[vlc-devel] [PATCH 06/17] vout: the filed of view cannot be 0

[Steve Lhomme]

add some macros to translate millidegrees
---
 include/vlc_vout.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/vlc_vout.h b/include/vlc_vout.h
index baf9b15..88f401e 100644
--- a/include/vlc_vout.h
+++ b/include/vlc_vout.h
@@ -82,6 +82,10 @@ struct vout_thread_t {
 #define VOUT_ALIGN_BOTTOM       0x0008
 #define VOUT_ALIGN_VMASK        0x000C
 
+#define VLC_VIEWPOINT_DEGREES_UNIT  1000.f
+#define TO_MILLI_INT(d)      ((int32_t) (d * VLC_VIEWPOINT_DEGREES_UNIT))
+#define FROM_MILLI_INT(d)    ((float) d / VLC_VIEWPOINT_DEGREES_UNIT)
+
 struct vlc_viewpoint_t {
     int32_t yaw;   /* yaw in 0.001 degrees */
     int32_t pitch; /* pitch in 0.001 degrees */
@@ -93,6 +97,7 @@ struct vlc_viewpoint_t {
 static inline void vlc_viewpoint_init( vlc_viewpoint_t *p_vp )
 {
     memset( p_vp, 0, sizeof(*p_vp) );
+    p_vp->fov = TO_MILLI_INT( DEFAULT_FIELD_OF_VIEW_DEGREES );
 }
 
 /*****************************************************************************
-- 
2.10.1