Prevent potential divisions by 0 when using them immediately after allocation.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavutil/stereo3d.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/libavutil/stereo3d.c b/libavutil/stereo3d.c
index a40a9439bb..19e81e4124 100644
--- a/libavutil/stereo3d.c
+++ b/libavutil/stereo3d.c
@@ -26,9 +26,20 @@
#include "mem.h"
#include "stereo3d.h"
+static void get_defaults(AVStereo3D *stereo)
+{
+ stereo->horizontal_disparity_adjustment = (AVRational) { 0, 1 };
+}
+
AVStereo3D *av_stereo3d_alloc(void)
{
- return av_mallocz(sizeof(AVStereo3D));
+ AVStereo3D *stereo = av_mallocz(sizeof(AVStereo3D));
+ if (!stereo)
+ return NULL;
+
+ get_defaults(stereo);
+
+ return stereo;
}
AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame)
@@ -40,6 +51,7 @@ AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame)
return NULL;
memset(side_data->data, 0, sizeof(AVStereo3D));
+ get_defaults((AVStereo3D *)side_data->data);
return (AVStereo3D *)side_data->data;
}
--
2.45.2
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