if (read + n_samples < buffer_length) {
memcpy(temp_src, bptr + read, n_samples * sizeof(*temp_src));
} else {
- memcpy(temp_src, bptr + read, (buffer_length - read) * sizeof(*temp_src));
- memcpy(temp_src + (buffer_length - read), bptr, (read - n_samples) * sizeof(*temp_src));
+ int len = FFMIN(n_samples - (read % n_samples), buffer_length - read);
+
+ memcpy(temp_src, bptr + read, len * sizeof(*temp_src));
+ memcpy(temp_src + len, bptr, (n_samples - len) * sizeof(*temp_src));
}
/* multiply signal and IR, and add up the results */