Hi,
Le lundi 03 juin 2019 à 13:09 +0200, Boris Brezillon a écrit :
> We are about to add a menu control, so let's make the code more generic
> to support other control types.
Did you have a chance to test this or should I better give it a spin
before adding my Reviewed-By?
Cheers,
Paul
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
> ---
> drivers/staging/media/sunxi/cedrus/cedrus.c | 47 ++++++++++++---------
> drivers/staging/media/sunxi/cedrus/cedrus.h | 3 +-
> 2 files changed, 29 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c
> index 370937edfc14..378032fe71f9 100644
> --- a/drivers/staging/media/sunxi/cedrus/cedrus.c
> +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c
> @@ -29,44 +29,44 @@
>
> static const struct cedrus_control cedrus_controls[] = {
> {
> - .id = V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS,
> - .elem_size = sizeof(struct v4l2_ctrl_mpeg2_slice_params),
> + .cfg.id = V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS,
> + .cfg.elem_size = sizeof(struct v4l2_ctrl_mpeg2_slice_params),
> .codec = CEDRUS_CODEC_MPEG2,
> .required = true,
> },
> {
> - .id = V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION,
> - .elem_size = sizeof(struct v4l2_ctrl_mpeg2_quantization),
> + .cfg.id = V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION,
> + .cfg.elem_size = sizeof(struct v4l2_ctrl_mpeg2_quantization),
> .codec = CEDRUS_CODEC_MPEG2,
> .required = false,
> },
> {
> - .id = V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS,
> - .elem_size = sizeof(struct v4l2_ctrl_h264_decode_params),
> + .cfg.id = V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS,
> + .cfg.elem_size = sizeof(struct v4l2_ctrl_h264_decode_params),
> .codec = CEDRUS_CODEC_H264,
> .required = true,
> },
> {
> - .id = V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS,
> - .elem_size = sizeof(struct v4l2_ctrl_h264_slice_params),
> + .cfg.id = V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS,
> + .cfg.elem_size = sizeof(struct v4l2_ctrl_h264_slice_params),
> .codec = CEDRUS_CODEC_H264,
> .required = true,
> },
> {
> - .id = V4L2_CID_MPEG_VIDEO_H264_SPS,
> - .elem_size = sizeof(struct v4l2_ctrl_h264_sps),
> + .cfg.id = V4L2_CID_MPEG_VIDEO_H264_SPS,
> + .cfg.elem_size = sizeof(struct v4l2_ctrl_h264_sps),
> .codec = CEDRUS_CODEC_H264,
> .required = true,
> },
> {
> - .id = V4L2_CID_MPEG_VIDEO_H264_PPS,
> - .elem_size = sizeof(struct v4l2_ctrl_h264_pps),
> + .cfg.id = V4L2_CID_MPEG_VIDEO_H264_PPS,
> + .cfg.elem_size = sizeof(struct v4l2_ctrl_h264_pps),
> .codec = CEDRUS_CODEC_H264,
> .required = true,
> },
> {
> - .id = V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX,
> - .elem_size = sizeof(struct v4l2_ctrl_h264_scaling_matrix),
> + .cfg.id = V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX,
> + .cfg.elem_size = sizeof(struct v4l2_ctrl_h264_scaling_matrix),
> .codec = CEDRUS_CODEC_H264,
> .required = true,
> },
> @@ -106,12 +106,21 @@ static int cedrus_init_ctrls(struct cedrus_dev *dev, struct cedrus_ctx *ctx)
> return -ENOMEM;
>
> for (i = 0; i < CEDRUS_CONTROLS_COUNT; i++) {
> - struct v4l2_ctrl_config cfg = {};
> + const struct v4l2_ctrl_config *cfg = &cedrus_controls[i].cfg;
>
> - cfg.elem_size = cedrus_controls[i].elem_size;
> - cfg.id = cedrus_controls[i].id;
> + if (cfg->elem_size)
> + ctrl = v4l2_ctrl_new_custom(hdl, cfg, NULL);
> + else if (cfg->type == V4L2_CTRL_TYPE_MENU ||
> + cfg->type == V4L2_CTRL_TYPE_INTEGER_MENU)
> + ctrl = v4l2_ctrl_new_std_menu(hdl, NULL,
> + cfg->id, cfg->max,
> + cfg->menu_skip_mask,
> + cfg->def);
> + else
> + ctrl = v4l2_ctrl_new_std(hdl, NULL, cfg->id, cfg->min,
> + cfg->max, cfg->step,
> + cfg->def);
>
> - ctrl = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
> if (hdl->error) {
> v4l2_err(&dev->v4l2_dev,
> "Failed to create new custom control\n");
> @@ -178,7 +187,7 @@ static int cedrus_request_validate(struct media_request *req)
> continue;
>
> ctrl_test = v4l2_ctrl_request_hdl_ctrl_find(hdl,
> - cedrus_controls[i].id);
> + cedrus_controls[i].cfg.id);
> if (!ctrl_test) {
> v4l2_info(&ctx->dev->v4l2_dev,
> "Missing required codec control\n");
> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h
> index 3f476d0fd981..69c037724d93 100644
> --- a/drivers/staging/media/sunxi/cedrus/cedrus.h
> +++ b/drivers/staging/media/sunxi/cedrus/cedrus.h
> @@ -49,8 +49,7 @@ enum cedrus_h264_pic_type {
> };
>
> struct cedrus_control {
> - u32 id;
> - u32 elem_size;
> + struct v4l2_ctrl_config cfg;
> enum cedrus_codec codec;
> unsigned char required:1;
> };
