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Tue, 20 Dec 2022 08:39:49 +0000 From: Ming Qian To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl Cc: shawnguo@kernel.org, robh+dt@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, xiahong.bao@nxp.com, ming.zhou@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/2] media: add RealMedia format Date: Tue, 20 Dec 2022 16:39:19 +0800 Message-Id: <969b6905c945a1cf0986a2188290ddf3c52c5511.1671525379.git.ming.qian@nxp.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: References: X-ClientProxiedBy: SG2PR03CA0098.apcprd03.prod.outlook.com (2603:1096:4:7c::26) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM6PR04MB6341:EE_|PAXPR04MB9255:EE_ X-MS-Office365-Filtering-Correlation-Id: 441ab82f-0718-449f-e270-08dae265c170 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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RealMedia is generally used in conjunction with RealVideo and RealAudio, while also being used for streaming content over the Internet. Signed-off-by: Ming Qian --- .../userspace-api/media/v4l/pixfmt-compressed.rst | 11 +++++++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 3 files changed, 13 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst index 8794b92fde36..31ba2c00091e 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst @@ -237,6 +237,17 @@ Compressed Formats Metadata associated with the frame to decode is required to be passed through the ``V4L2_CID_STATELESS_FWHT_PARAMS`` control. See the :ref:`associated Codec Control ID `. + * .. _V4L2-PIX-FMT-RV: + + - ``V4L2_PIX_FMT_RV`` + - 'RealMedia' + - RealMedia is a proprietary multimedia container format + created by RealNetworks with the filename extension .rm. + RealMedia is generally used in conjunction with RealVideo and RealAudio, + while also being used for streaming content over the Internet. + Typically these streams are in CBR (constant bitrate), + but a container for VBR (variable bitrate) streams + named RMVB (RealMedia variable bitrate) has been developed. .. raw:: latex diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 9b5b04b8aa69..a4d12eea7fc5 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1473,6 +1473,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_FWHT: descr = "FWHT"; break; /* used in vicodec */ case V4L2_PIX_FMT_FWHT_STATELESS: descr = "FWHT Stateless"; break; /* used in vicodec */ case V4L2_PIX_FMT_SPK: descr = "Sorenson Spark"; break; + case V4L2_PIX_FMT_RV: descr = "RealMedia"; break; case V4L2_PIX_FMT_CPIA1: descr = "GSPCA CPiA YUV"; break; case V4L2_PIX_FMT_WNVA: descr = "WNVA"; break; case V4L2_PIX_FMT_SN9C10X: descr = "GSPCA SN9C10X"; break; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 262ef10cfa02..a7a7969ae4f8 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -740,6 +740,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */ +#define V4L2_PIX_FMT_RV v4l2_fourcc('R', 'V', '0', '0') /* RealMedia */ /* Vendor-specific formats */ #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */