FRONT_RIGHT_OF_CENTER  253 libavresample/audio_mix_matrix.c             matrix[FRONT_RIGHT][FRONT_RIGHT_OF_CENTER] += 1.0;
FRONT_RIGHT_OF_CENTER  256 libavresample/audio_mix_matrix.c             matrix[FRONT_CENTER][FRONT_RIGHT_OF_CENTER] += M_SQRT1_2;
FRONT_RIGHT_OF_CENTER  288 libswresample/rematrix.c             matrix[FRONT_RIGHT][FRONT_RIGHT_OF_CENTER]+= 1.0;
FRONT_RIGHT_OF_CENTER  291 libswresample/rematrix.c             matrix[ FRONT_CENTER][FRONT_RIGHT_OF_CENTER]+= M_SQRT1_2;