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1# Distributed under the OSI-approved BSD 3-Clause License.
2#
3#.rst:
4# FindFFMPEG
5# --------
6#
7# Find the FFPMEG libraries
8#
9# Result Variables
10# ^^^^^^^^^^^^^^^^
11#
12# The following variables will be defined:
13#
14# ``FFMPEG_FOUND``
15# True if FFMPEG found on the local system
16#
17# ``FFMPEG_INCLUDE_DIRS``
18# Location of FFMPEG header files
19#
20# ``FFMPEG_LIBRARY_DIRS``
21# Location of FFMPEG libraries
22#
23# ``FFMPEG_LIBRARIES``
24# List of the FFMPEG libraries found
25#
26#
27
28include(FindPackageHandleStandardArgs)
29include(SelectLibraryConfigurations)
30include(CMakeFindDependencyMacro)
31
32if(NOT FFMPEG_FOUND)
33
34# Compute the installation path relative to this file.
35get_filename_component(SEARCH_PATH "${CMAKE_CURRENT_LIST_FILE}" PATH)
36get_filename_component(SEARCH_PATH "${SEARCH_PATH}" PATH)
37get_filename_component(SEARCH_PATH "${SEARCH_PATH}" PATH)
38if(SEARCH_PATH STREQUAL "/")
39 set(SEARCH_PATH "")
40endif()
41
42function(select_library_configurations_from_names)
43 cmake_parse_arguments(_slc "" "BASENAME" "NAMES;NAMES_RELEASE;NAMES_DEBUG" ${ARGN})
44 list(APPEND _slc_NAMES_RELEASE ${_slc_NAMES})
45 list(APPEND _slc_NAMES_DEBUG ${_slc_NAMES})
46 find_library(${_slc_BASENAME}_LIBRARY_RELEASE NAMES ${_slc_NAMES_RELEASE} PATHS ${SEARCH_PATH}/lib/ NO_DEFAULT_PATH)
47 find_library(${_slc_BASENAME}_LIBRARY_DEBUG NAMES ${_slc_NAMES_DEBUG} PATHS ${SEARCH_PATH}/debug/lib/ NO_DEFAULT_PATH)
48 select_library_configurations(${_slc_BASENAME})
49 set(${_slc_BASENAME}_LIBRARIES ${${_slc_BASENAME}_LIBRARIES} PARENT_SCOPE)
50endfunction()
51
52function(select_library_configurations_from_targets)
53 cmake_parse_arguments(_slc "" "BASENAME" "TARGETS" ${ARGN})
54 foreach(_target ${_slc_TARGETS})
55 get_target_property(_rel ${_target} IMPORTED_LOCATION_RELEASE)
56 get_target_property(_dbg ${_target} IMPORTED_LOCATION_DEBUG)
57 get_target_property(_deps ${_target} INTERFACE_LINK_LIBRARIES)
58 list(APPEND ${_slc_BASENAME}_LIBRARY_RELEASE ${_rel})
59 list(APPEND ${_slc_BASENAME}_LIBRARY_DEBUG ${_dbg})
60 foreach(_dep ${_deps})
61 if(TARGET ${_dep})
62 get_target_property(_dep_rel ${_dep} IMPORTED_LOCATION_RELEASE)
63 get_target_property(_dep_dbg ${_dep} IMPORTED_LOCATION_DEBUG)
64 if(_dep_rel MATCHES _dep_rel-NOTFOUND)
65 set(_dep_rel ${_dep_dbg})
66 elseif(_dep_dbg MATCHES _dep_dbg-NOTFOUND)
67 set(_dep_dbg ${_dep_rel})
68 endif()
69 list(APPEND ${_slc_BASENAME}_LIBRARY_RELEASE ${_dep_rel})
70 list(APPEND ${_slc_BASENAME}_LIBRARY_DEBUG ${_dep_dbg})
71 elseif(NOT ${_dep} MATCHES _deps-NOTFOUND)
72 if(${_dep} MATCHES ::)
73 #TODO Handle targets contained in cmake generator expressions
74 message(STATUS Unhandled dependency ${_slc_BASENAME}: ${_dep})
75 else()
76 list(APPEND ${_slc_BASENAME}_DEP_LIBRARIES ${_dep})
77 endif()
78 endif()
79 endforeach()
80 endforeach()
81 select_library_configurations(${_slc_BASENAME})
82 list(APPEND ${_slc_BASENAME}_LIBRARIES ${${_slc_BASENAME}_DEP_LIBRARIES})
83 set(${_slc_BASENAME}_LIBRARIES ${${_slc_BASENAME}_LIBRARIES} PARENT_SCOPE)
84endfunction()
85
86# for finding system libraries (e.g. Apple framework libraries)
87function(find_platform_dependent_libraries)
88 cmake_parse_arguments(_fpd "" "" "NAMES" ${ARGN})
89 foreach(_name ${_fpd_NAMES})
90 find_library(${_name}_LIBRARY ${_name} REQUIRED)
91 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${${_name}_LIBRARY})
92 endforeach()
