From patchwork Sat Aug 28 14:37:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vedant Paranjape X-Patchwork-Id: 13560 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id 5F46FBD87D for ; Sat, 28 Aug 2021 14:37:31 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id BDF8B6916A; Sat, 28 Aug 2021 16:37:30 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="U0NyWXw5"; dkim-atps=neutral Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 2931661534 for ; Sat, 28 Aug 2021 16:37:29 +0200 (CEST) Received: by mail-pj1-x102b.google.com with SMTP id mw10-20020a17090b4d0a00b0017b59213831so10928016pjb.0 for ; Sat, 28 Aug 2021 07:37:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=IfKU0EeHUGkrzSe30BkWlMUCQ/qbvsiznNvwmzp1TqU=; b=U0NyWXw5ItFRprxGX0nINiIrMOrO/vo6BA0DaR0LOUofQKoyoq/asRxvvOFQbJTVu6 Leu7I4a+8vGqVJQ4arygGu1agF2FRiyhhsNQ4WWlc2ItG7iOApH+aGe2dtx74bfOp21f NMKwZalw7pASbjFvlXTFPFOfo5TpRdzH61TnW42EYaTQ9+gJbtWx1Q7CuE/OcEYdXdI4 87I6h3dS5XIV/OlvhCOfVNIK7om9mprB3b0tT6Av/Eto34UUXpBdjvRoVbNtYiQD/5kZ 8aEr4KwASTTKeJLvVmU7PgVyPgp8DzfuxEA0HZQBa10K5x/K5E53i4QKWkMRqHqwfXS9 XreQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=IfKU0EeHUGkrzSe30BkWlMUCQ/qbvsiznNvwmzp1TqU=; b=s5BehKHaiCRSqdUh8cFiwApQNEzjtErqkDqgsP7jvE8gXrllsikXqhxJXRvHeUic6+ 6qe2jy9Didy9NCkqN06BOM38GMwTuBtyVWKNkFXIFXA8O0/coR+CzFeQO8o9hUoNpj2q /sXZE9xxkWJMwvY3WCymFGp/ywPSoBKLghYPOSFxkcMERwrfgm5oLGM+e/MvD7M/qpfJ FjKIgqXrT9ordIL9TvJL90/zk0Ji2e/VBTS/qZ+Z7jGQwJPvndDMqY/igvguT34xCfg2 D1vBZWyu/w87WGw8Dds9YlEIvmcGgi5rXcNrjP43WoUM3HRDOziG85MO5qRiKMuAnM5P /2DQ== X-Gm-Message-State: AOAM531xfmsxRwZd11Xq3M/GcZwkx83H4MkagZbqIOx6VnrkvDOpsn/n hHjaqrDIcVl0qCt4zqBefKtDOwKYtLjjkT/g X-Google-Smtp-Source: ABdhPJzGwj4bzLs1EoFxC9AannkTW3n5w8rzv5PGYSj9ANgcjfc//UxNsHXBbXeXoDZhQOt5N2eacg== X-Received: by 2002:a17:903:32ce:b0:138:7c09:1178 with SMTP id i14-20020a17090332ce00b001387c091178mr13640874plr.60.1630161447070; Sat, 28 Aug 2021 07:37:27 -0700 (PDT) Received: from localhost.localdomain ([1.186.166.201]) by smtp.googlemail.com with ESMTPSA id m3sm2827839pfo.94.2021.08.28.07.37.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 Aug 2021 07:37:26 -0700 (PDT) From: Vedant Paranjape To: libcamera-devel@lists.libcamera.org Date: Sat, 28 Aug 2021 20:07:21 +0530 Message-Id: <20210828143721.236778-1-vedantparanjape160201@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH v1] test: gstreamer: Add a test for gstreamer multi stream X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vedant Paranjape Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" This patch adds a test to test if multi stream using libcamera's gstreamer element works. We need to work around one issue with ASan when enabled in the build: - glib has a known leak at initialization time. This is covered by the suppression file shipped with glib, but it's not clear how to use it automatically. For now, disable leak detection to avoid test failures. Signed-off-by: Vedant Paranjape --- .../gstreamer/gstreamer_multi_stream_test.cpp | 214 ++++++++++++++++++ test/gstreamer/meson.build | 1 + 2 files changed, 215 insertions(+) create mode 100644 test/gstreamer/gstreamer_multi_stream_test.cpp diff --git a/test/gstreamer/gstreamer_multi_stream_test.cpp b/test/gstreamer/gstreamer_multi_stream_test.cpp new file mode 100644 index 00000000..d48310aa --- /dev/null +++ b/test/gstreamer/gstreamer_multi_stream_test.cpp @@ -0,0 +1,214 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2021, Vedant Paranjape + * + * gstreamer_single_stream_test.cpp - GStreamer single stream capture test + */ + +#include +#include + +#include + +#include "libcamera/internal/source_paths.h" + +#include + +#include "test.h" + +using namespace std; + +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"; +} +} + +class GstreamerSingleStreamTest : public Test +{ +protected: + int init() override + { + /* + * 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"); + + return TestFail; + } + + /* + * Remove the system libcamera plugin, if any, and add the + * plugin from the build directory. + */ + GstRegistry *registry = gst_registry_get(); + GstPlugin *plugin = gst_registry_lookup(registry, "libgstlibcamera.so"); + if (plugin) { + gst_registry_remove_plugin(registry, plugin); + gst_object_unref(plugin); + } + + std::string path = libcamera::utils::libcameraBuildPath() + + "src/gstreamer"; + if (!gst_registry_scan_path(registry, path.c_str())) { + g_printerr("Failed to add plugin to registry\n"); + gst_deinit(); + return TestFail; + } + + /* Create the elements */ + libcameraSrc_ = gst_element_factory_make("libcamerasrc", "libcamera"); + convert0_ = gst_element_factory_make("videoconvert", "convert0"); + convert1_ = gst_element_factory_make("videoconvert", "convert1"); + sink0_ = gst_element_factory_make("fakesink", "sink0"); + sink1_ = gst_element_factory_make("fakesink", "sink1"); + queue0_ = gst_element_factory_make("queue", "camera_queue0"); + queue1_ = gst_element_factory_make("queue", "camera_queue1"); + + /* Create the empty pipeline_ */ + pipeline_ = gst_pipeline_new("test-pipeline"); + + if (!pipeline_ || !convert0_ || !convert1_ || !sink0_ || + !sink1_ || !queue0_ || !queue1_ || !libcameraSrc_) { + g_printerr("Not all elements could be created. %p.%p.%p.%p.%p.%p.%p.%p\n", + pipeline_, convert0_, convert1_, sink0_, + sink1_, queue0_, queue1_, libcameraSrc_); + if (pipeline_) + gst_object_unref(pipeline_); + if (convert0_) + gst_object_unref(convert0_); + if (convert1_) + gst_object_unref(convert1_); + if (sink0_) + gst_object_unref(sink0_); + if (sink1_) + gst_object_unref(sink1_); + if (queue0_) + gst_object_unref(queue0_); + if (queue1_) + gst_object_unref(queue1_); + if (libcameraSrc_) + gst_object_unref(libcameraSrc_); + gst_deinit(); + + return TestFail; + } + + return TestPass; + } + + void cleanup() override + { + gst_object_unref(pipeline_); + gst_deinit(); + } + + int run() override + { + GstStateChangeReturn ret; + + /* Build the pipeline */ + gst_bin_add_many(GST_BIN(pipeline_), libcameraSrc_, queue0_, queue1_, + convert0_, convert1_, sink0_, sink1_, NULL); + if (gst_element_link_many(queue0_, convert0_, sink0_, NULL) != TRUE + || gst_element_link_many(queue1_, convert1_, sink1_, NULL) != TRUE) { + g_printerr("Elements could not be linked.\n"); + return TestFail; + } + + 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"); + GstPad *queue0_sink_pad = gst_element_get_static_pad(queue0_, "sink"); + GstPad *queue1_sink_pad = gst_element_get_static_pad(queue1_, "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) { + if (queue0_sink_pad) + gst_object_unref(queue0_sink_pad); + if (queue1_sink_pad) + gst_object_unref(queue1_sink_pad); + g_printerr("Pads could not be linked.\n"); + return TestFail; + } + gst_object_unref(queue0_sink_pad); + gst_object_unref(queue1_sink_pad); + + /* Start playing */ + ret = gst_element_set_state(pipeline_, GST_STATE_PLAYING); + if (ret == GST_STATE_CHANGE_FAILURE) { + g_printerr("Unable to set the pipeline to the playing state.\n"); + return TestFail; + } + + /* Wait until error or EOS or timeout after 2 seconds */ + constexpr GstMessageType msgType = + static_cast(GST_MESSAGE_ERROR | GST_MESSAGE_EOS); + constexpr GstClockTime timeout = 2 * GST_SECOND; + + g_autoptr(GstBus) bus = gst_element_get_bus(pipeline_); + g_autoptr(GstMessage) msg = gst_bus_timed_pop_filtered(bus, timeout, msgType); + + gst_element_set_state(pipeline_, GST_STATE_NULL); + + /* Parse error message */ + if (msg == NULL) + return TestPass; + + switch (GST_MESSAGE_TYPE(msg)) { + case GST_MESSAGE_ERROR: + gstreamer_print_error(msg); + break; + case GST_MESSAGE_EOS: + g_print("End-Of-Stream reached.\n"); + break; + default: + g_printerr("Unexpected message received.\n"); + break; + } + + return TestFail; + } + +private: + void gstreamer_print_error(GstMessage *msg) + { + g_autoptr(GError) err = NULL; + g_autofree gchar *debug_info = NULL; + + gst_message_parse_error(msg, &err, &debug_info); + g_printerr("Error received from element %s: %s\n", + GST_OBJECT_NAME(msg->src), err->message); + g_printerr("Debugging information: %s\n", + debug_info ? debug_info : "none"); + } + + GstElement *pipeline_; + GstElement *libcameraSrc_; + GstElement *queue0_; + GstElement *queue1_; + GstElement *convert0_; + GstElement *convert1_; + GstElement *sink0_; + GstElement *sink1_; +}; + +TEST_REGISTER(GstreamerSingleStreamTest) diff --git a/test/gstreamer/meson.build b/test/gstreamer/meson.build index b99aa0da..e28225b2 100644 --- a/test/gstreamer/meson.build +++ b/test/gstreamer/meson.build @@ -6,6 +6,7 @@ endif gstreamer_tests = [ ['single_stream_test', 'gstreamer_single_stream_test.cpp'], + ['multi_stream_test', 'gstreamer_multi_stream_test.cpp'], ] gstreamer_dep = dependency('gstreamer-1.0', required: true)