From f13b6014af30426eef07bb798afc98a5dbd63975 Mon Sep 17 00:00:00 2001 From: Jonas Karlman Date: Tue, 29 Oct 2019 01:26:01 +0000 Subject: [PATCH] RFC: media: uapi: h264: Add DPB entry field reference flags Add DPB entry flags to help indicate when a reference frame is a field picture and how the DPB entry is referenced, top or bottom field or full frame. Signed-off-by: Jonas Karlman --- Documentation/media/uapi/v4l/ext-ctrls-codec.rst | 12 ++++++++++++ include/media/h264-ctrls.h | 4 ++++ 2 files changed, 16 insertions(+) diff --git a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst index 28313c0f4e7c..d472a54d1c4d 100644 --- a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst +++ b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst @@ -2028,6 +2028,18 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type - V4L2_H264_DPB_ENTRY_FLAG_FIELD is set but V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD is not, that means the DPB entry is a top field reference + * - ``V4L2_H264_DPB_ENTRY_FLAG_FIELD_PICTURE`` + - 0x00000008 + - The DPB entry is a field picture + * - ``V4L2_H264_DPB_ENTRY_FLAG_REF_TOP`` + - 0x00000010 + - The DPB entry is a top field reference + * - ``V4L2_H264_DPB_ENTRY_FLAG_REF_BOTTOM`` + - 0x00000020 + - The DPB entry is a bottom field reference + * - ``V4L2_H264_DPB_ENTRY_FLAG_REF_FRAME`` + - 0x00000030 + - The DPB entry is a reference frame ``V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE (enum)`` Specifies the decoding mode to use. Currently exposes slice-based and diff --git a/include/media/h264-ctrls.h b/include/media/h264-ctrls.h index e877bf1d537c..76020ebd1e6c 100644 --- a/include/media/h264-ctrls.h +++ b/include/media/h264-ctrls.h @@ -185,6 +185,10 @@ struct v4l2_ctrl_h264_slice_params { #define V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM 0x04 #define V4L2_H264_DPB_ENTRY_FLAG_FIELD 0x08 #define V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD 0x10 +#define V4L2_H264_DPB_ENTRY_FLAG_FIELD_PICTURE 0x08 +#define V4L2_H264_DPB_ENTRY_FLAG_REF_TOP 0x10 +#define V4L2_H264_DPB_ENTRY_FLAG_REF_BOTTOM 0x20 +#define V4L2_H264_DPB_ENTRY_FLAG_REF_FRAME 0x30 struct v4l2_h264_dpb_entry { __u64 reference_ts;