V4L/DVB (5402): Add vsync_field to the union in video_event for VIDEO_EVENT_VSYNC From: Hans Verkuil 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 Signed-off-by: Mauro Carvalho Chehab --- include/linux/dvb/video.h | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) 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 @@ struct video_command { }; }; +/* 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 @@ #define VIDEO_EVENT_VSYNC 4 union { video_size_t size; unsigned int frame_rate; /* in frames per 1000sec */ + unsigned char vsync_field; /* unknown/odd/even/progressive */ } u; };