marfrit/libva-v4l2-request-fourier
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Implement proper timestamping for references

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Reference frames are now identified using their timestamp:
set the timestamp when queuing the output buffer and use it to identify
the frame later on.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
This commit is contained in:
Paul Kocialkowski
2019-03-07 11:37:53 +01:00
parent 3176adf69c
commit 0c611c6b7a
7 changed files with 33 additions and 21 deletions
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src/mpeg2.c
+11 -12
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@@ -54,6 +54,7 @@ int mpeg2_set_controls(struct request_data *driver_data,
struct v4l2_ctrl_mpeg2_quantization quantization;
struct object_surface *forward_reference_surface;
struct object_surface *backward_reference_surface;
uint64_t timestamp;
unsigned int i;
int rc;
@@ -102,21 +103,19 @@ int mpeg2_set_controls(struct request_data *driver_data,
forward_reference_surface =
SURFACE(driver_data, picture->forward_reference_picture);
if (forward_reference_surface != NULL)
slice_params.forward_ref_index =
forward_reference_surface->destination_index;
else
slice_params.forward_ref_index =
surface_object->destination_index;
if (forward_reference_surface == NULL)
forward_reference_surface = surface_object;
timestamp = v4l2_timeval_to_ns(&forward_reference_surface->timestamp);
slice_params.forward_ref_ts = timestamp;
backward_reference_surface =
SURFACE(driver_data, picture->backward_reference_picture);
if (backward_reference_surface != NULL)
slice_params.backward_ref_index =
backward_reference_surface->destination_index;
else
slice_params.backward_ref_index =
surface_object->destination_index;
if (backward_reference_surface == NULL)
backward_reference_surface = surface_object;
timestamp = v4l2_timeval_to_ns(&backward_reference_surface->timestamp);
slice_params.backward_ref_ts = timestamp;
rc = v4l2_set_control(driver_data->video_fd, surface_object->request_fd,
V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS,