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  • Des sites réalisés avec MediaSPIP

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    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

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    La gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
    Le super Cron (gestion_mutu_super_cron)
    Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...)

  • Publier sur MédiaSpip

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Sur d’autres sites (8923)

  • avconv : split video transcoding out of output_packet().

    21 novembre 2011, par Anton Khirnov

    avconv : split video transcoding out of output_packet().

  • Convert series of images to video

    13 mai 2013, par user1055153

    I have series of images with sorted names, like 0000000354 ... 0000008591
    I have tried using ffmpeg or MEncoder to convert theme. In ffmpeg the problem is this that it will operate while the names are like 0000000001 ... 00000000009 with %010d syntax.I don't know what syntax i should use for my images names.in mencoder it will cover all images But when i play the output video it doesn't show images,I want to show every image in 5 seconds or somthing like this, any one can help ?

  • Compile Shotdetect on CentOS 7

    14 septembre 2015, par BitLegacy01

    I’m migrating a service from a Debian server to a CentOS 7 one.

    The service needs the Shotdetect command (github , official site).

    I could not make it work on CentOS though I followed all steps :

    1. Compile ffmpeg compilation guide

      # ffmpeg
      
ffmpeg version git-2015-08-21-7a806c6 Copyright (c) 2000-2015 the FFmpeg developers
      
  built with gcc 4.8.3 (GCC) 20140911 (Red Hat 4.8.3-9)
      
  configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --pkg-config-flags=--static --enable-gpl --enable-nonfree --enable-libfdk-aac --enable-libfreetype --disable-libmp3lame --disable-libopus --disable-libvorbis --disable-libvpx --enable-libx264 --disable-libx265 --disable-lzma
      
  libavutil      54. 31.100 / 54. 31.100
      
  libavcodec     56. 58.100 / 56. 58.100
      
  libavformat    56. 40.101 / 56. 40.101
      
  libavdevice    56.  4.100 / 56.  4.100
      
  libavfilter     5. 36.100 /  5. 36.100
      
  libswscale      3.  1.101 /  3.  1.101
      
  libswresample   1.  2.101 /  1.  2.101
      
  libpostproc    53.  3.100 / 53.  3.100
      
Hyper fast Audio and Video encoder
      
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

      1. Install needed packages

        # yum install gd-devel libxml2-devel libxslt-devel clang libvpx libvorbis

      2. Add pthread in the CMakeList file, in TARGET_LINK_LIBRARIES, because it throws an lpthread missing in linker error

      3. Compile Shotdetect

        # FFMPEG_DIR="/root/ffmpeg_build"  ./compile.sh cmd

    5.Lost in contemplation

    -- avformat library found: /root/ffmpeg_build/lib/libavformat.a
    
-- avcodec library found: /root/ffmpeg_build/lib/libavcodec.a
    
-- avutil library found: /root/ffmpeg_build/lib/libavutil.a
    
-- swscale library found: /root/ffmpeg_build/lib/libswscale.a
    
Found all FFmpeg libraries in /root/ffmpeg_build/lib/libavformat.a;/root/ffmpeg_build/lib/libavdevice.a;/root/ffmpeg_build/lib/libavcodec.a;/root/ffmpeg_build/lib/libavutil.a;/root/ffmpeg_build/lib/libswscale.a.
    
-- Found GD: /usr/lib64/libgd.so
    
Found libgd: /usr/lib64/libgd.so;/usr/lib64/libpng.so;/usr/lib64/libz.so;/usr/lib64/libjpeg.so in /usr/include
    
