audio_decoder_broker_test.cc | Explore in Territory

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/modules/webcodecs/audio_decoder_broker.h"

#include <memory>
#include <vector>

#include "base/files/file_util.h"
#include "base/run_loop.h"
#include "build/build_config.h"
#include "media/base/audio_codecs.h"
#include "media/base/channel_layout.h"
#include "media/base/decoder_buffer.h"
#include "media/base/decoder_status.h"
#include "media/base/media_util.h"
#include "media/base/mock_filters.h"
#include "media/base/sample_format.h"
#include "media/base/test_data_util.h"
#include "media/base/test_helpers.h"
#include "media/mojo/buildflags.h"
#include "media/mojo/mojom/audio_decoder.mojom.h"
#include "media/mojo/mojom/interface_factory.mojom.h"
#include "media/mojo/services/interface_factory_impl.h"
#include "media/mojo/services/mojo_audio_decoder_service.h"
#include "media/mojo/services/mojo_cdm_service_context.h"
#include "media/mojo/services/mojo_media_client.h"
#include "mojo/public/cpp/bindings/unique_receiver_set.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/thread_safe_browser_interface_broker_proxy.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_testing.h"
#include "third_party/blink/renderer/platform/testing/task_environment.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"

_;
Return;

namespace blink {

namespace {

// Constants to specify the type of audio data used.
constexpr media::AudioCodec kCodec = …;
constexpr media::SampleFormat kSampleFormat = …;
constexpr media::ChannelLayout kChannelLayout = …;
constexpr int kChannels = …;
constexpr int kSamplesPerSecond = …;
constexpr int kInputFramesChunk = …;

// FakeAudioDecoder is very agreeable.
// - any configuration is supported
// - all decodes immediately succeed
// - non EOS decodes produce an output
// - reset immediately succeeds.
class FakeAudioDecoder : public media::MockAudioDecoder { … };

class FakeMojoMediaClient : public media::MojoMediaClient { … };

// Other end of remote InterfaceFactory requested by AudioDecoderBroker. Used
// to create our (fake) media::mojom::AudioDecoder.
class FakeInterfaceFactory : public media::mojom::InterfaceFactory { … };

}  // namespace

class AudioDecoderBrokerTest : public testing::Test { … };

TEST_F(AudioDecoderBrokerTest, Decode_Uninitialized) { … }

media::AudioDecoderConfig MakeVorbisConfig() { … }

TEST_F(AudioDecoderBrokerTest, Decode_NoMojoDecoder) { … }

#if BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
TEST_F(AudioDecoderBrokerTest, Decode_WithMojoDecoder) {
  V8TestingScope v8_scope;
  ExecutionContext* execution_context = v8_scope.GetExecutionContext();

  SetupMojo(*execution_context);
  ConstructDecoder(*execution_context);
  EXPECT_EQ(GetDecoderType(), media::AudioDecoderType::kBroker);
  EXPECT_FALSE(IsPlatformDecoder());
  EXPECT_FALSE(SupportsDecryption());

  // Use an MpegH config to prevent FFmpeg from being selected.
  InitializeDecoder(media::AudioDecoderConfig(
      media::AudioCodec::kMpegHAudio, kSampleFormat, kChannelLayout,
      kSamplesPerSecond, media::EmptyExtraData(),
      media::EncryptionScheme::kUnencrypted));
  EXPECT_EQ(GetDecoderType(), media::AudioDecoderType::kTesting);

  // Using vorbis buffer here because its easy and the fake decoder generates
  // output regardless of the input details.
  DecodeBuffer(media::ReadTestDataFile("vorbis-packet-0"));
  DecodeBuffer(media::DecoderBuffer::CreateEOSBuffer());
  // Our fake decoder immediately generates output for any input.
  ASSERT_EQ(1U, output_buffers_.size());

  // True for MojoAudioDecoder.
  EXPECT_TRUE(IsPlatformDecoder());
  // True for for MojoVideoDecoder on Android, but WebCodecs doesn't do
  // decryption, so this is hard-coded to false.
  EXPECT_FALSE(SupportsDecryption());

  ResetDecoder();
}
#endif  // BUILDFLAG(ENABLE_MOJO_AUDIO_DECODER)
}  // namespace blink
chromium/third_party/blink/renderer/modules/webcodecs/audio_decoder_broker_test.cc
