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authorMichael Niedermayer <michaelni@gmx.at>2013-01-25 15:04:41 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-01-25 15:04:41 +0100
commitfc2922836bc289e443c0c7a20450bf8f03c0785d (patch)
tree20843987f14580004c6f67314783eb39d00e2e93 /doc
parent25be63005f0ba0b4cb8bf2569202ad0e89b4dae3 (diff)
parent0b55b16abc15c3fad0ae8b7cedc8f63f1162e89c (diff)
downloadffmpeg-streaming-fc2922836bc289e443c0c7a20450bf8f03c0785d.zip
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Merge remote-tracking branch 'qatar/master'
* qatar/master: avfilter: allow setpts filter to use wallclock time for calculations Conflicts: doc/filters.texi Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'doc')
-rw-r--r--doc/filters.texi13
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index ad8b5da..583cc30 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -5466,6 +5466,13 @@ previous output PTS
@item PREV_OUTT
previous output time in seconds
+
+@item RTCTIME
+wallclock (RTC) time in microseconds
+
+@item RTCSTART
+wallclock (RTC) time at the start of the movie in microseconds
+
@end table
@subsection Examples
@@ -5506,6 +5513,12 @@ Apply an offset of 10 seconds to the input PTS:
@example
setpts=PTS+10/TB
@end example
+
+@item
+generate timestamps from a "live source" and rebase onto the current timebase
+@example
+setpts='(RTCTIME - RTCSTART) / (TB * 1000000)'
+@end example
@end itemize
@section ebur128
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