Found libxml2: /usr/lib64/libxml2.so in /usr/include/libxml2
    
Found libxslt: /usr/lib64/libxslt.so in /usr/include
    
-- Configuring done
    
-- Generating done
    
-- Build files have been written to: /root/Shotdetect-master/build
    
[ 71%] Built target shotdetect
    
Linking CXX executable shotdetect-cmd
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): in the function « fdk_aac_decode_frame »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:323: undefined reference to « aacDecoder_Fill »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:329: undefined reference to « aacDecoder_DecodeFrame »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): in the function « get_stream_info »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:88: undefined reference to « aacDecoder_GetStreamInfo »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): in the function « fdk_aac_decode_close »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:201: undefined reference to « aacDecoder_Close »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): in the function « fdk_aac_decode_init »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:214: undefined reference to « aacDecoder_Open »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:221: undefined reference to « aacDecoder_ConfigRaw »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:228: undefined reference to « aacDecoder_SetParam »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:252: undefined reference to « aacDecoder_SetParam »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:270: undefined reference to « aacDecoder_SetParam »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:277: undefined reference to « aacDecoder_SetParam »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:284: undefined reference to « aacDecoder_SetParam »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o):/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:291: encore plus de références indéfinies suivent vers « aacDecoder_SetParam »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): in the function « fdk_aac_decode_init »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:261: undefined reference to « aacDecoder_AncDataInit »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacdec.o): in the function « fdk_aac_decode_flush »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacdec.c:367: undefined reference to « aacDecoder_SetParam »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o): in the function « aac_encode_close »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:97: undefined reference to « aacEncClose »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o): in the function « aac_encode_frame »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:357: undefined reference to « aacEncEncode »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o): in the function « aac_encode_init »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:114: undefined reference to « aacEncOpen »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:123: undefined reference to « aacEncoder_SetParam »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:130: undefined reference to « aacEncoder_SetParam »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:138: undefined reference to « aacEncoder_SetParam »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:172: undefined reference to « aacEncoder_SetParam »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:179: undefined reference to « aacEncoder_SetParam »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o):/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:197: encore plus de références indéfinies suivent vers « aacEncoder_SetParam »
    
/root/ffmpeg_build/lib/libavcodec.a(libfdk-aacenc.o): in the function « aac_encode_init »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:276: undefined reference to « aacEncEncode »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libfdk-aacenc.c:282: undefined reference to « aacEncInfo »
    
/root/ffmpeg_build/lib/libavcodec.a(libx264.o): in the function « X264_frame »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:260: undefined reference to « x264_picture_init »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:262: undefined reference to « x264_bit_depth »
    
/root/ffmpeg_build/lib/libavcodec.a(libx264.o): in the function « reconfig_encoder »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:246: undefined reference to « x264_encoder_reconfig »
    
/root/ffmpeg_build/lib/libavcodec.a(libx264.o): in the function « X264_frame »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:283: undefined reference to « x264_encoder_encode »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:289: undefined reference to « x264_encoder_delayed_frames »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:283: undefined reference to « x264_encoder_encode »
    
/root/ffmpeg_build/lib/libavcodec.a(libx264.o): in the function « reconfig_encoder »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:173: undefined reference to « x264_encoder_reconfig »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:178: undefined reference to « x264_encoder_reconfig »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:185: undefined reference to « x264_encoder_reconfig »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:205: undefined reference to « x264_encoder_reconfig »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:211: undefined reference to « x264_encoder_reconfig »
    
/root/ffmpeg_build/lib/libavcodec.a(libx264.o):/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:191: encore plus de références indéfinies suivent vers « x264_encoder_reconfig »
    
/root/ffmpeg_build/lib/libavcodec.a(libx264.o): in the function « X264_init_static »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:806: undefined reference to « x264_bit_depth »
    
/root/ffmpeg_build/lib/libavcodec.a(libx264.o): in the function « X264_close »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:339: undefined reference to « x264_encoder_close »
    
/root/ffmpeg_build/lib/libavcodec.a(libx264.o): in the function « X264_init »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:413: undefined reference to « x264_param_default »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:418: undefined reference to « x264_param_default_preset »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:440: undefined reference to « x264_param_parse »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:470: undefined reference to « x264_param_parse »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:514: undefined reference to « x264_levels »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:516: undefined reference to « x264_levels »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:540: undefined reference to « x264_param_parse »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:541: undefined reference to « x264_param_parse »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:542: undefined reference to « x264_param_parse »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:543: undefined reference to « x264_param_parse »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:601: undefined reference to « x264_param_apply_fastfirstpass »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:651: undefined reference to « x264_param_apply_profile »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:703: undefined reference to « x264_param_parse »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:705: undefined reference to « x264_param_parse »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:717: undefined reference to « x264_param_parse »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:735: undefined reference to « x264_encoder_open_148 »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/libx264.c:744: undefined reference to « x264_encoder_headers »
    
