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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2021, Vedant Paranjape
*
* gstreamer_multi_stream_test.cpp - GStreamer multi stream capture test
*/
#include <iostream>
#include <unistd.h>
#include <libcamera/libcamera.h>
#include <gst/gst.h>
#include "gstreamer_test.h"
#include "test.h"
using namespace std;
class GstreamerMultiStreamTest : public GstreamerTest, public Test
{
public:
GstreamerMultiStreamTest()
: GstreamerTest()
{
}
protected:
int init() override
{
if (status_ != TestPass)
return status_;
/* Check if platform supports multistream capture */
libcamera::CameraManager cm;
cm.start();
bool cameraFound = false;
for (auto &camera : cm.cameras()) {
if (camera->streams().size() > 1) {
cameraName_ = camera->id();
cameraFound = true;
cm.stop();
break;
}
}
if (!cameraFound) {
cm.stop();
return TestSkip;
}
const gchar *streamDescription = "queue ! fakesink";
g_autoptr(GError) error = NULL;
stream0_ = gst_parse_bin_from_description_full(streamDescription, TRUE,
NULL,
GST_PARSE_FLAG_FATAL_ERRORS,
&error);
if (!stream0_) {
g_printerr("Stream0 could not be created (%s)\n", error->message);
return TestFail;
}
g_object_ref_sink(stream0_);
stream1_ = gst_parse_bin_from_description_full(streamDescription, TRUE,
NULL,
GST_PARSE_FLAG_FATAL_ERRORS,
&error);
if (!stream1_) {
g_printerr("Stream1 could not be created (%s)\n", error->message);
return TestFail;
}
g_object_ref_sink(stream1_);
if (createPipeline() != TestPass)
return TestFail;
return TestPass;
}
int run() override
{
g_object_set(libcameraSrc_, "camera-name", cameraName_.c_str(), NULL);
/* Build the pipeline */
gst_bin_add_many(GST_BIN(pipeline_), libcameraSrc_,
stream0_, stream1_, NULL);
g_autoptr(GstPad) src_pad = gst_element_get_static_pad(libcameraSrc_, "src");
g_autoptr(GstPad) request_pad = gst_element_get_request_pad(libcameraSrc_, "src_%u");
{
g_autoptr(GstPad) queue0_sink_pad = gst_element_get_static_pad(stream0_, "sink");
g_autoptr(GstPad) queue1_sink_pad = gst_element_get_static_pad(stream1_, "sink");
if (gst_pad_link(src_pad, queue0_sink_pad) != GST_PAD_LINK_OK ||
gst_pad_link(request_pad, queue1_sink_pad) != GST_PAD_LINK_OK) {
g_printerr("Pads could not be linked.\n");
return TestFail;
}
}
if (startPipeline() != TestPass)
return TestFail;
if (processEvent() != TestPass)
return TestFail;
return TestPass;
}
void cleanup() override
{
g_clear_object(&stream0_);
g_clear_object(&stream1_);
}
private:
std::string cameraName_;
GstElement *stream0_;
GstElement *stream1_;
};
TEST_REGISTER(GstreamerMultiStreamTest)
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