MSE: Record counts of detected MSE audio, video and text tracks

media/formats/webm/webm_stream_parser_unittest.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 "base/bind.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/media_tracks.h"
 #include "media/base/mock_media_log.h"
+#include "media/base/stream_parser.h"
 #include "media/base/test_data_util.h"
 #include "media/base/text_track_config.h"
 #include "media/formats/webm/webm_stream_parser.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using testing::SaveArg;
 using testing::_;
 
 namespace media {
 
 class WebMStreamParserTest : public testing::Test {
  public:
   WebMStreamParserTest()
-      : media_log_(new testing::StrictMock<MockMediaLog>()) {}
+      : media_log_(new testing::StrictMock<MockMediaLog>()),
+        params_(base::TimeDelta()) {}
 
  protected:
   void ParseWebMFile(const std::string& filename) {
     scoped_refptr<DecoderBuffer> buffer = ReadTestDataFile(filename);
     parser_.reset(new WebMStreamParser());
     Demuxer::EncryptedMediaInitDataCB encrypted_media_init_data_cb =
         base::Bind(&WebMStreamParserTest::OnEncryptedMediaInitData,
                    base::Unretained(this));
 
-    EXPECT_CALL(*this, InitCB(_));
+    EXPECT_CALL(*this, InitCB(_)).WillOnce(SaveArg<0>(&params_));
     EXPECT_CALL(*this, NewMediaSegmentCB()).Times(testing::AnyNumber());
     EXPECT_CALL(*this, EndMediaSegmentCB()).Times(testing::AnyNumber());
     EXPECT_CALL(*this, NewBuffersCB(_, _, _))
         .Times(testing::AnyNumber())
         .WillRepeatedly(testing::Return(true));
     parser_->Init(
         base::Bind(&WebMStreamParserTest::InitCB, base::Unretained(this)),
         base::Bind(&WebMStreamParserTest::NewConfigCB, base::Unretained(this)),
         base::Bind(&WebMStreamParserTest::NewBuffersCB, base::Unretained(this)),
-        true,  // ignore_text_track
+        false,  // don't ignore_text_track
         encrypted_media_init_data_cb,
         base::Bind(&WebMStreamParserTest::NewMediaSegmentCB,
                    base::Unretained(this)),
         base::Bind(&WebMStreamParserTest::EndMediaSegmentCB,
                    base::Unretained(this)),
         media_log_);
     bool result = parser_->Parse(buffer->data(), buffer->data_size());
     EXPECT_TRUE(result);
   }
 
@@ skipping 12 matching lines @@
                     const StreamParser::TextBufferQueueMap&));
   MOCK_METHOD2(OnEncryptedMediaInitData,
                void(EmeInitDataType init_data_type,
                     const std::vector<uint8_t>& init_data));
   MOCK_METHOD0(NewMediaSegmentCB, void());
   MOCK_METHOD0(EndMediaSegmentCB, void());
 
   scoped_refptr<testing::StrictMock<MockMediaLog>> media_log_;
   scoped_ptr<WebMStreamParser> parser_;
   scoped_ptr<MediaTracks> media_tracks_;
+  StreamParser::InitParameters params_;
 };
 
 TEST_F(WebMStreamParserTest, VerifyMediaTrackMetadata) {
   EXPECT_MEDIA_LOG(testing::HasSubstr("Estimating WebM block duration"))
       .Times(testing::AnyNumber());
   ParseWebMFile("bear.webm");
   EXPECT_NE(media_tracks_.get(), nullptr);
 
   EXPECT_EQ(media_tracks_->tracks().size(), 2u);
 
   const MediaTrack& video_track = *(media_tracks_->tracks()[0]);
   EXPECT_EQ(video_track.type(), MediaTrack::Video);
   EXPECT_EQ(video_track.id(), "1");
   EXPECT_EQ(video_track.kind(), "main");
   EXPECT_EQ(video_track.label(), "");
   EXPECT_EQ(video_track.language(), "und");
 
   const MediaTrack& audio_track = *(media_tracks_->tracks()[1]);
   EXPECT_EQ(audio_track.type(), MediaTrack::Audio);
   EXPECT_EQ(audio_track.id(), "2");
   EXPECT_EQ(audio_track.kind(), "main");
   EXPECT_EQ(audio_track.label(), "");
   EXPECT_EQ(audio_track.language(), "und");
 }
 
+TEST_F(WebMStreamParserTest, VerifyDetectedTrack_AudioOnly) {
+  EXPECT_MEDIA_LOG(testing::HasSubstr("Estimating WebM block duration"))
+      .Times(testing::AnyNumber());
+  ParseWebMFile("bear-320x240-audio-only.webm");
+  EXPECT_EQ(media_tracks_->tracks().size(), 1u);
+  EXPECT_EQ(media_tracks_->tracks()[0]->type(), MediaTrack::Audio);
+  EXPECT_EQ(params_.detected_audio_track_count, 1);
+  EXPECT_EQ(params_.detected_video_track_count, 0);
+  EXPECT_EQ(params_.detected_text_track_count, 0);
+}
+
+TEST_F(WebMStreamParserTest, VerifyDetectedTrack_VideoOnly) {
+  ParseWebMFile("bear-320x240-video-only.webm");
+  EXPECT_EQ(media_tracks_->tracks().size(), 1u);
+  EXPECT_EQ(media_tracks_->tracks()[0]->type(), MediaTrack::Video);
+  EXPECT_EQ(params_.detected_audio_track_count, 0);
+  EXPECT_EQ(params_.detected_video_track_count, 1);
+  EXPECT_EQ(params_.detected_text_track_count, 0);
+}
+
+TEST_F(WebMStreamParserTest, VerifyDetectedTracks_AVText) {
+  EXPECT_MEDIA_LOG(testing::HasSubstr("Estimating WebM block duration"))
+      .Times(testing::AnyNumber());
+  ParseWebMFile("bear-vp8-webvtt.webm");
+  EXPECT_EQ(media_tracks_->tracks().size(), 2u);
+  EXPECT_EQ(media_tracks_->tracks()[0]->type(), MediaTrack::Video);
+  EXPECT_EQ(media_tracks_->tracks()[1]->type(), MediaTrack::Audio);
+  EXPECT_EQ(params_.detected_audio_track_count, 1);
+  EXPECT_EQ(params_.detected_video_track_count, 1);
+  EXPECT_EQ(params_.detected_text_track_count, 1);
+}
+
 }  // namespace media