/root/ffmpeg_build/lib/libavcodec.a(opusdec.o): in the function « opus_decode_subpacket »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:379: undefined reference to « swr_is_initialized »
    
/root/ffmpeg_build/lib/libavcodec.a(opusdec.o): in the function « opus_decode_frame »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:220: undefined reference to « swr_is_initialized »
    
/root/ffmpeg_build/lib/libavcodec.a(opusdec.o): in the function « opus_init_resample »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:161: undefined reference to « swr_init »
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:167: undefined reference to « swr_convert »
    
/root/ffmpeg_build/lib/libavcodec.a(opusdec.o): in the function « opus_decode_frame »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:234: undefined reference to « swr_convert »
    
/root/ffmpeg_build/lib/libavcodec.a(opusdec.o): in the function « opus_flush_resample »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:115: undefined reference to « swr_convert »
    
/root/ffmpeg_build/lib/libavcodec.a(opusdec.o): in the function « opus_decode_subpacket »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:411: undefined reference to « swr_close »
    
/root/ffmpeg_build/lib/libavcodec.a(opusdec.o): in the function « opus_decode_flush »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:614: undefined reference to « swr_close »
    
/root/ffmpeg_build/lib/libavcodec.a(opusdec.o): in the function « opus_decode_close »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:638: undefined reference to « swr_free »
    
/root/ffmpeg_build/lib/libavcodec.a(opusdec.o): in the function « opus_decode_init »:
    
/root/ffmpeg_sources/ffmpeg/libavcodec/opusdec.c:705: undefined reference to « swr_alloc »
    
clang: error: linker command failed with exit code 1 (use -v to see invocation)
    
make[2]: *** [shotdetect-cmd] Error 1
    
make[1]: *** [CMakeFiles/shotdetect-cmd.dir/all] Error 2
    
make: *** [all] Error 2

    I’ve done a lot of research about the above errors but I didn’t find any clue.

    How to compile successfully Shotdetect on CentOS7 ?

    Thanks to tryp here is a working CMakelist file :

    # CMake integration by Christian Frisson
    
cmake_minimum_required(VERSION 2.8)
    
PROJECT(shotdetect)
    

    
SET(CMAKE_C_COMPILER "/usr/bin/clang")
    
SET(CMAKE_CXX_COMPILER "/usr/bin/clang++")
    
SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
    

    

    
# Get git version information for automatic embedding in version string:
    

    
include(GetGitRevisionDescription)
    
get_git_head_revision(GIT_REFSPEC GIT_SHA1)
    
# Take the first 12 characters of the SHA1 as short identifier:
    
STRING(SUBSTRING ${GIT_SHA1} 0 11 GIT_SHA1_SHORT)
    
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/version.cc.in" "${CMAKE_CURRENT_BINARY_DIR}/version.cc" @ONLY)
    
list(APPEND SOURCES "${CMAKE_CURRENT_BINARY_DIR}/version.cc" src/version.h)
    

    
# Miscellaneous compilation options:
    

    
OPTION(USE_WXWIDGETS "Compile GUI app with wxWidgets, otherwise commandline app" ON)
    
OPTION(USE_POSTGRESQL "Compile with PostgreSQL support" OFF)
    

    
# Dependency: pkg-config (required if cross-compiling with MXE)
    

    
IF ( MINGW AND CMAKE_TOOLCHAIN_FILE)
    
    FIND_PACKAGE (PkgConfig)
    
    IF(NOT PKG_CONFIG_FOUND)
    
        MESSAGE(FATAL_ERROR "pkgconfig required for cross-compiling with MXE for windows")
    
    ENDIF()
    
    SET(PKG_CONFIG_EXECUTABLE ${PKG_CONFIG_EXECUTABLE} CACHE STRING "pkg-config")
    
ENDIF()
    

    
# Dependency: FFmpeg (required)
    

    
FIND_PACKAGE( FFmpeg )
    
IF ( MINGW AND CMAKE_TOOLCHAIN_FILE)
    
    PKG_CHECK_MODULES (FFMPEG_PKG REQUIRED libavcodec libavfilter libavutil libavdevice libavformat libavformat libswscale)
    
