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

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sun Nov  7 08:28:28 2021 +0100| [ddd701fbbf71a85711bbb1fc52f5de86cdca1261] | committer: Andreas Rheinhardt

avcodec/speexdec: Remove dead code

Fixes Coverity issue #1492840.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ddd701fbbf71a85711bbb1fc52f5de86cdca1261
---

 libavcodec/speexdec.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/libavcodec/speexdec.c b/libavcodec/speexdec.c
index 4c50f54f27..90e95f0785 100644
--- a/libavcodec/speexdec.c
+++ b/libavcodec/speexdec.c
@@ -1221,7 +1221,7 @@ static int sb_decode(AVCodecContext *avctx, void *ptr_st,
     float low_pi_gain[NB_NB_SUBFRAMES];
     float low_exc_rms[NB_NB_SUBFRAMES];
     float interp_qlsp[NB_ORDER];
-    int ret, wideband, dtx = 0;
+    int ret, wideband;
     float *low_innov_alias;
     float qlsp[NB_ORDER];
     float ak[NB_ORDER];
@@ -1254,11 +1254,6 @@ static int sb_decode(AVCodecContext *avctx, void *ptr_st,
 
     /* If null mode (no transmission), just set a couple things to zero */
     if (st->submodes[st->submodeID] == NULL) {
-        if (dtx) {
-            //sb_decode_lost(st, out, 1);
-            return 0;
-        }
-
         for (int i = 0; i < st->frame_size; i++)
             out[st->frame_size + i] = 1e-15f;