picoproj: replace mmap() with more portable file stream operations
[libam7xxx.git] / examples / CMakeLists.txt
index 0450e26..b7941ab 100644 (file)
@@ -1,9 +1,51 @@
+include(CheckSymbolExists)
 add_definitions("-D_POSIX_C_SOURCE=2") # for getopt()
+add_definitions("-D_POSIX_SOURCE") # for sigaction
+add_definitions("-D_BSD_SOURCE") # for strdup
 
 include_directories(${CMAKE_SOURCE_DIR}/src/)
 
 # Build a test app that sends a single picture
-add_executable(picoproj picoproj.c)
-target_link_libraries(picoproj am7xxx)
-install(TARGETS picoproj
-  DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")
+option(BUILD_PICOPROJ "Build a test app that sends a single picture" TRUE)
+if(BUILD_PICOPROJ)
+  add_executable(picoproj picoproj.c)
+  target_link_libraries(picoproj am7xxx)
+  install(TARGETS picoproj
+    DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")
+endif()
+
+# Build a more complete example
+option(BUILD_AM7XXX-PLAY "Build a more complete example: am7xxx-play" TRUE)
+if(BUILD_AM7XXX-PLAY)
+  find_package(FFmpeg REQUIRED)
+  set(CMAKE_REQUIRED_LIBRARIES ${FFMPEG_LIBRARIES}) 
+  set(CMAKE_REQUIRED_INCLUDES ${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS}) 
+  check_symbol_exists(avformat_open_input
+    "${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS}/libavformat/avformat.h"
+    HAVE_AVFORMAT_OPEN_INPUT)
+  if(NOT HAVE_AVFORMAT_OPEN_INPUT)
+    message(FATAL_ERROR
+      "Function avformat_open_input missing. Please use a newer FFmpeg release.")
+  endif()
+
+  include_directories(${FFMPEG_LIBAVDEVICE_INCLUDE_DIRS})
+  include_directories(${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS})
+  include_directories(${FFMPEG_LIBSWSCALE_INCLUDE_DIRS})
+
+  # xcb is used to retrieve the full screen dimensions when using x11grab
+  # as input format
+  find_package(XCB)
+  if (XCB_FOUND)
+    add_definitions("${LIBXCB_DEFINITIONS} -DHAVE_XCB")
+    include_directories(${LIBXCB_INCLUDE_DIRS})
+  endif()
+
+  add_executable(am7xxx-play am7xxx-play.c)
+
+  target_link_libraries(am7xxx-play am7xxx
+    ${FFMPEG_LIBRARIES}
+    ${FFMPEG_LIBSWSCALE_LIBRARIES}
+    ${LIBXCB_LIBRARIES})
+  install(TARGETS am7xxx-play
+    DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")
+endif()