From patchwork Mon Oct 28 02:25:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 2263 Return-Path: Received: from bin-mail-out-05.binero.net (bin-mail-out-05.binero.net [195.74.38.228]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 3073D6017C for ; Mon, 28 Oct 2019 03:25:51 +0100 (CET) X-Halon-ID: 400e3bcd-f92a-11e9-903a-005056917f90 Authorized-sender: niklas@soderlund.pp.se Received: from localhost.localdomain (unknown [93.2.121.143]) by bin-vsp-out-02.atm.binero.net (Halon) with ESMTPA id 400e3bcd-f92a-11e9-903a-005056917f90; Mon, 28 Oct 2019 03:25:47 +0100 (CET) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: libcamera-devel@lists.libcamera.org Date: Mon, 28 Oct 2019 03:25:16 +0100 Message-Id: <20191028022525.796995-4-niklas.soderlund@ragnatech.se> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191028022525.796995-1-niklas.soderlund@ragnatech.se> References: <20191028022525.796995-1-niklas.soderlund@ragnatech.se> MIME-Version: 1.0 Subject: [libcamera-devel] [RFC 03/12] libcamera: pipeline: Add helper to find request from buffer 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: , X-List-Received-Date: Mon, 28 Oct 2019 02:25:51 -0000 The pipeline knows which buffer coming from the application belongs to which request. Add a helper to allow pipeline implementations to access this knowledge. Signed-off-by: Niklas Söderlund --- src/libcamera/include/pipeline_handler.h | 2 ++ src/libcamera/pipeline_handler.cpp | 10 ++++++++++ 2 files changed, 12 insertions(+) diff --git a/src/libcamera/include/pipeline_handler.h b/src/libcamera/include/pipeline_handler.h index 320740746bc6e998..6024357e266c2e2b 100644 --- a/src/libcamera/include/pipeline_handler.h +++ b/src/libcamera/include/pipeline_handler.h @@ -39,6 +39,8 @@ public: } virtual ~CameraData() {} + Request *requestFromBuffer(Buffer *buffer); + Camera *camera_; PipelineHandler *pipe_; std::list queuedRequests_; diff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp index f9ae767d529d44d9..d70e286661aded8e 100644 --- a/src/libcamera/pipeline_handler.cpp +++ b/src/libcamera/pipeline_handler.cpp @@ -58,6 +58,16 @@ LOG_DEFINE_CATEGORY(Pipeline) * exists. */ +Request *CameraData::requestFromBuffer(Buffer *buffer) +{ + for (Request *request : queuedRequests_) + for (const auto &it : request->buffers()) + if (it.second == buffer) + return request; + + return nullptr; +} + /** * \var CameraData::camera_ * \brief The camera related to this CameraData instance