list of "nerd" commands that you put here as instructions is not working on my compute (latest ML).
as a developer ur support sucks.
the app sometime works, most of the time captures files with a VERY low volume in db even with volume slider full up.
There is plenty of problems, Soundflower is not working anymore...the volume of my audio card jumps up and down...I would love to be able to simply remove your piece of crap but I can't...
Did you get a job ? or are you still in the Nirvana for the CDM review ?
Please provide correct instructions on how to remove your code or if there is a way we should report you.

This needs a dazzling website

Just saying

Launch at Startup

Recording drops

I'm using WavTap to record output from Ableton (I have tried experimenting with buffer/latency settings there to no effect.) I typically record about an hour of audio at a time. Randomly (I'd say every 5 minutes or so on average?), WavTap's recording drops up to about half a second of audio from the output file (not silence; it just skips ahead, as if you had just hit "cut" on that fraction of a second in an audio editor).

Have you experienced this in any other situations? Can I help track it down?

I've tried both the installer version and building from source. (I had to upgrade Xcode to 4.5 to build -- might be good to note this in the README somewhere.)

Automatic updates

Maybe sparkle? https://github.com/andymatuschak/Sparkle

Record the Past n Seconds

Maintain a ring buffer that always contains the last 30 seconds of audio.

A second command could then just pipe all PCM data from the ring buffer into an audio file.

Click and pops when running

MB Air - 10.7.4 2GB 1.6 GHz i5

Speakers emit scratchy clicks and pops after installation. Quitting the program solves the problem.

Remove all references to Soundflower in System-Interfacing Strings

To avoid collisions and general confusion, bundleIdentifiers and the like should have no references to Soundflower or Cycling74 whatsoever. (The big ones have been changed already.)

Create Installation Package

(Currently it's only installable with make & xcodebuild.)

Sound files are not saving on desktop (or anywhere I can find them)

I am on Mountain Lion and have tried to make several recordings. I choose "Start Recording" and then "Stop Recording" but no files have appeared on my desktop. And a search for .wav files turns up nothing. Any idea what I am doing wrong?

wavtap won't capture audio in yosemite

am I crazy or does wav tap not work in the latest release of yosemite?

Crash upon saving (OS X 10.7.4)

I installed WavTap via the installer, running OS X 10.7.4.

I can start recording, but the application crashes once I try to save. I restarted it several times via Spotlight, always with the same outcome.

No files were recorded (unless the default folder is something other than the ~/Desktop).

Mountain Lion

Will this app eventually be usable with Mountain Lion?

Don't Fall Over When the Sample Rate is Changed

How do I uninstall WavTap? (OS X 10.7.4)

I installed WavTap using the installer, running OS X 10.7.4.

I haven't seen anything on uninstalling on the page, so I simply deleted WavTap.app from the Applications folder. The WavTap device is still in my list of audio devices, but there is no related panel in the System Preferences or the like to remove it. Will this disappear after a restart?

As an issue, a quick info on how to properly uninstall WavTap would be useful. That is, when using the installer to install the application - I didn't see a makefile in WavTap.app, so the "make uninstall" mentioned on the home page wouldn't work, right?

Tests