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Add System audio loopback on Mac using Screen Capture Kit API #892

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Add System audio loopback on Mac using Screen Capture Kit API #892

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a4d5c72
Support System audio loopback using Screen Capture Kit API
jkarthic Apr 8, 2024
28acd77
ScreenCaptureKit: Add support for callback APIs
jkarthic May 12, 2024
ffcc4f6
Minor fixes/improvements
jkarthic May 20, 2024
cade2ce
Fix the hang issue in ReadStream
jkarthic Jun 4, 2024
fed7a39
Screen Capture Kit : Handle stream stopped error
jkarthic Jun 11, 2024
8b73486
Handle race condition in StopStreamInternal function
jkarthic Sep 8, 2024
75255e3
attempt to fix deadlock in stopping stream
Galkon Sep 11, 2024
ac9c78f
Continuation in our attempt to fix the StopStream hang issue
jkarthic Sep 12, 2024
7349eb7
Add timeouts to waits in OpenStream and StartStream
jkarthic Oct 11, 2024
9596bd0
Replace dispatch_group_wait with CFRunLoopRunInMode to avoid blocking…
jkarthic Oct 12, 2024
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5 changes: 4 additions & 1 deletion .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,7 @@ autom4te.cache/*
# Visual Studio 2017/2019 state folder
.vs/

# Visual Studio CMake build output folder
# Visual Studio CMake build output folder
out/

# Visual Studio CMake settings file
Expand All @@ -54,5 +54,8 @@ CMakeSettings.json
# VSCode
.vscode*

# JetBrains
.idea/

# Common build directories of users and VSCode
build*
18 changes: 18 additions & 0 deletions CMakeLists.txt
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Expand Up @@ -330,6 +330,24 @@ elseif(UNIX)

set(PKGCONFIG_LDFLAGS_PRIVATE
"${PKGCONFIG_LDFLAGS_PRIVATE} -framework CoreAudio -framework AudioToolbox -framework AudioUnit -framework CoreFoundation -framework CoreServices")
if(CMAKE_SYSTEM_VERSION VERSION_GREATER_EQUAL "13.0")
# Add the ScreenCaptureKit framework
find_library(SCREENCAPTUREKIT_FRAMEWORK ScreenCaptureKit)
if(SCREENCAPTUREKIT_FRAMEWORK)
target_sources(PortAudio PRIVATE
src/hostapi/screencapturekit/pa_mac_screencapturekit.m
)
target_link_libraries(PortAudio
PRIVATE
-Wl,-framework,ScreenCaptureKit
-Wl,-framework,CoreMedia
-Wl,-framework,Foundation
)
target_compile_definitions(PortAudio PUBLIC PA_USE_SCREENCAPTUREKIT=1)
set(PKGCONFIG_CFLAGS "${PKGCONFIG_CFLAGS} -DPA_USE_SCREENCAPTUREKIT=1")
set(PKGCONFIG_LDFLAGS_PRIVATE "${PKGCONFIG_LDFLAGS_PRIVATE} -framework ScreenCaptureKit -framework CoreMedia -framework Foundation")
endif()
endif()
else()
# Some BSDs have a reimplementation of alsalib, so do not explicitly check for Linux.
find_package(ALSA)
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3 changes: 2 additions & 1 deletion include/portaudio.h
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Expand Up @@ -291,7 +291,8 @@ typedef enum PaHostApiTypeId
paAudioScienceHPI=14,
paAudioIO=15,
paPulseAudio=16,
paSndio=17
paSndio=17,
paScreenCaptureKit=18,
} PaHostApiTypeId;


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