From patchwork Fri Jun 25 14:11:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 467137 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64841C2B9F4 for ; Fri, 25 Jun 2021 14:12:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4DA4B61948 for ; Fri, 25 Jun 2021 14:12:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231753AbhFYOOi (ORCPT ); Fri, 25 Jun 2021 10:14:38 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:58472 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231742AbhFYOOc (ORCPT ); Fri, 25 Jun 2021 10:14:32 -0400 Received: from localhost.localdomain (unknown [IPv6:2a01:e0a:4cb:a870:42b6:51ca:7d52:50ad]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id C26531F4475B; Fri, 25 Jun 2021 15:12:09 +0100 (BST) From: Benjamin Gaignard To: hverkuil@xs4all.nl, ezequiel@collabora.com, p.zabel@pengutronix.de, mchehab@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@siol.net, emil.l.velikov@gmail.com, andrzej.p@collabora.com, jc@kynesim.co.uk, jernej.skrabec@gmail.com, nicolas@ndufresne.ca, cphealy@gmail.com Cc: kernel@pengutronix.de, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Benjamin Gaignard Subject: [PATCH v4 4/9] media: Add P010 video format Date: Fri, 25 Jun 2021 16:11:38 +0200 Message-Id: <20210625141143.577998-5-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210625141143.577998-1-benjamin.gaignard@collabora.com> References: <20210625141143.577998-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org P010 is a YUV format with 10-bits per pixel with interleaved UV. Signed-off-by: Benjamin Gaignard --- Note that P010 is already known in GStreamer, only the mapping with v4l2 pixel format is missing. version 2: - Add documentation about P010 padding - Fix the number of bits per component (16) .../media/v4l/pixfmt-yuv-planar.rst | 78 ++++++++++++++++++- drivers/media/v4l2-core/v4l2-common.c | 1 + drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 4 files changed, 79 insertions(+), 2 deletions(-) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst index 090c091affd2..af400d37c8fd 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst @@ -100,8 +100,13 @@ All components are stored with the same number of bits per component. - Cb, Cr - No - 64x32 macroblocks - - Horizontal Z order + * - V4L2_PIX_FMT_P010 + - 'P010' + - 16 + - 4:2:0 + - Cb, Cr + - No + - Linear * - V4L2_PIX_FMT_NV12MT_16X16 - 'VM12' - 8 @@ -171,6 +176,7 @@ horizontally. .. _V4L2-PIX-FMT-NV21: .. _V4L2-PIX-FMT-NV12M: .. _V4L2-PIX-FMT-NV21M: +.. _V4L2-PIX-FMT-P010: NV12, NV21, NV12M and NV21M --------------------------- @@ -470,6 +476,74 @@ number of lines as the luma plane. - Cb\ :sub:`33` - Cr\ :sub:`33` +.. _V4L2_PIX_FMT_P010: + +P010 +---- + +The number of bytes in one luminance row must be divisible by 16, +which means there will be padded 0 in the right edge when necessary. + +.. raw:: latex + + \begingroup + \small + \setlength{\tabcolsep}{2pt} + +.. tabularcolumns:: |p{2.6cm}|p{0.70cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}| + +.. flat-table:: P010 16 Bits per component + :header-rows: 2 + :stub-columns: 0 + + * - Identifier + - Code + - :cspan:`7` Byte 0 in memory + + - :cspan:`7` Byte 1 + * - + - + - 7 + - 6 + - 5 + - 4 + - 3 + - 2 + - 1 + - 0 + + - 7 + - 6 + - 5 + - 4 + - 3 + - 2 + - 1 + - 0 + * - ``V4L2_PIX_FMT_P010`` + - 'P010' + + - Y\ :sub:`9` + - Y\ :sub:`8` + - Y\ :sub:`7` + - Y\ :sub:`6` + - Y\ :sub:`5` + - Y\ :sub:`4` + - Y\ :sub:`3` + - Y\ :sub:`2` + + - Y\ :sub:`1` + - Y\ :sub:`0` + - 0 + - 0 + - 0 + - 0 + - 0 + - 0 + +.. raw:: latex + + \endgroup Fully Planar YUV Formats ======================== diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index 04af03285a20..37b5d82359dd 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -266,6 +266,7 @@ const struct v4l2_format_info *v4l2_format_info(u32 format) { .format = V4L2_PIX_FMT_NV61, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .hdiv = 2, .vdiv = 1 }, { .format = V4L2_PIX_FMT_NV24, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .hdiv = 1, .vdiv = 1 }, { .format = V4L2_PIX_FMT_NV42, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .hdiv = 1, .vdiv = 1 }, + { .format = V4L2_PIX_FMT_P010, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 2, 2, 0, 0 }, .hdiv = 2, .vdiv = 1 }, { .format = V4L2_PIX_FMT_YUV410, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv = 4, .vdiv = 4 }, { .format = V4L2_PIX_FMT_YVU410, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv = 4, .vdiv = 4 }, diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 05d5db3d85e5..0044987a727a 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1282,6 +1282,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_NV61: descr = "Y/CrCb 4:2:2"; break; case V4L2_PIX_FMT_NV24: descr = "Y/CbCr 4:4:4"; break; case V4L2_PIX_FMT_NV42: descr = "Y/CrCb 4:4:4"; break; + case V4L2_PIX_FMT_P010: descr = "10-bit Y/CrCb 4:2:0"; break; case V4L2_PIX_FMT_NV12M: descr = "Y/CbCr 4:2:0 (N-C)"; break; case V4L2_PIX_FMT_NV21M: descr = "Y/CrCb 4:2:0 (N-C)"; break; case V4L2_PIX_FMT_NV16M: descr = "Y/CbCr 4:2:2 (N-C)"; break; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 9260791b8438..e5f7acde0730 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -602,6 +602,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ +#define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 15 Y/CbCr 4:2:0 10-bit per pixel*/ /* two non contiguous planes - one Y, one Cr + Cb interleaved */ #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */