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Yet Another Digital Audio Workstation

License: GNU General Public License v3.0

CMake 3.46% QML 23.27% C++ 72.48% C 0.76% JavaScript 0.03%

cpp cpp20 daw desktop digital-audio-workstation qml qt

yadaw's Issues

Rare potential crash on starting audio engine with AudioGraph backend

Description / Reproduce

On rare circumstances, starting the audio engine with AudioGraph backend (which is the only backend YADAW uses on Windows) will crash the program.

Log / Stack trace

Though the actual crash is rare, we can locate this problem on every startup with Dr. Memory. The following log is from result.txt generated after one session:

Error #1: UNADDRESSABLE ACCESS beyond heap bounds: reading 0x000001cb9ec9b240-0x000001cb9ec9b244 4 byte(s)
# 0 replace_memmove                                                            [D:\a\drmemory\drmemory\drmemory\replace.c:757]
# 1 YADAW::Audio::Backend::processInputs                                       [C:\Users\xris1658\Project\YADAW\src\audio\backend\AudioGraphBusConfiguration.cpp:134]
# 2 std::_Iterator_base12::_Adopt                                              [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\xmemory:1287]
# 3 std::_Vector_iterator<>::_Unwrapped                                        [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\vector:341]
# 4 ```YADAW::Controller::AudioEngine::process'::`2'::<lambda_1>::operator()'::`2'::<lambda_1>::operator()'::`2'::<lambda_1>::operator() [C:\Users\xris1658\Project\YADAW\src\controller\AudioEngineController.cpp:130]
# 5 std::vector<>::begin                                                       [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\vector:1804]
# 6 std::for_each<>                                                            [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\algorithm:284]
# 7 ``YADAW::Controller::AudioEngine::process'::`2'::<lambda_1>::operator()'::`2'::<lambda_1>::operator() [C:\Users\xris1658\Project\YADAW\src\controller\AudioEngineController.cpp:127]
# 8 std::_For_each_ivdep<>                                                     [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\execution:1165]
# 9 std::_Static_partitioned_for_each2<>::_Process_chunk                       [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\execution:1182]
#10 std::_Run_available_chunked_work<>                                         [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\execution:222]
#11 std::_Run_chunked_parallel_work<>                                          [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\execution:232]
#12 std::for_each<>                                                            [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\execution:1212]
#13 `YADAW::Controller::AudioEngine::process'::`2'::<lambda_1>::operator()     [C:\Users\xris1658\Project\YADAW\src\controller\AudioEngineController.cpp:124]
#14 std::for_each<>                                                            [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.39.33519\include\algorithm:284]
#15 YADAW::Controller::AudioEngine::process                                    [C:\Users\xris1658\Project\YADAW\src\controller\AudioEngineController.cpp:120]
#16 YADAW::Controller::audioGraphCallback                                      [C:\Users\xris1658\Project\YADAW\src\controller\AudioGraphBackendController.cpp:147]
#17 winrt::impl::delegate<>::Invoke                                            [C:\Program Files (x86)\Windows Kits\10\include\10.0.19041.0\cppwinrt\winrt\Windows.Foundation.h:895]
#18 Windows.Media.Audio.dll!DllGetClassObject                                 +0x3a12c  (0x00007ffdb5fcc7fd <Windows.Media.Audio.dll+0x4c7fd>)
#19 Windows.Media.Audio.dll!?                                                 +0x0      (0x00007ffdb5f82ad5 <Windows.Media.Audio.dll+0x2ad5>)
Note: @0:00:20.197 in thread 7268
Note: refers to 0 byte(s) beyond last valid byte in prior malloc
Note: prev lower malloc:  0x000001cb9ec9b240-0x000001cb9ec9b240
Note: allocated here:
Note: # 0 replace_malloc                                 [D:\a\drmemory\drmemory\common\alloc_replace.c:2580]
Note: # 1 MFPlat.DLL!MFCreatePropertiesFromMediaType    +0x1e9e   (0x00007ffe1edbb62f <MFPlat.DLL+0x11b62f>)
Note: # 2 MFPlat.DLL!MFCreatePropertiesFromMediaType    +0x2219   (0x00007ffe1edbb9aa <MFPlat.DLL+0x11b9aa>)
Note: # 3 MFPlat.DLL!MFCreatePropertiesFromMediaType    +0x2219   (0x00007ffe1edbb9aa <MFPlat.DLL+0x11b9aa>)
Note: # 4 MFPlat.DLL!MFCreatePropertiesFromMediaType    +0x2edb   (0x00007ffe1edbc66c <MFPlat.DLL+0x11c66c>)
Note: # 5 MFPlat.DLL!MFCreatePropertiesFromMediaType    +0x2edb   (0x00007ffe1edbc66c <MFPlat.DLL+0x11c66c>)
Note: # 6 MFPlat.DLL!MFCreatePropertiesFromMediaType    +0xaa1    (0x00007ffe1edba232 <MFPlat.DLL+0x11a232>)
Note: # 7 MFPlat.DLL!MFCreatePropertiesFromMediaType    +0x2dce   (0x00007ffe1edbc55f <MFPlat.DLL+0x11c55f>)
Note: # 8 WinTypes.dll!RoCreateNonAgilePropertySet      +0x5d15   (0x00007ffe21340b46 <WinTypes.dll+0x20b46>)
Note: # 9 MFPlat.DLL!MFCreateVideoMediaType             +0xd8     (0x00007ffe1ecb1359 <MFPlat.DLL+0x11359>)
Note: #10 MFPlat.DLL!MFAverageTimePerFrameToFrameRate   +0x516    (0x00007ffe1ecdb237 <MFPlat.DLL+0x3b237>)
Note: #11 MFPlat.DLL!MFCreateMemoryBuffer               +0x55     (0x00007ffe1ecc29c6 <MFPlat.DLL+0x229c6>)
Note: instruction: mov    (%rcx) -> %ecx

