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SubjectRe: [PATCH] media: venus: add support for selection rectangles
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Hi Malathi,

On 10/09/2018 10:53 AM, Malathi Gottam wrote:
> Handles target type crop by setting the new active rectangle
> to hardware. The new rectangle should be within YUV size.
>
> Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
> ---
> drivers/media/platform/qcom/venus/venc.c | 19 +++++++++++++++++--
> 1 file changed, 17 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index 3f50cd0..754c19a 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -478,16 +478,31 @@ static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
> venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
> {
> struct venus_inst *inst = to_inst(file);
> + int ret;
> + u32 buftype;
>
> if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
> return -EINVAL;
>
> switch (s->target) {
> case V4L2_SEL_TGT_CROP:
> - if (s->r.width != inst->out_width ||
> - s->r.height != inst->out_height ||
> + if (s->r.width > inst->out_width ||
> + s->r.height > inst->out_height ||
> s->r.top != 0 || s->r.left != 0)
> return -EINVAL;
> + if (s->r.width != inst->width ||
> + s->r.height != inst->height) {
> + buftype = HFI_BUFFER_OUTPUT;
> + ret = venus_helper_set_output_resolution(inst,
> + s->r.width,
> + s->r.height,
> + buftype);

I'm afraid that set_output_resolution cannot be called at any time. Do
you think we can set it after start_session?

--
regards,
Stan

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