avcodec/mpeg4videodec: assert impossible wrap points

Helps: CID1473517 Uninitialized scalar variable Helps: CID1473497 Uninitialized scalar variable Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
9 months ago · 8fc649b931
parent 4c725df059
commit 8fc649b931
1 changed files with 2 additions and 0 deletions
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@ -597,6 +597,8 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
        ctx->sprite_shift[0]  = alpha + beta + rho - min_ab;
        ctx->sprite_shift[1]  = alpha + beta + rho - min_ab + 2;
        break;
+    default:
+        av_assert0(0);
    }
    /* try to simplify the situation */
    if (sprite_delta[0][0] == a << ctx->sprite_shift[0] &&