Note that "previous lower malloc" in MFCreatePropertiesFromMediaType allocated 0 bytes, which is weird giving that it seems allocating audio buffers we'd like to read in the callback.

Crashes on unloading Zebra2 / Zebralette

Zebra2 and Zebralette are synthesizers by u-he.

Reproduce

Checkout the latest commit from branch test-zebra
Load Zebra2 or Zebralette with the main app or VST3Test
Unload the plugin

Error message

Exception 0xc0000005 encountered at address 0x7ff85cfcfe78: Access violation reading location 0xffffffffffffffff

Stack trace

Module	Name	Address
Zebra2(x64).vst3		0x00007ff85cfcfe78
Zebra2(x64).vst3		0x00007ff85cfc402a
Zebra2(x64).vst3		0x00007ff85cfc3ea4
Zebra2(x64).vst3		0x00007ff85cfc3775
VST3Test.exe	`releasePointer<Steinberg::Vst::IComponent>(Steinberg::Vst::IComponent *)`	VST3Helper.hpp:27
VST3Test.exe	`YADAW::Audio::Plugin::VST3Plugin::destroyPlugin()`	VST3Plugin.cpp:138
VST3Test.exe	`YADAW::Audio::Plugin::VST3Plugin::~VST3Plugin()`	VST3Plugin.cpp:159
VST3Test.exe	`main(int, char **)`	main.cpp:459
VST3Test.exe	`invoke_main()`	0x00007ff6ab62a839
VST3Test.exe	`__scrt_common_main_seh()`	0x00007ff6ab62a78e
VST3Test.exe	`__scrt_common_main()`	0x00007ff6ab62a64e
VST3Test.exe	`mainCRTStartup(void *)`	0x00007ff6ab62a8ae
kernel32.dll		0x00007ff8d3e47344
ntdll.dll		0x00007ff8d5de26b1

More details

This issue is introduced in commit 634053e. To test this commit (and its previous commit, 7819597), we need some little changes to the code (which I've finished in the test-zebra branch).
At first I evaded this issue by committing 941119b. Since the call to IAudioProcessor::release is removed, we might encounter memory leaks or other runtime errors. For comparison, Musec WILL call that release without crashing.
- Further test on Linux indicates that this solution is problematic (see reply below).

关于您的daw中vst宿主机的实现相关

我正在做快速音频流处理相关的私人工具，需要接入vst3插件
但是我实在是搞不懂vst3 SDK中的示例代码
所以想获得下大佬的帮助
如何在一个qt6 项目中搭建一个基础的音频系统流程来挂载多个vst3插件呢？
我能找到的教程都是如何制作一个vst插件而不是宿主

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