[FFmpeg-cvslog] avcodec/ilbcdec: Remove dead code

[Michael Niedermayer]

ffmpeg | branch: release/5.1 | Michael Niedermayer <michael at niedermayer.cc> | Thu May  9 23:30:49 2024 +0200| [5d891ffbe5c796df42e8ff44833fa89175b27f3c] | committer: Michael Niedermayer

avcodec/ilbcdec: Remove dead code

Yes the same dead code is in "iLBC Speech Coder ANSI-C Source Code"

Fixes: CID1509370 Logically dead code

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 8a64a003b5d567354e82af679e056615c8464a6f)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5d891ffbe5c796df42e8ff44833fa89175b27f3c
---

 libavcodec/ilbcdec.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/libavcodec/ilbcdec.c b/libavcodec/ilbcdec.c
index 62a9ad19bf..1cce96cc13 100644
--- a/libavcodec/ilbcdec.c
+++ b/libavcodec/ilbcdec.c
@@ -1094,12 +1094,6 @@ static void do_plc(int16_t *plc_residual,      /* (o) concealed residual */
 
         if (s->consPLICount * s->block_samples > 320) {
             use_gain = 29491;   /* 0.9 in Q15 */
-        } else if (s->consPLICount * s->block_samples > 640) {
-            use_gain = 22938;   /* 0.7 in Q15 */
-        } else if (s->consPLICount * s->block_samples > 960) {
-            use_gain = 16384;   /* 0.5 in Q15 */
-        } else if (s->consPLICount * s->block_samples > 1280) {
-            use_gain = 0;       /* 0.0 in Q15 */
         }
 
         /* Compute mixing factor of picth repeatition and noise: