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avcodec/aacenc: don't redundantly re-compute max sfb

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Remove an unneeded inner loop in adjust_frame_information that
had no effect, the loop body can be run only once and will compute
the same max sfb.
This commit is contained in:
Yotam Ofek 2024-04-28 09:37:11 +00:00 committed by Lynne
parent 31327c2d07
commit a9a69a5a31
1 changed files with 3 additions and 5 deletions
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8
libavcodec/aacenc.c
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@ -538,11 +538,9 @@ static void adjust_frame_information(ChannelElement *cpe, int chans)
maxsfb = 0;
cpe->ch[ch].pulse.num_pulse = 0;
for (w = 0; w < ics->num_windows; w += ics->group_len[w]) {
for (w2 = 0; w2 < ics->group_len[w]; w2++) {
for (cmaxsfb = ics->num_swb; cmaxsfb > 0 && cpe->ch[ch].zeroes[w*16+cmaxsfb-1]; cmaxsfb--)
;
maxsfb = FFMAX(maxsfb, cmaxsfb);
}
for (cmaxsfb = ics->num_swb; cmaxsfb > 0 && cpe->ch[ch].zeroes[w*16+cmaxsfb-1]; cmaxsfb--)
;
maxsfb = FFMAX(maxsfb, cmaxsfb);
}
ics->max_sfb = maxsfb;