From 7ce6fd8f186ba6bd22886f5d935088ff80a74277 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Tue, 25 Feb 2014 19:08:52 -0300 Subject: [PATCH] [media] v4l: Handle buffer timestamp flags correctly For COPY timestamps, buffer timestamp source flags will traverse the queue untouched. Signed-off-by: Sakari Ailus Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/v4l2-core/videobuf2-core.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 42a856813d06..79eb9ba819dc 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -488,7 +488,16 @@ static void __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b) * Clear any buffer state related flags. */ b->flags &= ~V4L2_BUFFER_MASK_FLAGS; - b->flags |= q->timestamp_flags; + b->flags |= q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK; + if ((q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) != + V4L2_BUF_FLAG_TIMESTAMP_COPY) { + /* + * For non-COPY timestamps, drop timestamp source bits + * and obtain the timestamp source from the queue. + */ + b->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK; + b->flags |= q->timestamp_flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK; + } switch (vb->state) { case VB2_BUF_STATE_QUEUED: @@ -1031,6 +1040,16 @@ static void __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b /* Zero flags that the vb2 core handles */ vb->v4l2_buf.flags = b->flags & ~V4L2_BUFFER_MASK_FLAGS; + if ((vb->vb2_queue->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) != + V4L2_BUF_FLAG_TIMESTAMP_COPY || !V4L2_TYPE_IS_OUTPUT(b->type)) { + /* + * Non-COPY timestamps and non-OUTPUT queues will get + * their timestamp and timestamp source flags from the + * queue. + */ + vb->v4l2_buf.flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK; + } + if (V4L2_TYPE_IS_OUTPUT(b->type)) { /* * For output buffers mask out the timecode flag: