From patchwork Mon Sep 17 17:30:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 10603235 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 4FBF76CB for ; Mon, 17 Sep 2018 17:33:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4BA8327F98 for ; Mon, 17 Sep 2018 17:33:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3F8762837D; Mon, 17 Sep 2018 17:33:06 +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 E9DE827F98 for ; Mon, 17 Sep 2018 17:33:05 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: 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: List-Owner; bh=YGlsWABBHa6Uswc06bYKusrWTFRZmkOL1Yt8X0sy2Sc=; b=MpmDpThjFrmaVD AgFUq34k/DeJqC/q4lgOwpMapjgBcGLiDsrFyzwshQ0p9tYK2wWAHj+1a45AXyZLtH0DwQHCG6LLw nDxYpNSBoVtmTh28gHOEO47ZogMHL1d1fUzcE858TJsBbspYwMluuonlmzXDCCLLfUVQbdSYnLOmC GdtIvwQTWBIFxcGs9P61o9qNUfdZJm/iJ84BKWLaj8678iawtlG8RGLcUks9kAxoXRppSeIlunwt9 A6lTmPdn3DIiVFZWwYKCbdUNPKtZgvCTI+h6roNMuDx8MqzEbSlxUaXEs7bsKI5qM3GPVnwt+ihX5 UhszVYRkRWYGrC40puig==; 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 1g1xOQ-0006Mi-0g; Mon, 17 Sep 2018 17:33:02 +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 1g1xOL-0006GT-TW for linux-rockchip@lists.infradead.org; Mon, 17 Sep 2018 17:33:00 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id C488E26BD48 From: Ezequiel Garcia To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: [PATCH v6 4/6] media: Add JPEG_RAW format Date: Mon, 17 Sep 2018 14:30:19 -0300 Message-Id: <20180917173022.9338-5-ezequiel@collabora.com> X-Mailer: git-send-email 2.19.0.rc2 In-Reply-To: <20180917173022.9338-1-ezequiel@collabora.com> References: <20180917173022.9338-1-ezequiel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180917_103258_110959_7EAFFE99 X-CRM114-Status: GOOD ( 10.26 ) 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 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 ba0f6c49d9bf..ad73076276ec 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 c63746968fa3..945efb2894d0 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 b133e69ad5ce..4c979886e8b2 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 */