From d034696cbe5a6e00f76ca4b7869c6cdef66aebd5 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Thu, 10 Jan 2019 11:56:10 -0500
Subject: media: v4l2-ctrl: Add control for h.264 chroma qp offset
Allow to add fixed quantization parameter offset between luma and
chroma quantization parameters. This control directly corresponds
to the chroma_qp_index_offset field of the h.264 picture parameter
set.
Signed-off-by: Philipp Zabel
Signed-off-by: Hans Verkuil
Signed-off-by: Mauro Carvalho Chehab
---
Documentation/media/uapi/v4l/extended-controls.rst | 5 +++++
1 file changed, 5 insertions(+)
(limited to 'Documentation/media/uapi/v4l/extended-controls.rst')
diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst
index 235d0c2939838..00934efdc9e47 100644
--- a/Documentation/media/uapi/v4l/extended-controls.rst
+++ b/Documentation/media/uapi/v4l/extended-controls.rst
@@ -1158,6 +1158,11 @@ enum v4l2_mpeg_video_h264_entropy_mode -
Enable constrained intra prediction for H264. Applicable to the H264
encoder.
+``V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET (integer)``
+ Specify the offset that should be added to the luma quantization
+ parameter to determine the chroma quantization parameter. Applicable
+ to the H264 encoder.
+
``V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB (integer)``
Cyclic intra macroblock refresh. This is the number of continuous
macroblocks refreshed every frame. Each frame a successive set of
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