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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-339a701cbffsm2950074a91.21.2025.10.01.12.00.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Oct 2025 12:00:10 -0700 (PDT) From: Deepa Guthyappa Madivalara Date: Wed, 01 Oct 2025 12:00:04 -0700 Subject: [PATCH 1/5] media: uapi: videodev2: Add support for AV1 stateful decoder Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251001-av1_irisdecoder-v1-1-9fb08f3b96a0@oss.qualcomm.com> References: <20251001-av1_irisdecoder-v1-0-9fb08f3b96a0@oss.qualcomm.com> In-Reply-To: <20251001-av1_irisdecoder-v1-0-9fb08f3b96a0@oss.qualcomm.com> To: Mauro Carvalho Chehab , Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Bryan O'Donoghue Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Deepa Guthyappa Madivalara X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1759345209; l=2422; i=deepa.madivalara@oss.qualcomm.com; s=20250814; h=from:subject:message-id; bh=/rm1Y/tRBwPrsxYpaC+lx0uQgFufvlrB5k6kOnop6/c=; b=FwUQJyOxBbml7pw9V/Ys5GVnoZdTtkEyEOGQk0Uuq8AhzLh7ZnUQ5p4zFEGKUJILkfwMAb4Lm bPdsvL/RRqFBI5PUHQph+15o9hqW8aKW9BXY7qK3FLFXygM3XQpCLrx X-Developer-Key: i=deepa.madivalara@oss.qualcomm.com; a=ed25519; pk=MOEXgyokievn+bgpHdS6Ixh/KQYyS90z2mqIbQ822FQ= X-Authority-Analysis: v=2.4 cv=RZKdyltv c=1 sm=1 tr=0 ts=68dd7a41 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=EUspDBNiAAAA:8 a=5q8hE9cQKCNJD2usWYQA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-GUID: 9fm8WtVkoGqZ8un4A13wNFS0PGIayWMT X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI3MDAzMyBTYWx0ZWRfX3jequXbLitlg WfKjcjzUPtQ1AleiaP2TkVfVvJXzrFqkNLWg9XlGuB3q5M+aDQRtHtyeVmjLvPBVSkhQ4JNu4Rn pTR4acOxmJpF1qBCxBvJIMlL49RKcprZ6rCIp25AtcqN6qD6LSIKNEzaMWhFcxdutpkikN7pyi8 Yw7Q/NQw/NoxOGffM7cLIo4pss9c233DsGTzcqWF/p4a2PolH2iqfyb+FvN/N4rrrm9zHZmtOIh Lq0HdJajEe4R2rU+KOwEbTRGOdiavc2t2KMe9dDDiVPj2ZZvYEM+5MpyQRIViv5uy57Rx93QCGf /OiDDfEkfQasp+4BEtk5asiYHJpFnM7ekDQzZ6np8WS2jYh4Ctjhet8zTPp20xcCCkrq56P9kOr /QGbqRJNZZlj1V8F45c67glBKk5bGg== X-Proofpoint-ORIG-GUID: 9fm8WtVkoGqZ8un4A13wNFS0PGIayWMT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-01_05,2025-09-29_04,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 priorityscore=1501 adultscore=0 phishscore=0 impostorscore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509270033 Introduce a new pixel format, V4L2_PIX_FMT_AV1, to the Video4Linux2(V4L2) API. This format is intended for AV1 bitstreams in stateful decoding/encoding workflows. The fourcc code 'AV10' is used to distinguish this format from the existing V4L2_PIX_FMT_AV1_FRAME, which is used for stateless AV1 decoder implementation. Signed-off-by: Deepa Guthyappa Madivalara --- Documentation/userspace-api/media/v4l/pixfmt-compressed.rst | 8 ++++++++ include/uapi/linux/videodev2.h | 1 + 2 files changed, 9 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst b/= Documentation/userspace-api/media/v4l/pixfmt-compressed.rst index 806ed73ac474ce0e6df00f902850db9fd0db240e..043ec57d7d48a36005f2a0121a5= bc7b733d06590 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst @@ -274,6 +274,14 @@ Compressed Formats of macroblocks to decode a full corresponding frame to the matching capture buffer. =20 + * .. _V4L2-PIX-FMT-AV1: + + - ``V4L2_PIX_FMT_AV1`` + - 'AV10' + - AV1 compressed video frame. This format is adapted for implementin= g AV1 + pipeline as stateful video decoder. The decoder expects one Tempor= al + Unit per buffer from OBU-stream or AnnexB. + The encoder generates one Temporal Unit per buffer. .. raw:: latex =20 \normalsize diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index becd08fdbddb857f8f2bf205d2164dc6e20e80b2..4c07ad6afd45d6a56d19d65fd25= f091d81725823 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -775,6 +775,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 pa= rsed slices */ #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC pa= rsed slices */ #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 pars= ed frame */ +#define V4L2_PIX_FMT_AV1 v4l2_fourcc('A', 'V', '1', '0') /* AV1 (stat= eful) */ #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson = Spark */ #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo= 8 */ #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo= 9 & 10 */ --=20 2.34.1