Hi Jacek,
On Wed, Oct 12, 2016 at 04:35:20PM +0200, Jacek Anaszewski wrote:
> Add a function for obtaining colorspace name by id.
>
> Signed-off-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> ---
> utils/media-ctl/libv4l2subdev.c | 32 ++++++++++++++++++++++++++++++++
> utils/media-ctl/v4l2subdev.h | 10 ++++++++++
> 2 files changed, 42 insertions(+)
>
> diff --git a/utils/media-ctl/libv4l2subdev.c b/utils/media-ctl/libv4l2subdev.c
> index 4f8ee7f..31393bb 100644
> --- a/utils/media-ctl/libv4l2subdev.c
> +++ b/utils/media-ctl/libv4l2subdev.c
> @@ -33,6 +33,7 @@
> #include <unistd.h>
>
> #include <linux/v4l2-subdev.h>
> +#include <linux/videodev2.h>
>
> #include "mediactl.h"
> #include "mediactl-priv.h"
> @@ -831,6 +832,37 @@ const char *v4l2_subdev_pixelcode_to_string(enum v4l2_mbus_pixelcode code)
> return "unknown";
> }
>
> +static struct {
static const
> + const char *name;
> + enum v4l2_colorspace cs;
> +} colorspaces[] = {
> + { "DEFAULT", V4L2_COLORSPACE_DEFAULT },
> + { "SMPTE170M", V4L2_COLORSPACE_SMPTE170M },
> + { "SMPTE240M", V4L2_COLORSPACE_SMPTE240M },
> + { "REC709", V4L2_COLORSPACE_REC709 },
> + { "BT878", V4L2_COLORSPACE_BT878 },
> + { "470_SYSTEM_M", V4L2_COLORSPACE_470_SYSTEM_M },
> + { "470_SYSTEM_BG", V4L2_COLORSPACE_470_SYSTEM_BG },
> + { "JPEG", V4L2_COLORSPACE_JPEG },
> + { "SRGB", V4L2_COLORSPACE_SRGB },
> + { "ADOBERGB", V4L2_COLORSPACE_ADOBERGB },
> + { "BT2020", V4L2_COLORSPACE_BT2020 },
> + { "RAW", V4L2_COLORSPACE_RAW },
> + { "DCI_P3", V4L2_COLORSPACE_DCI_P3 },
> +};
> +
> +const char *v4l2_subdev_colorspace_to_string(enum v4l2_colorspace cs)
> +{
> + unsigned int i;
> +
> + for (i = 0; i < ARRAY_SIZE(colorspaces); ++i) {
> + if (colorspaces[i].cs == cs)
> + return colorspaces[i].name;
> + }
> +
> + return "unknown";
> +}
> +
> enum v4l2_mbus_pixelcode v4l2_subdev_string_to_pixelcode(const char *string)
> {
> unsigned int i;
> diff --git a/utils/media-ctl/v4l2subdev.h b/utils/media-ctl/v4l2subdev.h
> index 4dee6b1..cf1250d 100644
> --- a/utils/media-ctl/v4l2subdev.h
> +++ b/utils/media-ctl/v4l2subdev.h
> @@ -278,6 +278,16 @@ int v4l2_subdev_parse_setup_formats(struct media_device *media, const char *p);
> const char *v4l2_subdev_pixelcode_to_string(enum v4l2_mbus_pixelcode code);
>
> /**
> + * @brief Convert colorspace to string.
> + * @param code - input string
> + *
> + * Convert colorspace @a to a human-readable string.
@a code ?
With these,
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> + *
> + * @return A pointer to a string on success, NULL on failure.
> + */
> +const char *v4l2_subdev_colorspace_to_string(enum v4l2_colorspace cs);
> +
> +/**
> * @brief Parse string to media bus pixel code.
> * @param string - nul terminalted string, textual media bus pixel code
> *
--
Regards,
Sakari Ailus
e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx
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