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obs-studio/libobs/CMakeLists.txt
jp9000 d2934eca7e libobs: Implement audio monitoring 
Adds functions to turn on audio monitoring to allow the user to hear
playback of an audio source over the user's speaker.  It can be set to
turn off monitoring and only output to stream, or it can be set to
output only to monitoring, or it can be set to both.

On windows, audio monitoring uses WASAPI.  Windows also is capable of
syncing the audio to the video according to when the video frame itself
was played.

On mac, it uses AudioQueue.

On linux, it's not currently implemented and won't do anything (to be
implemented).
2017-02-06 11:44:02 -08:00

436 lines
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CMake
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project(libobs)
find_package(Threads REQUIRED)
find_package(FFmpeg REQUIRED
COMPONENTS avformat avutil swscale swresample
OPTIONAL_COMPONENTS avcodec)
include_directories(${FFMPEG_INCLUDE_DIRS})
if (NOT "${FFMPEG_AVCODEC_LIBRARIES}" STREQUAL "")
list(REMOVE_ITEM FFMPEG_LIBRARIES ${FFMPEG_AVCODEC_LIBRARIES})
endif()
if(UNIX)
find_package(DBus QUIET)
if (NOT APPLE)
find_package(X11_XCB REQUIRED)
endif()
else()
set(HAVE_DBUS "0")
endif()
find_package(ImageMagick QUIET COMPONENTS MagickCore)
if(NOT ImageMagick_MagickCore_FOUND AND NOT FFMPEG_AVCODEC_FOUND)
message(FATAL_ERROR "Either MagickCore or Libavcodec is required, but both were not found")
endif()
option(LIBOBS_PREFER_IMAGEMAGICK "Prefer ImageMagick over ffmpeg for image loading" OFF)
if(NOT FFMPEG_AVCODEC_FOUND OR (ImageMagick_MagickCore_FOUND AND LIBOBS_PREFER_IMAGEMAGICK))
message(STATUS "Using ImageMagick for image loading in libobs")
set(libobs_image_loading_SOURCES
graphics/graphics-magick.c)
set(libobs_image_loading_LIBRARIES
${ImageMagick_LIBRARIES})
include_directories(${ImageMagick_INCLUDE_DIRS})
else()
message(STATUS "Using libavcodec for image loading in libobs")
set(libobs_image_loading_SOURCES
graphics/graphics-ffmpeg.c)
set(libobs_image_loading_LIBRARIES
${FFMPEG_AVCODEC_LIBRARIES})
endif()
find_package(ZLIB REQUIRED)
include_directories(SYSTEM ${ZLIB_INCLUDE_DIR})
add_definitions(-DLIBOBS_EXPORTS)
include_directories(${OBS_JANSSON_INCLUDE_DIRS})
if(WIN32)
set(libobs_PLATFORM_SOURCES
obs-win-crash-handler.c
obs-windows.c
util/threading-windows.c
util/pipe-windows.c
util/platform-windows.c)
set(libobs_PLATFORM_HEADERS
util/threading-windows.h
util/windows/win-version.h
util/windows/ComPtr.hpp
util/windows/CoTaskMemPtr.hpp
util/windows/HRError.hpp
util/windows/WinHandle.hpp)
set(libobs_audio_monitoring_SOURCES
audio-monitoring/win32/wasapi-output.c
audio-monitoring/win32/wasapi-enum-devices.c
)
set(libobs_audio_monitoring_HEADERS
audio-monitoring/win32/wasapi-output.h
)
set(libobs_PLATFORM_DEPS winmm)
if(MSVC)
set(libobs_PLATFORM_DEPS
${libobs_PLATFORM_DEPS}
w32-pthreads)
endif()
elseif(APPLE)
set(libobs_PLATFORM_SOURCES
obs-cocoa.c
util/threading-posix.c
util/pipe-posix.c
util/platform-nix.c
util/platform-cocoa.m)
set(libobs_PLATFORM_HEADERS
util/threading-posix.h)
set(libobs_audio_monitoring_SOURCES
audio-monitoring/osx/coreaudio-enum-devices.c
audio-monitoring/osx/coreaudio-output.c
)
set(libobs_audio_monitoring_HEADERS
audio-monitoring/osx/mac-helpers.h
)
set_source_files_properties(${libobs_PLATFORM_SOURCES}
PROPERTIES
LANGUAGE C
COMPILE_FLAGS "-fobjc-arc")
find_library(COCOA Cocoa)
mark_as_advanced(COCOA)
include_directories(${COCOA})
find_library(COREAUDIO CoreAudio)
mark_as_advanced(COREAUDIO)
