Le lundi 10 septembre 2018 à 12:37 -0300, Ezequiel Garcia a écrit :
> On Mon, 2018-09-10 at 17:00 +0200, Hans Verkuil wrote:
> > From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> >
> > state->info was NULL since I completely forgot to set state->info.
> > Oops.
> >
> > Reported-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
> > Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
>
> For both patches:
>
> Tested-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
>
> With these changes, now this gstreamer pipeline no longer
> crashes:
>
> gst-launch-1.0 -v videotestsrc num-buffers=30 ! video/x-
> raw,width=1280,height=720 ! v4l2fwhtenc capture-io-mode=mmap output-
> io-mode=mmap ! v4l2fwhtdec
> capture-io-mode=mmap output-io-mode=mmap ! fakesink
>
> A few things:
>
> * You now need to mark "[PATCH] vicodec: fix sparse warning" as
> invalid.
> * v4l2fwhtenc/v4l2fwhtdec elements are not upstream yet.
> * Gstreamer doesn't end properly; and it seems to negotiate
Is the driver missing CMD_STOP implementation ? (draining flow)
> different sizes for encoded and decoded unless explicitly set.
>
> Thanks!
>
> > drivers/media/platform/vicodec/vicodec-core.c | 11 +++++++----
> > 1 file changed, 7 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/media/platform/vicodec/vicodec-core.c
> > b/drivers/media/platform/vicodec/vicodec-core.c
> > index fdd77441a47b..5d42a8414283 100644
> > --- a/drivers/media/platform/vicodec/vicodec-core.c
> > +++ b/drivers/media/platform/vicodec/vicodec-core.c
> > @@ -176,12 +176,15 @@ static int device_process(struct vicodec_ctx
> > *ctx,
> > }
> >
> > if (ctx->is_enc) {
> > - unsigned int size = v4l2_fwht_encode(state, p_in,
> > p_out);
> > -
> > - vb2_set_plane_payload(&out_vb->vb2_buf, 0, size);
> > + state->info = q_out->info;
> > + ret = v4l2_fwht_encode(state, p_in, p_out);
> > + if (ret < 0)
> > + return ret;
> > + vb2_set_plane_payload(&out_vb->vb2_buf, 0, ret);
> > } else {
> > + state->info = q_cap->info;
> > ret = v4l2_fwht_decode(state, p_in, p_out);
> > - if (ret)
> > + if (ret < 0)
> > return ret;
> > vb2_set_plane_payload(&out_vb->vb2_buf, 0, q_cap-
> > >sizeimage);
> > }
>
>
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