[src/trunk]: src/sys/dev fill in timestamps in outgoing data buffers

[drochner <drochner%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/89096d3847a0
branches:  trunk
changeset: 773455:89096d3847a0
user:      drochner <drochner%NetBSD.org@localhost>
date:      Thu Feb 02 17:21:18 2012 +0000

description:
fill in timestamps in outgoing data buffers

diffstat:

 sys/dev/video.c |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (40 lines):

diff -r d593ade83a7e -r 89096d3847a0 sys/dev/video.c
--- a/sys/dev/video.c   Thu Feb 02 16:59:42 2012 +0000
+++ b/sys/dev/video.c   Thu Feb 02 17:21:18 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: video.c,v 1.27 2011/08/13 02:49:06 jakllsch Exp $ */
+/* $NetBSD: video.c,v 1.28 2012/02/02 17:21:18 drochner Exp $ */
 
 /*
  * Copyright (c) 2008 Patrick Mahoney <pat%polycrystal.org@localhost>
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: video.c,v 1.27 2011/08/13 02:49:06 jakllsch Exp $");
+__KERNEL_RCSID(0, "$NetBSD: video.c,v 1.28 2012/02/02 17:21:18 drochner Exp $");
 
 #include "video.h"
 #if NVIDEO > 0
@@ -2506,6 +2506,12 @@
        }
 }
 
+static void
+v4l2buf_set_timestamp(struct v4l2_buffer *buf)
+{
+
+       getmicrotime(&buf->timestamp);
+}
 
 /*
  * write payload data to the appropriate video sample, possibly moving
@@ -2534,6 +2540,8 @@
        } else if (payload->size > 0) {
                vb = SIMPLEQ_FIRST(&vs->vs_ingress);
                buf = vb->vb_buf;
+               if (!buf->bytesused)
+                       v4l2buf_set_timestamp(buf);
                if (payload->size > buf->length - buf->bytesused) {
                        DPRINTF(("video_stream_write: "
                                 "payload would overflow\n"));