include_directories(${COREAUDIO})
find_library(AUDIOTOOLBOX AudioToolbox)
mark_as_advanced(AUDIOTOOLBOX)
include_directories(${AUDIOTOOLBOX})
find_library(AUDIOUNIT AudioUnit)
mark_as_advanced(AUDIOUNIT)
include_directories(${AUDIOUNIT})
find_library(APPKIT AppKit)
mark_as_advanced(APPKIT)
include_directories(${APPKIT})
find_library(IOKIT IOKit)
mark_as_advanced(IOKIT)
include_directories(${IOKIT})
find_library(CARBON Carbon)
mark_as_advanced(CARBON)
include_directories(${CARBON})
set(libobs_PLATFORM_DEPS
${COCOA}
${COREAUDIO}
${AUDIOUNIT}
${AUDIOTOOLBOX}
${APPKIT}
${IOKIT}
${CARBON})
elseif(UNIX)
set(libobs_PLATFORM_SOURCES
obs-nix.c
util/threading-posix.c
util/pipe-posix.c
util/platform-nix.c)
set(libobs_PLATFORM_HEADERS
util/threading-posix.h)
set(libobs_audio_monitoring_SOURCES
audio-monitoring/null/null-audio-monitoring.c
)
if(DBUS_FOUND)
set(libobs_PLATFORM_SOURCES ${libobs_PLATFORM_SOURCES}
util/platform-nix-dbus.c)
include_directories(${DBUS_INCLUDE_DIRS})
set(libobs_PLATFORM_DEPS
${libobs_PLATFORM_DEPS}
${DBUS_LIBRARIES})
endif()
include_directories(
${X11_XCB_INCLUDE_DIRS})
add_definitions(
${X11_XCB_DEFINITIONS})
set(libobs_PLATFORM_DEPS
${libobs_PLATFORM_DEPS}
${X11_XCB_LIBRARIES})
if(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
# use the sysinfo compatibility library on bsd
find_package(Libsysinfo REQUIRED)
include_directories(${SYSINFO_INCLUDE_DIRS})
set(libobs_PLATFORM_DEPS
${libobs_PLATFORM_DEPS}
${SYSINFO_LIBRARIES})
endif()
endif()
if(MSVC)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /EHc-")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHc-")
endif()
configure_file(
"${CMAKE_CURRENT_SOURCE_DIR}/obsconfig.h.in"
"${CMAKE_BINARY_DIR}/config/obsconfig.h")
set(libobs_config_HEADERS
"${CMAKE_BINARY_DIR}/config/obsconfig.h"
obs-config.h)
set(libobs_callback_SOURCES
callback/calldata.c
callback/decl.c
callback/signal.c
callback/proc.c)
set(libobs_callback_HEADERS
callback/calldata.h
callback/decl.h
callback/proc.h
callback/signal.h)
set(libobs_graphics_SOURCES
${libobs_image_loading_SOURCES}
graphics/quat.c
graphics/effect-parser.c
graphics/axisang.c
graphics/vec4.c
graphics/vec2.c
graphics/libnsgif/libnsgif.c
graphics/texture-render.c
graphics/image-file.c
graphics/bounds.c
graphics/matrix3.c
graphics/matrix4.c
graphics/vec3.c
graphics/graphics.c
graphics/shader-parser.c
graphics/plane.c
graphics/effect.c
graphics/math-extra.c
graphics/graphics-imports.c)
set(libobs_graphics_HEADERS
graphics/plane.h
graphics/quat.h
graphics/input.h
graphics/axisang.h
graphics/shader-parser.h
graphics/effect.h
graphics/math-defs.h
graphics/matrix4.h
graphics/graphics.h
graphics/graphics-internal.h
graphics/libnsgif/libnsgif.h
graphics/device-exports.h
graphics/image-file.h
graphics/vec2.h
graphics/vec4.h
graphics/matrix3.h
graphics/vec3.h
graphics/math-extra.h
graphics/bounds.h
graphics/effect-parser.h)
set(libobs_mediaio_SOURCES
media-io/video-io.c
media-io/video-fourcc.c
media-io/video-matrices.c
media-io/audio-io.c
media-io/video-frame.c
media-io/format-conversion.c
media-io/audio-resampler-ffmpeg.c
media-io/video-scaler-ffmpeg.c
media-io/media-remux.c)
set(libobs_mediaio_HEADERS
media-io/media-io-defs.h
media-io/video-io.h
media-io/audio-io.h
media-io/audio-math.h
media-io/video-frame.h
media-io/format-conversion.h
media-io/audio-resampler.h
media-io/video-scaler.h
media-io/media-remux.h
media-io/frame-rate.h)
set(libobs_util_SOURCES
util/array-serializer.c
util/file-serializer.c
util/base.c
util/platform.c
util/cf-lexer.c
util/bmem.c
util/config-file.c
util/lexer.c
