[media] V4L: Add VP8 encoder controls

This patch adds new V4L controls for VP8 encoding.

Signed-off-by: Kiran AVND <avnd.kiran@samsung.com>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index e90a88a8708f..083bb5a5aae2 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -161,6 +161,8 @@ enum v4l2_colorfx {
 #define V4L2_CID_USER_SI476X_BASE               (V4L2_CID_USER_BASE + 0x1040)
 
 /* MPEG-class control IDs */
+/* The MPEG controls are applicable to all codec controls
+ * and the 'MPEG' part of the define is historical */
 
 #define V4L2_CID_MPEG_BASE                      (V4L2_CTRL_CLASS_MPEG | 0x900)
 #define V4L2_CID_MPEG_CLASS                     (V4L2_CTRL_CLASS_MPEG | 1)
@@ -522,6 +524,33 @@ enum v4l2_mpeg_video_mpeg4_profile {
 };
 #define V4L2_CID_MPEG_VIDEO_MPEG4_QPEL          (V4L2_CID_MPEG_BASE+407)
 
+/*  Control IDs for VP8 streams
+ *  Although VP8 is not part of MPEG we add these controls to the MPEG class
+ *  as that class is already handling other video compression standards
+ */
+#define V4L2_CID_MPEG_VIDEO_VPX_NUM_PARTITIONS          (V4L2_CID_MPEG_BASE+500)
+enum v4l2_vp8_num_partitions {
+        V4L2_CID_MPEG_VIDEO_VPX_1_PARTITION     = 0,
+        V4L2_CID_MPEG_VIDEO_VPX_2_PARTITIONS    = 1,
+        V4L2_CID_MPEG_VIDEO_VPX_4_PARTITIONS    = 2,
+        V4L2_CID_MPEG_VIDEO_VPX_8_PARTITIONS    = 3,
+};
+#define V4L2_CID_MPEG_VIDEO_VPX_IMD_DISABLE_4X4         (V4L2_CID_MPEG_BASE+501)
+#define V4L2_CID_MPEG_VIDEO_VPX_NUM_REF_FRAMES          (V4L2_CID_MPEG_BASE+502)
+enum v4l2_vp8_num_ref_frames {
+        V4L2_CID_MPEG_VIDEO_VPX_1_REF_FRAME     = 0,
+        V4L2_CID_MPEG_VIDEO_VPX_2_REF_FRAME     = 1,
+        V4L2_CID_MPEG_VIDEO_VPX_3_REF_FRAME     = 2,
+};
+#define V4L2_CID_MPEG_VIDEO_VPX_FILTER_LEVEL            (V4L2_CID_MPEG_BASE+503)
+#define V4L2_CID_MPEG_VIDEO_VPX_FILTER_SHARPNESS        (V4L2_CID_MPEG_BASE+504)
+#define V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD (V4L2_CID_MPEG_BASE+505)
+#define V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL        (V4L2_CID_MPEG_BASE+506)
+enum v4l2_vp8_golden_frame_sel {
+        V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_PREV           = 0,
+        V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_REF_PERIOD     = 1,
+};
+
 /*  MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
 #define V4L2_CID_MPEG_CX2341X_BASE                              (V4L2_CTRL_CLASS_MPEG | 0x1000)
 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE         (V4L2_CID_MPEG_CX2341X_BASE+0)