Add support for config changes during playback to FFmpegVideoDecoder.

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_callback.h"
 #include "media/base/mock_demuxer_host.h"
@@ skipping 2038 matching lines @@
   EXPECT_EQ(video_config_1.natural_size().width(), 320);
   EXPECT_EQ(video_config_1.natural_size().height(), 240);
 
   ExpectRead(stream, 0);
 
   ReadUntilNotOkOrEndOfStream(stream, &status, &last_timestamp);
 
   ASSERT_EQ(status, DemuxerStream::kConfigChanged);
   EXPECT_EQ(last_timestamp.InMilliseconds(), 501);
 
-  // Verify that another read will result in kConfigChanged being returned
-  // again.
-  ExpectConfigChanged(stream);
-
   // Fetch the new decoder config.
   const VideoDecoderConfig& video_config_2 = stream->video_decoder_config();
   ASSERT_TRUE(video_config_2.IsValidConfig());
   EXPECT_EQ(video_config_2.natural_size().width(), 640);
   EXPECT_EQ(video_config_2.natural_size().height(), 360);
 
   ExpectRead(stream, 527);
 
   // Read until the next config change.
   ReadUntilNotOkOrEndOfStream(stream, &status, &last_timestamp);
   ASSERT_EQ(status, DemuxerStream::kConfigChanged);
   EXPECT_EQ(last_timestamp.InMilliseconds(), 793);
 
-  // Verify we get another ConfigChanged status.
-  ExpectConfigChanged(stream);
-
   // Get the new config and verify that it matches the first one.
   ASSERT_TRUE(video_config_1.Matches(stream->video_decoder_config()));
 
   ExpectRead(stream, 801);
 
   // Read until the end of the stream just to make sure there aren't any other
   // config changes.
   ReadUntilNotOkOrEndOfStream(stream, &status, &last_timestamp);
   ASSERT_EQ(status, DemuxerStream::kOk);
 }
@@ skipping 14 matching lines @@
   EXPECT_EQ(audio_config_1.samples_per_second(), 44100);
   EXPECT_EQ(audio_config_1.extra_data_size(), 3863u);
 
   ExpectRead(stream, 0);
 
   ReadUntilNotOkOrEndOfStream(stream, &status, &last_timestamp);
 
   ASSERT_EQ(status, DemuxerStream::kConfigChanged);
   EXPECT_EQ(last_timestamp.InMilliseconds(), 524);
 
-  // Verify that another read will result in kConfigChanged being returned
-  // again.
-  ExpectConfigChanged(stream);
-
   // Fetch the new decoder config.
   const AudioDecoderConfig& audio_config_2 = stream->audio_decoder_config();
   ASSERT_TRUE(audio_config_2.IsValidConfig());
   EXPECT_EQ(audio_config_2.samples_per_second(), 44100);
   EXPECT_EQ(audio_config_2.extra_data_size(), 3935u);
 
   ExpectRead(stream, 527);
 
   // Read until the next config change.
   ReadUntilNotOkOrEndOfStream(stream, &status, &last_timestamp);
   ASSERT_EQ(status, DemuxerStream::kConfigChanged);
   EXPECT_EQ(last_timestamp.InMilliseconds(), 759);
 
-  // Verify we get another ConfigChanged status.
-  ExpectConfigChanged(stream);
-
   // Get the new config and verify that it matches the first one.
   ASSERT_TRUE(audio_config_1.Matches(stream->audio_decoder_config()));
 
   ExpectRead(stream, 779);
 
   // Read until the end of the stream just to make sure there aren't any other
   // config changes.
   ReadUntilNotOkOrEndOfStream(stream, &status, &last_timestamp);
   ASSERT_EQ(status, DemuxerStream::kOk);
 }
@@ skipping 194 matching lines @@
 
   scoped_ptr<Cluster> cluster_a(kDefaultFirstCluster());
   ASSERT_TRUE(AppendData(cluster_a->data(), cluster_a->size()));
 
   EXPECT_CALL(host_, SetDuration(
       base::TimeDelta::FromMilliseconds(kDefaultFirstClusterEndTimestamp)));
   demuxer_->EndOfStream(PIPELINE_OK);
 }
 
 }  // namespace media