[FFmpeg-cvslog] avcodec/mpeg4videodec: Remove write-only variable

[Zhao Zhili]

ffmpeg | branch: master | Zhao Zhili <zhilizhao at tencent.com> | Thu Jan  4 18:00:14 2024 +0800| [bc944168db90cbeefab335d9b1251a31effa5bd7] | committer: Zhao Zhili

avcodec/mpeg4videodec: Remove write-only variable

Fix warning: variable 'time_incr' set but not used.

Signed-off-by: Zhao Zhili <zhilizhao at tencent.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bc944168db90cbeefab335d9b1251a31effa5bd7
---

 libavcodec/mpeg4videodec.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 7e05f2eeca..65d4bf429b 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -735,10 +735,8 @@ int ff_mpeg4_decode_video_packet_header(Mpeg4DecContext *ctx)
         header_extension = get_bits1(&s->gb);
 
     if (header_extension) {
-        int time_incr = 0;
-
         while (get_bits1(&s->gb) != 0)
-            time_incr++;
+            ;
 
         check_marker(s->avctx, &s->gb, "before time_increment in video packed header");
         skip_bits(&s->gb, ctx->time_increment_bits);      /* time_increment */