From patchwork Sat Jun 6 10:55:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dafna Hirschfeld X-Patchwork-Id: 11591137 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 399F690 for ; Sat, 6 Jun 2020 10:56:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C8752074B for ; Sat, 6 Jun 2020 10:56:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728800AbgFFK4E (ORCPT ); Sat, 6 Jun 2020 06:56:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728793AbgFFKz7 (ORCPT ); Sat, 6 Jun 2020 06:55:59 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 99854C08C5C3 for ; Sat, 6 Jun 2020 03:55:59 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: dafna) with ESMTPSA id B4E58263992 From: Dafna Hirschfeld To: linux-media@vger.kernel.org, laurent.pinchart@ideasonboard.com Cc: dafna.hirschfeld@collabora.com, helen.koike@collabora.com, ezequiel@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com, sakari.ailus@linux.intel.com, linux-rockchip@lists.infradead.org, mchehab@kernel.org, tfiga@chromium.org, skhan@linuxfoundation.org, p.zabel@pengutronix.de Subject: [PATCH v4l-utils 1/4] v4l2-ctl: vidcap: Add support for the CSC API Date: Sat, 6 Jun 2020 12:55:35 +0200 Message-Id: <20200606105538.30147-2-dafna.hirschfeld@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200606105538.30147-1-dafna.hirschfeld@collabora.com> References: <20200606105538.30147-1-dafna.hirschfeld@collabora.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org With the CSC API, capture drivers can allow userspace to request to set the quantization or the ycbcr_enc/hsv_enc fields of the pixelformat. This patch adds supports for this feature. when calling 'v4l2-ctl --set-fmt-video' on capture devices userspace can ask to change the quantization or the ycbcr/hsv_enc of the format if the driver supports it. Signed-off-by: Dafna Hirschfeld --- utils/v4l2-compliance/v4l2-test-formats.cpp | 3 ++- utils/v4l2-ctl/v4l2-ctl-vidcap.cpp | 22 +++++++++++++++++++-- 2 files changed, 22 insertions(+), 3 deletions(-) diff --git a/utils/v4l2-compliance/v4l2-test-formats.cpp b/utils/v4l2-compliance/v4l2-test-formats.cpp index e1b00f3c..085f4986 100644 --- a/utils/v4l2-compliance/v4l2-test-formats.cpp +++ b/utils/v4l2-compliance/v4l2-test-formats.cpp @@ -264,7 +264,8 @@ static int testEnumFormatsType(struct node *node, unsigned type) return fail("drivers must never set the emulated flag\n"); if (fmtdesc.flags & ~(V4L2_FMT_FLAG_COMPRESSED | V4L2_FMT_FLAG_EMULATED | V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM | - V4L2_FMT_FLAG_DYN_RESOLUTION)) + V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_CSC_YCBCR_ENC | + V4L2_FMT_FLAG_CSC_HSV_ENC | V4L2_FMT_FLAG_CSC_QUANTIZATION)) return fail("unknown flag %08x returned\n", fmtdesc.flags); if (!(fmtdesc.flags & V4L2_FMT_FLAG_COMPRESSED)) fail_on_test(fmtdesc.flags & (V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM | diff --git a/utils/v4l2-ctl/v4l2-ctl-vidcap.cpp b/utils/v4l2-ctl/v4l2-ctl-vidcap.cpp index 80312b51..5cb529c8 100644 --- a/utils/v4l2-ctl/v4l2-ctl-vidcap.cpp +++ b/utils/v4l2-ctl/v4l2-ctl-vidcap.cpp @@ -21,6 +21,7 @@ static struct v4l2_frmsizeenum frmsize; /* list frame sizes */ static struct v4l2_frmivalenum frmival; /* list frame intervals */ static unsigned set_fmts; static __u32 width, height, pixfmt, field, flags; +static __u32 ycbcr, quantization; static __u32 bytesperline[VIDEO_MAX_PLANES]; static __u32 sizeimage[VIDEO_MAX_PLANES]; @@ -101,7 +102,7 @@ static void print_video_fields(int fd) void vidcap_cmd(int ch, char *optarg) { - __u32 colorspace, xfer_func, ycbcr, quantization; + __u32 colorspace, xfer_func; char *value, *subs; bool be_pixfmt; @@ -112,7 +113,7 @@ void vidcap_cmd(int ch, char *optarg) xfer_func, ycbcr, quantization, flags, bytesperline, sizeimage); if (!set_fmts || - (set_fmts & (FmtColorspace | FmtYCbCr | FmtQuantization | FmtXferFunc))) { + (set_fmts & (FmtColorspace | FmtXferFunc))) { vidcap_usage(); std::exit(EXIT_FAILURE); } @@ -220,6 +221,15 @@ int vidcap_get_and_update_fmt(cv4l_fd &_fd, struct v4l2_format &vfmt) vfmt.fmt.pix_mp.plane_fmt[i].sizeimage = sizeimage[i]; } + + if (set_fmts & FmtYCbCr) { + vfmt.fmt.pix_mp.flags |= V4L2_PIX_FMT_FLAG_SET_CSC; + vfmt.fmt.pix_mp.ycbcr_enc = ycbcr; + } + if (set_fmts & FmtQuantization) { + vfmt.fmt.pix_mp.flags |= V4L2_PIX_FMT_FLAG_SET_CSC; + vfmt.fmt.pix_mp.quantization = quantization; + } } else { if (set_fmts & FmtWidth) vfmt.fmt.pix.width = width; @@ -249,6 +259,14 @@ int vidcap_get_and_update_fmt(cv4l_fd &_fd, struct v4l2_format &vfmt) } if (set_fmts & FmtSizeImage) vfmt.fmt.pix.sizeimage = sizeimage[0]; + if (set_fmts & FmtYCbCr) { + vfmt.fmt.pix.flags |= V4L2_PIX_FMT_FLAG_SET_CSC; + vfmt.fmt.pix.ycbcr_enc = ycbcr; + } + if (set_fmts & FmtQuantization) { + vfmt.fmt.pix.flags |= V4L2_PIX_FMT_FLAG_SET_CSC; + vfmt.fmt.pix.quantization = quantization; + } } if ((set_fmts & FmtPixelFormat) &&