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Diffstat (limited to 'libavcodec/mpeg4videodec.c')
-rw-r--r--libavcodec/mpeg4videodec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index d2f22dd372..89c4b367f7 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -171,7 +171,7 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
int a = 2 << s->sprite_warping_accuracy;
int rho = 3 - s->sprite_warping_accuracy;
int r = 16 / a;
- int alpha = 0;
+ int alpha = 1;
int beta = 0;
int w = s->width;
int h = s->height;