    IF (FFMPEG_PKG_FOUND)
    
        MESSAGE( "FFmpeg cflags found through pkg-config: ${FFMPEG_PKG_CFLAGS}" )
    
        MESSAGE( "FFmpeg ldflags found through pkg-config: ${FFMPEG_PKG_LDFLAGS}" )
    
        STRING(REGEX REPLACE ";" " " FFMPEG_PKG_CFLAGS "${FFMPEG_PKG_CFLAGS}")
    
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FFMPEG_PKG_CFLAGS}")
    
        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FFMPEG_PKG_CFLAGS}")
    
        SET(FFMPEG_LIBRARIES ${FFMPEG_LIBRARY} ${FFMPEG_PKG_LDFLAGS})
    
        MESSAGE("FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES}")
    
    ELSE (FFMPEG_PKG_FOUND)
    
        MESSAGE( FATAL_ERROR "FFmpeg cflags/ldflags not found through pkg-config." )
    
    ENDIF (FFMPEG_PKG_FOUND)
    
ENDIF()
    
IF(FFMPEG_LIBAVFORMAT_FOUND)
    
    MESSAGE(STATUS "avformat library found: ${FFMPEG_LIBAVFORMAT_LIBRARIES}")
    
ELSE()
    
    MESSAGE(STATUS "avformat library not found.")
    
ENDIF()
    
IF(FFMPEG_LIBAVCODEC_FOUND)
    
    MESSAGE(STATUS "avcodec library found: ${FFMPEG_LIBAVCODEC_LIBRARIES}")
    
ELSE()
    
    MESSAGE(STATUS "avcodec library not found.")
    
ENDIF()
    
IF(FFMPEG_LIBAVUTIL_FOUND)
    
    MESSAGE(STATUS "avutil library found: ${FFMPEG_LIBAVUTIL_LIBRARIES}")
    
ELSE()
    
    MESSAGE(STATUS "avutil library not found.")
    
ENDIF()
    
IF(FFMPEG_LIBSWSCALE_FOUND)
    
    MESSAGE(STATUS "swscale library found: ${FFMPEG_LIBSWSCALE_LIBRARIES}")
    
ELSE()
    
    MESSAGE(STATUS "swscale library not found.")
    
ENDIF()
    
IF(FFMPEG_FOUND)
    
    INCLUDE_DIRECTORIES(${FFMPEG_INCLUDE_DIR} ${FFMPEG_INCLUDE_DIRS})
    
    SET(FFMPEG_LIBRARIES "${FFMPEG_LIBRARIES};/root/ffmpeg_build/lib/libswresample.a;/root/ffmpeg_build/lib/libx264.a;/lib64/libdl.so.2;/root/ffmpeg_build/lib/libfdk-aac.a;/root/ffmpeg_build/lib/libswresample.a")
    
    MESSAGE("Found all FFmpeg libraries in ${FFMPEG_LIBRARIES}.")
    
ELSE()
    
    MESSAGE(FATAL_ERROR "Some FFmpeg libraries are missing.")
    
ENDIF()
    

    
# Dependency: GD (required)
    

    
FIND_PACKAGE(GD REQUIRED)
    
IF ( MINGW AND CMAKE_TOOLCHAIN_FILE)
    
    EXEC_PROGRAM(${CMAKE_FIND_ROOT_PATH}/bin/gdlib-config ARGS "--cflags" OUTPUT_VARIABLE GD_PKG_CFLAGS) 
    
    EXEC_PROGRAM(${CMAKE_FIND_ROOT_PATH}/bin/gdlib-config ARGS "--libs" OUTPUT_VARIABLE GD_PKG_LDFLAGS)
    
    MESSAGE( "gd cflags found through gdlib-config: ${GD_PKG_CFLAGS}" )
    
    MESSAGE( "gd ldflags found through gdlib-config: ${GD_PKG_LDFLAGS}" )
    
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GD_PKG_CFLAGS}")
    
    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${GD_PKG_CFLAGS}")
    
    SET(GD_LIBRARIES ${GD_LIBRARY} ${GD_PKG_LDFLAGS})
    
