Add a new control class to hold the stateless codecs controls
that are ready to be moved out of staging.
Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
Tested-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
---
.../userspace-api/media/v4l/vidioc-g-ext-ctrls.rst | 4 ++++
drivers/media/v4l2-core/v4l2-ctrls.c | 5 +++++
include/uapi/linux/v4l2-controls.h | 7 +++++++
3 files changed, 16 insertions(+)
diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
index 8b2029d1390b..0980190d6070 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
@@ -362,6 +362,10 @@ still cause this situation.
- 0xa30000
- The class containing motion or object detection controls. These controls
are described in :ref:`detect-controls`.
+ * - ``V4L2_CTRL_CLASS_CODEC_STATELESS``
+ - 0xa40000
+ - The class containing stateless codec controls. These controls are
+ described in :ref:`codec-stateless-controls`.
Return Value
============
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 6a17a7487459..fa96e6aa0a86 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -1181,6 +1181,10 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: return "MD Global Threshold";
case V4L2_CID_DETECT_MD_THRESHOLD_GRID: return "MD Threshold Grid";
case V4L2_CID_DETECT_MD_REGION_GRID: return "MD Region Grid";
+
+ /* Stateless Codec controls */
+ /* Keep the order of the 'case's the same as in v4l2-controls.h! */
+ case V4L2_CID_CODEC_STATELESS_CLASS: return "Stateless Codec Controls";
default:
return NULL;
}
@@ -1368,6 +1372,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_FM_RX_CLASS:
case V4L2_CID_RF_TUNER_CLASS:
case V4L2_CID_DETECT_CLASS:
+ case V4L2_CID_CODEC_STATELESS_CLASS:
*type = V4L2_CTRL_TYPE_CTRL_CLASS;
/* You can neither read not write these */
*flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY;
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 75cf87b9a377..90478ecc2f81 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -65,6 +65,7 @@
#define V4L2_CTRL_CLASS_FM_RX 0x00a10000 /* FM Receiver controls */
#define V4L2_CTRL_CLASS_RF_TUNER 0x00a20000 /* RF tuner controls */
#define V4L2_CTRL_CLASS_DETECT 0x00a30000 /* Detection controls */
+#define V4L2_CTRL_CLASS_CODEC_STATELESS 0x00a40000 /* Stateless codecs controls */
/* User-class control IDs */
@@ -1177,6 +1178,12 @@ enum v4l2_detect_md_mode {
#define V4L2_CID_DETECT_MD_THRESHOLD_GRID (V4L2_CID_DETECT_CLASS_BASE + 3)
#define V4L2_CID_DETECT_MD_REGION_GRID (V4L2_CID_DETECT_CLASS_BASE + 4)
+
+/* Stateless CODECs controls */
+#define V4L2_CID_CODEC_STATELESS_BASE (V4L2_CTRL_CLASS_CODEC_STATELESS | 0x900)
+#define V4L2_CID_CODEC_STATELESS_CLASS (V4L2_CTRL_CLASS_CODEC_STATELESS | 1)
+
+
/* MPEG-compression definitions kept for backwards compatibility */
#ifndef __KERNEL__
#define V4L2_CTRL_CLASS_MPEG V4L2_CTRL_CLASS_CODEC
--
2.27.0
