[PATCH v3 1/4] media: v4l2-ctrls: Add new V4L2_H264_DECODE_PARAM_FLAG_P/BFRAME flags

Dmitry Osipenko
2022-02-07T14:46:48Z

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.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
.../userspace-api/media/v4l/ext-ctrls-codec-stateless.rst | 6 ++++++
include/uapi/linux/v4l2-controls.h | 2 ++
2 files changed, 8 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst
index cc080c4257d0..f87584ad90ba 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst
+++ b/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

diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index c8e0f84d204d..e3d48d571062 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/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)
/**
--
2.34.1