93 set(FFMPEG_PLATFORM_DEPENDENT_LIBS ${FFMPEG_PLATFORM_DEPENDENT_LIBS} PARENT_SCOPE)
94endfunction()
95
96# for finding system libraries that may not always be available
97function(find_platform_dependent_optional_libraries)
98 cmake_parse_arguments(_fpdo "" "" "NAMES" ${ARGN})
99 foreach(_name ${_fpdo_NAMES})
100 find_library(${_name}_LIBRARY ${_name})
101 if(NOT ${_name}_LIBRARY MATCHES ${_name}_LIBRARY-NOTFOUND)
102 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${${_name}_LIBRARY})
103 endif()
104 endforeach()
105 set(FFMPEG_PLATFORM_DEPENDENT_LIBS ${FFMPEG_PLATFORM_DEPENDENT_LIBS} PARENT_SCOPE)
106endfunction()
107
108set(FFMPEG_VERSION "@FFMPEG_VERSION@")
109
110find_dependency(Threads)
111if(UNIX)
112 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS -pthread)
113endif()
114
115if(@ENABLE_ASS@)
116 select_library_configurations_from_names(BASENAME ASS NAMES ass libass)
117 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${ASS_LIBRARIES})
118 if(NOT @ENABLE_FREETYPE@)
119 find_dependency(Freetype)
120 select_library_configurations_from_targets(BASENAME freetype TARGETS Freetype::Freetype)
121 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${freetype_LIBRARIES})
122 endif()
123 if(NOT @ENABLE_FRIBIDI@)
124 select_library_configurations_from_names(BASENAME FRIBIDI NAMES fribidi libfribidi)
125 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${FRIBIDI_LIBRARIES})
126 endif()
127 select_library_configurations_from_names(BASENAME HARFBUZZ NAMES harfbuzz libharfbuzz)
128 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${HARFBUZZ_LIBRARIES})
129endif()
130
131if(@ENABLE_BZIP2@)
132 find_dependency(BZip2)
133 select_library_configurations_from_targets(BASENAME BZip2 TARGETS BZip2::BZip2)
134 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${BZip2_LIBRARIES})
135endif()
136
137if(@ENABLE_DAV1D@)
138 select_library_configurations_from_names(BASENAME DAV1D NAMES dav1d libdav1d)
139 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${DAV1D_LIBRARIES})
140 if(UNIX)
141 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS dl)
142 endif()
143endif()
144
145if(@ENABLE_ICONV@)
146 find_dependency(Iconv)
147 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${Iconv_LIBRARIES})
148endif()
149
150if(@ENABLE_ILBC@)
151 select_library_configurations_from_names(BASENAME ILBC NAMES ilbc libilbc)
152 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${ILBC_LIBRARIES})
153endif()
154
155if(@ENABLE_FDKAAC@)
156 select_library_configurations_from_names(BASENAME FDK NAMES fdk-aac libfdk-aac)
157 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${FDK_LIBRARIES})
158endif()
159
160if(@ENABLE_FONTCONFIG@)
161 find_dependency(Fontconfig)
162 select_library_configurations_from_targets(BASENAME fontconfig TARGETS Fontconfig::Fontconfig)
163 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${fontconfig_LIBRARIES})
164endif()
165
166if(@ENABLE_FREETYPE@)
167 find_dependency(Freetype)
168 select_library_configurations_from_targets(BASENAME freetype TARGETS Freetype::Freetype)
169 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${freetype_LIBRARIES})
170endif()
171
172if(@ENABLE_FRIBIDI@)
173 select_library_configurations_from_names(BASENAME FRIBIDI NAMES fribidi libfribidi)
174 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${FRIBIDI_LIBRARIES})
175endif()
176
177if(@ENABLE_LZMA@)
178 find_dependency(LibLZMA)
179 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${LibLZMA_LIBRARIES})
180endif()
181
182if(@ENABLE_LAME@)
