{"id":10277,"url":"https://patchwork.libcamera.org/api/patches/10277/?format=json","web_url":"https://patchwork.libcamera.org/patch/10277/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20201028010051.3830668-5-niklas.soderlund@ragnatech.se>","date":"2020-10-28T01:00:46","name":"[libcamera-devel,4/9] libcamera: raspberrypi: Switch to DelayedControls","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"d0d5bb05b9f0d6ead4a4724d5c99bb17d86a45d3","submitter":{"id":5,"url":"https://patchwork.libcamera.org/api/people/5/?format=json","name":"Niklas Söderlund","email":"niklas.soderlund@ragnatech.se"},"delegate":{"id":16,"url":"https://patchwork.libcamera.org/api/users/16/?format=json","username":"neg","first_name":"Niklas","last_name":"Söderlund","email":"niklas.soderlund@ragnatech.se"},"mbox":"https://patchwork.libcamera.org/patch/10277/mbox/","series":[{"id":1423,"url":"https://patchwork.libcamera.org/api/series/1423/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1423","date":"2020-10-28T01:00:42","name":"libcamera: Add helper for controls that take effect with a delay","version":1,"mbox":"https://patchwork.libcamera.org/series/1423/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/10277/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/10277/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 00F37C3B5C\n\tfor ;\n\tWed, 28 Oct 2020 01:01:17 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 73E5E62265;\n\tWed, 28 Oct 2020 02:01:16 +0100 (CET)","from bin-mail-out-06.binero.net (bin-mail-out-06.binero.net\n\t[195.74.38.229])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 5B7956220D\n\tfor ;\n\tWed, 28 Oct 2020 02:01:14 +0100 (CET)","from bismarck.berto.se (p4fca2458.dip0.t-ipconnect.de\n\t[79.202.36.88])\n\tby bin-vsp-out-03.atm.binero.net (Halon) with ESMTPA\n\tid 12f73b83-18b9-11eb-954c-0050569116f7;\n\tWed, 28 Oct 2020 02:01:13 +0100 (CET)"],"X-Halon-ID":"12f73b83-18b9-11eb-954c-0050569116f7","Authorized-sender":"niklas.soderlund@fsdn.se","From":"=?utf-8?q?Niklas_S=C3=B6derlund?= ","To":"libcamera-devel@lists.libcamera.org, david.plowman@raspberrypi.com,\n\tnaush@raspberrypi.com","Date":"Wed, 28 Oct 2020 02:00:46 +0100","Message-Id":"<20201028010051.3830668-5-niklas.soderlund@ragnatech.se>","X-Mailer":"git-send-email 2.29.1","In-Reply-To":"<20201028010051.3830668-1-niklas.soderlund@ragnatech.se>","References":"<20201028010051.3830668-1-niklas.soderlund@ragnatech.se>","MIME-Version":"1.0","Subject":"[libcamera-devel] [PATCH 4/9] libcamera: raspberrypi: Switch to\n\tDelayedControls","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Use the libcamera core helper DelayedControls instead of the local\nStaggeredCtrl. The new helper is modeled after the StaggeredCtrl\nimplementation and behaves the same.\n\nSigned-off-by: Niklas Söderlund \n---\n .../pipeline/raspberrypi/raspberrypi.cpp | 44 +++++++++----------\n 1 file changed, 20 insertions(+), 24 deletions(-)","diff":"diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\nindex a48013d8c27b98eb..4087985f1e66c940 100644\n--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n@@ -25,6 +25,7 @@\n \n #include \"libcamera/internal/bayer_format.h\"\n #include \"libcamera/internal/camera_sensor.h\"\n+#include \"libcamera/internal/delayed_controls.h\"\n #include \"libcamera/internal/device_enumerator.h\"\n #include \"libcamera/internal/ipa_manager.h\"\n #include \"libcamera/internal/media_device.h\"\n@@ -35,7 +36,6 @@\n \n #include \"dma_heaps.h\"\n #include \"rpi_stream.h\"\n-#include \"staggered_ctrl.h\"\n \n namespace libcamera {\n \n@@ -169,8 +169,7 @@ public:\n \tRPi::DmaHeap dmaHeap_;\n \tFileDescriptor lsTable_;\n \n-\tRPi::StaggeredCtrl staggeredCtrl_;\n-\tuint32_t expectedSequence_;\n+\tstd::unique_ptr delayedCtrls_;\n \tbool sensorMetadata_;\n \n \t/*\n@@ -773,10 +772,7 @@ int PipelineHandlerRPi::start(Camera *camera)\n \t * starting. First check that the staggered ctrl has been initialised\n \t * by configure().\n \t */\n-\tASSERT(data->staggeredCtrl_);\n-\tdata->staggeredCtrl_.reset();\n-\tdata->staggeredCtrl_.write();\n-\tdata->expectedSequence_ = 0;\n+\tdata->delayedCtrls_->reset();\n \n \tdata->state_ = RPiCameraData::State::Idle;\n \n@@ -1107,7 +1103,7 @@ void RPiCameraData::frameStarted(uint32_t sequence)\n \tLOG(RPI, Debug) << \"frame start \" << sequence;\n \n \t/* Write any controls for the next frame as soon as we can. */\n-\tstaggeredCtrl_.write();\n+\tdelayedCtrls_->frameStart(sequence);\n }\n \n int RPiCameraData::loadIPA()\n@@ -1185,18 +1181,22 @@ int RPiCameraData::configureIPA(const CameraConfiguration *config)\n \t\t * Setup our staggered control writer with the sensor default\n \t\t * gain and exposure delays.\n \t\t */\n-\t\tif (!staggeredCtrl_) {\n-\t\t\tstaggeredCtrl_.init(unicam_[Unicam::Image].dev(),\n-\t\t\t\t\t { { V4L2_CID_ANALOGUE_GAIN, result.data[resultIdx++] },\n-\t\t\t\t\t { V4L2_CID_EXPOSURE, result.data[resultIdx++] } });\n+\n+\t\tif (!delayedCtrls_) {\n+\t\t\tstd::unordered_map delays = {\n+\t\t\t\t{ V4L2_CID_ANALOGUE_GAIN, result.data[resultIdx++] },\n+\t\t\t\t{ V4L2_CID_EXPOSURE, result.data[resultIdx++] }\n+\t\t\t};\n+\n+\t\t\tdelayedCtrls_ = std::make_unique(unicam_[Unicam::Image].dev(), delays);\n+\n \t\t\tsensorMetadata_ = result.data[resultIdx++];\n \t\t}\n \t}\n \n \tif (result.operation & RPi::IPA_CONFIG_SENSOR) {\n-\t\tconst ControlList &ctrls = result.controls[0];\n-\t\tif (!staggeredCtrl_.set(ctrls))\n-\t\t\tLOG(RPI, Error) << \"V4L2 staggered set failed\";\n+\t\tControlList ctrls = result.controls[0];\n+\t\tdelayedCtrls_->reset(&ctrls);\n \t}\n \n \tif (result.operation & RPi::IPA_CONFIG_DROP_FRAMES) {\n@@ -1230,8 +1230,8 @@ void RPiCameraData::queueFrameAction([[maybe_unused]] unsigned int frame,\n \tswitch (action.operation) {\n \tcase RPi::IPA_ACTION_V4L2_SET_STAGGERED: {\n \t\tconst ControlList &controls = action.controls[0];\n-\t\tif (!staggeredCtrl_.set(controls))\n-\t\t\tLOG(RPI, Error) << \"V4L2 staggered set failed\";\n+\t\tif (!delayedCtrls_->push(controls))\n+\t\t\tLOG(RPI, Error) << \"V4L2 delay set failed\";\n \t\tgoto done;\n \t}\n \n@@ -1335,11 +1335,7 @@ void RPiCameraData::unicamBufferDequeue(FrameBuffer *buffer)\n \t} else {\n \t\tembeddedQueue_.push(buffer);\n \n-\t\tstd::unordered_map ctrl;\n-\t\tint offset = buffer->metadata().sequence - expectedSequence_;\n-\t\tstaggeredCtrl_.get(ctrl, offset);\n-\n-\t\texpectedSequence_ = buffer->metadata().sequence + 1;\n+\t\tControlList ctrl = delayedCtrls_->get(buffer->metadata().sequence);\n \n \t\t/*\n \t\t * Sensor metadata is unavailable, so put the expected ctrl\n@@ -1352,8 +1348,8 @@ void RPiCameraData::unicamBufferDequeue(FrameBuffer *buffer)\n \t\t\t\t\t\t\t\t PROT_READ | PROT_WRITE,\n \t\t\t\t\t\t\t\t MAP_SHARED,\n \t\t\t\t\t\t\t\t fb.planes()[0].fd.fd(), 0));\n-\t\t\tmem[0] = ctrl[V4L2_CID_EXPOSURE];\n-\t\t\tmem[1] = ctrl[V4L2_CID_ANALOGUE_GAIN];\n+\t\t\tmem[0] = ctrl.get(V4L2_CID_EXPOSURE).get();\n+\t\t\tmem[1] = ctrl.get(V4L2_CID_ANALOGUE_GAIN).get();\n \t\t\tmunmap(mem, fb.planes()[0].length);\n \t\t}\n \t}\n","prefixes":["libcamera-devel","4/9"]}