Roll FFMpeg for M26. Fix ffmpeg float audio decoding.

media/filters/pipeline_integration_test.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 "media/filters/pipeline_integration_test_base.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
+#include "build/build_config.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/decryptor_client.h"
 #include "media/base/test_data_util.h"
 #include "media/crypto/aes_decryptor.h"
 
 using testing::AtMost;
 
 namespace media {
 
 static const char kSourceId[] = "SourceId";
@@ skipping 266 matching lines @@
 
 TEST_F(PipelineIntegrationTest, BasicPlaybackHashed) {
   ASSERT_TRUE(Start(GetTestDataFilePath("bear-320x240.webm"),
                     PIPELINE_OK, true));
 
   Play();
 
   ASSERT_TRUE(WaitUntilOnEnded());
 
   EXPECT_EQ(GetVideoHash(), "f0be120a90a811506777c99a2cdf7cc1");
-  EXPECT_EQ(GetAudioHash(), "5699a4415b620e45b9d0aae531c9df76");
+
+  // Windows produces slightly different results due to differences in floating
+  // point functions (e.g. sin(), cos(), etc).
+#if defined(OS_WIN)
+  static const char* kExpectedAudioHash = "1c139e31a7a9e9a8978291ca35215e8f";
+#else
+  static const char* kExpectedAudioHash = "8d66c511a726827b2572e247bf6c02da";
+#endif
+  EXPECT_EQ(GetAudioHash(), kExpectedAudioHash);
 }
 
 TEST_F(PipelineIntegrationTest, BasicPlayback_MediaSource) {
   MockMediaSource source("bear-320x240.webm", kWebM, 219229);
   StartPipelineWithMediaSource(&source);
   source.EndOfStream();
   ASSERT_EQ(pipeline_status_, PIPELINE_OK);
 
   EXPECT_EQ(pipeline_->GetBufferedTimeRanges().size(), 1u);
   EXPECT_EQ(pipeline_->GetBufferedTimeRanges().start(0).InMilliseconds(), 0);
@@ skipping 135 matching lines @@
 // Verify video decoder & renderer can handle aborted demuxer reads.
 TEST_F(PipelineIntegrationTest, ChunkDemuxerAbortRead_VideoOnly) {
   ASSERT_TRUE(TestSeekDuringRead("bear-320x240-video-only.webm", kVideoOnlyWebM,
                                  32768,
                                  base::TimeDelta::FromMilliseconds(200),
                                  base::TimeDelta::FromMilliseconds(1668),
                                  0x1C896, 65536));
 }
 
 }  // namespace media