From patchwork Wed Jan 31 10:50:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 768710 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5BEF969E09 for ; Wed, 31 Jan 2024 10:50:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706698217; cv=none; b=KJj/HpfPM0TaWia5cCxpPZwvps4qpyxFtNRXc3xM+f3XJEZB9vsy7VqqxAm7LILXgNWy4eIIAZ6K89U5yZkA5aadhsFB0Va+Kl8eqZLS9fOigsaBc5tTU4d//9Tw0CGIU1gx3TE9qcqshc2SX3IVkl1NEZSVOJqSsw9d2qAeM2E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706698217; c=relaxed/simple; bh=b8mB+f8jJw1/H6dkdSsBvkUGLOsbPiKIrAKPC1qyNiM=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=kO5r+QcxXGB66vBehAnV7+7Ba39Bl6QIyuRscMWX1F1X2JLC/sHvgUgAOPKjdq3BmipTKq1lwZa9++JY8KDniyNqA+jQ73ChbUeA98JGzE4XSR54DiIXEIQeezp1ZkXK3t+rXQ6s6aye35bnf/uLRwpOdXIrUxGttDKeS8DffUU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=giKRCS0C; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="giKRCS0C" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1706698214; bh=b8mB+f8jJw1/H6dkdSsBvkUGLOsbPiKIrAKPC1qyNiM=; h=From:To:Cc:Subject:Date:From; b=giKRCS0CIKDWILqlRrVBatd0FKoFdnMqRlQpioSN38dJ73yrmD8Mys7y+jnom0chQ wj5OiOCUxCRTl8DEi7NGwTM/eZdFW9p7Lv5v9c3wGZzru6T9CLWgXBCHLEqXNQjmPm vZQ76f4qSXyIhzN5HgEzIvJrv4ndu55pR2jJAlEijbAOkLBS2g4u6y+cejbT33Autb G583+GAVzJH0uGp2EodmmkZ9lgCfM0wCStL+HjXNPFIa/umzC+SeHPshXS13rom/Pa LNAW3XXqJdZPdaN3Xpu+cY5H441mUUZAqv6iclNxZZuW90MYHK7mBVhZiIEPFddsQ7 Aokn+QxnTA2gw== Received: from benjamin-XPS-13-9310.. (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 547E03781FCF; Wed, 31 Jan 2024 10:50:14 +0000 (UTC) From: Benjamin Gaignard To: hverkuil@xs4all.nl, mchehab@kernel.org, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v2 0/2] Enumerate all pixels formats Date: Wed, 31 Jan 2024 11:50:06 +0100 Message-Id: <20240131105008.109457-1-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The goal of this series is to let userland applications enumerate all the supported pixels formats of a stateless decoder without setting all the possible codec-dependent control. That offer a simplest solution for applications to discover supported pixels formats and possibly let them doing smarter choice between stateless decoders. changes in version 2: - Clarify documentation. - Only keep V4L2_FMT_FLAG_ALL_FORMATS flag in ioctl. Benjamin Benjamin Gaignard (2): media: videodev2: Add V4L2_FMT_FLAG_ALL_FORMATS flag media: verisilicon: Use V4L2_FMT_FLAG_ALL_FORMATS flag .../media/v4l/dev-stateless-decoder.rst | 4 ++++ .../userspace-api/media/v4l/vidioc-enum-fmt.rst | 5 +++++ .../userspace-api/media/videodev2.h.rst.exceptions | 1 + drivers/media/platform/verisilicon/hantro_v4l2.c | 12 +++++++++--- drivers/media/v4l2-core/v4l2-ioctl.c | 3 +++ include/uapi/linux/videodev2.h | 1 + 6 files changed, 23 insertions(+), 3 deletions(-)