From patchwork Thu Sep 2 21:31:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umang Jain X-Patchwork-Id: 13612 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 E3BF6BD87D for ; Thu, 2 Sep 2021 21:31:37 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 2E3CD6916A; Thu, 2 Sep 2021 23:31:37 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="tIzpD5N6"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 32ABC60255 for ; Thu, 2 Sep 2021 23:31:36 +0200 (CEST) Received: from perceval.ideasonboard.com (unknown [103.251.226.107]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 1B81645E; Thu, 2 Sep 2021 23:31:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1630618295; bh=mV5mILWbrnYzzddedck1uuHNedoe6WCPEvnXt49BmfQ=; h=From:To:Cc:Subject:Date:From; b=tIzpD5N6GfLeW4zJzCiO+jnOr4QogOGff99hXOf7BJNCEdB2dkTBgvvJvbKkyNj9D sVPYHi7kvP7I1yrfGzKDtgwp4PpbxiXbT+t/4C9V+t0rCPISe8/xpPHUOqtll/zfrQ UoPmjsueutot6E6hYcy9AE7KbdzsCCcznxFGjugA= From: Umang Jain To: libcamera-devel@lists.libcamera.org Date: Fri, 3 Sep 2021 03:01:23 +0530 Message-Id: <20210902213128.1064018-1-umang.jain@ideasonboard.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Subject: [libcamera-devel] [RFC PATCH v2 0/5] Async PostProcessor 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" This series aims to enable async post-processing of streams in the HAL layer. Patch 1-3 introduces basic plumbing efforts Patch 4 introduces groundwork for making the post-processor async Patch 5 makes the post-processor async. Testing: post-processor-jpeg runs in a separate thread and saves an image on shutter-click. Streaming of image data continues as usual. Multiple shutter-click with reasonable gap saves images as well. Open questions / further work: Marked as \todo, so I shall continue chasing them. Umang Jain (5): android: camera_stream: Pass FrameBuffer pointer instead of reference android: post_processor: Notify post processing completion status android: camera_stream: Notify process() status with a Signal android: camera_device: Add a queue for sending capture results android: camera_stream: Run post-processor in a separate thread src/android/camera_device.cpp | 131 +++++++++++++++++++++-- src/android/camera_device.h | 27 +++++ src/android/camera_stream.cpp | 40 +++++-- src/android/camera_stream.h | 42 +++++++- src/android/jpeg/encoder.h | 2 +- src/android/jpeg/encoder_libjpeg.cpp | 4 +- src/android/jpeg/encoder_libjpeg.h | 2 +- src/android/jpeg/post_processor_jpeg.cpp | 11 +- src/android/jpeg/post_processor_jpeg.h | 4 +- src/android/jpeg/thumbnailer.cpp | 4 +- src/android/jpeg/thumbnailer.h | 2 +- src/android/post_processor.h | 10 +- src/android/yuv/post_processor_yuv.cpp | 22 ++-- src/android/yuv/post_processor_yuv.h | 4 +- 14 files changed, 260 insertions(+), 45 deletions(-)