183 find_dependency(mp3lame)
184 select_library_configurations_from_targets(BASENAME mp3lame TARGETS mp3lame::mp3lame)
185 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${mp3lame_LIBRARIES})
186endif()
187
188if(@ENABLE_MODPLUG@)
189 select_library_configurations_from_names(BASENAME MODPLUG NAMES modplug libmodplug)
190 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${MODPLUG_LIBRARIES})
191endif()
192
193if(@ENABLE_NVCODEC@)
194 if(UNIX)
195 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS dl)
196 endif()
197endif()
198
199if(@ENABLE_OPENCL@)
200 find_dependency(OpenCL)
201 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${OpenCL_LIBRARIES})
202endif()
203
204if(@ENABLE_OPENGL@)
205 if(POLICY CMP0072)
206 cmake_policy (SET CMP0072 OLD)
207 endif(POLICY CMP0072)
208 find_dependency(OpenGL)
209 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${OPENGL_LIBRARIES})
210endif()
211
212if(@ENABLE_OPENH264@)
213 select_library_configurations_from_names(BASENAME openh264 NAMES openh264)
214 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${openh264_LIBRARIES})
215endif()
216
217if(@ENABLE_OPENJPEG@)
218 find_dependency(OpenJPEG)
219 select_library_configurations_from_targets(BASENAME openjpeg TARGETS openjp2)
220 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${openjpeg_LIBRARIES})
221endif()
222
223if(@ENABLE_OPENSSL@)
224 find_dependency(OpenSSL)
225 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${OPENSSL_LIBRARIES})
226endif()
227
228if(@ENABLE_OPUS@)
229 find_dependency(Opus)
230 select_library_configurations_from_targets(BASENAME Opus TARGETS Opus::opus)
231 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${Opus_LIBRARIES})
232endif()
233
234if(@ENABLE_SDL2@)
235 find_dependency(SDL2)
236 if(TARGET SDL2::SDL2-static)
237 select_library_configurations_from_targets(BASENAME SDL2 TARGETS SDL2::SDL2-static)
238 else()
239 select_library_configurations_from_targets(BASENAME SDL2 TARGETS SDL2::SDL2)
240 endif()
241 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${SDL2_LIBRARIES})
242endif()
243
244if(@ENABLE_SNAPPY@)
245 find_dependency(Snappy)
246 select_library_configurations_from_targets(BASENAME Snappy TARGETS Snappy::snappy)
247 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${Snappy_LIBRARIES})
248endif()
249
250if(@ENABLE_SOXR@)
251 select_library_configurations_from_names(BASENAME SOXR NAMES soxr)
252 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${SOXR_LIBRARIES})
253endif()
254
255if(@ENABLE_SPEEX@)
256 if(WIN32)
257 select_library_configurations_from_names(BASENAME SPEEX NAMES_RELEASE libspeex NAMES_DEBUG libspeexd)
258 else()
259 select_library_configurations_from_names(BASENAME SPEEX NAMES speex libspeex)
260 endif()
261 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${SPEEX_LIBRARIES})
262endif()
263
264if(@ENABLE_SSH@)
265 find_dependency(libssh)
266 select_library_configurations_from_targets(BASENAME libssh TARGETS ssh)
267 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${libssh_LIBRARIES})
268endif()
269
270if(@ENABLE_THEORA@)
271 find_dependency(Ogg) # ensure Ogg::ogg is defined as a target
272 find_dependency(unofficial-theora)
273 select_library_configurations_from_targets(BASENAME THEORA TARGETS unofficial::theora::theoraenc)
274 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${THEORA_LIBRARIES})
275endif()
276
277if(@ENABLE_TESSERACT@)
278 find_dependency(Tesseract)
279 select_library_configurations_from_targets(BASENAME tesseract TARGETS libtesseract)
