From patchwork Fri Nov 8 07:38:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cheng-Hao Yang X-Patchwork-Id: 21859 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id C7E61BE173 for ; Fri, 8 Nov 2024 07:50:47 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 0562B6548C; Fri, 8 Nov 2024 08:50:47 +0100 (CET) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.b="f6g6n/P7"; dkim-atps=neutral Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id EFF5B60589 for ; Fri, 8 Nov 2024 08:50:44 +0100 (CET) Received: by mail-pl1-x632.google.com with SMTP id d9443c01a7336-20c7edf2872so24593495ad.1 for ; Thu, 07 Nov 2024 23:50:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1731052243; x=1731657043; darn=lists.libcamera.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=k8XVZ8fsALyNM4syCFWBMeF0y1eY0Vfx+YO9s7exTpg=; b=f6g6n/P7qMfzE05LRgeLnPI1/iJgqlFDxOZZnYOdYiqcH79eRRiXoNI+/hy/WP4KVW 28pjIXoTRevR9QdyiB/r0Hmqt5DnQtc7P3HisoV1uAAaFH31Ya9IaWgzSwRYo7On5kzX GvqaI7FYtapoBHLgy5lZ431hyI9TUbrA5nuZc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731052243; x=1731657043; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=k8XVZ8fsALyNM4syCFWBMeF0y1eY0Vfx+YO9s7exTpg=; b=hOOKMCkSl9fRM1Au9uPuiJUzu6Jjsh+BufNUmuvEeL8HzRcqFPpLLBXL3lTTp6XDlL pvJGfiiTA6wHCpL66SPTnYCrE+z4skNwjoDFJp9Tcgcct6sW9rhwDGkvl37X/TXPy2ow ow17fQ6Dg2uobccuVant3+a/6dZjwEslJGr/hJvOKX0DYE95PtsoMa79HHeOAWlnSN5k xqyF7/pCmIde9q4VPhPUvCDWexD13Em09TPEo6UP+6Bnxh89f4DsRDZ9jTMEuRY9lpxZ HozTuW0Llh3bLP9nbbtbXW08FsNMJ1bxrO/nLRZ8AsA6MDBydG3VNOExTa6H217YHGRv ltbA== X-Gm-Message-State: AOJu0YyMdQKAX8HWZPqAJD7SXbHZs19CbMZPh0WEDSJB6VDcioq8eKQG 3x7aYLDCUlANGV2aPZqP+2613PTyukAf/CUo1AwCFKwyJN5EzI+s+A7pci5jvzZjg1USLol6f8G 6tg== X-Google-Smtp-Source: AGHT+IGF2EGpiGMCfswuOOpMP7X94RzI0HStocGvO42wFa5MiAqcAnvoGlumCRinfz0F+U04PloOgg== X-Received: by 2002:a17:902:ea0b:b0:205:8b84:d5e8 with SMTP id d9443c01a7336-2118377eba3mr32455545ad.18.1731052242965; Thu, 07 Nov 2024 23:50:42 -0800 (PST) Received: from chenghaoyang-low.c.googlers.com.com (27.247.221.35.bc.googleusercontent.com. [35.221.247.27]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21177e62dd4sm24343295ad.218.2024.11.07.23.50.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2024 23:50:42 -0800 (PST) From: Harvey Yang To: libcamera-devel@lists.libcamera.org Cc: Harvey Yang Subject: [PATCH 0/1] Extend V4L2 videodevice to accept media request API Date: Fri, 8 Nov 2024 07:38:26 +0000 Message-ID: <20241108075039.2116460-1-chenghaoyang@chromium.org> X-Mailer: git-send-email 2.47.0.277.g8800431eea-goog MIME-Version: 1.0 X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" Hi folks, In order to bind multiple buffers to the same request in ISP, like mtkisp7, this patch extends V4L2 videodevice to accept media request API. This might be reviewed together with patch `Add request API support for media controller device`. We might also consider passing `MediaDevice::Request` instead of the file descriptor integer. This patch passes gitlab pipeline: https://gitlab.freedesktop.org/chenghaoyang/libcamera/-/pipelines/1306526 BR, Harvey Han-Lin Chen (1): libcamera: Extend V4L2 videodevice to accept media request API include/libcamera/internal/v4l2_videodevice.h | 2 +- src/libcamera/v4l2_videodevice.cpp | 7 ++++++- 2 files changed, 7 insertions(+), 2 deletions(-)