Refactor MediaResource to be multi-stream capable

media/test/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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <utility>
 
@@ skipping 1162 matching lines @@
   ASSERT_TRUE(Seek(seek_time));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
   EXPECT_HASH_EQ(kOpusEndTrimmingHash_3, GetAudioHash());
 }
 
 TEST_F(PipelineIntegrationTest,
        MAYBE_CLOCKLESS(BasicPlaybackOpusPrerollExceedsCodecDelay)) {
   ASSERT_EQ(PIPELINE_OK, Start("bear-opus.webm", kHashed | kClockless));
 
-  AudioDecoderConfig config =
-      demuxer_->GetStream(DemuxerStream::AUDIO)->audio_decoder_config();
+  EXPECT_EQ(1u, demuxer_->GetStreams().size());
+  AudioDecoderConfig config = demuxer_->GetStreams()[0]->audio_decoder_config();
 
   // Verify that this file's preroll is not eclipsed by the codec delay so we
   // can detect when preroll is not properly performed.
   base::TimeDelta codec_delay = base::TimeDelta::FromSecondsD(
       static_cast<double>(config.codec_delay()) / config.samples_per_second());
   ASSERT_GT(config.seek_preroll(), codec_delay);
 
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
   EXPECT_HASH_EQ(kOpusSmallCodecDelayHash_1, GetAudioHash());
 
   // Seek halfway through the file to invoke seek preroll.
   ASSERT_TRUE(Seek(base::TimeDelta::FromSecondsD(1.414)));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
   EXPECT_HASH_EQ(kOpusSmallCodecDelayHash_2, GetAudioHash());
 }
 
 TEST_F(PipelineIntegrationTest,
        MAYBE_CLOCKLESS(BasicPlaybackOpusPrerollExceedsCodecDelay_MediaSource)) {
   MockMediaSource source("bear-opus.webm", kOpusAudioOnlyWebM,
                          kAppendWholeFile);
   EXPECT_EQ(PIPELINE_OK, StartPipelineWithMediaSource(
                              &source, kClockless | kHashed, nullptr));
   source.EndOfStream();
 
-  AudioDecoderConfig config =
-      demuxer_->GetStream(DemuxerStream::AUDIO)->audio_decoder_config();
+  EXPECT_EQ(1u, demuxer_->GetStreams().size());
+  AudioDecoderConfig config = demuxer_->GetStreams()[0]->audio_decoder_config();
 
   // Verify that this file's preroll is not eclipsed by the codec delay so we
   // can detect when preroll is not properly performed.
   base::TimeDelta codec_delay = base::TimeDelta::FromSecondsD(
       static_cast<double>(config.codec_delay()) / config.samples_per_second());
   ASSERT_GT(config.seek_preroll(), codec_delay);
 
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
   EXPECT_HASH_EQ(kOpusSmallCodecDelayHash_1, GetAudioHash());
@@ skipping 1294 matching lines @@
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
 }
 
 // Verify that OPUS audio in a webm which reports a 44.1kHz sample rate plays
 // correctly at 48kHz
 TEST_F(PipelineIntegrationTest, BasicPlayback_Opus441kHz) {
   ASSERT_EQ(PIPELINE_OK, Start("sfx-opus-441.webm"));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
-  EXPECT_EQ(48000, demuxer_->GetStream(DemuxerStream::AUDIO)
-                       ->audio_decoder_config()
-                       .samples_per_second());
+
+  EXPECT_EQ(1u, demuxer_->GetStreams().size());
+  EXPECT_EQ(
+      48000,
+      demuxer_->GetStreams()[0]->audio_decoder_config().samples_per_second());
 }
 
 // Same as above but using MediaSource.
 TEST_F(PipelineIntegrationTest, BasicPlayback_MediaSource_Opus441kHz) {
   MockMediaSource source("sfx-opus-441.webm", kOpusAudioOnlyWebM,
                          kAppendWholeFile);
   EXPECT_EQ(PIPELINE_OK, StartPipelineWithMediaSource(&source));
   source.EndOfStream();
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
   source.Shutdown();
   Stop();
-  EXPECT_EQ(48000, demuxer_->GetStream(DemuxerStream::AUDIO)
-                       ->audio_decoder_config()
-                       .samples_per_second());
+  EXPECT_EQ(1u, demuxer_->GetStreams().size());
+  EXPECT_EQ(
+      48000,
+      demuxer_->GetStreams()[0]->audio_decoder_config().samples_per_second());
 }
 
 // Ensures audio-only playback with missing or negative timestamps works.  Tests
 // the common live-streaming case for chained ogg.  See http://crbug.com/396864.
 TEST_F(PipelineIntegrationTest, BasicPlaybackChainedOgg) {
   ASSERT_EQ(PIPELINE_OK, Start("double-sfx.ogg", kUnreliableDuration));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
   ASSERT_EQ(base::TimeDelta(), demuxer_->GetStartTime());
 }
@@ skipping 29 matching lines @@
 
 TEST_F(PipelineIntegrationTest, BasicPlaybackPositiveStartTime) {
   ASSERT_EQ(PIPELINE_OK, Start("nonzero-start-time.webm"));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
   ASSERT_EQ(base::TimeDelta::FromMicroseconds(396000),
             demuxer_->GetStartTime());
 }
 
 }  // namespace media