diff options
Diffstat (limited to 'Documentation/media/uapi/dvb/video-set-attributes.rst')
| -rw-r--r-- | Documentation/media/uapi/dvb/video-set-attributes.rst | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/Documentation/media/uapi/dvb/video-set-attributes.rst b/Documentation/media/uapi/dvb/video-set-attributes.rst index 326c5c876e80..b2f11a6746e9 100644 --- a/Documentation/media/uapi/dvb/video-set-attributes.rst +++ b/Documentation/media/uapi/dvb/video-set-attributes.rst @@ -11,11 +11,13 @@ Name VIDEO_SET_ATTRIBUTES +.. attention:: This ioctl is deprecated. Synopsis -------- -.. cpp:function:: int ioctl(fd, int request = VIDEO_SET_ATTRIBUTE ,video_attributes_t vattr) +.. c:function:: int ioctl(fd, VIDEO_SET_ATTRIBUTE ,video_attributes_t vattr) + :name: VIDEO_SET_ATTRIBUTE Arguments @@ -53,6 +55,22 @@ information about the stream. Some hardware may not need this information, but the call also tells the hardware to prepare for DVD playback. +.. c:type:: video_attributes_t + +.. code-block::c + + typedef __u16 video_attributes_t; + /* bits: descr. */ + /* 15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) */ + /* 13-12 TV system (0=525/60, 1=625/50) */ + /* 11-10 Aspect ratio (0=4:3, 3=16:9) */ + /* 9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca */ + /* 7 line 21-1 data present in GOP (1=yes, 0=no) */ + /* 6 line 21-2 data present in GOP (1=yes, 0=no) */ + /* 5- 3 source resolution (0=720x480/576, 1=704x480/576, 2=352x480/57 */ + /* 2 source letterboxed (1=yes, 0=no) */ + /* 0 film/camera mode (0=camera, 1=film (625/50 only)) */ + Return Value ------------ |