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Commit 3a549bee authored by Tiffany Lin's avatar Tiffany Lin Committed by Mauro Carvalho Chehab
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[media] vcodec: mediatek: Add g/s_selection support for V4L2 Encoder 



This patch add g/s_selection for MT8173 V4L2 Encoder.
Only output queue support g/s_selection to configure crop.
The top/left of active rectangle should always be (0,0)

Signed-off-by: default avatarTiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 43c784aa

drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c

+66 −0
Original line number Diff line number Diff line
@@ -631,6 +631,69 @@ static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv, 
	return vidioc_try_fmt(f, fmt);

}



static int vidioc_venc_g_selection(struct file *file, void *priv,

				     struct v4l2_selection *s)

{

	struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);

	struct mtk_q_data *q_data;



	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)

		return -EINVAL;



	q_data = mtk_venc_get_q_data(ctx, s->type);

	if (!q_data)

		return -EINVAL;



	switch (s->target) {

	case V4L2_SEL_TGT_CROP_DEFAULT:

	case V4L2_SEL_TGT_CROP_BOUNDS:

		s->r.top = 0;

		s->r.left = 0;

		s->r.width = q_data->coded_width;

		s->r.height = q_data->coded_height;

		break;

	case V4L2_SEL_TGT_CROP:

		s->r.top = 0;

		s->r.left = 0;

		s->r.width = q_data->visible_width;

		s->r.height = q_data->visible_height;

		break;

	default:

		return -EINVAL;

	}



	return 0;

}



static int vidioc_venc_s_selection(struct file *file, void *priv,

				     struct v4l2_selection *s)

{

	struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);

	struct mtk_q_data *q_data;



	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)

		return -EINVAL;



	q_data = mtk_venc_get_q_data(ctx, s->type);

	if (!q_data)

		return -EINVAL;



	switch (s->target) {

	case V4L2_SEL_TGT_CROP:

		/* Only support crop from (0,0) */

		s->r.top = 0;

		s->r.left = 0;

		s->r.width = min(s->r.width, q_data->coded_width);

		s->r.height = min(s->r.height, q_data->coded_height);

		q_data->visible_width = s->r.width;

		q_data->visible_height = s->r.height;

		break;

	default:

		return -EINVAL;

	}

	return 0;

}



static int vidioc_venc_qbuf(struct file *file, void *priv,

			    struct v4l2_buffer *buf)

{
@@ -689,6 +752,9 @@ const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = { 


	.vidioc_create_bufs		= v4l2_m2m_ioctl_create_bufs,

	.vidioc_prepare_buf		= v4l2_m2m_ioctl_prepare_buf,



	.vidioc_g_selection		= vidioc_venc_g_selection,

	.vidioc_s_selection		= vidioc_venc_s_selection,

};



static int vb2ops_venc_queue_setup(struct vb2_queue *vq,