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-rw-r--r--utils/v4l2-compliance/v4l2-compliance.1.in5
1 files changed, 3 insertions, 2 deletions
diff --git a/utils/v4l2-compliance/v4l2-compliance.1.in b/utils/v4l2-compliance/v4l2-compliance.1.in
index 94b6e7f..c75a7e7 100644
--- a/utils/v4l2-compliance/v4l2-compliance.1.in
+++ b/utils/v4l2-compliance/v4l2-compliance.1.in
@@ -127,13 +127,14 @@ a valid input (or output) and frequency (when the device has a tuner). For DMABU
The configuration of the driver at the time v4l2-compliance was called
will be used for the streaming tests.
.TP
-\fB\-f\fR, \fB\-\-stream\-all\-formats\fR
+\fB\-f\fR, \fB\-\-stream\-all\-formats\fR \fI[<count>]\fR
Test whether all available formats can be streamed. This attempts to stream using
MMAP mode or read/write (if V4L2_MEMORY_MMAP is not available) for one second for all
formats, at all sizes, at all intervals and with all field values. In addition, if the
driver supports scaling, cropping or composing it will test that as well in various
combinations. If the driver supports a lot of combinations then this test can take
-a long time.
+a long time. If \fI<count>\fR is given, then stream for that many frames instead of
+for one second.
The configuration of the driver at the time v4l2-compliance was called
will be used for the streaming tests.

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