FFmpeg Cmake support for video recording
This commit is contained in:
James Turner
parent
5627b135b4
commit
dd61ad8bd0
@ -100,6 +100,7 @@ option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)
|
||||
option(ENABLE_SIMD "Enable SSE/SSE2 support for compilers" ON)
|
||||
option(ENABLE_SIMD_CODE "Enable SSE/SSE2 support code for compilers" OFF)
|
||||
option(ENABLE_ASAN "Set to ON to build SimGear with LLVM AddressSanitizer (ASan) support" OFF)
|
||||
option(ENABLE_VIDEO_RECORD "Set to ON to build SimGear with video recording" ON)
|
||||
|
||||
if (NOT ENABLE_SIMD AND ENABLE_SIMD_CODE)
|
||||
set(ENABLE_SIMD_CODE OFF)
|
||||
@ -223,6 +224,17 @@ if(ENABLE_GDAL)
|
||||
find_package(GDAL 2.0.0 REQUIRED)
|
||||
endif(ENABLE_GDAL)
|
||||
|
||||
|
||||
if (ENABLE_VIDEO_RECORD)
|
||||
find_package(FFmpeg)
|
||||
if (FFmpeg_FOUND)
|
||||
# set this so it's picked up in simgear_config.h
|
||||
set(SG_FFMPEG 1)
|
||||
else()
|
||||
message(STATUS "Video recording was requested, but required FFmpeg/avcoded libaries not found")
|
||||
endif()
|
||||
endif()
|
||||
|
||||
include(CheckPOSIXFeatures)
|
||||
|
||||
SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
|
||||
|
||||
171
CMakeModules/FindFFmpeg.cmake
Normal file
171
CMakeModules/FindFFmpeg.cmake
Normal file
@ -0,0 +1,171 @@
|
||||
# vim: ts=2 sw=2
|
||||
# - Try to find the required ffmpeg components(default: AVFORMAT, AVUTIL, AVCODEC)
|
||||
#
|
||||
# Once done this will define
|
||||
# FFMPEG_FOUND - System has the all required components.
|
||||
# FFMPEG_INCLUDE_DIRS - Include directory necessary for using the required components headers.
|
||||
# FFMPEG_LIBRARIES - Link these to use the required ffmpeg components.
|
||||
# FFMPEG_DEFINITIONS - Compiler switches required for using the required ffmpeg components.
|
||||
#
|
||||
# For each of the components
|
||||
# - AVCODEC
|
||||
# - AVDEVICE
|
||||
# - AVFORMAT
|
||||
# - AVUTIL
|
||||
# - POSTPROCESS
|
||||
# - SWSCALE
|
||||
# the following variables will be defined:
|
||||
# <component>_FOUND - System has <component>
|
||||
# <component>_INCLUDE_DIRS - Include directory necessary for using the <component> headers
|
||||
# <component>_LIBRARIES - Link these to use <component>
|
||||
# <component>_DEFINITIONS - Compiler switches required for using <component>
|
||||
# <component>_VERSION - The components version
|
||||
#
|
||||
# As the versions of the various FFmpeg components differ for a given release,
|
||||
# and CMake supports only one common version for all components, use the
|
||||
# following to specify required versions for multiple components:
|
||||
#
|
||||
# find_package(FFmpeg 57.48 COMPONENTS AVCODEC)
|
||||
# find_package(FFmpeg 57.40 COMPONENTS AVFORMAT)
|
||||
# find_package(FFmpeg 55.27 COMPONENTS AVUTIL)
|
||||
#
|
||||
# SPDX-FileCopyrightText: 2006 Matthias Kretz <kretz@kde.org>
|
||||
# SPDX-FileCopyrightText: 2008 Alexander Neundorf <neundorf@kde.org>
|
||||
# SPDX-FileCopyrightText: 2011 Michael Jansen <kde@michael-jansen.biz>
|
||||
# SPDX-FileCopyrightText: 2021 Stefan Brüns <stefan.bruens@rwth-aachen.de>
|
||||
# SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
include(FindPackageHandleStandardArgs)
|
||||
|
||||
if (NOT FFmpeg_FIND_COMPONENTS)
|
||||
# The default components were taken from a survey over other FindFFMPEG.cmake files
|
||||
set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL)
|
||||
endif ()
|
||||
|
||||
list(LENGTH FFmpeg_FIND_COMPONENTS _numComponents)
|
||||
if ((${_numComponents} GREATER 1) AND DEFINED ${FFmpeg_FIND_VERSION})
|
||||
message(WARNING "Using a required version in combination with multiple COMPONENTS is not supported")
|
||||
set(_FFmpeg_REQUIRED_VERSION 0)
|
||||
elseif (DEFINED FFmpeg_FIND_VERSION)
|
||||
set(_FFmpeg_REQUIRED_VERSION ${FFmpeg_FIND_VERSION})
|
||||
else ()
|
||||
set(_FFmpeg_REQUIRED_VERSION 0)
|
||||
endif ()
|
||||
set(_FFmpeg_ALL_COMPONENTS AVCODEC AVDEVICE AVFORMAT AVUTIL POSTPROCESS SWSCALE)
