From fd0339da1a7c989a0677fb56168839972db9e2ba Mon Sep 17 00:00:00 2001 From: Jacopo Mondi Date: Fri, 11 Jan 2019 17:04:27 +0100 Subject: libcamera: Add debug printouts Add a few debug printouts that help follow the library intialization process: what pipeline handlers are registered, what media devices are created, and which pipeline manager gets matches with the current system. The resulting output is the following, on IPU3 devices: DBG pipeline_handler.cpp:119 Pipeline handler: "PipeHandlerVimc" registered DBG pipeline_handler.cpp:119 Pipeline handler: "PipelineHandlerIPU3" registered DBG device_enumerator.cpp:214 New media device: ipu3-imgu created from: /dev/media0 DBG device_enumerator.cpp:214 New media device: ipu3-cio2 created from: /dev/media1 DBG device_enumerator.cpp:255 Succesfull match for media device: ipu3-cio2 DBG device_enumerator.cpp:255 Succesfull match for media device: ipu3-imgu DBG pipeline_handler.cpp:150 Pipeline handler: "PipelineHandlerIPU3" matched Reviewed-by: Laurent Pinchart Signed-off-by: Jacopo Mondi --- src/libcamera/device_enumerator.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'src/libcamera/device_enumerator.cpp') diff --git a/src/libcamera/device_enumerator.cpp b/src/libcamera/device_enumerator.cpp index 0d18e755..febb83da 100644 --- a/src/libcamera/device_enumerator.cpp +++ b/src/libcamera/device_enumerator.cpp @@ -211,6 +211,9 @@ int DeviceEnumerator::addDevice(const std::string &devnode) return ret; } + LOG(Debug) << "New media device \"" << media->driver() + << "\" created from " << devnode; + /* Associate entities to device node paths. */ for (MediaEntity *entity : media->entities()) { if (entity->deviceMajor() == 0 && entity->deviceMinor() == 0) @@ -248,8 +251,11 @@ MediaDevice *DeviceEnumerator::search(const DeviceMatch &dm) const if (dev->busy()) continue; - if (dm.match(dev)) + if (dm.match(dev)) { + LOG(Debug) << "Successful match for media device " + << dev->driver(); return dev; + } } return nullptr; -- cgit v1.2.1