util/dstr.c
util/utf8.c
util/crc32.c
util/text-lookup.c
util/cf-parser.c
util/profiler.c)
set(libobs_util_HEADERS
util/array-serializer.h
util/file-serializer.h
util/utf8.h
util/crc32.h
util/base.h
util/text-lookup.h
util/vc/vc_inttypes.h
util/vc/vc_stdbool.h
util/vc/vc_stdint.h
util/bmem.h
util/c99defs.h
util/util_uint128.h
util/cf-parser.h
util/threading.h
util/pipe.h
util/cf-lexer.h
util/darray.h
util/circlebuf.h
util/dstr.h
util/serializer.h
util/config-file.h
util/lexer.h
util/platform.h
util/profiler.h
util/profiler.hpp)
set(libobs_libobs_SOURCES
${libobs_PLATFORM_SOURCES}
obs-audio-controls.c
obs-avc.c
obs-encoder.c
obs-service.c
obs-source.c
obs-source-deinterlace.c
obs-source-transition.c
obs-output.c
obs-output-delay.c
obs.c
obs-properties.c
obs-data.c
obs-hotkey.c
obs-hotkey-name-map.c
obs-module.c
obs-display.c
obs-view.c
obs-scene.c
obs-audio.c
obs-video.c)
set(libobs_libobs_HEADERS
${libobs_PLATFORM_HEADERS}
obs-audio-controls.h
obs-defs.h
obs-avc.h
obs-encoder.h
obs-service.h
obs-internal.h
obs.h
obs-ui.h
obs-properties.h
obs-data.h
obs-interaction.h
obs-hotkey.h
obs-hotkeys.h
obs-module.h
obs-scene.h
obs-source.h
obs-output.h
obs-ffmpeg-compat.h
obs.hpp)
set(libobs_SOURCES
${libobs_callback_SOURCES}
${libobs_graphics_SOURCES}
${libobs_mediaio_SOURCES}
${libobs_util_SOURCES}
${libobs_libobs_SOURCES})
set(libobs_HEADERS
${libobs_config_HEADERS}
${libobs_callback_HEADERS}
${libobs_graphics_HEADERS}
${libobs_mediaio_HEADERS}
${libobs_util_HEADERS}
${libobs_libobs_HEADERS}
${libobs_audio_monitoring_SOURCES}
${libobs_audio_monitoring_HEADERS}
)
source_group("callback\\Source Files" FILES ${libobs_callback_SOURCES})
source_group("callback\\Header Files" FILES ${libobs_callback_HEADERS})
source_group("graphics\\Source Files" FILES ${libobs_graphics_SOURCES})
source_group("graphics\\Header Files" FILES ${libobs_graphics_HEADERS})
source_group("libobs\\Source Files" FILES ${libobs_libobs_SOURCES})
source_group("libobs\\Header Files" FILES ${libobs_libobs_HEADERS})
source_group("media-io\\Source Files" FILES ${libobs_mediaio_SOURCES})
source_group("media-io\\Header Files" FILES ${libobs_mediaio_HEADERS})
source_group("util\\Source Files" FILES ${libobs_util_SOURCES})
source_group("util\\Header Files" FILES ${libobs_util_HEADERS})
source_group("audio-monitoring\\Source Files" FILES ${libobs_audio_monitoring_SOURCES})
source_group("audio-monitoring\\Header Files" FILES ${libobs_audio_monitoring_HEADERS})
if(BUILD_CAPTIONS)
include_directories(${CMAKE_SOURCE_DIR}/deps/libcaption)
set(libobs_PLATFORM_DEPS
${libobs_PLATFORM_DEPS}
caption)
endif()
add_library(libobs SHARED ${libobs_SOURCES} ${libobs_HEADERS})
set_target_properties(libobs PROPERTIES
OUTPUT_NAME obs
VERSION "0"
SOVERSION "0")
target_compile_definitions(libobs
PUBLIC
HAVE_OBSCONFIG_H)
if(NOT MSVC)
target_compile_options(libobs
PUBLIC
-mmmx
-msse
-msse2)
endif()
target_compile_options(libobs
PUBLIC
"${THREADS_DEFINITIONS}")
target_include_directories(libobs
PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
"$<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/config>"
"$<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}>")
target_link_libraries(libobs
PRIVATE
${libobs_PLATFORM_DEPS}
${libobs_image_loading_LIBRARIES}
${OBS_JANSSON_IMPORT}
${FFMPEG_LIBRARIES}
${ZLIB_LIBRARIES}
PUBLIC
${THREADS_LIBRARIES})
install_obs_core(libobs EXPORT LibObs)
install_obs_data(libobs data libobs)
install_obs_headers(${libobs_HEADERS})
obs_install_additional(libobs)
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