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How to record and play sound simultaneously | Qt Forum
https://forum.qt.io/topic/10399/how-to-record-and-play-sound-simultaneously#:~:text=%40sayem.bd%3A%20A%20library%20called%20%22portaudio%22%20will%20be%20the,library%20and%20use%20it%20in%20your%20Qt%20project.
mingw - c++ Using PortAudio in Windows with Qt - Stack ...
https://stackoverflow.com/questions/9284944/c-using-portaudio-in-windows-with-qt
I have managed to compile PortAudio on windows using MSYS. this process has created 2 files: libportaudio-2.dll and libportaudio.dll.a. Now i want to link the libraries in QtCreator, but i can not since it requires a .lib file. If anybody have experience of compiling and using libraries with MSYS under windows, your input is appreciated.
GitHub - rluedek/qt-port-synth: Basic synthesizer using ...
https://github.com/rluedek/qt-port-synth
qt-port-synth. A basic polyphonic two oscillators synthesizer using PortAudio, RtMidi and Qt5. The sysnthesis and dsp code is heavily inspired by @Javidx9: Go visit his video tutorial on how to create a basic synth: https://www.youtube.com/watch?v=tgamhuQnOkM.
Real-time Audio Processing with Qt | Qt Forum
https://forum.qt.io/topic/7506/real-time-audio-processing-with-qt
qint64 AudioMixer::readData (char *data, qint64 len) {. memcpy (data, myInputData, len); return len; } qint64 AudioMixer::writeData (const char *data, qint64 len) {. memcpy (myInputData, data, len); return len; } This does pass the incoming audio to the output as I was hoping to achieve, but it is very choppy.
PortAudio - an Open-Source Cross-Platform Audio API
Many applications use PortAudio for Audio I/O. PortAudio provides a very simple API for recording and/or playing sound using a simple callback function or a blocking read/write interface. Example programs are included that play sine waves, process audio input (guitar fuzz), record and playback audio, list available audio devices, etc.
PortAudio: PortAudio Tutorials
http://portaudio.com/docs/v19-doxydocs/tutorial_start.html
See PortAudio on Windows, OS X or Linux via. CMake. Many platforms with GCC/make can use the simple ./configure && make combination and simply use the resulting libraries in their code. Programming with PortAudio. Below are the steps to writing a PortAudio application using the callback technique: Write a callback function that will be called ...
Using PortAudio in C++ Question
https://portaudio.music.columbia.narkive.com/2ZzQEG6B/using-portaudio-in-c-question
Subject: Re: [Portaudio] Using PortAudio in C++ Question Hi Chris At a minimum you need to use a queued connection if you want to emit a Qt signal accross threads (use extra parameters to connect()) but I'm not sure whether Qt supports sending signals from non-Qt threads at all (obviously the PA callback isn't a Qt thread).
PortAudio: Building Portaudio for Windows with ASIO ...
http://portaudio.com/docs/v19-doxydocs/compile_windows_asio_msvc.html
Portaudio Windows ASIO with MSVC. This tutorial describes how to build PortAudio with ASIO support using MSVC from scratch, without an existing Visual Studio project.For instructions for building PortAudio (including ASIO support) using the bundled Visual Studio project file see the compiling instructions for Building PortAudio for Windows using Microsoft Visual Studio.
Error -9996 when opening microphone in Qt application ...
https://github.com/PortAudio/portaudio/issues/607
Portaudio is running on Windows 10 and using WASAPI as backend in exclusive mode. The code (portaudio and additional logic aroung it) is compiled as a DLL which is used inside a Qt application. When the very same DLL is used outside the Qt environment opening the microphone using Pa_OpenStream on the very same PC works.
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