    MESSAGE("GD_LIBRARIES ${GD_LIBRARIES}")
    
ENDIF()
    
IF(GD_FOUND)
    
    INCLUDE_DIRECTORIES(${GD_INCLUDE_DIR})
    
    MESSAGE("Found libgd: ${GD_LIBRARIES} in ${GD_INCLUDE_DIR}")
    
ELSE()
    
    MESSAGE(FATAL_ERROR "Couldn't find libgd")
    
ENDIF()
    

    
# Dependency: libxml2 (required)
    

    
FIND_PACKAGE(LibXml2 2.7 REQUIRED)
    
IF ( MINGW AND CMAKE_TOOLCHAIN_FILE)
    
    PKG_CHECK_MODULES (LIBXML2_PKG REQUIRED libxml-2.0)
    
    IF (LIBXML2_PKG_FOUND)
    
        MESSAGE( "LibXml2 cflags found through pkg-config: ${LIBXML2_PKG_CFLAGS}" )
    
        MESSAGE( "LibXml2 ldflags found through pkg-config: ${LIBXML2_PKG_LDFLAGS}" )
    
        STRING(REGEX REPLACE ";" " " LIBXML2_PKG_CFLAGS "${LIBXML2_PKG_CFLAGS}")
    
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBXML2_PKG_CFLAGS}")
    
        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBXML2_PKG_CFLAGS}")
    
        SET(LIBXML2_LIBRARIES ${LIBXML2_LIBRARY} ${LIBXML2_PKG_LDFLAGS})
    
        MESSAGE("LIBXML2_LIBRARIES ${LIBXML2_LIBRARIES}")
    
    ELSE (LIBXML2_PKG_FOUND)
    
        MESSAGE( FATAL_ERROR "LibXml2 cflags/ldflags not found through pkg-config." )
    
    ENDIF (LIBXML2_PKG_FOUND)
    
ENDIF()
    
IF(LIBXML2_FOUND)
    
    MESSAGE("Found libxml2: ${LIBXML2_LIBRARIES} in ${LIBXML2_INCLUDE_DIR}")
    
    INCLUDE_DIRECTORIES(${LIBXML2_INCLUDE_DIR})
    
ELSE()
    
    MESSAGE(FATAL_ERROR "Couldn't find libxml2")
    
ENDIF()
    

    
# Dependency: libxslt (required)
    

    
FIND_PACKAGE(LibXslt REQUIRED)
    
IF(LIBXSLT_FOUND)
    
    MESSAGE("Found libxslt: ${LIBXSLT_LIBRARIES} in ${LIBXSLT_INCLUDE_DIR}")
    
    INCLUDE_DIRECTORIES(${LIBXSLT_INCLUDE_DIR})
    
ELSE()
    
    MESSAGE(FATAL_ERROR "Couldn't find libxslt")
    
ENDIF()
    

    
# Dependency: wxWidgets (optional)
    
IF(USE_WXWIDGETS)
    
    FIND_PACKAGE(wxWidgets)# COMPONENTS core base)
    
    IF(wxWidgets_FOUND)
    
        MESSAGE("Found wxWidgets: ${wxWidgets_LIBRARIES} in ${wxWidgets_INCLUDE_DIRS}")
    
        INCLUDE_DIRECTORIES(${wxWidgets_INCLUDE_DIRS})
    
        ADD_DEFINITIONS(-DWXWIDGETS)
    
        INCLUDE("${wxWidgets_USE_FILE}")
    
    ELSE()
    
        MESSAGE(FATAL_ERROR "Couldn't find wxWidgets. Set USE_WXWIDGETS to OFF or install wxWidgets.")
    
    ENDIF()
    
ENDIF()
    

    
# Dependency: PostgreSQL (optional)
    
IF(USE_POSTGRESQL)
    
    FIND_PACKAGE(PostgreSQL)
    
    IF(PostgreSQL_FOUND)
    
        MESSAGE("Found PostgreSQL: ${PostgreSQL_LIBRARIES} in ${PostgreSQL_INCLUDE_DIR}")
    
        INCLUDE_DIRECTORIES(${PostgreSQL_INCLUDE_DIR})
    
    ELSE()
    
        MESSAGE(FATAL_ERROR "Couldn't find PostgreSQL. Set USE_POSTGRESQL to OFF or install PostgreSQL.")
    
