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avcodec/g723_1enc: Remove unnecessary av_clipl_int32()

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partial_corr is an int16_t and so the av_clipl_int32()
never clips and can be removed. This also avoids
undefined left-shifts of negative numbers.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-09-28 19:17:56 +02:00
parent 1e1ddbb70d
commit e47f3e366b
1 changed files with 1 additions and 2 deletions
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3
libavcodec/g723_1enc.c
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@ -200,8 +200,7 @@ static void levinson_durbin(int16_t *lpc, int16_t *autocorr, int16_t error)
partial_corr = temp / (error << 1);
lpc[i] = av_clipl_int32((int64_t) (partial_corr << 14) +
(1 << 15)) >> 16;
lpc[i] = (partial_corr + (1 << 1)) >> 2;
/* Update the prediction error */
temp = MULL2(temp, partial_corr);