/src/android/

• ../
• camera3_hal.cpp
• camera_device.cpp
• camera_device.h
• camera_hal_manager.cpp
• camera_hal_manager.h
• camera_metadata.cpp
• camera_metadata.h
• camera_ops.cpp
• camera_ops.h
• camera_stream.cpp
• camera_stream.h
• camera_worker.cpp
• camera_worker.h
• jpeg
• meson.build
• metadata
• post_processor.h
• yuv

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2021, Vedant Paranjape
 *
 * libcamera Gstreamer element API tests
 */

#include <libcamera/libcamera.h>

#include <libcamera/base/utils.h>

#if HAVE_ASAN
#include <sanitizer/asan_interface.h>
#endif

#include "gstreamer_test.h"

#include "test.h"

using namespace std;

#if HAVE_ASAN
extern "C" {
const char *__asan_default_options()
{
	/*
	 * Disable leak detection due to a known global variable initialization
	 * leak in glib's g_quark_init(). This should ideally be handled by
	 * using a suppression file instead of disabling leak detection.
	 */
	return "detect_leaks=false";
}
}
#endif

GstreamerTest::GstreamerTest(unsigned int numStreams)
	: pipeline_(nullptr), libcameraSrc_(nullptr)
{
	/*
	 * GStreamer by default spawns a process to run the gst-plugin-scanner
	 * helper. If libcamera is compiled with ASan enabled, and as GStreamer
	 * is most likely not, this causes the ASan link order check to fail
	 * when gst-plugin-scanner dlopen()s the plugin as many libraries will
	 * have already been loaded by then. Fix this issue by disabling
	 * spawning of a child helper process when scanning the build directory
	 * for plugins.
	 */
	gst_registry_fork_set_enabled(false);

	/* Initialize GStreamer */
	g_autoptr(GError) errInit = NULL;
	if (!gst_init_check(nullptr, nullptr, &errInit)) {
		g_printerr("Could not initialize GStreamer: %s\n",
			   errInit ? errInit->message : "unknown error");

		status_ = TestFail;
		return;
	}

	/*
	 * Atleast one camera should be available with numStreams streams,
	 * otherwise skip the test entirely.
	 */
	if (!checkMinCameraStreamsAndSetCameraName(numStreams)) {
		status_ = TestSkip;
		return;
	}

	status_ = TestPass;
}

bool GstreamerTest::checkMinCameraStreamsAndSetCameraName(unsigned int numStreams)
{
	libcamera::CameraManager cm;
	bool cameraFound = false;

	cm.start();

	for (auto &camera : cm.cameras()) {
		if (camera->streams().size() < numStreams)
			continue;

		cameraFound = true;
		cameraName_ = camera->id();
		break;
	}

	cm.stop();

	return cameraFound;
}

GstreamerTest::~GstreamerTest()
{
	g_clear_object(&pipeline_);
	g_clear_object(&libcameraSrc_);

	gst_deinit();
}

int GstreamerTest::createPipeline()
{
	libcameraSrc_ = gst_element_factory_make("libcamerasrc", "libcamera");
	pipeline_ = gst_pipeline_new("test-pipeline");

	if (!libcameraSrc_ || !pipeline_) {
		g_printerr("Unable to create pipeline %p.%p\n",
			   libcameraSrc_, pipeline_);

		return TestFail;
	}

	g_object_set(libcameraSrc_, "camera-name", cameraName_.c_str(), NULL);