16 bpp video stream capture, render and createImageBitmap(video) using (CPU) shared memory buffers

content/browser/webrtc/webrtc_depth_capture_browsertest.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <stddef.h>
+
+#include "base/command_line.h"
+#include "base/strings/stringprintf.h"
+#include "base/strings/utf_string_conversions.h"
+#include "content/browser/webrtc/webrtc_content_browsertest_base.h"
+#include "content/public/common/content_switches.h"
+#include "content/public/test/content_browser_test_utils.h"
+#include "media/base/media_switches.h"
+#include "net/test/embedded_test_server/embedded_test_server.h"
+
+namespace {
+
+static const char kGetDepthStreamAndCallCreateImageBitmap[] =
+    "getDepthStreamAndCallCreateImageBitmap";
+
+void RemoveSwitchFromCommandLine(base::CommandLine* command_line,
+                                 const std::string& switch_value) {
+  base::CommandLine::StringVector argv = command_line->argv();
+  const base::CommandLine::StringType switch_string =
+#if defined(OS_WIN)
+      base::ASCIIToUTF16(switch_value);
+#else
+      switch_value;
+#endif
+  argv.erase(std::remove_if(
+                 argv.begin(), argv.end(),
+                 [switch_string](const base::CommandLine::StringType& value) {
+                   return value.find(switch_string) != std::string::npos;
+                 }),
+             argv.end());
+  command_line->InitFromArgv(argv);
+}
+
+}  // namespace
+
+namespace content {
+
+class WebRtcDepthCaptureBrowserTest : public WebRtcContentBrowserTestBase {
+ public:
+  WebRtcDepthCaptureBrowserTest() {
+    // Automatically grant device permission.
+    AppendUseFakeUIForMediaStreamFlag();
+  }
+  ~WebRtcDepthCaptureBrowserTest() override {}
+
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    // Test using two video capture devices - a color and a 16-bit depth device.
+    // By default, command line argument is present with no value.  We need to
+    // remove it and then add the value defining two video capture devices.
+    const std::string fake_device_switch =
+        switches::kUseFakeDeviceForMediaStream;
+    ASSERT_TRUE(command_line->HasSwitch(fake_device_switch) &&
+                command_line->GetSwitchValueASCII(fake_device_switch).empty());
+    RemoveSwitchFromCommandLine(command_line, fake_device_switch);
+    command_line->AppendSwitchASCII(fake_device_switch, "device-count=2");
+    WebRtcContentBrowserTestBase::SetUpCommandLine(command_line);
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(WebRtcDepthCaptureBrowserTest,
+                       GetDepthStreamAndCallCreateImageBitmap) {
+  ASSERT_TRUE(embedded_test_server()->Start());
+
+  GURL url(
+      embedded_test_server()->GetURL("/media/getusermedia-depth-capture.html"));
+  NavigateToURL(shell(), url);
+
+  ExecuteJavascriptAndWaitForOk(base::StringPrintf(
+      "%s({video: true});", kGetDepthStreamAndCallCreateImageBitmap));
+}
+
+}  // namespace content