av_lfg_init_from_data 1512 libavcodec/ac3dec.c         av_lfg_init_from_data(&s->dith_state, s->input_buffer, FFMIN(buf_size, AC3_FRAME_BUFFER_SIZE));
av_lfg_init_from_data   45 libavutil/lfg.h int av_lfg_init_from_data(AVLFG *c, const uint8_t *data, unsigned int length);