mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-09-20 13:08:50 +02:00
8dcbd77bf2
This adds a new library of audio control functions mainly for the use in GUIS. For now it includes an implementation of a software fader that can be attached to sources in order to easily control the volume. The fader can translate between fader-position, volume in dB and multiplier with a configurable mapping function. Currently only a cubic mapping (mul = fader_pos ^ 3) is included, but different mappings can easily be added. Due to libobs saving/restoring the source volume from the multiplier, the volume levels for existing source will stay the same, and live changing of the mapping will work without changing the source volume.
294 lines
6.6 KiB
CMake
294 lines
6.6 KiB
CMake
project(libobs)
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find_package(Threads REQUIRED)
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find_package(FFMpeg REQUIRED
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COMPONENTS avformat avutil swscale swresample
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OPTIONAL_COMPONENTS avcodec)
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include_directories(${FFMPEG_INCLUDE_DIRS})
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list(REMOVE_ITEM FFMPEG_LIBRARIES ${FFMPEG_AVCODEC_LIBRARIES})
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find_package(ImageMagick QUIET COMPONENTS MagickCore)
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if(NOT ImageMagick_MagickCore_FOUND AND NOT FFMPEG_AVCODEC_FOUND)
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message(FATAL_ERROR "Either MagickCore or Libavcodec is required, but both were not found")
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endif()
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option(LIBOBS_PREFER_IMAGEMAGICK "Prefer ImageMagick over ffmpeg for image loading" ON)
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if(NOT FFMPEG_AVCODEC_FOUND OR (ImageMagick_MagickCore_FOUND AND LIBOBS_PREFER_IMAGEMAGICK))
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message(STATUS "Using ImageMagick for image loading in libobs")
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set(libobs_image_loading_SOURCES
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graphics/graphics-magick.c)
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set(libobs_image_loading_LIBRARIES
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${ImageMagick_LIBRARIES})
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include_directories(${ImageMagick_INCLUDE_DIRS})
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else()
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message(STATUS "Using libavcodec for image loading in libobs")
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set(libobs_image_loading_SOURCES
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graphics/graphics-ffmpeg.c)
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set(libobs_image_loading_LIBRARIES
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${FFMPEG_AVCODEC_LIBRARIES})
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endif()
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add_definitions(-DLIBOBS_EXPORTS)
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include_directories(${OBS_JANSSON_INCLUDE_DIRS})
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if(WIN32)
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set(libobs_PLATFORM_SOURCES
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obs-windows.c
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util/threading-windows.c
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util/platform-windows.c)
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set(libobs_PLATFORM_DEPS
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w32-pthreads
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winmm.lib)
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elseif(APPLE)
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set(libobs_PLATFORM_SOURCES
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obs-cocoa.c
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util/threading-posix.c
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util/platform-nix.c
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util/platform-cocoa.m)
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set_source_files_properties(${libobs_PLATFORM_SOURCES}
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PROPERTIES
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LANGUAGE C
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COMPILE_FLAGS "-fobjc-arc")
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find_library(COCOA Cocoa)
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mark_as_advanced(COCOA)
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include_directories(${COCOA})
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set(libobs_PLATFORM_DEPS
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${COCOA})
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elseif(UNIX)
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set(libobs_PLATFORM_SOURCES
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obs-nix.c
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util/threading-posix.c
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util/platform-nix.c)
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endif()
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if(MSVC)
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /EHc-")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHc-")
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endif()
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configure_file(
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"${CMAKE_CURRENT_SOURCE_DIR}/obsconfig.h.in"
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"${CMAKE_BINARY_DIR}/config/obsconfig.h")
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set(libobs_config_HEADERS
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"${CMAKE_BINARY_DIR}/config/obsconfig.h"
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obs-config.h)
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set(libobs_callback_SOURCES
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callback/calldata.c
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callback/decl.c
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callback/signal.c
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callback/proc.c)
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set(libobs_callback_HEADERS
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callback/calldata.h
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callback/decl.h
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callback/proc.h
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callback/signal.h)
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set(libobs_graphics_SOURCES
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${libobs_image_loading_SOURCES}
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graphics/quat.c
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graphics/effect-parser.c
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graphics/axisang.c
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graphics/vec4.c
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graphics/vec2.c
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graphics/texture-render.c
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graphics/bounds.c
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graphics/matrix3.c
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graphics/matrix4.c
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graphics/vec3.c
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graphics/graphics.c
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graphics/shader-parser.c
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graphics/plane.c
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graphics/effect.c
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graphics/math-extra.c
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graphics/graphics-imports.c)
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set(libobs_graphics_HEADERS
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graphics/plane.h
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graphics/quat.h
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graphics/input.h
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graphics/axisang.h
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graphics/shader-parser.h
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graphics/effect.h
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graphics/math-defs.h
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graphics/matrix4.h
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graphics/graphics.h
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graphics/graphics-internal.h
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graphics/device-exports.h
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graphics/vec2.h
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graphics/vec4.h
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graphics/matrix3.h
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graphics/vec3.h
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graphics/math-extra.h
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graphics/bounds.h
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graphics/effect-parser.h)
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set(libobs_mediaio_SOURCES
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media-io/video-io.c
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media-io/video-fourcc.c
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media-io/video-matrices.c
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media-io/audio-io.c
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media-io/video-frame.c
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media-io/format-conversion.c
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media-io/audio-resampler-ffmpeg.c
