diff options
Diffstat (limited to 'src/libcamera/pipeline/raspberrypi/raspberrypi.cpp')
-rw-r--r-- | src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp index 0a9ef66f..a140ff73 100644 --- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp +++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp @@ -14,6 +14,7 @@ #include <unordered_set> #include <utility> +#include <libcamera/base/file.h> #include <libcamera/base/shared_fd.h> #include <libcamera/base/utils.h> @@ -40,6 +41,7 @@ #include "libcamera/internal/media_device.h" #include "libcamera/internal/pipeline_handler.h" #include "libcamera/internal/v4l2_videodevice.h" +#include "libcamera/internal/yaml_parser.h" #include "delayed_controls.h" #include "dma_heaps.h" @@ -1214,6 +1216,7 @@ int PipelineHandlerRPi::queueRequestDevice(Camera *camera, Request *request) */ stream->setExternalBuffer(buffer); } + /* * If no buffer is provided by the request for this stream, we * queue a nullptr to the stream to signify that it must use an @@ -1718,6 +1721,48 @@ int RPiCameraData::loadPipelineConfiguration() .minTotalUnicamBuffers = 4, }; + char const *configFromEnv = utils::secure_getenv("LIBCAMERA_RPI_CONFIG_FILE"); + if (!configFromEnv || *configFromEnv == '\0') + return 0; + + std::string filename = std::string(configFromEnv); + File file(filename); + + if (!file.open(File::OpenModeFlag::ReadOnly)) { + LOG(RPI, Error) << "Failed to open configuration file '" << filename << "'"; + return -EIO; + } + + LOG(RPI, Info) << "Using configuration file '" << filename << "'"; + + std::unique_ptr<YamlObject> root = YamlParser::parse(file); + if (!root) { + LOG(RPI, Warning) << "Failed to parse configuration file, using defaults"; + return 0; + } + + std::optional<double> ver = (*root)["version"].get<double>(); + if (!ver || *ver != 1.0) { + LOG(RPI, Error) << "Unexpected configuration file version reported"; + return -EINVAL; + } + + const YamlObject &phConfig = (*root)["pipeline_handler"]; + config_.minUnicamBuffers = + phConfig["min_unicam_buffers"].get<unsigned int>(config_.minUnicamBuffers); + config_.minTotalUnicamBuffers = + phConfig["min_total_unicam_buffers"].get<unsigned int>(config_.minTotalUnicamBuffers); + + if (config_.minTotalUnicamBuffers < config_.minUnicamBuffers) { + LOG(RPI, Error) << "Invalid configuration: min_total_unicam_buffers must be >= min_unicam_buffers"; + return -EINVAL; + } + + if (config_.minTotalUnicamBuffers < 1) { + LOG(RPI, Error) << "Invalid configuration: min_total_unicam_buffers must be >= 1"; + return -EINVAL; + } + return 0; } |