[{"id":2398,"web_url":"https://patchwork.libcamera.org/comment/2398/","msgid":"<27b7e4e7-9139-5f29-4fda-22196a5f6785@ideasonboard.com>","date":"2019-08-13T14:44:05","subject":"Re: [libcamera-devel] [PATCH v3 0/6] V4L2 M2M Support (+RPi PoC)","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Thanks,\n\nThis series is now pushed to master excluding the 6/6 proof of concept.\n\n--\nKieran\n\n\nOn 13/08/2019 10:40, Kieran Bingham wrote:\n> The RaspberryPi pipeline handler will require a Memory2Memory device to support\n> it's ISP processing. An initial RFC of this has been posted some time ago.\n> \n> This series improves upon the V4L2M2MDevice RFC that was posted and promotes it\n> to it's own class.\n> \n> Support for opening a device for two streams is added by overloading the\n> V4L2VideoDevice::open() call to allow a second implemention to provide the\n> the fd and stream type, rather than opening the node and guessing the type.\n> \n> An initial test using the V4L2M2MDevice on the VIM2M virtual M2M driver is also\n> provided.\n> \n> Along side all of this there are a couple of small independent fixup patches\n> (Fix the ordering of a debug statement, and remove an unused function) and my\n> current state of the RaspberryPi Pipeline handler.\n> \n> \n> * Please Note *\n> \n> The PipelineHandlerRPi requires out of tree kernel drivers to operate. These\n> are available publically on the RaspberryPi foundation's linux tree, however I\n> have added further patches on top of those.\n> \n> A branch containing the drivers for the RPi with my patches on top is at:\n> \n> https://github.com/kbingham/linux-rpi.git rpi-4.19.y-libcamera\n> \n> \n> v3:\n> - Moved location of setFd within V4L2Device\n> - Fixed documentation \n> - Close newFd in V4L2VideoDevice::open(handle, type) error path\n> \n> v2:\n> - M2M device now has its own open()/close() calls\n> - Return codes are not lost in PipelineHandlerRPi::freeBuffers()\n> - unicam node added to device match.\n> - Test code executes in the run() rather than the init()\n> \n> *** BLURB HERE ***\n> \n> Kieran Bingham (6):\n> libcamera: v4l2_device: Add setFd()\n> libcamera: v4l2_videodevice: Fix ordering of debug statement\n> libcamera: v4l2_videodevice: Support M2M devices\n> test: v4l2_videodevice: Add M2M device test\n> test: v4l2_device: Remove unused function\n> [PoC/RFC] libcamera: pipeline: Add RaspberryPi handler\n> \n> src/libcamera/include/v4l2_device.h | 1 +\n> src/libcamera/include/v4l2_videodevice.h | 25 +\n> src/libcamera/pipeline/meson.build | 1 +\n> src/libcamera/pipeline/raspberrypi.cpp | 453 ++++++++++++++++++\n> src/libcamera/v4l2_device.cpp | 26 +\n> src/libcamera/v4l2_videodevice.cpp | 202 +++++++-\n> test/v4l2_videodevice/meson.build | 1 +\n> test/v4l2_videodevice/v4l2_m2mdevice.cpp | 212 ++++++++\n> .../v4l2_videodevice_test.cpp | 11 -\n> 9 files changed, 916 insertions(+), 16 deletions(-)\n> create mode 100644 src/libcamera/pipeline/raspberrypi.cpp\n> create mode 100644 test/v4l2_videodevice/v4l2_m2mdevice.cpp\n>","headers":{"Return-Path":"","Received":["from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 771CE61620\n\tfor ;\n\tTue, 13 Aug 2019 16:44:09 +0200 (CEST)","from [192.168.0.20]\n\t(cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id C6CD22B2;\n\tTue, 13 Aug 2019 16:44:08 +0200 (CEST)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1565707448;\n\tbh=px1XxpHJX6Lqsoz8JJqUdSca5G1Ggl/aMHgaa8khZEQ=;\n\th=Reply-To:Subject:To:References:From:Date:In-Reply-To:From;\n\tb=HpYLlYVU6nrnZ0XPUkTI3whNS+1+3KTi5ZLJA4LAt4A2fA9mNNG9WuuG8CpvvoVa4\n\tFBufp4eUfUd68VlY6nOvnK+vhPi6F9oI/CpKZ2oGR/Ak3eKfwh5sxL7XfOQFBxSF9X\n\ti6r3RyHO2XwqSuk4UH3mm0P/8OrAxeJduEqzMPHk=","Reply-To":"kieran.bingham@ideasonboard.com","To":"Kieran Bingham ,\n\tLibCamera Devel ","References":"<20190813094020.10277-1-kieran.bingham@ideasonboard.com>","From":"Kieran Bingham ","Openpgp":"preference=signencrypt","Autocrypt":"addr=kieran.bingham@ideasonboard.com; keydata=\n\tmQINBFYE/WYBEACs1PwjMD9rgCu1hlIiUA1AXR4rv2v+BCLUq//vrX5S5bjzxKAryRf0uHat\n\tV/zwz6hiDrZuHUACDB7X8OaQcwhLaVlq6byfoBr25+hbZG7G3+5EUl9cQ7dQEdvNj6V6y/SC\n\trRanWfelwQThCHckbobWiQJfK9n7rYNcPMq9B8e9F020LFH7Kj6YmO95ewJGgLm+idg1Kb3C\n\tpotzWkXc1xmPzcQ1fvQMOfMwdS+4SNw4rY9f07Xb2K99rjMwZVDgESKIzhsDB5GY465sCsiQ\n\tcSAZRxqE49RTBq2+EQsbrQpIc8XiffAB8qexh5/QPzCmR4kJgCGeHIXBtgRj+nIkCJPZvZtf\n\tKr2EAbc6tgg6DkAEHJb+1okosV09+0+TXywYvtEop/WUOWQ+zo+Y/OBd+8Ptgt1pDRyOBzL8\n\tRXa8ZqRf0Mwg75D+dKntZeJHzPRJyrlfQokngAAs4PaFt6UfS+ypMAF37T6CeDArQC41V3ko\n\tlPn1yMsVD0p+6i3DPvA/GPIksDC4owjnzVX9kM8Zc5Cx+XoAN0w5Eqo4t6qEVbuettxx55gq\n\t8K8FieAjgjMSxngo/HST8TpFeqI5nVeq0/lqtBRQKumuIqDg+Bkr4L1V/PSB6XgQcOdhtd36\n\tOe9X9dXB8YSNt7VjOcO7BTmFn/Z8r92mSAfHXpb07YJWJosQOQARAQABtDBLaWVyYW4gQmlu\n\tZ2hhbSA8a2llcmFuLmJpbmdoYW1AaWRlYXNvbmJvYXJkLmNvbT6JAkAEEwEKACoCGwMFCwkI\n\tBwIGFQgJCgsCBBYCAwECHgECF4ACGQEFAlnDk/gFCQeA/YsACgkQoR5GchCkYf3X5w/9EaZ7\n\tcnUcT6dxjxrcmmMnfFPoQA1iQXr/MXQJBjFWfxRUWYzjvUJb2D/FpA8FY7y+vksoJP7pWDL7\n\tQTbksdwzagUEk7CU45iLWL/CZ/knYhj1I/+5LSLFmvZ/5Gf5xn2ZCsmg7C0MdW/GbJ8IjWA8\n\t/LKJSEYH8tefoiG6+9xSNp1p0Gesu3vhje/GdGX4wDsfAxx1rIYDYVoX4bDM+uBUQh7sQox/\n\tR1bS0AaVJzPNcjeC14MS226mQRUaUPc9250aj44WmDfcg44/kMsoLFEmQo2II9aOlxUDJ+x1\n\txohGbh9mgBoVawMO3RMBihcEjo/8ytW6v7xSF+xP4Oc+HOn7qebAkxhSWcRxQVaQYw3S9iZz\n\t2iA09AXAkbvPKuMSXi4uau5daXStfBnmOfalG0j+9Y6hOFjz5j0XzaoF6Pln0jisDtWltYhP\n\tX9LjFVhhLkTzPZB/xOeWGmsG4gv2V2ExbU3uAmb7t1VSD9+IO3Km4FtnYOKBWlxwEd8qOFpS\n\tjEqMXURKOiJvnw3OXe9MqG19XdeENA1KyhK5rqjpwdvPGfSn2V+SlsdJA0DFsobUScD9qXQw\n\tOvhapHe3XboK2+Rd7L+g/9Ud7ZKLQHAsMBXOVJbufA1AT+IaOt0ugMcFkAR5UbBg5+dZUYJj\n\t1QbPQcGmM3wfvuaWV5+SlJ+WeKIb8ta5Ag0EVgT9ZgEQAM4o5G/kmruIQJ3K9SYzmPishRHV\n\tDcUcvoakyXSX2mIoccmo9BHtD9MxIt+QmxOpYFNFM7YofX4lG0ld8H7FqoNVLd/+a0yru5Cx\n\tadeZBe3qr1eLns10Q90LuMo7/6zJhCW2w+HE7xgmCHejAwuNe3+7yt4QmwlSGUqdxl8cgtS1\n\tPlEK93xXDsgsJj/bw1EfSVdAUqhx8UQ3aVFxNug5OpoX9FdWJLKROUrfNeBE16RLrNrq2ROc\n\tiSFETpVjyC/oZtzRFnwD9Or7EFMi76/xrWzk+/b15RJ9WrpXGMrttHUUcYZEOoiC2lEXMSAF\n\tSSSj4vHbKDJ0vKQdEFtdgB1roqzxdIOg4rlHz5qwOTynueiBpaZI3PHDudZSMR5Fk6QjFooE\n\tXTw3sSl/km/lvUFiv9CYyHOLdygWohvDuMkV/Jpdkfq8XwFSjOle+vT/4VqERnYFDIGBxaRx\n\tkoBLfNDiiuR3lD8tnJ4A1F88K6ojOUs+jndKsOaQpDZV6iNFv8IaNIklTPvPkZsmNDhJMRHH\n\tIu60S7BpzNeQeT4yyY4dX9lC2JL/LOEpw8DGf5BNOP1KgjCvyp1/KcFxDAo89IeqljaRsCdP\n\t7WCIECWYem6pLwaw6IAL7oX+tEqIMPph/G/jwZcdS6Hkyt/esHPuHNwX4guqTbVEuRqbDzDI\n\t2DJO5FbxABEBAAGJAiUEGAEKAA8CGwwFAlnDlGsFCQeA/gIACgkQoR5GchCkYf1yYRAAq+Yo\n\tnbf9DGdK1kTAm2RTFg+w9oOp2Xjqfhds2PAhFFvrHQg1XfQR/UF/SjeUmaOmLSczM0s6XMeO\n\tVcE77UFtJ/+hLo4PRFKm5X1Pcar6g5m4xGqa+Xfzi9tRkwC29KMCoQOag1BhHChgqYaUH3yo\n\tUzaPwT/fY75iVI+yD0ih/e6j8qYvP8pvGwMQfrmN9YB0zB39YzCSdaUaNrWGD3iCBxg6lwSO\n\tLKeRhxxfiXCIYEf3vwOsP3YMx2JkD5doseXmWBGW1U0T/oJF+DVfKB6mv5UfsTzpVhJRgee7\n\t4jkjqFq4qsUGxcvF2xtRkfHFpZDbRgRlVmiWkqDkT4qMA+4q1y/dWwshSKi/uwVZNycuLsz+\n\t+OD8xPNCsMTqeUkAKfbD8xW4LCay3r/dD2ckoxRxtMD9eOAyu5wYzo/ydIPTh1QEj9SYyvp8\n\tO0g6CpxEwyHUQtF5oh15O018z3ZLztFJKR3RD42VKVsrnNDKnoY0f4U0z7eJv2NeF8xHMuiU\n\tRCIzqxX1GVYaNkKTnb/Qja8hnYnkUzY1Lc+OtwiGmXTwYsPZjjAaDX35J/RSKAoy5wGo/YFA\n\tJxB1gWThL4kOTbsqqXj9GLcyOImkW0lJGGR3o/fV91Zh63S5TKnf2YGGGzxki+ADdxVQAm+Q\n\tsbsRB8KNNvVXBOVNwko86rQqF9drZuw=","Organization":"Ideas on Board","Message-ID":"<27b7e4e7-9139-5f29-4fda-22196a5f6785@ideasonboard.com>","Date":"Tue, 13 Aug 2019 15:44:05 +0100","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101\n\tThunderbird/60.8.0","MIME-Version":"1.0","In-Reply-To":"<20190813094020.10277-1-kieran.bingham@ideasonboard.com>","Content-Type":"text/plain; charset=utf-8","Content-Language":"en-GB","Content-Transfer-Encoding":"7bit","Subject":"Re: [libcamera-devel] [PATCH v3 0/6] V4L2 M2M Support (+RPi PoC)","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","X-List-Received-Date":"Tue, 13 Aug 2019 14:44:09 -0000"}}]