-
Notifications
You must be signed in to change notification settings - Fork 354
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Makes libav an optional alternative to ffmpeg, selected in cmake. The intro movie plays perfectly with this libav code.
- Loading branch information
1 parent
967e562
commit 54e392b
Showing
6 changed files
with
236 additions
and
26 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| # vim: ts=2 sw=2 | ||
| # - Try to find the required libav components(default: AVFORMAT, AVUTIL, AVCODEC) | ||
| # | ||
| # Once done this will define | ||
| # LIBAV_FOUND - System has the all required components. | ||
| # LIBAV_INCLUDE_DIRS - Include directory necessary for using the required components headers. | ||
| # LIBAV_LIBRARIES - Link these to use the required libav components. | ||
| # LIBAV_DEFINITIONS - Compiler switches required for using the required libav components. | ||
| # | ||
| # For each of the components it will additionally set. | ||
| # - AVCODEC | ||
| # - AVDEVICE | ||
| # - AVFORMAT | ||
| # - AVRESAMPLE | ||
| # - 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 | ||
| # | ||
| # Copyright (c) 2006, Matthias Kretz, <kretz@kde.org> | ||
| # Copyright (c) 2008, Alexander Neundorf, <neundorf@kde.org> | ||
| # Copyright (c) 2011, Michael Jansen, <kde@michael-jansen.biz> | ||
| # Copyright (c) 2013,2015 Stephen Baker <baker.stephen.e@gmail.com> | ||
| # | ||
| # Redistribution and use is allowed according to the terms of the BSD license. | ||
| # For details see the accompanying COPYING-CMAKE-SCRIPTS file. | ||
|
|
||
| include(FindPackageHandleStandardArgs) | ||
|
|
||
| # The default components were taken from a survey over other FindLIBAV.cmake files | ||
| if (NOT LibAV_FIND_COMPONENTS) | ||
| set(LibAV_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL) | ||
| endif () | ||
|
|
||
| # | ||
| ### 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) | ||
| # message(STATUS " - ${_component} found.") | ||
| set(${_component}_FOUND TRUE) | ||
| else () | ||
| # message(STATUS " - ${_component} not found.") | ||
| endif () | ||
| endmacro() | ||
|
|
||
| # | ||
| ### Macro: find_component | ||
| # | ||
| # Checks for the given component by invoking pkgconfig and then looking up the libraries and | ||
| # include directories. | ||
| # | ||
| macro(find_component _component _pkgconfig _library _header) | ||
|
|
||
| if (NOT WIN32) | ||
| # use pkg-config to get the directories and then use these values | ||
| # in the FIND_PATH() and FIND_LIBRARY() calls | ||
| find_package(PkgConfig) | ||
| if (PKG_CONFIG_FOUND) | ||
| pkg_check_modules(PC_${_component} ${_pkgconfig}) | ||
| endif () | ||
| endif (NOT WIN32) | ||
|
|
||
| find_path(${_component}_INCLUDE_DIRS ${_header} | ||
| HINTS | ||
| ${PC_LIB${_component}_INCLUDEDIR} | ||
| ${PC_LIB${_component}_INCLUDE_DIRS} | ||
| PATH_SUFFIXES | ||
| libav | ||
| ) | ||
|
|
||
| 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}) | ||
|
|
||
| endmacro() | ||
|
|
||
|
|
||
| # Check for cached results. If there are skip the costly part. | ||
| if (NOT LIBAV_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(AVRESAMPLE libavresample avresample libavresample/avresample.h) | ||
| find_component(AVUTIL libavutil avutil libavutil/avutil.h) | ||
| find_component(SWSCALE libswscale swscale libswscale/swscale.h) | ||
| find_component(POSTPROC libpostproc postproc libpostproc/postprocess.h) | ||
|
|
||
| # Check if the required components were found and add their stuff to the LIBAV_* vars. | ||
| foreach (_component ${LibAV_FIND_COMPONENTS}) | ||
| if (${_component}_FOUND) | ||
| # message(STATUS "Required component ${_component} present.") | ||
| set(LIBAV_LIBRARIES ${LIBAV_LIBRARIES} ${${_component}_LIBRARIES}) | ||
| set(LIBAV_DEFINITIONS ${LIBAV_DEFINITIONS} ${${_component}_DEFINITIONS}) | ||
| list(APPEND LIBAV_INCLUDE_DIRS ${${_component}_INCLUDE_DIRS}) | ||
| else () | ||
| # message(STATUS "Required component ${_component} missing.") | ||
| endif () | ||
| endforeach () | ||
|
|
||
| # Build the include path with duplicates removed. | ||
| if (LIBAV_INCLUDE_DIRS) | ||
| list(REMOVE_DUPLICATES LIBAV_INCLUDE_DIRS) | ||
| endif () | ||
|
|
||
| # cache the vars. | ||
| set(LIBAV_INCLUDE_DIRS ${LIBAV_INCLUDE_DIRS} CACHE STRING "The LibAV include directories." FORCE) | ||
| set(LIBAV_LIBRARIES ${LIBAV_LIBRARIES} CACHE STRING "The LibAV libraries." FORCE) | ||
| set(LIBAV_DEFINITIONS ${LIBAV_DEFINITIONS} CACHE STRING "The LibAV cflags." FORCE) | ||
|
|
||
| mark_as_advanced(LIBAV_INCLUDE_DIRS | ||
| LIBAV_LIBRARIES | ||
| LIBAV_DEFINITIONS) | ||
|
|
||
| endif () | ||
|
|
||
| # Now set the noncached _FOUND vars for the components. | ||
| foreach (_component AVCODEC AVDEVICE AVFORMAT AVRESAMPLE AVUTIL POSTPROCESS SWSCALE) | ||
| set_component_found(${_component}) | ||
| endforeach () | ||
|
|
||
| # Compile the list of required vars | ||
| set(_LibAV_REQUIRED_VARS LIBAV_LIBRARIES LIBAV_INCLUDE_DIRS) | ||
| foreach (_component ${LibAV_FIND_COMPONENTS}) | ||
| list(APPEND _LibAV_REQUIRED_VARS ${_component}_LIBRARIES ${_component}_INCLUDE_DIRS) | ||
| endforeach () | ||
|
|
||
| # Give a nice error message if some of the required vars are missing. | ||
| find_package_handle_standard_args(LibAV DEFAULT_MSG ${_LibAV_REQUIRED_VARS}) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.