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[35.236.141.128]) by smtp.gmail.com with ESMTPSA id y23sm9028227pfc.178.2020.12.07.19.43.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Dec 2020 19:43:16 -0800 (PST) From: Hirokazu Honda To: libcamera-devel@lists.libcamera.org Date: Tue, 8 Dec 2020 03:42:33 +0000 Message-Id: <20201208034234.2501401-3-hiroh@chromium.org> X-Mailer: git-send-email 2.29.2.576.ga3fc446d84-goog In-Reply-To: <20201208034234.2501401-1-hiroh@chromium.org> References: <20201208034234.2501401-1-hiroh@chromium.org> MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH v4 3/3] android: camera_device: Reorder configurations before requesting 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 reorders Camera3Configs before executing CameraConfiguration::validate() to make it easier for the Camera to satisfy the Android framework request. Signed-off-by: Hirokazu Honda Reviewed-by: Jacopo Mondi --- src/android/camera_device.cpp | 108 +++++++++++++++++++++++++++++++++- 1 file changed, 106 insertions(+), 2 deletions(-) -- 2.29.2.576.ga3fc446d84-goog diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp index b7bf3d88..36d0b343 100644 --- a/src/android/camera_device.cpp +++ b/src/android/camera_device.cpp @@ -9,6 +9,7 @@ #include "camera_ops.h" #include "post_processor.h" +#include #include #include #include @@ -27,6 +28,8 @@ using namespace libcamera; +LOG_DECLARE_CATEGORY(HAL) + namespace { /* @@ -140,9 +143,108 @@ struct Camera3StreamConfig { std::vector types; StreamConfiguration config; }; -} /* namespace */ -LOG_DECLARE_CATEGORY(HAL) +/* + * Reorder the configurations so that libcamera::Camera can accept them as much + * as possible. The sort rule is as follows. + * 1.) The configuration for NV12 request whose resolution is the largest. + * 2.) The configuration for JPEG request. + * 3.) Others. Larger resolutions and different formats are put earlier. + */ +std::vector sortCamera3StreamConfigs( + std::vector unsortedConfigs, + const camera3_stream_t *jpegStream) { + const size_t unsortedSize = unsortedConfigs.size(); + std::optional jpegConfig = std::nullopt; + + if (jpegStream) { + for (size_t i = 0; i < unsortedSize; ++i) { + const auto &streams = unsortedConfigs[i].streams; + if (std::find(streams.begin(), streams.end(), + jpegStream) != streams.end()) { + jpegConfig = std::move(unsortedConfigs[i]); + unsortedConfigs.erase(unsortedConfigs.begin() + i); + break; + } + } + if (!jpegConfig) + LOG(HAL, Fatal) << "No Camera3StreamConfig is found for Jpeg"; + } + + std::map> formatToConfigs; + for (const auto &streamConfig : unsortedConfigs) { + const StreamConfiguration &config = streamConfig.config; + formatToConfigs[config.pixelFormat].push_back(streamConfig); + + } + for (auto &[format, streamConfigs] : formatToConfigs) { + /* Sorted by resolution. Smaller is put first. */ + std::sort(streamConfigs.begin(), streamConfigs.end(), + [](const auto &streamConfigA, const auto &streamConfigB) { + const Size &sizeA = streamConfigA.config.size; + const Size &sizeB = streamConfigB.config.size; + return sizeA < sizeB; + }); + } + + std::vector sortedConfigs; + sortedConfigs.reserve(unsortedSize); + /* + * NV12 is the most prioritized format. Put the configuration with NV12 + * and the largest resolution first. + */ + const auto nv12It = formatToConfigs.find(formats::NV12); + if (nv12It != formatToConfigs.end()) { + auto &nv12Configs = nv12It->second; + const Size &nv12LargestSize = nv12Configs.back().config.size; + /* + * If JPEG will be created from NV12 and the size is larger than + * the largest NV12 configurations, then put the NV12 + * configuration for JPEG first. + */ + if (jpegConfig && jpegConfig->config.pixelFormat == formats::NV12) { + const Size &nv12SizeForJpeg = jpegConfig->config.size; + + if (nv12LargestSize < nv12SizeForJpeg) { + LOG(HAL, Debug) << "Insert " << jpegConfig->config.toString(); + sortedConfigs.push_back(std::move(*jpegConfig)); + jpegConfig = std::nullopt; + } + } + LOG(HAL, Debug) << "Insert " << nv12Configs.back().config.toString(); + sortedConfigs.push_back(std::move(nv12Configs.back())); + nv12Configs.pop_back(); + } + + /* If the configuration for JPEG is there, then put it. */ + if (jpegConfig) { + LOG(HAL, Debug) << "Insert " << jpegConfig->config.toString(); + sortedConfigs.push_back(std::move(*jpegConfig)); + jpegConfig = std::nullopt; + } + + /* + * Put configurations with different formats and larger resolutions + * earlier. + */ + while (!formatToConfigs.empty()) { + for (auto it = formatToConfigs.begin(); it != formatToConfigs.end();) { + auto& configs = it->second; + if (configs.empty()) { + it = formatToConfigs.erase(it); + continue; + } + LOG(HAL, Debug) << "Insert " << configs.back().config.toString(); + sortedConfigs.push_back(std::move(configs.back())); + configs.pop_back(); + it++; + } + } + assert(sortedConfigs.size() == unsortedSize); + + return sortedConfigs; +} +} /* namespace */ MappedCamera3Buffer::MappedCamera3Buffer(const buffer_handle_t camera3buffer, int flags) @@ -1333,6 +1435,8 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list) streamConfigs[index].types.push_back(type); } + streamConfigs = sortCamera3StreamConfigs(std::move(streamConfigs), + jpegStream); for (const auto &streamConfig : streamConfigs) { config_->addConfiguration(streamConfig.config); for (size_t i = 0; i < streamConfig.streams.size(); ++i) {