cmdutils: Fix sign error in display matrix auto-rotation code

This makes the sample from Ticket4560 behave consistently with either branch Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · 66f4b1e9c4
parent 57e38043de
commit 66f4b1e9c4
1 changed files with 1 additions and 1 deletions
--- a/cmdutils.c
+++ b/cmdutils.c
@ -2101,7 +2101,7 @@ double get_rotation(AVStream *st)
            theta = 0;
    }
    if (displaymatrix && !theta)
-        theta = av_display_rotation_get((int32_t*) displaymatrix);
+        theta = -av_display_rotation_get((int32_t*) displaymatrix);

    theta -= 360*floor(theta/360 + 0.9/360);