{"id":10286,"url":"https://patchwork.libcamera.org/api/patches/10286/?format=json","web_url":"https://patchwork.libcamera.org/patch/10286/","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":"<20201028100134.3007829-1-hiroh@chromium.org>","date":"2020-10-28T10:01:34","name":"[libcamera-devel,RFC] android: camera_device: Reorder configurations given by a HAL client","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"d5b3903f990d902cad3818abb3ef8b142ab688d5","submitter":{"id":63,"url":"https://patchwork.libcamera.org/api/people/63/?format=json","name":"Hirokazu Honda","email":"hiroh@chromium.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/10286/mbox/","series":[{"id":1427,"url":"https://patchwork.libcamera.org/api/series/1427/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=1427","date":"2020-10-28T10:01:34","name":"[libcamera-devel,RFC] android: camera_device: Reorder configurations given by a HAL client","version":1,"mbox":"https://patchwork.libcamera.org/series/1427/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/10286/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/10286/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 9CCA7C3B5C\n\tfor ;\n\tWed, 28 Oct 2020 10:01:48 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0AEB662390;\n\tWed, 28 Oct 2020 11:01:48 +0100 (CET)","from mail-pj1-x1042.google.com (mail-pj1-x1042.google.com\n\t[IPv6:2607:f8b0:4864:20::1042])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 03A3462067\n\tfor ;\n\tWed, 28 Oct 2020 11:01:47 +0100 (CET)","by mail-pj1-x1042.google.com with SMTP id gi3so2214572pjb.3\n\tfor ;\n\tWed, 28 Oct 2020 03:01:46 -0700 (PDT)","from hiroh.tok.corp.google.com\n\t([2401:fa00:8f:2:de4a:3eff:fe7d:f78f])\n\tby smtp.gmail.com with ESMTPSA id\n\tt129sm5462526pfc.140.2020.10.28.03.01.43\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 28 Oct 2020 03:01:44 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=chromium.org header.i=@chromium.org\n\theader.b=\"VPnBk5u3\"; 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\n\tWed, 28 Oct 2020 03:01:45 -0700 (PDT)","From":"Hirokazu Honda ","To":"libcamera-devel@lists.libcamera.org","Date":"Wed, 28 Oct 2020 19:01:34 +0900","Message-Id":"<20201028100134.3007829-1-hiroh@chromium.org>","X-Mailer":"git-send-email 2.29.0.rc2.309.g374f81d7ae-goog","MIME-Version":"1.0","Subject":"[libcamera-devel] [RFC PATCH] android: camera_device: Reorder\n\tconfigurations given by a HAL client","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=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Reorder configurations given by a HAL client in configureStreams()\nso that CameraDevice and pipeline handlers can accept them as much\nas possible.\n\nSigned-off-by: Hirokazu Honda \n---\n src/android/camera_device.cpp | 108 +++++++++++++++++++++++++++++++++-\n src/android/camera_device.h | 3 +-\n 2 files changed, 109 insertions(+), 2 deletions(-)\n\n--\n2.29.0.rc2.309.g374f81d7ae-goog","diff":"diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\nindex ca60f51..eee7248 100644\n--- a/src/android/camera_device.cpp\n+++ b/src/android/camera_device.cpp\n@@ -9,6 +9,7 @@\n #include \"camera_ops.h\"\n #include \"post_processor.h\"\n\n+#include \n #include \n #include \n #include \n@@ -132,6 +133,16 @@ const std::map camera3FormatsMap = {\n\n LOG_DECLARE_CATEGORY(HAL)\n\n+void printStreamList(const camera3_stream_configuration_t& streamList) {\n+\tLOG(HAL, Error) << \"num_streams=\" << streamList.num_streams;\n+\tfor (unsigned int i = 0; i < streamList.num_streams; i++) {\n+\t\tconst auto* stream = streamList.streams[i];\n+\t\tLOG(HAL, Error) << i << \": width=\" << stream->width\n+\t\t\t\t<< \", height=\" << stream->height\n+\t\t\t\t<< \", format=\" << stream->format;\n+\t}\n+}\n+\n MappedCamera3Buffer::MappedCamera3Buffer(const buffer_handle_t camera3buffer,\n \t\t\t\t\t int flags)\n {\n@@ -1188,7 +1199,7 @@ const camera_metadata_t *CameraDevice::constructDefaultRequestSettings(int type)\n \treturn requestTemplate->get();\n }\n\n-PixelFormat CameraDevice::toPixelFormat(int format)\n+PixelFormat CameraDevice::toPixelFormat(int format) const\n {\n \t/* Translate Android format code to libcamera pixel format. */\n \tauto it = formatsMap_.find(format);\n@@ -1201,6 +1212,97 @@ PixelFormat CameraDevice::toPixelFormat(int format)\n \treturn it->second;\n }\n\n+int