G723_1_Subframe 45 libavcodec/g723_1.c G723_1_Subframe subframe[4]; G723_1_Subframe 464 libavcodec/g723_1.c static void gen_fcb_excitation(int16_t *vector, G723_1_Subframe *subfrm, G723_1_Subframe 547 libavcodec/g723_1.c int pitch_lag, G723_1_Subframe *subfrm, G723_1_Subframe 2213 libavcodec/g723_1.c static void pack_fcb_param(G723_1_Subframe *subfrm, FCBParam *optim,