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[FFmpeg-devel,11/15] avcodec/celp_math: Disable unused function

Message ID 20210219075022.2445161-11-andreas.rheinhardt@gmail.com
State Accepted
Commit f529793490310f7a7bb47b18786b179db18dd759
Headers show
Series [FFmpeg-devel,01/15] avformat/asf: Move ff_asf_audio_conceal_none to its only user
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Commit Message

Andreas Rheinhardt Feb. 19, 2021, 7:50 a.m. UTC
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>
---
Alternatively one can also remove the G729_BITEXACT code altogether.

 libavcodec/celp_math.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/libavcodec/celp_math.c b/libavcodec/celp_math.c
index a96b1aed9e..920995a879 100644
--- a/libavcodec/celp_math.c
+++ b/libavcodec/celp_math.c
@@ -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)