Media Galleries API Metadata: Add audio video metadata extractor.

media/base/audio_video_metadata_extractor_unittest.cc

+// Copyright 2013 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/logging.h"
+#include "build/build_config.h"
+#include "media/base/audio_video_metadata_extractor.h"
+#include "media/base/test_data_util.h"
+#include "media/filters/file_data_source.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+void RunExtractor(
+    const std::string& filename,
+    bool expected_result,
+    const std::string& expected_type,
+    int expected_duration,
+    int expected_width,
+    int expected_height,
+    std::map<std::string, std::string>* tags_result) {
+  FileDataSource source;
+  ASSERT_TRUE(source.Initialize(GetTestDataFilePath(filename)));
+
+  AudioVideoMetadataExtractor extractor(&source);
+  bool extracted = extractor.Extract();
+  ASSERT_EQ(expected_result, extracted);
+
+  if (!extracted)
+    return;
+
+  EXPECT_EQ(expected_type, extractor.GetFormat());
+  EXPECT_EQ(expected_duration, extractor.GetDurationSeconds());
+
+  EXPECT_EQ(expected_width, extractor.GetWidth());
+  EXPECT_EQ(expected_height, extractor.GetHeight());
+
+  if (tags_result)
+    *tags_result = extractor.GetTags();
+}
+
+TEST(AudioVideoMetadataExtractorTest, InvalidFile) {
+  RunExtractor("ten_byte_file", false, "", 0, 0, 0, NULL);
+}
+
+TEST(AudioVideoMetadataExtractorTest, AudioOGG) {
+  std::map<std::string, std::string> tags;
+  RunExtractor("9ch.ogg", true, "ogg", 0, 0, 0, &tags);
+  ASSERT_EQ(1u, tags.size());
+  EXPECT_EQ("Processed by SoX", tags["comment"]);
+}
+
+TEST(AudioVideoMetadataExtractorTest, AudioWAV) {
+  std::map<std::string, std::string> tags;
+  RunExtractor("sfx_u8.wav", true, "wav", 0, 0, 0, &tags);
+  ASSERT_EQ(2u, tags.size());
+  EXPECT_EQ("Lavf54.37.100", tags["encoder"]);
+  EXPECT_EQ("Amadeus Pro", tags["encoded_by"]);
+}
+
+TEST(AudioVideoMetadataExtractorTest, VideoWebM) {
+  std::map<std::string, std::string> tags;
+  RunExtractor("bear-320x240-multitrack.webm", true, "matroska,webm", 2,
+               320, 240, &tags);
+  ASSERT_EQ(1u, tags.size());
+  EXPECT_EQ("Lavf53.9.0", tags["encoder"]);
+}
+
+#if defined(USE_PROPRIETARY_CODECS)
+TEST(AudioVideoMetadataExtractorTest, AudioMP3) {
+  std::map<std::string, std::string> tags;
+  RunExtractor("id3_png_test.mp3", true, "mp3", 1, 0, 0, &tags);
+
+  ASSERT_EQ(7u, tags.size());
+  EXPECT_EQ("Airbag", tags["title"]);
+  EXPECT_EQ("Radiohead", tags["artist"]);
+  EXPECT_EQ("OK Computer", tags["album"]);
+  EXPECT_EQ("1", tags["track"]);
+  EXPECT_EQ("Alternative", tags["genre"]);
+  EXPECT_EQ("1997", tags["date"]);
+  EXPECT_EQ("Lavf54.4.100", tags["encoder"]);
+}
+#endif
+
+}  // namespace media