|
||||
|
||||
#
|
||||
### Macro: set_component_found
|
||||
#
|
||||
# Marks the given component as found if both *_LIBRARIES AND *_INCLUDE_DIRS is present.
|
||||
#
|
||||
macro(set_component_found _component )
|
||||
if (${_component}_LIBRARIES AND ${_component}_INCLUDE_DIRS)
|
||||
set(${_component}_FOUND TRUE)
|
||||
set(FFmpeg_${_component}_FOUND TRUE)
|
||||
endif ()
|
||||
endmacro()
|
||||
|
||||
#
|
||||
### Macro: find_component
|
||||
#
|
||||
# Checks for the given component by invoking pkgconfig and then looking up the libraries and
|
||||
# include directories.
|
||||
#
|
||||
macro(find_component _component _pkgconfig _library _header)
|
||||
|
||||
if (NOT WIN32)
|
||||
# use pkg-config to get the directories and then use these values
|
||||
# in the FIND_PATH() and FIND_LIBRARY() calls
|
||||
find_package(PkgConfig)
|
||||
if (PKG_CONFIG_FOUND)
|
||||
pkg_check_modules(PC_${_component} QUIET ${_pkgconfig})
|
||||
endif ()
|
||||
endif (NOT WIN32)
|
||||
|
||||
find_path(${_component}_INCLUDE_DIRS ${_header}
|
||||
HINTS
|
||||
${PC_LIB${_component}_INCLUDEDIR}
|
||||
${PC_LIB${_component}_INCLUDE_DIRS}
|
||||
PATH_SUFFIXES
|
||||
ffmpeg
|
||||
)
|
||||
|
||||
find_library(${_component}_LIBRARIES NAMES ${_library}
|
||||
HINTS
|
||||
${PC_LIB${_component}_LIBDIR}
|
||||
${PC_LIB${_component}_LIBRARY_DIRS}
|
||||
)
|
||||
|
||||
set(${_component}_DEFINITIONS ${PC_${_component}_CFLAGS_OTHER} CACHE STRING "The ${_component} CFLAGS.")
|
||||
set(${_component}_VERSION ${PC_${_component}_VERSION} CACHE STRING "The ${_component} version number.")
|
||||
|
||||
set_component_found(${_component})
|
||||
|
||||
mark_as_advanced(
|
||||
${_component}_INCLUDE_DIRS
|
||||
${_component}_LIBRARIES
|
||||
${_component}_DEFINITIONS
|
||||
${_component}_VERSION)
|
||||
|
||||
endmacro()
|
||||
|
||||
# Check for cached results. If there are skip the costly part.
|
||||
if (NOT FFMPEG_LIBRARIES)
|
||||
|
||||
# Check for all possible component.
|
||||
find_component(AVCODEC libavcodec avcodec libavcodec/avcodec.h)
|
||||
find_component(AVFORMAT libavformat avformat libavformat/avformat.h)
|
||||
find_component(AVDEVICE libavdevice avdevice libavdevice/avdevice.h)
|
||||
find_component(AVUTIL libavutil avutil libavutil/avutil.h)
|
||||
find_component(SWSCALE libswscale swscale libswscale/swscale.h)
|
||||
find_component(POSTPROCESS libpostproc postproc libpostproc/postprocess.h)
