AC3_FRAME_BUFFER_SIZE  217 libavcodec/ac3dec.c         s->input_buffer = av_mallocz(AC3_FRAME_BUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
AC3_FRAME_BUFFER_SIZE 1233 libavcodec/ac3dec.c         memcpy(s->input_buffer, buf, FFMIN(buf_size, AC3_FRAME_BUFFER_SIZE));