Roll FFMpeg for M26. Fix ffmpeg float audio decoding.

media/filters/chunk_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 "base/bind.h"
 #include "base/message_loop.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/mock_demuxer_host.h"
 #include "media/base/test_data_util.h"
@@ skipping 765 matching lines @@
     ASSERT_TRUE(InitDemuxerWithEncryptionInfo(
         has_audio, has_video, is_audio_encrypted, is_video_encrypted));
 
     scoped_refptr<DemuxerStream> audio_stream =
         demuxer_->GetStream(DemuxerStream::AUDIO);
     if (has_audio) {
       ASSERT_TRUE(audio_stream);
 
       const AudioDecoderConfig& config = audio_stream->audio_decoder_config();
       EXPECT_EQ(kCodecVorbis, config.codec());
-      EXPECT_EQ(16, config.bits_per_channel());
+      EXPECT_EQ(32, config.bits_per_channel());
       EXPECT_EQ(CHANNEL_LAYOUT_STEREO, config.channel_layout());
       EXPECT_EQ(44100, config.samples_per_second());
       EXPECT_TRUE(config.extra_data());
       EXPECT_GT(config.extra_data_size(), 0u);
+      EXPECT_EQ(kSampleFormatPlanarF32, config.sample_format());
       EXPECT_EQ(is_audio_encrypted,
                 audio_stream->audio_decoder_config().is_encrypted());
     } else {
       EXPECT_FALSE(audio_stream);
     }
 
     scoped_refptr<DemuxerStream> video_stream =
         demuxer_->GetStream(DemuxerStream::VIDEO);
     if (has_video) {
       EXPECT_TRUE(video_stream);
@@ skipping 1686 matching lines @@
   scoped_ptr<Cluster> cluster_a(kDefaultFirstCluster());
   ASSERT_TRUE(AppendData(cluster_a->data(), cluster_a->size()));
   demuxer_->EndOfStream(PIPELINE_OK);
 
   scoped_ptr<Cluster> cluster_b(kDefaultSecondCluster());
   ASSERT_TRUE(AppendData(cluster_b->data(), cluster_b->size()));
   demuxer_->EndOfStream(PIPELINE_OK);
 }
 
 }  // namespace media