ppapi/tests/test_video_source.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // Tests PPB_VideoSource_Private interface.
   6
   7 #include "ppapi/tests/test_video_source.h"
   8
   9 #include <string.h>
  10 #include <algorithm>
  11 #include <limits>
  12
  13 #include "ppapi/c/private/ppb_testing_private.h"
  14 #include "ppapi/cpp/completion_callback.h"
  15 #include "ppapi/cpp/instance.h"
  16 #include "ppapi/cpp/private/video_frame_private.h"
  17 #include "ppapi/cpp/private/video_source_private.h"
  18 #include "ppapi/cpp/var.h"
  19 #include "ppapi/tests/test_utils.h"
  20 #include "ppapi/tests/testing_instance.h"
  21
  22 REGISTER_TEST_CASE(VideoSource);
  23
  24 namespace {
  25
  26 const PP_Resource kInvalidResource = 0;
  27 const PP_Instance kInvalidInstance = 0;
  28
  29 }
  30
  31 TestVideoSource::TestVideoSource(TestingInstance* instance)
  32     : TestCase(instance),
  33       ppb_video_source_private_interface_(NULL),
  34       ppb_core_interface_(NULL),
  35       event_(instance_->pp_instance()) {
  36 }
  37
  38 bool TestVideoSource::Init() {
  39   ppb_video_source_private_interface_ =
  40       static_cast<const PPB_VideoSource_Private*>(
  41           pp::Module::Get()->GetBrowserInterface(
  42               PPB_VIDEOSOURCE_PRIVATE_INTERFACE));
  43   if (!ppb_video_source_private_interface_)
  44     instance_->AppendError("PPB_VideoSource_Private interface not available");
  45
  46   ppb_core_interface_ = static_cast<const PPB_Core*>(
  47       pp::Module::Get()->GetBrowserInterface(PPB_CORE_INTERFACE));
  48   if (!ppb_core_interface_)
  49     instance_->AppendError("PPB_Core interface not available");
  50
  51   return ppb_video_source_private_interface_ && ppb_core_interface_;
  52 }
  53
  54 TestVideoSource::~TestVideoSource() {
  55 }
  56
  57 void TestVideoSource::RunTests(const std::string& filter) {
  58   RUN_TEST(Create, filter);
  59   RUN_TEST(GetFrame, filter);
  60 }
  61
  62 void TestVideoSource::HandleMessage(const pp::Var& message_data) {
  63   if (message_data.AsString().find("blob:") == 0) {
  64     stream_url_ = message_data.AsString();
  65     event_.Signal();
  66   }
  67 }
  68
  69 std::string TestVideoSource::TestCreate() {
  70   PP_Resource video_source;
  71   // Creating a source from an invalid instance returns an invalid resource.
  72   video_source = ppb_video_source_private_interface_->Create(kInvalidInstance);
  73   ASSERT_EQ(kInvalidResource, video_source);
  74   ASSERT_FALSE(
  75       ppb_video_source_private_interface_->IsVideoSource(video_source));
  76
  77   // Creating a source from a valid instance returns a valid resource.
  78   video_source =
  79       ppb_video_source_private_interface_->Create(instance_->pp_instance());
  80   ASSERT_NE(kInvalidResource, video_source);
  81   ASSERT_TRUE(
  82       ppb_video_source_private_interface_->IsVideoSource(video_source));
  83
  84   ppb_core_interface_->ReleaseResource(video_source);
  85   // Once released, the resource shouldn't be a video source.
  86   ASSERT_FALSE(
  87       ppb_video_source_private_interface_->IsVideoSource(video_source));
  88
  89   PASS();
  90 }
  91
  92 std::string TestVideoSource::TestGetFrame() {
  93   std::string js_code;
  94   js_code += "var test_stream;"
  95              "function gotStream(stream){"
  96              "  test_stream = stream;"
  97              "  var url = URL.createObjectURL(test_stream);"
  98              "  var plugin = document.getElementById('plugin');"
  99              "  plugin.postMessage(url);"
 100              "}"
 101              "navigator.webkitGetUserMedia("
 102              "{audio:false, video:true}, gotStream, function() {});";
 103   instance_->EvalScript(js_code);
 104   event_.Wait();
 105
 106   pp::VideoSource_Private video_source(instance_);
 107   TestCompletionCallback cc1(instance_->pp_instance(), false);
 108   cc1.WaitForResult(video_source.Open(stream_url_, cc1.GetCallback()));
 109   ASSERT_EQ(PP_OK, cc1.result());
 110   TestCompletionCallbackWithOutput<pp::VideoFrame_Private> cc2(
 111       instance_->pp_instance(), false);
 112   cc2.WaitForResult(video_source.GetFrame(cc2.GetCallback()));
 113   ASSERT_EQ(PP_OK, cc2.result());
 114   const pp::VideoFrame_Private video_frame = cc2.output();
 115   ASSERT_FALSE(video_frame.image_data().is_null());
 116
 117   video_source.Close();
 118
 119   PASS();
 120 }
 121