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media-io/video-scaler-ffmpeg.c
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media-io/media-remux.c)
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set(libobs_mediaio_HEADERS
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media-io/media-io-defs.h
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media-io/video-io.h
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media-io/audio-io.h
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media-io/video-frame.h
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media-io/format-conversion.h
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media-io/audio-resampler.h
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media-io/video-scaler.h
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media-io/media-remux.h)
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set(libobs_util_SOURCES
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util/array-serializer.c
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util/base.c
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util/platform.c
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util/cf-lexer.c
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util/bmem.c
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util/config-file.c
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util/lexer.c
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util/dstr.c
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util/utf8.c
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util/text-lookup.c
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util/cf-parser.c)
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set(libobs_util_HEADERS
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util/array-serializer.h
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util/utf8.h
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util/base.h
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util/text-lookup.h
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util/vc/vc_inttypes.h
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util/vc/vc_stdbool.h
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util/vc/vc_stdint.h
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util/bmem.h
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util/c99defs.h
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util/cf-parser.h
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util/threading.h
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util/cf-lexer.h
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util/darray.h
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util/circlebuf.h
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util/dstr.h
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util/serializer.h
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util/config-file.h
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util/lexer.h
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util/platform.h)
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set(libobs_libobs_SOURCES
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${libobs_PLATFORM_SOURCES}
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obs-audio-controls.c
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obs-avc.c
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obs-encoder.c
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obs-service.c
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obs-source.c
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obs-output.c
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obs.c
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obs-properties.c
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obs-data.c
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obs-module.c
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obs-display.c
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obs-view.c
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obs-scene.c
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obs-video.c)
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set(libobs_libobs_HEADERS
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obs-audio-controls.h
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obs-defs.h
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obs-avc.h
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obs-encoder.h
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obs-service.h
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obs-internal.h
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obs.h
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obs-ui.h
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obs-properties.h
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obs-data.h
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obs-interaction.h
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obs-module.h
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obs-scene.h
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obs-source.h
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obs-output.h
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obs-ffmpeg-compat.h
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obs.hpp)
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set(libobs_SOURCES
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${libobs_callback_SOURCES}
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${libobs_graphics_SOURCES}
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${libobs_mediaio_SOURCES}
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${libobs_util_SOURCES}
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${libobs_libobs_SOURCES})
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set(libobs_HEADERS
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${libobs_config_HEADERS}
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${libobs_callback_HEADERS}
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${libobs_graphics_HEADERS}
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${libobs_mediaio_HEADERS}
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${libobs_util_HEADERS}
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${libobs_libobs_HEADERS})
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source_group("callback\\Source Files" FILES ${libobs_callback_SOURCES})
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source_group("callback\\Header Files" FILES ${libobs_callback_HEADERS})
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source_group("graphics\\Source Files" FILES ${libobs_graphics_SOURCES})
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source_group("graphics\\Header Files" FILES ${libobs_graphics_HEADERS})
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source_group("libobs\\Source Files" FILES ${libobs_libobs_SOURCES})
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source_group("libobs\\Header Files" FILES ${libobs_libobs_HEADERS})
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source_group("media-io\\Source Files" FILES ${libobs_mediaio_SOURCES})
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source_group("media-io\\Header Files" FILES ${libobs_mediaio_HEADERS})
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source_group("util\\Source Files" FILES ${libobs_util_SOURCES})
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source_group("util\\Header Files" FILES ${libobs_util_HEADERS})
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add_library(libobs SHARED ${libobs_SOURCES} ${libobs_HEADERS})
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set_target_properties(libobs PROPERTIES
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OUTPUT_NAME obs
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VERSION "0"
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SOVERSION "0")
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target_compile_definitions(libobs
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PUBLIC
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HAVE_OBSCONFIG_H)
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if(NOT MSVC)
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target_compile_options(libobs
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PUBLIC
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-mmmx
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-msse
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-msse2)
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endif()
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target_compile_options(libobs
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PUBLIC
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"${THREADS_DEFINITIONS}")
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target_include_directories(libobs
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PUBLIC
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"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
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"$<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/config>"
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"$<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}>")
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target_link_libraries(libobs
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PRIVATE
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${libobs_PLATFORM_DEPS}
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${libobs_image_loading_LIBRARIES}
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${OBS_JANSSON_IMPORT}
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${FFMPEG_LIBRARIES}
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PUBLIC
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${THREADS_LIBRARIES})
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install_obs_core(libobs EXPORT LibObs)
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install_obs_data(libobs data libobs)
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install_obs_headers(${libobs_HEADERS})
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obs_install_additional(libobs)
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