|
||||
|
||||
# Check if the required components were found and add their stuff to the FFMPEG_* vars.
|
||||
foreach (_component ${_FFmpeg_ALL_COMPONENTS})
|
||||
if (${_component}_FOUND)
|
||||
set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${${_component}_LIBRARIES})
|
||||
set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} ${${_component}_DEFINITIONS})
|
||||
list(APPEND FFMPEG_INCLUDE_DIRS ${${_component}_INCLUDE_DIRS})
|
||||
endif ()
|
||||
endforeach ()
|
||||
|
||||
# Build the include path with duplicates removed.
|
||||
if (FFMPEG_INCLUDE_DIRS)
|
||||
list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS)
|
||||
endif ()
|
||||
|
||||
# cache the vars.
|
||||
set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "The FFmpeg include directories." FORCE)
|
||||
set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE STRING "The FFmpeg libraries." FORCE)
|
||||
set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} CACHE STRING "The FFmpeg cflags." FORCE)
|
||||
|
||||
mark_as_advanced(FFMPEG_INCLUDE_DIRS
|
||||
FFMPEG_LIBRARIES
|
||||
FFMPEG_DEFINITIONS)
|
||||
|
||||
else ()
|
||||
# Set the noncached _FOUND vars for the components.
|
||||
foreach (_component ${_FFmpeg_ALL_COMPONENTS})
|
||||
set_component_found(${_component})
|
||||
endforeach ()
|
||||
endif ()
|
||||
|
||||
# Compile the list of required vars
|
||||
unset(_FFmpeg_REQUIRED_VARS)
|
||||
set(_FFmpeg_FOUND_LIBRARIES "")
|
||||
foreach (_component ${FFmpeg_FIND_COMPONENTS})
|
||||
if (${_component}_FOUND)
|
||||
if (${_component}_VERSION VERSION_LESS _FFmpeg_REQUIRED_VERSION)
|
||||
message(STATUS "${_component}: ${${_component}_VERSION} < ${_FFmpeg_REQUIRED_VERSION}")
|
||||
unset(${_component}_FOUND)
|
||||
endif ()
|
||||
list(APPEND _FFmpeg_FOUND_LIBRARIES ${${_component}_LIBRARIES})
|
||||
endif ()
|
||||
list(APPEND _FFmpeg_REQUIRED_VARS ${_component}_LIBRARIES ${_component}_INCLUDE_DIRS ${_component}_FOUND)
|
||||
endforeach ()
|
||||
list(INSERT _FFmpeg_REQUIRED_VARS 0 _FFmpeg_FOUND_LIBRARIES)
|
||||
|
||||
# Give a nice error message if some of the required vars are missing.
|
||||
find_package_handle_standard_args(FFmpeg
|
||||
REQUIRED_VARS ${_FFmpeg_REQUIRED_VARS}
|
||||
HANDLE_COMPONENTS)
|
||||
@ -170,6 +170,7 @@ if(NOT SIMGEAR_HEADLESS)
|
||||
ZLIB::ZLIB
|
||||
${OPENGL_LIBRARY}
|
||||
${JPEG_LIBRARY}
|
||||
${FFMPEG_LIBRARIES}
|
||||
FGTinyGLTF)
|
||||
|
||||
# ToDo: define an ALIAS target for the sound backend, to get
|
||||
@ -190,6 +191,7 @@ if(NOT SIMGEAR_HEADLESS)
|
||||
|
||||
# only actually needed by canvas/KeyboardEvent.cxx
|
||||
target_include_directories(SimGearScene PRIVATE ${PROJECT_SOURCE_DIR}/3rdparty/utf8/source)
|
||||
target_include_directories(SimGearScene PRIVATE ${FFMPEG_INCLUDE_DIRS})
|
||||
|
||||
install(TARGETS SimGearScene
|
||||
EXPORT SimGearTargets
|
||||
|
||||
@ -1,3 +1,5 @@
|
||||
#include "simgear_config.h"
|
||||
|
||||
#include "video-encoder.hxx"
|
||||
|
||||
#ifdef SG_FFMPEG
|
||||
|
||||
@ -29,3 +29,5 @@
|
||||
#cmakedefine ENABLE_SIMD
|
||||
#cmakedefine ENABLE_SIMD_CODE
|
||||
#cmakedefine ENABLE_GDAL
|
||||
|
||||
#cmakedefine SG_FFMPEG
|
||||
|
||||
Loading…
Reference in New Issue
Block a user