V4L/DVB (5402): Add vsync_field to the union in video_event for VIDEO_EVENT_VSYNC
VIDEO_EVENT_VSYNC needs to tell the application which field it was that
received a VSYNC (odd/even/progressive). The vsync_field was added to the
union in video_event for this purpose.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/include/linux/dvb/video.h b/include/linux/dvb/video.h
index a96da40..0c2a1c7 100644
--- a/include/linux/dvb/video.h
+++ b/include/linux/dvb/video.h
@@ -120,6 +120,13 @@
};
};
+/* FIELD_UNKNOWN can be used if the hardware does not know whether
+ the Vsync is for an odd, even or progressive (i.e. non-interlaced)
+ field. */
+#define VIDEO_VSYNC_FIELD_UNKNOWN (0)
+#define VIDEO_VSYNC_FIELD_ODD (1)
+#define VIDEO_VSYNC_FIELD_EVEN (2)
+#define VIDEO_VSYNC_FIELD_PROGRESSIVE (3)
struct video_event {
int32_t type;
@@ -131,6 +138,7 @@
union {
video_size_t size;
unsigned int frame_rate; /* in frames per 1000sec */
+ unsigned char vsync_field; /* unknown/odd/even/progressive */
} u;
};