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Project description
Base python module for the DAVE project
Important: It is not recommended to install DAVE directly from pypi, you should rather use the install script as show in the "Project Setup" section.
Debugger Audio Visualization Extension
DAVE is a GDB & LLDB extension which provide commands to visualize audio data directly from your buffers/classes. No need to recompile your code and/or instrument it with nasty macros or fancy libs, just start your debugger !
The DAVE GUI
Currently supported audio containers (both in float
and double
) are :
1D (mono) containers:
std::array
std::vector
std::span
- Microsoft's
gsl::span
C array
pointer
choc::buffer::MonoView
choc::buffer::MonoVBuffer
2D (multichannel) containers:
- Any nesting of C/C++ standards 1D containers
juce::AudioBuffer
juce::dsp::AudioBlock
choc::buffer::InterleavedView
choc::buffer::InterleavedBuffer
choc::buffer::ChannelArrayView
choc::buffer::ChannelArrayBuffer
Currently supported OS are Linux and MacOS. Both GNU and LLVM stdlib implementation are supported.
To get started first follow the Project Setup
guide below, then you can read
the User Guide to get familiar with DAVE.
If you want to develop/experiment with dave, follow the Development Guide
Project setup
Requirements
DAVE requires a python >= 3.10 installation with working venv
and tkinter
modules
Installation
The simplest way to install dave and its bindings is to use the install script :
# via the install script
## using curl
bash -c "$(curl -fsSL https://raw.githubusercontent.com/maxmarsc/dave/refs/heads/main/dave/assets/dave_install.sh)"
## using wget
bash -c "$(wget https://raw.githubusercontent.com/maxmarsc/dave/refs/heads/main/dave/assets/dave_install.sh -O -)"
It will install the python dave modules, the debuggers bindings, and the dave
cli tool to help manage your dave installation.
MacOS : On MacOS distribution you might need to install tkinter using homebrew/macports. Python : Python support is limited and requires a different installation method, see the section below
After binding, starts your debugger, you should see the following message :
[dave] Successfully loaded
And the dave debugger commands should be available :
dave show
dave delete
dave freeze
dave concat
See the User Guide on how to use these.
Update
If you want/need to update dave, you can use the dave
cli tool :
# Update dave
dave update
Uninstallation
If you just want to remove the dave bindings run
dave unbind
If you want to completely remove dave from your system run
dave uninstall
Python support
Python support is limited because both python debuggers I have investigated (pdb and debugpy) does not provide an API complete enough to provide full DAVE support. Most importantly Python debugger does not provide automatic update on breakpoints.
To install DAVE for python, install the davext
pypi package in your environment.
Only 1D and 2D numpy tensors are supported, and you need to manually import dave from the debugger CLI, like this:
import dave.debuggers.pdb as pydave
Then you can use the following commands :
pydave.show
analog todave show
pydave.concat
analog todave concat
pydave.freeze
analog todave freeze
pydave.delete
analog todave delete
pydave.update
which forces the update of the containers data
Milestones
- Freeze
- Concatenate
- Save to disc
- Add tooltip hover for action buttons
- out-of-scope detection
- react to step over/up/down
- Mid/Side
- Interleaved
- Easy installation
- improve logging system
- document commands
- add license
- llvm libc/libstd (need to be tested)
- JUCE
- GSL
- Add samplerate support
- Add a way for the user to add custom container support
- Add command to help diagnostic type for custom container support
- Add argument parsing to
show
(view, layout, settings...) - Add versionning selection to dave_install
- Add FISH shell support
- command aliases
- minimize call to render functions
- CHOC
- Eigen
- Document the code
- find testing strategy
- Restart dave process
- Improve GUI proportions
- container deletion (GUI + delete command)
- LLDB
Troubleshooting
Set logging level
When running into an issue, please activate the debug log level, by setting
the env variable DAVE_LOGLEVEL
to debug
before starting the debugger.
LLDB on Ubuntu 22.04
When starting lldb on ubuntu 22.04 you might get this error :
Traceback (most recent call last):
File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'lldb'
This is a known bug. In the meantime you can fix these using a symbolic link :
sudo mkdir -p /usr/lib/local/lib/python3.10/
sudo ln -s /usr/lib/llvm-${VERSION}/lib/python3.10/dist-packages /usr/lib/local/lib/python3.10/dist-packages
LLDB init
To always load the .lldbinit file in the current working directory, add the following command to ~/.lldbinit:
settings set target.load-cwd-lldbinit true
LLDB python module linting
for venv
touch venv/lib64/python3.10/site-packages/lldb.pth
echo "/usr/lib/llvm-${VERSION}/lib/python3.10/dist-packages/" > venv/lib64/python3.10/site-packages/lldb.pth
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