Roll FFMpeg for M26. Fix ffmpeg float audio decoding.

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 <algorithm>
 #include <deque>
 #include <string>
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 233 matching lines @@
   EXPECT_FALSE(video_config.extra_data());
   EXPECT_EQ(0u, video_config.extra_data_size());
 
   // Audio stream should be present.
   stream = demuxer_->GetStream(DemuxerStream::AUDIO);
   ASSERT_TRUE(stream);
   EXPECT_EQ(DemuxerStream::AUDIO, stream->type());
 
   const AudioDecoderConfig& audio_config = stream->audio_decoder_config();
   EXPECT_EQ(kCodecVorbis, audio_config.codec());
-  EXPECT_EQ(16, audio_config.bits_per_channel());
+  EXPECT_EQ(32, audio_config.bits_per_channel());
   EXPECT_EQ(CHANNEL_LAYOUT_STEREO, audio_config.channel_layout());
   EXPECT_EQ(44100, audio_config.samples_per_second());
+  EXPECT_EQ(kSampleFormatFLTP, audio_config.sample_format());
   EXPECT_TRUE(audio_config.extra_data());
   EXPECT_GT(audio_config.extra_data_size(), 0u);
 
   // Unknown stream should never be present.
   EXPECT_FALSE(demuxer_->GetStream(DemuxerStream::UNKNOWN));
 }
 
 TEST_F(FFmpegDemuxerTest, Initialize_Multitrack) {
   // Open a file containing the following streams:
   //   Stream #0: Video (VP8)
@@ skipping 349 matching lines @@
 TEST_F(FFmpegDemuxerTest, UnsupportedVideoSupportedAudioDemux) {
   CreateDemuxer("vorbis_audio_wmv_video.mkv");
   InitializeDemuxer();
 
   // Ensure the expected streams are present.
   EXPECT_FALSE(demuxer_->GetStream(DemuxerStream::VIDEO));
   EXPECT_TRUE(demuxer_->GetStream(DemuxerStream::AUDIO));
 }
 
 }  // namespace media