diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-03-10 06:24:30 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-04-27 15:44:23 -0300 |
| commit | 43d0dfcfc654fa18b6dd91b9483273b44112997f (patch) | |
| tree | d61e2405bac19c16e76021d4027935785edb0ca7 | |
| parent | 5332bdbe9aae9e1a8fc5daaca6c75f05bc37d310 (diff) | |
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>
| -rw-r--r-- | 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 a96da40c50f..0c2a1c7c50a 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 @@ struct video_event { union { video_size_t size; unsigned int frame_rate; /* in frames per 1000sec */ + unsigned char vsync_field; /* unknown/odd/even/progressive */ } u; }; |