    ENDIF()
    
ENDIF()
    

    
# shotdetect
    

    
SET(TARGET_NAME "shotdetect")
    
INCLUDE_DIRECTORIES(.)
    

    
# shotdetect library
    

    
SET(${TARGET_NAME}_LIBRARY_SRCS src/film.cc src/graph.cc src/image.cc src/shot.cc src/xml.cc)
    
SET(${TARGET_NAME}_LIBRARY_HDRS  src/film.h src/graph.h src/image.h src/shot.h src/xml.h)
    
IF(USE_POSTGRESQL)
    
    SET(${TARGET_NAME}_LIBRARY_SRCS ${${TARGET_NAME}_LIBRARY_SRCS} src/bdd.cc)
    
    SET(${TARGET_NAME}_LIBRARY_HDRS ${${TARGET_NAME}_LIBRARY_HDRS} src/bdd.h)
    
ENDIF()
    
ADD_LIBRARY(${TARGET_NAME} ${${TARGET_NAME}_LIBRARY_SRCS} ${${TARGET_NAME}_LIBRARY_HDRS})
    
TARGET_LINK_LIBRARIES(${TARGET_NAME} ${FFMPEG_LIBRARIES} ${LIBXML2_LIBRARIES} ${LIBXSLT_LIBRARIES} ${GD_LIBRARIES} "pthread" "m" "z")
    
IF(USE_WXWIDGETS AND wxWidgets_FOUND)
    
    TARGET_LINK_LIBRARIES(${TARGET_NAME} ${wxWidgets_LIBRARIES})
    
ENDIF()
    
IF(USE_POSTGRESQL AND PostgreSQL_FOUND)
    
    TARGET_LINK_LIBRARIES(${TARGET_NAME} ${PostgreSQL_LIBRARY})
    
ENDIF()
    

    
# shotdetect application: gui or commandline
    

    
IF(APPLE)
    
    SET(APP_TYPE "MACOSX_BUNDLE")
    
ELSEIF(WIN32)
    
    SET(APP_TYPE "WIN32")
    
ENDIF()
    

    
IF(USE_WXWIDGETS AND wxWidgets_FOUND)
    
    LIST(APPEND ${TARGET_NAME}_GUI_SRCS src/main.cc src/ui/dialog_help.cc src/ui/dialog_shotdetect.cc src/ui/process_video_thread.cc)
    
    LIST(APPEND ${TARGET_NAME}_GUI_HDRS src/ui/dialog_help.h src/ui/dialog_shotdetect.h src/ui/process_video_thread.h)
    
    ADD_EXECUTABLE(${TARGET_NAME}-gui ${APP_TYPE} ${SOURCES} ${${TARGET_NAME}_GUI_SRCS} ${${TARGET_NAME}_GUI_HDRS})
    
    TARGET_LINK_LIBRARIES(${TARGET_NAME}-gui ${TARGET_NAME})
    
    # Make this target optional to install:
    
    SET(TARGETS_TO_INSTALL ${TARGET_NAME}-gui)
    
ELSE()
    
    LIST(APPEND ${TARGET_NAME}_COMMANDLINE_SRCS src/commandline.cc)
    
    ADD_EXECUTABLE(${TARGET_NAME}-cmd ${SOURCES} ${${TARGET_NAME}_COMMANDLINE_SRCS})
    
    TARGET_LINK_LIBRARIES(${TARGET_NAME}-cmd ${TARGET_NAME})
    
    # Make this target optional to install:
    
    SET(TARGETS_TO_INSTALL ${TARGET_NAME}-cmd)
    
ENDIF()
    

    

    
# Routines for installing shotdetect.
    
# Taken from official documentation (http://www.cmake.org/cmake/help/cmake2.6docs.html#command:install)
    
install( 
    
    TARGETS ${TARGETS_TO_INSTALL}
    
    RUNTIME DESTINATION bin
    
    LIBRARY DESTINATION lib
    
    ARCHIVE DESTINATION lib/static
    
)

    the built binary will be in the built directory, you can move there and execute

    make install

    to make the binary system wide.

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