if(LINPHONE_BUILDER_EXTERNAL_SOURCE_PATH AND(LINPHONE_BUILDER_GROUP_EXTERNAL_SOURCE_PATH_BUILDERS OR LINPHONE_BUILDER_BUILD_ONLY_EXTERNAL_SOURCE_PATH))
ms2_add_dependent_option("FFmpeg""Some video processing features via FFmpeg: JPEG encoding/decoding, video scaling, H264 decoding..."${DEFAULT_VALUE_ENABLE_FFMPEG}"${FFMPEG_DEPENDENT_PRED}" OFF)
ms2_add_dependent_option("H263""H263 video encoding/decoding support (require license)." OFF "ENABLE_FFMPEG;ENABLE_NON_FREE_CODECS" OFF)
ms2_add_dependent_option("H263+""H263+ video encoding/decoding support (require license)." OFF "ENABLE_FFMPEG;ENABLE_NON_FREE_CODECS" OFF)
ms2_add_dependent_option("H263p""H263+ video encoding/decoding support (require license)." OFF "ENABLE_FFMPEG;ENABLE_NON_FREE_CODECS" OFF)
ms2_add_option("MKV""MKV playing and recording support."${DEFAULT_VALUE_ENABLE_MKV})
ms2_add_dependent_option("MPEG4""MPEG4 video encoding/decoding support (require license)." OFF "ENABLE_FFMPEG;ENABLE_NON_FREE_CODECS" OFF)
ms2_add_dependent_option("OpenH264""H.264 video encoding/decoding support with the openh264 library (require license)." OFF "ENABLE_VIDEO;ENABLE_NON_FREE_CODECS" OFF)