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# Copyright (c) 1993-2015 Ken Martin, Will Schroeder, Bill Lorensen
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
# of any contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Find the native FFMPEG includes and library
#
# This module defines
# FFMPEG_INCLUDE_DIR, where to find avcodec.h, avformat.h ...
# FFMPEG_LIBRARIES, the libraries to link against to use FFMPEG.
# FFMPEG_FOUND, If false, do not try to use FFMPEG.
# also defined, but not for general use are
# FFMPEG_avformat_LIBRARY and FFMPEG_avcodec_LIBRARY, where to find the FFMPEG library.
# This is usefull to do it this way so that we can always add more libraries
# if needed to FFMPEG_LIBRARIES if ffmpeg ever changes...
include(CheckStructHasMember)
# if ffmpeg headers are all in one directory
FIND_PATH(FFMPEG_INCLUDE_DIR avformat.h
PATHS
$ENV{FFMPEG_DIR}/include
~/Library/Frameworks
/Library/Frameworks
/usr/local/include
/usr/include
/sw/include # Fink
/opt/local/include # DarwinPorts
/opt/csw/include # Blastwave
/opt/include
/usr/freeware/include
PATH_SUFFIXES ${CMAKE_LIBRARY_ARCHITECTURE} ffmpeg
DOC "Location of FFMPEG Headers"
)
# if ffmpeg headers are seperated to each of libavformat, libavcodec etc..
IF (NOT FFMPEG_INCLUDE_DIR)
FIND_PATH(FFMPEG_INCLUDE_DIR libavformat/avformat.h
PATHS
$ENV{FFMPEG_DIR}/include
~/Library/Frameworks
/Library/Frameworks
/usr/local/include
/usr/include
/sw/include # Fink
/opt/local/include # DarwinPorts
/opt/csw/include # Blastwave
/opt/include
/usr/freeware/include
PATH_SUFFIXES ${CMAKE_LIBRARY_ARCHITECTURE} ffmpeg
DOC "Location of FFMPEG Headers"
)
ENDIF (NOT FFMPEG_INCLUDE_DIR)
# we want the -I include line to use the parent directory of ffmpeg as
# ffmpeg uses relative includes such as <ffmpeg/avformat.h> or <libavcodec/avformat.h>
get_filename_component(FFMPEG_INCLUDE_DIR ${FFMPEG_INCLUDE_DIR} ABSOLUTE)
FIND_LIBRARY(FFMPEG_avformat_LIBRARY avformat
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_avcodec_LIBRARY avcodec
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_avutil_LIBRARY avutil
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_vorbis_LIBRARY vorbis
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_dc1394_LIBRARY dc1394_control
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_vorbisenc_LIBRARY vorbisenc
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_theora_LIBRARY theora
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_dts_LIBRARY dts
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_gsm_LIBRARY gsm
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_swscale_LIBRARY swscale
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_z_LIBRARY z
/usr/local/lib
/usr/lib
)
FIND_LIBRARY(FFMPEG_bz2_LIBRARY bz2
/usr/local/lib
/usr/lib
)
SET(FFMPEG_LIBRARIES)
IF (FFMPEG_INCLUDE_DIR)
IF (FFMPEG_avformat_LIBRARY)
IF (FFMPEG_avcodec_LIBRARY)
IF (FFMPEG_avutil_LIBRARY)
SET(FFMPEG_FOUND TRUE)
SET(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIR})
SET(FFMPEG_BASIC_LIBRARIES
${FFMPEG_avcodec_LIBRARY}
${FFMPEG_avformat_LIBRARY}
${FFMPEG_avutil_LIBRARY}
)
# swscale is always a part of newer ffmpeg distros
IF (FFMPEG_swscale_LIBRARY)
LIST(APPEND FFMPEG_BASIC_LIBRARIES ${FFMPEG_swscale_LIBRARY})
ENDIF (FFMPEG_swscale_LIBRARY)
SET(FFMPEG_LIBRARIES ${FFMPEG_BASIC_LIBRARIES})
IF (FFMPEG_vorbis_LIBRARY)
LIST(APPEND FFMPEG_LIBRARIES ${FFMPEG_vorbis_LIBRARY})
ENDIF (FFMPEG_vorbis_LIBRARY)
IF (FFMPEG_dc1394_LIBRARY)
LIST(APPEND FFMPEG_LIBRARIES ${FFMPEG_dc1394_LIBRARY})
ENDIF (FFMPEG_dc1394_LIBRARY)
IF (FFMPEG_vorbisenc_LIBRARY)
LIST(APPEND FFMPEG_LIBRARIES ${FFMPEG_vorbisenc_LIBRARY})
ENDIF (FFMPEG_vorbisenc_LIBRARY)
IF (FFMPEG_theora_LIBRARY)
LIST(APPEND FFMPEG_LIBRARIES ${FFMPEG_theora_LIBRARY})
ENDIF (FFMPEG_theora_LIBRARY)
IF (FFMPEG_dts_LIBRARY)
LIST(APPEND FFMPEG_LIBRARIES ${FFMPEG_dts_LIBRARY})
ENDIF (FFMPEG_dts_LIBRARY)
IF (FFMPEG_gsm_LIBRARY)
LIST(APPEND FFMPEG_LIBRARIES ${FFMPEG_gsm_LIBRARY})
ENDIF (FFMPEG_gsm_LIBRARY)
IF (FFMPEG_z_LIBRARY)
LIST(APPEND FFMPEG_LIBRARIES ${FFMPEG_z_LIBRARY})
ENDIF (FFMPEG_z_LIBRARY)
IF (FFMPEG_bz2_LIBRARY)
LIST(APPEND FFMPEG_LIBRARIES ${FFMPEG_bz2_LIBRARY})
ENDIF (FFMPEG_bz2_LIBRARY)
SET(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE INTERNAL "All presently found FFMPEG libraries.")
CHECK_STRUCT_HAS_MEMBER("struct AVStream" codecpar libavformat/avformat.h HAVE_AVSTREAM_CODECPAR LANGUAGE C)
ENDIF (FFMPEG_avutil_LIBRARY)
ENDIF (FFMPEG_avcodec_LIBRARY)
ENDIF (FFMPEG_avformat_LIBRARY)
ENDIF (FFMPEG_INCLUDE_DIR)
MARK_AS_ADVANCED(
FFMPEG_INCLUDE_DIR
FFMPEG_avformat_LIBRARY
FFMPEG_avcodec_LIBRARY
FFMPEG_avutil_LIBRARY
FFMPEG_vorbis_LIBRARY
FFMPEG_dc1394_LIBRARY
FFMPEG_vorbisenc_LIBRARY
FFMPEG_theora_LIBRARY
FFMPEG_dts_LIBRARY
FFMPEG_gsm_LIBRARY
FFMPEG_swscale_LIBRARY
FFMPEG_z_LIBRARY
)
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