From: Hans Verkuil <hans.verk...@cisco.com>
- Set the sequence counters correctly.
- Copy timestamps, timecode, relevant buffer flags and field from
the received buffer to the outgoing buffer.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/media/platform/mem2mem_testdev.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/media/platform/mem2mem_testdev.c
b/drivers/media/platform/mem2mem_testdev.c
index 2ea27cc..4a25940 100644
--- a/drivers/media/platform/mem2mem_testdev.c
+++ b/drivers/media/platform/mem2mem_testdev.c
@@ -112,6 +112,7 @@ struct m2mtest_q_data {
unsigned int width;
unsigned int height;
unsigned int sizeimage;
+ unsigned int sequence;
struct m2mtest_fmt *fmt;
};
@@ -234,9 +235,20 @@ static int device_process(struct m2mtest_ctx *ctx,
bytes_left = bytesperline - tile_w * MEM2MEM_NUM_TILES;
w = 0;
+ out_vb->v4l2_buf.sequence = get_q_data(ctx,
V4L2_BUF_TYPE_VIDEO_CAPTURE)->sequence++;
+ in_vb->v4l2_buf.sequence = q_data->sequence++;
memcpy(&out_vb->v4l2_buf.timestamp,
&in_vb->v4l2_buf.timestamp,
sizeof(struct timeval));
+ if (in_vb->v4l2_buf.flags & V4L2_BUF_FLAG_TIMECODE)
+ memcpy(&out_vb->v4l2_buf.timecode, &in_vb->v4l2_buf.timecode,
+ sizeof(struct v4l2_timecode));
+ out_vb->v4l2_buf.field = in_vb->v4l2_buf.field;
+ out_vb->v4l2_buf.flags = in_vb->v4l2_buf.flags &
+ (V4L2_BUF_FLAG_TIMECODE |
+ V4L2_BUF_FLAG_KEYFRAME |
+ V4L2_BUF_FLAG_PFRAME |
+ V4L2_BUF_FLAG_BFRAME);
switch (ctx->mode) {
case MEM2MEM_HFLIP | MEM2MEM_VFLIP:
@@ -762,9 +774,19 @@ static int m2mtest_buf_prepare(struct vb2_buffer *vb)
static void m2mtest_buf_queue(struct vb2_buffer *vb)
{
struct m2mtest_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
}
+static int m2mtest_start_streaming(struct vb2_queue *q, unsigned count)
+{
+ struct m2mtest_ctx *ctx = vb2_get_drv_priv(q);
+ struct m2mtest_q_data *q_data = get_q_data(ctx, q->type);
+
+ q_data->sequence = 0;
+ return 0;
+}
+
static void m2mtest_stop_streaming(struct vb2_queue *q)
{
struct m2mtest_ctx *ctx = vb2_get_drv_priv(q);
@@ -788,6 +810,7 @@ static struct vb2_ops m2mtest_qops = {
.queue_setup = m2mtest_queue_setup,
.buf_prepare = m2mtest_buf_prepare,
.buf_queue = m2mtest_buf_queue,
+ .start_streaming = m2mtest_start_streaming,
.stop_streaming = m2mtest_stop_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
--
1.9.0
--
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