+ # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
+ conf.check_cxx(fragment="""
+ extern "C" {\n
+ #include <libavfilter/f_ebur128.h>\n
+ }\n
+ int main () { av_ebur128_get_true_peaks (0); }\n
+ """,
+ msg='Checking for patched FFmpeg',
+ libpath=conf.env['LIBPATH_AVFORMAT'],
+ lib=['avfilter', 'avutil', 'swresample'],
+ includes=conf.env['INCLUDES_AVFORMAT'],
+ uselib_store='PATCHED_FFMPEG',
+ define_name='DCPOMATIC_HAVE_PATCHED_FFMPEG',
+ mandatory=False)
+