d267fd6d89
Test that everything works fine if a buffer outlives the pipeline. [Kieran: Update test path with comments and clarify test case] Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (C) 2024, Nicolas Dufresne
|
|
*
|
|
* gstreamer_memory_lifetime_test.cpp - GStreamer memory lifetime test
|
|
*/
|
|
|
|
#include <iostream>
|
|
#include <unistd.h>
|
|
|
|
#include <gst/app/app.h>
|
|
#include <gst/gst.h>
|
|
|
|
#include "gstreamer_test.h"
|
|
#include "test.h"
|
|
|
|
using namespace std;
|
|
|
|
class GstreamerMemoryLifetimeTest : public GstreamerTest, public Test
|
|
{
|
|
public:
|
|
GstreamerMemoryLifetimeTest()
|
|
: GstreamerTest()
|
|
{
|
|
}
|
|
|
|
protected:
|
|
int init() override
|
|
{
|
|
if (status_ != TestPass)
|
|
return status_;
|
|
|
|
appsink_ = gst_element_factory_make("appsink", nullptr);
|
|
if (!appsink_) {
|
|
g_printerr("Your installation is missing 'appsink'\n");
|
|
return TestFail;
|
|
}
|
|
g_object_ref_sink(appsink_);
|
|
|
|
return createPipeline();
|
|
}
|
|
|
|
int run() override
|
|
{
|
|
/* Build the pipeline */
|
|
gst_bin_add_many(GST_BIN(pipeline_), libcameraSrc_, appsink_, nullptr);
|
|
if (gst_element_link(libcameraSrc_, appsink_) != TRUE) {
|
|
g_printerr("Elements could not be linked.\n");
|
|
return TestFail;
|
|
}
|
|
|
|
if (startPipeline() != TestPass)
|
|
return TestFail;
|
|
|
|
sample_ = gst_app_sink_try_pull_sample(GST_APP_SINK(appsink_), GST_SECOND * 5);
|
|
if (!sample_) {
|
|
/* Failed to obtain a sample. Abort the test */
|
|
gst_element_set_state(pipeline_, GST_STATE_NULL);
|
|
return TestFail;
|
|
}
|
|
|
|
/*
|
|
* Keep the sample referenced and set the pipeline state to
|
|
* NULL. This causes the libcamerasrc element to synchronously
|
|
* release resources it holds. The sample will be released
|
|
* later in cleanup().
|
|
*
|
|
* The test case verifies that libcamerasrc keeps alive long
|
|
* enough all the resources that are needed until memory
|
|
* allocated for frames gets freed. We return TestPass at this
|
|
* stage, and any use-after-free will be caught by the test
|
|
* crashing in cleanup().
|
|
*/
|
|
gst_element_set_state(pipeline_, GST_STATE_NULL);
|
|
|
|
return TestPass;
|
|
}
|
|
|
|
void cleanup() override
|
|
{
|
|
g_clear_pointer(&sample_, gst_sample_unref);
|
|
g_clear_object(&appsink_);
|
|
}
|
|
|
|
private:
|
|
GstElement *appsink_;
|
|
GstSample *sample_;
|
|
};
|
|
|
|
TEST_REGISTER(GstreamerMemoryLifetimeTest)
|