From patchwork Fri Aug 31 15:51:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 10584123 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 362B25A4 for ; Fri, 31 Aug 2018 15:53:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 223E12C1FE for ; Fri, 31 Aug 2018 15:53:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1551A2C21B; Fri, 31 Aug 2018 15:53:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EA12E2C203 for ; Fri, 31 Aug 2018 15:53:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=caARSsMxbIIczymy3AXTRipIPx/UmOwiaGLTFGPPWyM=; b=tdS FAS4GahHJymDmXUQA8xSAvevn+7Qgxkcv5OvDu5HYjo7V7vVD59cTcq89zzCUQNd03VLGuWzCjynn BbxW7TcO0BJ7d5oRzgnA6/XYQrLNMmpDFQRLMHVa8nx+gLkFd4F8+beUUQKGMaxDVsuLbRpo009YD LikuZ6f+2tbXrE7+TO4s19PiL5DhGv8cNDf3cYv9A2jM2yFfBdmsalI8tyZkyiGVf1E/mc3mwgD6Y qLxf1BpKjW6N1ynjliQiC2TDL+gWV2njUa2MVcVRKhqesFXxvMPs+IvwAOClvv6TnWszWN91nm8w5 vkzdbVQx+Uf95kKMzS9iOCkx4l1PoBw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fvlji-0005Gd-8a; Fri, 31 Aug 2018 15:53:26 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fvliw-0004db-UL for linux-rockchip@lists.infradead.org; Fri, 31 Aug 2018 15:52:40 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id 91328269D95 From: Ezequiel Garcia To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: [PATCH v4 4/6] media: Add JPEG_RAW format Date: Fri, 31 Aug 2018 12:51:57 -0300 Message-Id: <20180831155157.19114-1-ezequiel@collabora.com> X-Mailer: git-send-email 2.18.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180831_085239_122452_51D03865 X-CRM114-Status: UNSURE ( 9.07 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Nicolas Dufresne , Heiko Stuebner , Ezequiel Garcia , Tomasz Figa , Rob Herring , Hans Verkuil , Miouyouyou , kernel@collabora.com, Shunqian Zheng MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Shunqian Zheng Add V4L2_PIX_FMT_JPEG_RAW format that does not contain JPEG header in the output frame. Signed-off-by: Shunqian Zheng Signed-off-by: Ezequiel Garcia --- Documentation/media/uapi/v4l/pixfmt-compressed.rst | 9 +++++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 3 files changed, 11 insertions(+) diff --git a/Documentation/media/uapi/v4l/pixfmt-compressed.rst b/Documentation/media/uapi/v4l/pixfmt-compressed.rst index d382e7a5c38e..4dffe40097f2 100644 --- a/Documentation/media/uapi/v4l/pixfmt-compressed.rst +++ b/Documentation/media/uapi/v4l/pixfmt-compressed.rst @@ -23,6 +23,15 @@ Compressed Formats - 'JPEG' - TBD. See also :ref:`VIDIOC_G_JPEGCOMP `, :ref:`VIDIOC_S_JPEGCOMP `. + * .. _V4L2-PIX-FMT-JPEG-RAW: + + - ``V4L2_PIX_FMT_JPEG_RAW`` + - 'Raw JPEG' + - Raw JPEG bitstream, containing a compressed payload. This format + contains an image scan, i.e. without any metadata or headers. + The user is expected to set the needed metadata such as + quantization and entropy encoding tables, via ``V4L2_CID_JPEG`` + controls, see :ref:`jpeg-control-id`. * .. _V4L2-PIX-FMT-MPEG: - ``V4L2_PIX_FMT_MPEG`` diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 54afc9c7ee6e..0dcd95f4bdf1 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1301,6 +1301,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) /* Max description length mask: descr = "0123456789012345678901234567890" */ case V4L2_PIX_FMT_MJPEG: descr = "Motion-JPEG"; break; case V4L2_PIX_FMT_JPEG: descr = "JFIF JPEG"; break; + case V4L2_PIX_FMT_JPEG_RAW: descr = "Raw JPEG"; break; case V4L2_PIX_FMT_DV: descr = "1394"; break; case V4L2_PIX_FMT_MPEG: descr = "MPEG-1/2/4"; break; case V4L2_PIX_FMT_H264: descr = "H.264"; break; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 5d1a3685bea9..f271048c89c4 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -627,6 +627,7 @@ struct v4l2_pix_format { /* compressed formats */ #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ +#define V4L2_PIX_FMT_JPEG_RAW v4l2_fourcc('J', 'P', 'G', 'R') /* JFIF JPEG RAW without headers */ #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */