[FFmpeg-cvslog] mpeg4videodec: Fix unused variable warning

[Mark Thompson]

ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Thu Dec 21 19:54:56 2017 +0000| [e6a1dfc9ce81a443b16776a5fbd841284efa3613] | committer: Mark Thompson

mpeg4videodec: Fix unused variable warning

video_format is not used.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e6a1dfc9ce81a443b16776a5fbd841284efa3613
---

 libavcodec/mpeg4videodec.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index e9cba25dd0..12755b5e8a 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -1768,9 +1768,10 @@ static int mpeg4_decode_visual_object(MpegEncContext *s, GetBitContext *gb)
         visual_object_type == VOT_STILL_TEXTURE_ID) {
         int video_signal_type = get_bits1(gb);
         if (video_signal_type) {
-            int video_format = get_bits(gb, 3);
-            int video_range = get_bits1(gb);
-            int color_description = get_bits1(gb);
+            int video_range, color_description;
+            skip_bits(gb, 3); // video_format
+            video_range = get_bits1(gb);
+            color_description = get_bits1(gb);
 
             s->avctx->color_range = video_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;