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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-32a698ad4c1sm1875866a91.5.2025.09.02.16.00.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Sep 2025 16:00:24 -0700 (PDT) From: DEEPA GUTHYAPPA MADIVALARA Date: Tue, 02 Sep 2025 16:00:03 -0700 Subject: [PATCH RFC 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: <20250902-rfc_split-v1-1-47307a70c061@oss.qualcomm.com> References: <20250902-rfc_split-v1-0-47307a70c061@oss.qualcomm.com> In-Reply-To: <20250902-rfc_split-v1-0-47307a70c061@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=1756854022; l=1406; i=deepa.madivalara@oss.qualcomm.com; s=20250814; h=from:subject:message-id; bh=9diWrH9N5RpjQbMIIxnIo3abYGeeRjuqJqXrS6LtQxo=; b=S/rVnIQnSXBlMIwhSoKVKh+SSJ4WhN7bPVyO4tyCvtJ4Azh5w/8zXTzmXk3tGKXHuL/BkdfTt y61Mczn9I3kA/7rjvUwC/91aBUTic5oT9aySCENvh2aFKeA0EjtrSJ7 X-Developer-Key: i=deepa.madivalara@oss.qualcomm.com; a=ed25519; pk=MOEXgyokievn+bgpHdS6Ixh/KQYyS90z2mqIbQ822FQ= X-Authority-Analysis: v=2.4 cv=OemYDgTY c=1 sm=1 tr=0 ts=68b7770b cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=azbmn2n0SzSwlCbfrkoA:9 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-GUID: sn-rkpaE37cxKaEnfUC_IWLkH6aEXfhq X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODMwMDAyNCBTYWx0ZWRfX+brBALHNxiq6 IwEgd735Oy4965eiYAkYpIyQBj5NamRAEDQNIvSSlO+n8yYpCHy7jUWEVYwUA1aZESdI7jDeNao dtsXjmeoNwYKWlsq2KLkaO3GxMLYC+5apvCd5b2QuL/JIfEX7Jl3hHymMzsRgnDARqF+HQdY1qH ThwY0I/LLAdRrAed1NDL4pxpdKGuz13Ey/KGKg5SbahwbVIMQl8/JwM5lSYh6CsBGuTbjVZnBgt uh1OR5K4FaFZOdGk0GkxQy1OBbgx2ug3ZPEx5elxu60bNeNou5agBjPK6EAWt9mQAm7/yL3yhLj KmYjlsNJ09kPiQpilvdkvwGOyyF/hYqpyLF9IsZ/QE8J10+6wEbdQIf/CdA/D7NptFndjb1zHM5 Z2XKK8Yl X-Proofpoint-ORIG-GUID: sn-rkpaE37cxKaEnfUC_IWLkH6aEXfhq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-02_08,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 spamscore=0 bulkscore=0 priorityscore=1501 adultscore=0 clxscore=1011 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508300024 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 --- include/uapi/linux/videodev2.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 3dd9fa45dde1066d52a68581625a39e7ec92c9b7..bff42a71c67b3f4b570dd6f3d25= 0f1bb482ec8ae 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