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[yavta,v3,11/11] Set timestamp for output buffers if the timestamp type is copy

Message ID 1397309043-8322-12-git-send-email-sakari.ailus@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Sakari Ailus April 12, 2014, 1:24 p.m. UTC 
Copy timestamp type will mean the timestamp is be copied from the source to
the destination buffer on mem-to-mem devices.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
---
 yavta.c |   12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
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Patch

diff --git a/yavta.c b/yavta.c
index c878c0d..9eb5e9c 100644
--- a/yavta.c
+++ b/yavta.c
@@ -73,6 +73,7 @@  struct device
 	unsigned int width;
 	unsigned int height;
 	uint32_t buffer_output_flags;
+	uint32_t timestamp_type;
 
 	unsigned char num_planes;
 	struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
@@ -814,6 +815,7 @@  static int video_alloc_buffers(struct device *dev, int nbufs,
 			return ret;
 	}
 
+	dev->timestamp_type = buf.flags & V4L2_BUF_FLAG_TIMESTAMP_MASK;
 	dev->buffers = buffers;
 	dev->nbufs = rb.count;
 	return 0;
@@ -876,8 +878,16 @@  static int video_queue_buffer(struct device *dev, int index, enum buffer_fill_mo
 	buf.type = dev->type;
 	buf.memory = dev->memtype;
 
-	if (dev->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+	if (dev->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
 		buf.flags = dev->buffer_output_flags;
+		if (dev->timestamp_type == V4L2_BUF_FLAG_TIMESTAMP_COPY) {
+			struct timespec ts;
+			
+			clock_gettime(CLOCK_MONOTONIC, &ts);
+			buf.timestamp.tv_sec = ts.tv_sec;
+			buf.timestamp.tv_usec = ts.tv_nsec / 1000;
+		}
+	}
 
 	if (video_is_mplane(dev)) {
 		buf.m.planes = planes;