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avcodec/celp_math: Disable unused function

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The code using ff_exp2 (namely ff_acelp_decode_gain_code) use it only if
G729_BITEXACT is defined. So disable it if not.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2021-02-19 02:22:36 +01:00
parent 7825cc392a
commit f529793490
1 changed files with 2 additions and 0 deletions
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libavcodec/celp_math.c
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@ -29,6 +29,7 @@
#include "celp_math.h"
#include "libavutil/common.h"
#ifdef G729_BITEXACT
static const uint16_t exp2a[]=
{
0, 1435, 2901, 4400, 5931, 7496, 9096, 10730,
@ -54,6 +55,7 @@ int ff_exp2(uint16_t power)
result= (result<<3) + ((result*exp2b[(power>>5)&31])>>17);
return result + ((result*(power&31)*89)>>22);
}
#endif
/**
* Table used to compute log2(x)