The comments I made before about start_streaming and the use of struct
venus_ctrl
apply here as well and I won't repeat them.
On 11/07/2016 06:33 PM, Stanimir Varbanov wrote:
> This adds encoder part of the driver plus encoder controls.
>
> Signed-off-by: Stanimir Varbanov <stanimir.varba...@linaro.org>
> ---
> drivers/media/platform/qcom/venus/venc.c | 1212
> ++++++++++++++++++++++++
> drivers/media/platform/qcom/venus/venc.h | 32 +
> drivers/media/platform/qcom/venus/venc_ctrls.c | 396 ++++++++
> 3 files changed, 1640 insertions(+)
> create mode 100644 drivers/media/platform/qcom/venus/venc.c
> create mode 100644 drivers/media/platform/qcom/venus/venc.h
> create mode 100644 drivers/media/platform/qcom/venus/venc_ctrls.c
>
> diff --git a/drivers/media/platform/qcom/venus/venc.c
> b/drivers/media/platform/qcom/venus/venc.c
> new file mode 100644
> index 000000000000..35572eaffb9e
> --- /dev/null
> +++ b/drivers/media/platform/qcom/venus/venc.c
<snip>
> +static int
> +venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
> +{
> + struct venus_inst *inst = to_inst(file);
> +
> + 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 ||
> + s->r.top != 0 || s->r.left != 0)
> + return -EINVAL;
> + break;
> + default:
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
Why implement s_selection if I can't change the selection?
> +
> +static int
> +venc_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *b)
> +{
> + struct vb2_queue *queue = to_vb2q(file, b->type);
> +
> + if (!queue)
> + return -EINVAL;
> +
> + return vb2_reqbufs(queue, b);
> +}
Use the m2m helpers if at all possible.
Regards,
Hans
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