media: v4l2-ctrls: Add new V4L2_H264_DECODE_PARAM_FLAG_P/BFRAME flags

Add new V4L2_H264_DECODE_PARAM_FLAG_P/BFRAME flags that are needed by
NVIDIA Tegra video decoder. Userspace will have to set these flags in
accordance to the type of a decoded frame.
Reviewed-by: Nicolas Dufresne <nicolas@collabora.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst

@@ -616,6 +616,12 @@ Stateless Codec Control ID
     * - ``V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD``
       - 0x00000004
       -
+    * - ``V4L2_H264_DECODE_PARAM_FLAG_PFRAME``
+      - 0x00000008
+      -
+    * - ``V4L2_H264_DECODE_PARAM_FLAG_BFRAME``
+      - 0x00000010
+      -
 
 .. raw:: latex
 

include/uapi/linux/v4l2-controls.h

@@ -1563,6 +1563,8 @@ struct v4l2_h264_dpb_entry {
 #define V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC		0x01
 #define V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC		0x02
 #define V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD	0x04
+#define V4L2_H264_DECODE_PARAM_FLAG_PFRAME		0x08
+#define V4L2_H264_DECODE_PARAM_FLAG_BFRAME		0x10
 
 #define V4L2_CID_STATELESS_H264_DECODE_PARAMS	(V4L2_CID_CODEC_STATELESS_BASE + 7)
 /**