{"id":149,"url":"https://patchwork.libcamera.org/api/patches/149/?format=json","web_url":"https://patchwork.libcamera.org/patch/149/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20190103173859.22624-6-jacopo@jmondi.org>","date":"2019-01-03T17:38:59","name":"[libcamera-devel,5/5] test: MediaDevice: Add link exercize test","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"2a445e3bd48db2ecdaf9379fe8be518f2ecf03e3","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/149/mbox/","series":[{"id":52,"url":"https://patchwork.libcamera.org/api/series/52/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=52","date":"2019-01-03T17:38:54","name":"libcamera: media device: Add link handling","version":1,"mbox":"https://patchwork.libcamera.org/series/52/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/149/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/149/checks/","tags":{},"headers":{"Return-Path":"","Received":["from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net\n\t[217.70.183.199])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id D16D160B3D\n\tfor ;\n\tThu, 3 Jan 2019 18:39:04 +0100 (CET)","from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 67C0DFF804;\n\tThu, 3 Jan 2019 17:39:04 +0000 (UTC)"],"X-Originating-IP":"2.224.242.101","From":"Jacopo Mondi ","To":"libcamera-devel@lists.libcamera.org","Date":"Thu, 3 Jan 2019 18:38:59 +0100","Message-Id":"<20190103173859.22624-6-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.20.1","In-Reply-To":"<20190103173859.22624-1-jacopo@jmondi.org>","References":"<20190103173859.22624-1-jacopo@jmondi.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 5/5] test: MediaDevice: Add link exercize\n\ttest","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","X-List-Received-Date":"Thu, 03 Jan 2019 17:39:05 -0000"},"content":"Add test function to exercize the link handling abilities of the media\ndevice.\n\nSigned-off-by: Jacopo Mondi \n---\n test/media_device/media_device_test.cpp | 101 ++++++++++++++++++++++++\n 1 file changed, 101 insertions(+)","diff":"diff --git a/test/media_device/media_device_test.cpp b/test/media_device/media_device_test.cpp\nindex c482b2e..99da3a6 100644\n--- a/test/media_device/media_device_test.cpp\n+++ b/test/media_device/media_device_test.cpp\n@@ -42,8 +42,104 @@ private:\n \tvoid printMediaGraph(const MediaDevice &media, ostream &os);\n \tvoid printLinkFlags(const MediaLink *link, ostream &os);\n \tvoid printNode(const MediaPad *pad, ostream &os);\n+\n+\tint exercizeLinks(const MediaDevice &media);\n+\tint testLink(const MediaDevice &media, MediaLink *link);\n };\n \n+int MediaDeviceTest::testLink(const MediaDevice &media, MediaLink *link)\n+{\n+\tMediaPad *sourcePad = link->source();\n+\tMediaEntity *source = sourcePad->entity();\n+\tMediaPad *sinkPad = link->sink();\n+\tMediaEntity *sink = sinkPad->entity();\n+\n+\tcerr << \"Test link handling interface on link: \"\n+\t << source->name() << \":\" << sourcePad->index()\n+\t << \" -> \" << sink->name() << \":\" << sinkPad->index() << \"\\n\";\n+\n+\t/* Test the link() functions to be consistent. */\n+\tMediaLink *alink = media.link(source->name(), sourcePad->index(),\n+\t\t\t\t sink->name(), sinkPad->index());\n+\tif (link != alink)\n+\t\treturn -EINVAL;\n+\n+\talink = media.link(source, sourcePad->index(),\n+\t\t\t sink, sinkPad->index());\n+\tif (link != alink)\n+\t\treturn -EINVAL;\n+\n+\talink = media.link(sourcePad, sinkPad);\n+\tif (link != alink)\n+\t\treturn -EINVAL;\n+\n+\t/* Fine, we get consisten results... now try to manipulate the link. */\n+\tint ret = link->enable(true);\n+\tif (ret)\n+\t\treturn ret;\n+\n+\tret = link->enable(false);\n+\tif (ret) {\n+\t\tif (!(link->flags() & MEDIA_LNK_FL_IMMUTABLE))\n+\t\t\treturn ret;\n+\t}\n+\n+\treturn 0;\n+\n+}\n+\n+/*\n+ * Exercize the link handling interface.\n+ * Try to get existing and non-existing links, and try to enable\n+ * disable link.\n+ *\n+ * WARNING: this test will change the link between pads on the media\n+ * device it runs on, potentially modying the behavior of the system\n+ * where the test is run on.\n+ */\n+int MediaDeviceTest::exercizeLinks(const MediaDevice &media)\n+{\n+\tauto entities = media.entities();\n+\n+\t/* First of all, reset all links in the media graph. */\n+\tfor (MediaEntity *ent : entities) {\n+\t\tcerr << \"Disable all links in entity: \" << ent->name() << \"\\n\";\n+\n+\t\tfor (MediaPad *pad : ent->pads()) {\n+\t\t\tif (pad->flags() & MEDIA_PAD_FL_SINK)\n+\t\t\t\tcontinue;\n+\n+\t\t\tfor (MediaLink *link : pad->links()) {\n+\t\t\t\tint ret = link->enable(false);\n+\t\t\t\tif (ret) {\n+\t\t\t\t\tif (!(link->flags() &\n+\t\t\t\t\t MEDIA_LNK_FL_IMMUTABLE))\n+\t\t\t\t\t\treturn ret;\n+\t\t\t\t}\n+\t\t\t}\n+\t\t}\n+\t}\n+\n+\n+\t/*\n+\t * Exercize the link handling interface.\n+\t */\n+\tfor (MediaEntity *ent : entities) {\n+\t\tfor (MediaPad *pad : ent->pads()) {\n+\t\t\tif (pad->flags() & MEDIA_PAD_FL_SINK)\n+\t\t\t\tcontinue;\n+\n+\t\t\tfor (MediaLink *link : pad->links()) {\n+\t\t\t\tint ret = testLink(media, link);\n+\t\t\t\tif (ret)\n+\t\t\t\t\treturn ret;\n+\t\t\t}\n+\t\t}\n+\t}\n+\n+\treturn 0;\n+}\n+\n void MediaDeviceTest::printNode(const MediaPad *pad, ostream &os)\n {\n \tconst MediaEntity *entity = pad->entity();\n@@ -136,6 +232,11 @@ int MediaDeviceTest::testMediaDevice(const string devnode)\n \n \t/* Run tests in sequence. */\n \tprintMediaGraph(dev, cerr);\n+\n+\tret = exercizeLinks(dev);\n+\tif (ret)\n+\t\treturn ret;\n+\n \t/* TODO: add more tests here. */\n \n \tdev.close();\n","prefixes":["libcamera-devel","5/5"]}