280 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${tesseract_LIBRARIES})
281endif()
282
283if(@ENABLE_VORBIS@)
284 find_dependency(Vorbis)
285 select_library_configurations_from_targets(BASENAME vorbis TARGETS Vorbis::vorbis Vorbis::vorbisenc)
286 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${vorbis_LIBRARIES})
287endif()
288
289if(@ENABLE_VPX@)
290 find_dependency(unofficial-libvpx)
291 select_library_configurations_from_targets(BASENAME libvpx TARGETS unofficial::libvpx::libvpx)
292 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${libvpx_LIBRARIES})
293endif()
294
295if(@ENABLE_WAVPACK@)
296 find_dependency(wavpack)
297 select_library_configurations_from_targets(BASENAME wavpack TARGETS WavPack::wavpack)
298 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${wavpack_LIBRARIES})
299endif()
300
301if(@ENABLE_WEBP@)
302 find_dependency(WebP)
303 select_library_configurations_from_targets(BASENAME webp TARGETS WebP::webp WebP::webpdemux WebP::libwebpmux WebP::webpdecoder)
304 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${webp_LIBRARIES})
305endif()
306
307if(@ENABLE_X264@)
308 select_library_configurations_from_names(BASENAME X264 NAMES x264 libx264)
309 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${X264_LIBRARIES})
310 if(UNIX)
311 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS dl)
312 endif()
313endif()
314
315if(@ENABLE_X265@)
316 select_library_configurations_from_names(BASENAME X265 NAMES x265 x265-static)
317 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${X265_LIBRARIES})
318 if(UNIX)
319 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS dl)
320 find_platform_dependent_optional_libraries(NAMES numa)
321 endif()
322endif()
323
324if(@ENABLE_XML2@)
325 find_dependency(LibXml2)
326 select_library_configurations_from_targets(BASENAME libxml2 TARGETS LibXml2::LibXml2)
327 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${libxml2_LIBRARIES})
328endif()
329
330if(@ENABLE_ZLIB@)
331 find_dependency(ZLIB)
332 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS ${ZLIB_LIBRARIES})
333endif()
334
335# Platform dependent libraries required by FFMPEG
336if(UNIX AND NOT APPLE)
337 find_platform_dependent_optional_libraries(NAMES Xv X11 Xext)
338 find_platform_dependent_optional_libraries(NAMES va-drm va vdpau)
339 if(@ENABLE_AVDEVICE@)
340 find_platform_dependent_optional_libraries(NAMES xcb xcb-shm xcb-shape xcb-xfixes)
341 endif()
342endif()
343
344if(WIN32)
345 if(NOT CYGWIN)
346 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS wsock32 ws2_32 secur32 bcrypt strmiids Vfw32 Shlwapi mfplat mfuuid)
347 endif()
348else()
349 list(APPEND FFMPEG_PLATFORM_DEPENDENT_LIBS m)
350endif()
351
352macro(FFMPEG_FIND varname shortname headername)
353 if(NOT FFMPEG_${varname}_INCLUDE_DIRS)
354 find_path(FFMPEG_${varname}_INCLUDE_DIRS NAMES lib${shortname}/${headername} ${headername} PATHS ${SEARCH_PATH}/include NO_DEFAULT_PATH)
355 endif()
356 if(NOT FFMPEG_${varname}_LIBRARY)
357 find_library(FFMPEG_${varname}_LIBRARY_RELEASE NAMES ${shortname} PATHS ${SEARCH_PATH}/lib/ NO_DEFAULT_PATH)
358 find_library(FFMPEG_${varname}_LIBRARY_DEBUG NAMES ${shortname}d ${shortname} PATHS ${SEARCH_PATH}/debug/lib/ NO_DEFAULT_PATH)
359 get_filename_component(FFMPEG_${varname}_LIBRARY_RELEASE_DIR ${FFMPEG_${varname}_LIBRARY_RELEASE} DIRECTORY)
360 get_filename_component(FFMPEG_${varname}_LIBRARY_DEBUG_DIR ${FFMPEG_${varname}_LIBRARY_DEBUG} DIRECTORY)
361 select_library_configurations(FFMPEG_${varname})
