Fix installation of ini file + add more insight in informations

Author: bakpaul

SofaGLFW/CMakeLists.txt

@@ -94,7 +94,7 @@ add_definitions("-DSOFAGLFW_RESOURCES_DIR=\"${CMAKE_CURRENT_SOURCE_DIR}/resource
 sofa_find_package(FFMPEG_exec BOTH_SCOPES)
 # FFMPEG
 if(FFMPEG_EXEC_FOUND)
-    install(PROGRAMS "${FFMPEG_EXEC_FILE}" DESTINATION bin COMPONENT applications)
+    install(PROGRAMS "${FFMPEG_EXEC_FILE}" DESTINATION ${CMAKE_INSTALL_PREFIX}/bin COMPONENT applications)
 endif()
 
 # Create build and install versions of .ini file for resources finding
@@ -106,7 +106,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/etc/${PROJECT_NAME}.ini.in "${CMAKE_B
 get_filename_component(FFMPEG_EXEC_FILENAME "${FFMPEG_EXEC_FILE}" NAME)
 set(FFMPEG_EXEC_PATH "../bin/${FFMPEG_EXEC_FILENAME}") # relative path for install dir, see .ini file
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/etc/${PROJECT_NAME}.ini.in "${CMAKE_BINARY_DIR}/etc/installed${PROJECT_NAME}.ini")
-install(FILES "${CMAKE_BINARY_DIR}/etc/installed${PROJECT_NAME}.ini" DESTINATION etc RENAME ${PROJECT_NAME}.ini COMPONENT applications)
+install(FILES "${CMAKE_BINARY_DIR}/etc/installed${PROJECT_NAME}.ini" DESTINATION ${CMAKE_INSTALL_PREFIX}/etc  RENAME ${PROJECT_NAME}.ini COMPONENT applications)
 
 
 

SofaGLFW/src/SofaGLFW/SofaGLFWBaseGUI.cpp

@@ -1228,8 +1228,14 @@ bool SofaGLFWBaseGUI::initRecorder(int width, int height, unsigned int framerate
     if (iniFileValues.find("FFMPEG_EXEC_PATH") != iniFileValues.end())
     {
         // get absolute path of FFMPEG executable
+        msg_info("SofaGLFWBaseGUI") << " The file " << ffmpegIniFilePath << " points to " << ffmpeg_exec_path << " for the ffmpeg executable.";
         ffmpeg_exec_path = sofa::helper::system::SetDirectory::GetRelativeFromProcess(iniFileValues["FFMPEG_EXEC_PATH"].c_str());
     }
+    else
+    {
+        msg_warning("SofaGLFWBaseGUI") << " The file " << Utils::getSofaPathPrefix() <<"/etc/SofaGLFW.ini either doesn't exist or doesn't contain the string FFMPEG_EXEC_PATH."
+        " The initialization of the FFMPEG video recorder will likely fail. To fix this, provide a valid path to the ffmpeg executable inside this file using the syntax \"FFMPEG_EXEC_PATH=/usr/bin/ffmpeg\".";
+    }
 
     const std::string videoFilename = m_videoRecorderFFMPEG.findFilename(framerate, bitrate / 1024, codecExtension);