Author: cmcq Date: Fri Jul 31 17:36:07 2009 New Revision: 4871 Log: Comments to clarify that the ignored bits are just padding Modified: amr/amrnbdec.c Modified: amr/amrnbdec.c ============================================================================== --- amr/amrnbdec.c Fri Jul 31 17:10:43 2009 (r4870) +++ amr/amrnbdec.c Fri Jul 31 17:36:07 2009 (r4871) @@ -136,12 +136,12 @@ static enum Mode decode_bitstream(AMRCon // initialize get_bits init_get_bits(&p->gb, buf, buf_size * 8); - skip_bits(&p->gb, 1); - // set the mode - mode = get_bits(&p->gb, 4); - // set the bad frame indicator based on the quality bit - p->bad_frame_indicator = !get_bits1(&p->gb); - skip_bits(&p->gb, 2); + + // Decode the first octet. + skip_bits(&p->gb, 1); // padding bit + mode = get_bits(&p->gb, 4); // frame type + p->bad_frame_indicator = !get_bits1(&p->gb); // quality bit + skip_bits(&p->gb, 2); // two padding bits if (mode <= MODE_DTX) { uint16_t *data = (uint16_t *)&p->frame;