ffmpeg | branch: master | Luca Barbato <lu_z...@gentoo.org> | Fri Nov 21 12:57:36 2014 +0000| [7464e98f74c03d3efa0cdc8d7abad06e4c3c277a] | committer: Vittorio Giovara
aac: Simplify decode_mid_side_stereo Might spare few cycles if the compiler is naive and makes the function more readable. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7464e98f74c03d3efa0cdc8d7abad06e4c3c277a --- libavcodec/aacdec.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c index 76190e2..9c0a46d 100644 --- a/libavcodec/aacdec.c +++ b/libavcodec/aacdec.c @@ -1419,13 +1419,12 @@ static void decode_mid_side_stereo(ChannelElement *cpe, GetBitContext *gb, int ms_present) { int idx; + int max_idx = cpe->ch[0].ics.num_window_groups * cpe->ch[0].ics.max_sfb; if (ms_present == 1) { - for (idx = 0; - idx < cpe->ch[0].ics.num_window_groups * cpe->ch[0].ics.max_sfb; - idx++) + for (idx = 0; idx < max_idx; idx++) cpe->ms_mask[idx] = get_bits1(gb); } else if (ms_present == 2) { - memset(cpe->ms_mask, 1, cpe->ch[0].ics.num_window_groups * cpe->ch[0].ics.max_sfb * sizeof(cpe->ms_mask[0])); + memset(cpe->ms_mask, 1, max_idx * sizeof(cpe->ms_mask[0])); } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
