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Add early PipeWire backend.

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This is incomplete.
This commit is contained in:
David Reid
2025-07-15 06:59:19 +10:00
parent fd37406086
commit ebec10b068
4 changed files with 1093 additions and 0 deletions
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CMakeLists.txt
+45
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@@ -27,6 +27,7 @@ option(MINIAUDIO_NO_OPENSL "Disable the OpenSL|ES backend"
option(MINIAUDIO_NO_WEBAUDIO "Disable the Web Audio backend" OFF)
option(MINIAUDIO_NO_CUSTOM "Disable support for custom backends" OFF)
option(MINIAUDIO_NO_NULL "Disable the null backend" OFF)
option(MINIAUDIO_NO_PIPEWIRE "Disable the PipeWire backend" OFF)
option(MINIAUDIO_ENABLE_ONLY_SPECIFIC_BACKENDS "Only enable specific backends. Backends can be enabled with MINIAUDIO_ENABLE_[BACKEND]." OFF)
option(MINIAUDIO_ENABLE_WASAPI "Enable the WASAPI backend" OFF)
option(MINIAUDIO_ENABLE_DSOUND "Enable the DirectSound backend" OFF)
@@ -155,6 +156,9 @@ endif()
if(MINIAUDIO_NO_NULL)
list(APPEND COMPILE_DEFINES MA_NO_NULL)
endif()
if(MINIAUDIO_NO_PIPEWIRE)
list(APPEND COMPILE_DEFINES MA_NO_PIPEWIRE)
endif()
if(MINIAUDIO_ENABLE_ONLY_SPECIFIC_BACKENDS)
if(MINIAUDIO_ENABLE_WASAPI)
list(APPEND COMPILE_DEFINES MA_ENABLE_WASAPI)
@@ -442,6 +446,20 @@ else()
message(STATUS "SteamAudio not found. miniaudio_engine_steamaudio will be excluded.")
endif()
# PipeWire. For this we care only about SPA.
if(NOT MINIAUDIO_NO_PIPEWIRE)
find_path(SPA_INCLUDE_DIR NAMES spa/param/audio/format-utils.h HINTS
/usr/include/spa-0.2
)
if(SPA_INCLUDE_DIR)
message(STATUS "Found SPA include directory: ${SPA_INCLUDE_DIR}")
else()
message(STATUS "SPA include directory not found. PipeWire will be excluded.")
set(MINIAUDIO_NO_PIPEWIRE ON)
list(APPEND COMPILE_DEFINES MA_NO_PIPEWIRE)
endif()
endif()
# Link libraries
set(COMMON_LINK_LIBRARIES)
@@ -472,6 +490,24 @@ target_compile_options (miniaudio PRIVATE ${COMPILE_OPTIONS})
target_compile_definitions(miniaudio PRIVATE ${COMPILE_DEFINES})
# Extra Backends
if(NOT MINIAUDIO_NO_PIPEWIRE)
add_library(miniaudio_pipewire STATIC
extras/backends/pipewire/miniaudio_pipewire.c
extras/backends/pipewire/miniaudio_pipewire.h
)
list(APPEND LIBS_TO_INSTALL miniaudio_pipewire)
install(FILES extras/backends/pipewire/miniaudio_pipewire.h DESTINATION include/miniaudio/extras/backends/pipewire)
target_include_directories(miniaudio_pipewire PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/extras/backends/pipewire)
target_compile_options (miniaudio_pipewire PRIVATE ${COMPILE_OPTIONS})
target_compile_definitions(miniaudio_pipewire PRIVATE ${COMPILE_DEFINES})
target_include_directories(miniaudio_pipewire PRIVATE ${SPA_INCLUDE_DIR})
endif()
# Extra Decoders
add_library(libvorbis_interface INTERFACE)
if(HAS_LIBVORBIS)
if(TARGET vorbisfile)
@@ -590,6 +626,15 @@ if(MINIAUDIO_BUILD_TESTS)
add_miniaudio_test(miniaudio_generation generation/generation.c)
add_test(NAME miniaudio_generation COMMAND miniaudio_generation)
if(NOT MINIAUDIO_NO_PIPEWIRE)
add_executable (miniaudio_pipewire_test extras/backends/pipewire/miniaudio_pipewire_test.c)
target_compile_options (miniaudio_pipewire_test PRIVATE ${COMPILE_OPTIONS})
target_compile_definitions(miniaudio_pipewire_test PRIVATE ${COMPILE_DEFINES})
target_include_directories(miniaudio_pipewire_test PRIVATE ${SPA_INCLUDE_DIR})
target_link_libraries (miniaudio_pipewire_test PRIVATE ${COMMON_LINK_LIBRARIES})
add_test(NAME miniaudio_pipewire_test COMMAND miniaudio_pipewire_test --auto)
endif()
endif()
# Examples