Fix mimetype mappings for FLAC support.

media/filters/ffmpeg_demuxer_unittest.cc

 // Copyright (c) 2012 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 <stdint.h>
 
 #include <algorithm>
 #include <deque>
 #include <string>
@@ skipping 1433 matching lines @@
   };
 
   for (size_t i = 0; i < arraysize(invalid_date_strings); ++i) {
     const char* date_string = invalid_date_strings[i];
     base::Time result;
     EXPECT_FALSE(base::Time::FromUTCString(date_string, &result))
         << "date_string '" << date_string << "'";
   }
 }
 
+TEST_F(FFmpegDemuxerTest, Read_Flac) {
+  CreateDemuxer("sfx.flac");
+  InitializeDemuxer();
+
+  // Video stream should not be present.
+  EXPECT_EQ(nullptr, demuxer_->GetStream(DemuxerStream::VIDEO));
+
+  // Audio stream should be present.
+  DemuxerStream* stream = demuxer_->GetStream(DemuxerStream::AUDIO);
+  ASSERT_TRUE(stream);
+  EXPECT_EQ(DemuxerStream::AUDIO, stream->type());
+
+  const AudioDecoderConfig& audio_config = stream->audio_decoder_config();
+  EXPECT_EQ(kCodecFLAC, audio_config.codec());
+  EXPECT_EQ(32, audio_config.bits_per_channel());
+  EXPECT_EQ(CHANNEL_LAYOUT_MONO, audio_config.channel_layout());
+  EXPECT_EQ(44100, audio_config.samples_per_second());
+  EXPECT_EQ(kSampleFormatS32, audio_config.sample_format());
+}
+
 }  // namespace media