CameraDevice::sortStreamConfig(camera3_stream_configuration_t* streamList) const\n+{\n+\tstd::map> streamMap;\n+\tfor (unsigned int i = 0; i < streamList->num_streams; ++i) {\n+\t\tconst camera3_stream_t* stream = streamList->streams[i];\n+\t\tPixelFormat format = toPixelFormat(stream->format);\n+\t\tif (!format.isValid())\n+\t\t\treturn -EINVAL;\n+\t\tstreamMap[format.fourcc()].push_back(stream);\n+\t}\n+\tstd::vector formats;\n+\tfor (auto& s: streamMap) {\n+\t\tformats.push_back(s.first);\n+\t\tauto& streams = s.second;\n+\t\t/* Sorted by resolution. Smaller is put first. */\n+\t\tstd::sort(streams.begin(), streams.end(),\n+\t\t\t [](const camera3_stream_t* streamA,\n+\t\t\t const camera3_stream_t* streamB) {\n+\t\t\t\t if (streamA->width != streamB->width)\n+\t\t\t\t\t return streamA->width < streamB->width;\n+\t\t\t\t return streamA->height < streamB->height;\n+\t\t\t });\n+\t}\n+\n+\tif (streamMap.find(formats::MJPEG) != streamMap.end() &&\n+\t streamMap[formats::MJPEG].size() > 1) {\n+\t\tLOG(HAL, Error) << \"Multiple JPEG streams are not supported\";\n+\t\treturn -EINVAL;\n+\t}\n+\n+\tstd::vector sortedStreams;\n+\t/*\n+\t * NV12 is the most prioritized format. Put the configuration with NV12\n+\t * and the largest resolution first.\n+\t */\n+\tauto nv12StreamsIt = streamMap.find(formats::NV12);\n+\tif (nv12StreamsIt != streamMap.end()) {\n+\t\tauto& nv12Streams = nv12StreamsIt->second;\n+\t\tconst camera3_stream_t* nv12Stream = nv12Streams.back();\n+\t\tsortedStreams.push_back(nv12Stream);\n+\t\tnv12Streams.pop_back();\n+\t}\n+\n+\t/*\n+\t * If JPEG is there, then put the JPEG configuration second and a\n+\t * configuration whose specified stream the JPEG is encoded from third\n+\t * if there is.\n+\t */\n+\tauto jpegStreamsIt = streamMap.find(formats::MJPEG);\n+\tif (jpegStreamsIt != streamMap.end()) {\n+\t\tauto& jpegStreams = jpegStreamsIt->second;\n+\t\tconst camera3_stream_t* jpegStream = jpegStreams[0];\n+\t\tsortedStreams.push_back(jpegStream);\n+\t\tstreamMap.erase(jpegStreamsIt);\n+\t\tif (nv12StreamsIt != streamMap.end()) {\n+\t\t\tauto& nv12Streams = nv12StreamsIt->second;\n+\t\t\tauto nv12StreamForJpegIt =\n+\t\t\t\tstd::find_if(nv12Streams.begin(),\n+\t\t\t\t\t nv12Streams.end(),\n+\t\t\t\t\t [&jpegStream](const auto* nv12Stream) {\n+\t\t\t\t\t\t return nv12Stream->width == jpegStream->width && nv12Stream->height == jpegStream->height;\n+\t\t\t\t\t });\n+\t\t\tif (nv12StreamForJpegIt != nv12Streams.end()) {\n+\t\t\t\tsortedStreams.push_back(*nv12StreamForJpegIt);\n+\t\t\t\tnv12Streams.erase(nv12StreamForJpegIt);\n+\t\t\t}\n+\t\t}\n+\t}\n+\n+\t/*\n+\t * Put configurations with different formats and larger resolutions\n+\t * earlier.\n+\t */\n+\twhile (!streamMap.empty()) {\n+\t\tfor (auto it = streamMap.begin(); it != streamMap.end();) {\n+\t\t\tauto& streams = it->second;\n+\t\t\tif (streams.empty()) {\n+\t\t\t\tit = streamMap.erase(it);\n+\t\t\t\tcontinue;\n+\t\t\t}\n+\t\t\tsortedStreams.push_back(streams.back());\n+\t\t\tstreams.pop_back();\n+\t\t}\n+\t}\n+\n+\tassert(sortedStreams.size() == streamList->num_streams);\n+\tmemcpy(streamList->streams, sortedStreams.data(),\n+\t sizeof(camera3_stream_t*) * streamList->num_streams);\n+\treturn 0;\n+}\n+\n /*\n * Inspect the stream_list to produce a list of StreamConfiguration to\n * be use to configure the Camera.\n@@ -1225,6 +1327,10 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)\n \tstreams_.clear();\n \tstreams_.reserve(stream_list->num_streams);\n\n+\tprintStreamList(*stream_list);\n+\tsortStreamConfig(stream_list);\n+\tprintStreamList(*stream_list);\n+\n \t/* First handle all non-MJPEG streams. */\n \tcamera3_stream_t *jpegStream = nullptr;\n \tfor (unsigned int i = 0; i < stream_list->num_streams; ++i) {\ndiff --git a/src/android/camera_device.h b/src/android/camera_device.h\nindex fd08738..f8dc28b 100644\n--- a/src/android/camera_device.h\n+++ b/src/android/camera_device.h\n@@ -104,7 +104,8 @@ private:\n \tvoid notifyShutter(uint32_t frameNumber, uint64_t timestamp);\n \tvoid notifyError(uint32_t frameNumber, camera3_stream_t *stream);\n \tCameraMetadata *requestTemplatePreview();\n-\tlibcamera::PixelFormat toPixelFormat(int format);\n+\tlibcamera::PixelFormat toPixelFormat(int format) const;\n+\tint sortStreamConfig(camera3_stream_configuration_t* streamList) const;\n \tstd::unique_ptr getResultMetadata(int frame_number,\n \t\t\t\t\t\t\t int64_t timestamp);\n\n","prefixes":["libcamera-devel","RFC"]}