[FFmpeg-cvslog] avcodec/mpegvideo: use predefined M_PI

[Ganesh Ajjanagadde]

ffmpeg | branch: master | Ganesh Ajjanagadde <gajjanagadde at gmail.com> | Sat Nov 14 10:49:45 2015 -0500| [c5fa42c69aeccd644fb5a42b4995602d206f168b] | committer: Ganesh Ajjanagadde

avcodec/mpegvideo: use predefined M_PI

M_PI is defined in math.h, or in avutil/mathematics.h for compatibility
hacks. This uses this value instead of an ad-hoc floating literal.

Reviewed-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c5fa42c69aeccd644fb5a42b4995602d206f168b
---

 libavcodec/mpegvideo.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 96634ec..69e0595 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1870,8 +1870,8 @@ void ff_print_debug_info2(AVCodecContext *avctx, AVFrame *pict, uint8_t *mbskip_
                     uint64_t u,v;
                     int y;
 #define COLOR(theta, r) \
-    u = (int)(128 + r * cos(theta * 3.141592 / 180)); \
-    v = (int)(128 + r * sin(theta * 3.141592 / 180));
+    u = (int)(128 + r * cos(theta * M_PI / 180)); \
+    v = (int)(128 + r * sin(theta * M_PI / 180));
 
 
                     u = v = 128;