linux-kernel - [PATCH 1/2] media: uapi: add WebP VP8 frame flag

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Message-ID: <20240911135011.161217-2-hugues.fruchet@foss.st.com>
Date: Wed, 11 Sep 2024 15:50:10 +0200
From: Hugues Fruchet <hugues.fruchet@...s.st.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
        Ezequiel Garcia
	<ezequiel@...guardiasur.com.ar>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Hans
 Verkuil <hverkuil-cisco@...all.nl>,
        Fritz Koenig <frkoenig@...omium.org>,
        Sebastian Fricke <sebastian.fricke@...labora.com>,
        Daniel Almeida
	<daniel.almeida@...labora.com>,
        Andrzej Pietrasiewicz
	<andrzej.p@...labora.com>,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-rockchip@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>
CC: Hugues Fruchet <hugues.fruchet@...s.st.com>
Subject: [PATCH 1/2] media: uapi: add WebP VP8 frame flag

Add a flag indicating that VP8 bitstream is a WebP picture.

Signed-off-by: Hugues Fruchet <hugues.fruchet@...s.st.com>
---
 .../userspace-api/media/v4l/ext-ctrls-codec-stateless.rst      | 3 +++
 include/uapi/linux/v4l2-controls.h                             | 1 +
 2 files changed, 4 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 0da635691fdc..bb08aacddc9c 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst
@@ -1062,6 +1062,9 @@ FWHT Flags
     * - ``V4L2_VP8_FRAME_FLAG_SIGN_BIAS_ALT``
       - 0x20
       - Sign of motion vectors when the alt frame is referenced.
+    * - ``V4L2_VP8_FRAME_FLAG_WEBP``
+      - 0x40
+      - Indicates that this frame is a WebP picture.
 
 .. c:type:: v4l2_vp8_entropy_coder_state
 
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 974fd254e573..e41b62f2cb2b 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -1897,6 +1897,7 @@ struct v4l2_vp8_entropy_coder_state {
 #define V4L2_VP8_FRAME_FLAG_MB_NO_SKIP_COEFF	0x08
 #define V4L2_VP8_FRAME_FLAG_SIGN_BIAS_GOLDEN	0x10
 #define V4L2_VP8_FRAME_FLAG_SIGN_BIAS_ALT	0x20
+#define V4L2_VP8_FRAME_FLAG_WEBP		0x40
 
 #define V4L2_VP8_FRAME_IS_KEY_FRAME(hdr) \
 	(!!((hdr)->flags & V4L2_VP8_FRAME_FLAG_KEY_FRAME))
-- 
2.25.1