362 set(FFMPEG_${varname}_LIBRARY ${FFMPEG_${varname}_LIBRARY} CACHE STRING "")
363 endif()
364 if (FFMPEG_${varname}_LIBRARY AND FFMPEG_${varname}_INCLUDE_DIRS)
365 set(FFMPEG_${varname}_FOUND TRUE BOOL)
366 list(APPEND FFMPEG_INCLUDE_DIRS ${FFMPEG_${varname}_INCLUDE_DIRS})
367 list(APPEND FFMPEG_LIBRARIES ${FFMPEG_${varname}_LIBRARY})
368 list(APPEND FFMPEG_LIBRARY_DIRS ${FFMPEG_${varname}_LIBRARY_RELEASE_DIR} ${FFMPEG_${varname}_LIBRARY_DEBUG_DIR})
369 endif()
370endmacro(FFMPEG_FIND)
371
372if(APPLE)
373 find_platform_dependent_libraries(NAMES VideoToolbox CoreServices CoreMedia CoreVideo)
374 if(@ENABLE_OPENCL@)
375 find_platform_dependent_libraries(NAMES OpenCL)
376 endif()
377 if(@ENABLE_AVDEVICE@)
378 find_platform_dependent_libraries(NAMES AVFoundation CoreAudio CoreFoundation CoreGraphics Foundation)
379 endif()
380 if(@ENABLE_AVFILTER@)
381 find_platform_dependent_libraries(NAMES OpenGL AppKit CoreImage)
382 endif()
383 if(@ENABLE_AVFORMAT@)
384 find_platform_dependent_libraries(NAMES Security)
385 endif()
386 if(@ENABLE_AVCODEC@)
387 find_platform_dependent_libraries(NAMES AudioToolbox)
388 endif()
389endif()
390
391if(@ENABLE_AVDEVICE@)
392 FFMPEG_FIND(libavdevice avdevice avdevice.h)
393endif()
394if(@ENABLE_AVFILTER@)
395 FFMPEG_FIND(libavfilter avfilter avfilter.h)
396endif()
397if(@ENABLE_AVFORMAT@)
398 FFMPEG_FIND(libavformat avformat avformat.h)
399endif()
400if(@ENABLE_AVCODEC@)
401 FFMPEG_FIND(libavcodec avcodec avcodec.h)
402endif()
403if(@ENABLE_AVRESAMPLE@)
404 FFMPEG_FIND(libavresample avresample avresample.h)
405endif()
406if(@ENABLE_POSTPROC@)
407 FFMPEG_FIND(libpostproc postproc postprocess.h)
408endif()
409if(@ENABLE_SWRESAMPLE@)
410 FFMPEG_FIND(libswresample swresample swresample.h)
411endif()
412if(@ENABLE_SWSCALE@)
413 FFMPEG_FIND(libswscale swscale swscale.h)
414endif()
415FFMPEG_FIND(libavutil avutil avutil.h)
416
417if (FFMPEG_libavutil_FOUND)
418 list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS)
419 list(REMOVE_DUPLICATES FFMPEG_LIBRARY_DIRS)
420 set(FFMPEG_libavutil_VERSION "@LIBAVUTIL_VERSION@" CACHE STRING "")
421
422 if(FFMPEG_libavcodec_FOUND)
423 set(FFMPEG_libavcodec_VERSION "@LIBAVCODEC_VERSION@" CACHE STRING "")
424 endif()
425 if(FFMPEG_libavdevice_FOUND)
426 set(FFMPEG_libavdevice_VERSION "@LIBAVDEVICE_VERSION@" CACHE STRING "")
427 endif()
428 if(FFMPEG_libavfilter_FOUND)
429 set(FFMPEG_libavfilter_VERSION "@LIBAVFILTER_VERSION@" CACHE STRING "")
430 endif()
431 if(FFMPEG_libavformat_FOUND)
432 set(FFMPEG_libavformat_VERSION "@LIBAVFORMAT_VERSION@" CACHE STRING "")
433 endif()
434 if(FFMPEG_libavresample_FOUND)
435 set(FFMPEG_libavresample_VERSION "@LIBAVRESAMPLE_VERSION@" CACHE STRING "")
436 endif()
437 if(FFMPEG_libswresample_FOUND)
438 set(FFMPEG_libswresample_VERSION "@LIBSWRESAMPLE_VERSION@" CACHE STRING "")
439 endif()
440 if(FFMPEG_libswscale_FOUND)
441 set(FFMPEG_libswscale_VERSION "@LIBSWSCALE_VERSION@" CACHE STRING "")
442 endif()
443
444 list(APPEND FFMPEG_LIBRARIES
445 ${FFMPEG_PLATFORM_DEPENDENT_LIBS}
446 )
447
448 set(FFMPEG_LIBRARY ${FFMPEG_LIBRARIES})
449
450 set(FFMPEG_FOUND TRUE CACHE BOOL "")
451 set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE STRING "")
452 set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "")
453 set(FFMPEG_LIBRARY_DIRS ${FFMPEG_LIBRARY_DIRS} CACHE STRING "")
454endif()
455
456find_package_handle_standard_args(FFMPEG REQUIRED_VARS FFMPEG_LIBRARIES FFMPEG_LIBRARY_DIRS FFMPEG_INCLUDE_DIRS)
457
458endif()