diff options
Diffstat (limited to 'Documentation/DocBook/v4l/compat.xml')
| -rw-r--r-- | Documentation/DocBook/v4l/compat.xml | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/DocBook/v4l/compat.xml b/Documentation/DocBook/v4l/compat.xml index b42b935913cd..54447f0d0784 100644 --- a/Documentation/DocBook/v4l/compat.xml +++ b/Documentation/DocBook/v4l/compat.xml | |||
| @@ -1091,8 +1091,9 @@ signed 64-bit integer. Output devices should not send a buffer out | |||
| 1091 | until the time in the timestamp field has arrived. I would like to | 1091 | until the time in the timestamp field has arrived. I would like to |
| 1092 | follow SGI's lead, and adopt a multimedia timestamping system like | 1092 | follow SGI's lead, and adopt a multimedia timestamping system like |
| 1093 | their UST (Unadjusted System Time). See | 1093 | their UST (Unadjusted System Time). See |
| 1094 | http://reality.sgi.com/cpirazzi_engr/lg/time/intro.html. [This link is | 1094 | http://web.archive.org/web/*/http://reality.sgi.com |
| 1095 | no longer valid.] UST uses timestamps that are 64-bit signed integers | 1095 | /cpirazzi_engr/lg/time/intro.html. |
| 1096 | UST uses timestamps that are 64-bit signed integers | ||
| 1096 | (not struct timeval's) and given in nanosecond units. The UST clock | 1097 | (not struct timeval's) and given in nanosecond units. The UST clock |
| 1097 | starts at zero when the system is booted and runs continuously and | 1098 | starts at zero when the system is booted and runs continuously and |
| 1098 | uniformly. It takes a little over 292 years for UST to overflow. There | 1099 | uniformly. It takes a little over 292 years for UST to overflow. There |