pitch_sharpening(p, subframe, p->cur_frame_mode, &fixed_sparse);
+ if (fixed_sparse.pitch_lag == 0) {
+ av_log(avctx, AV_LOG_ERROR, "The file is corrupted, pitch_lag = 0 is not allowed\n");
+ return AVERROR_INVALIDDATA;
+ }
ff_set_fixed_vector(p->fixed_vector, &fixed_sparse, 1.0,
AMR_SUBFRAME_SIZE);