audio_renderer_impl_unittest.cc | Explore in Territory

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "media/renderers/audio_renderer_impl.h"

#include <memory>
#include <utility>
#include <vector>

#include "base/format_macros.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/scoped_refptr.h"
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/simple_test_tick_clock.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "media/base/audio_buffer_converter.h"
#include "media/base/audio_bus.h"
#include "media/base/fake_audio_renderer_sink.h"
#include "media/base/media_client.h"
#include "media/base/media_switches.h"
#include "media/base/media_util.h"
#include "media/base/mock_audio_renderer_sink.h"
#include "media/base/mock_filters.h"
#include "media/base/mock_media_log.h"
#include "media/base/speech_recognition_client.h"
#include "media/base/test_helpers.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

TimeDelta;
RunCallback;
RunOnceCallback;
_;
DoAll;
Return;
SaveArg;

namespace media {

namespace {

// Since AudioBufferConverter is used due to different input/output sample
// rates, define some helper types to differentiate between the two.
struct InputFrames { … };

struct OutputFrames { … };

}  // namespace

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

// Use a different output sample rate so the AudioBufferConverter is invoked.
constexpr int kInputSamplesPerSecond = …;
constexpr int kOutputSamplesPerSecond = …;
constexpr double kOutputMicrosPerFrame = …;

// Arbitrarily chosen frame count for a typical input audio buffer.
// NOTE: Do not assume that N InputFrames in translates to N OutputFrames.
// Format differences between "in" vs "out" (reconciled by AudioBufferConverter)
// will cause the N InputFrames to generate M OutputFrames, such that N and M
// may be off by a significant factor.
constexpr int kInputFramesChunk = …;

ACTION_P(EnterPendingDecoderInitStateAction, test) { … }

ACTION_P(AssertNotYetEnded, test) { … }

class AudioRendererImplTest : public ::testing::Test,
                              public RendererClient,
                              public SpeechRecognitionClient { … };

TEST_F(AudioRendererImplTest, Initialize_Successful) { … }

TEST_F(AudioRendererImplTest, Initialize_DecoderInitFailure) { … }

TEST_F(AudioRendererImplTest, ReinitializeForDifferentStream) { … }

TEST_F(AudioRendererImplTest, SignalConfigChange) { … }

TEST_F(AudioRendererImplTest, Preroll) { … }

TEST_F(AudioRendererImplTest, StartTicking) { … }

TEST_F(AudioRendererImplTest, EndOfStream) { … }

TEST_F(AudioRendererImplTest, DecoderUnderflow) { … }

TEST_F(AudioRendererImplTest, DemuxerUnderflow) { … }

TEST_F(AudioRendererImplTest, Underflow_CapacityResetsAfterFlush) { … }

TEST_F(AudioRendererImplTest, Underflow_CapacityIncreasesBeforeHaveNothing) { … }

TEST_F(AudioRendererImplTest, Underflow_OneCapacityIncreasePerUnderflow) { … }

// Verify that the proper reduced search space is configured for playback rate
// changes when upmixing is applied to the input.
TEST_F(AudioRendererImplTest, ChannelMask) { … }

// Verify that the proper channel mask is configured when downmixing is applied
// to the input with discrete layout. The default hardware layout is stereo.
TEST_F(AudioRendererImplTest, ChannelMask_DownmixDiscreteLayout) { … }

TEST_F(AudioRendererImplTest, Underflow_Flush) { … }

TEST_F(AudioRendererImplTest, PendingRead_Flush) { … }

TEST_F(AudioRendererImplTest, PendingRead_Destroy) { … }

TEST_F(AudioRendererImplTest, PendingFlush_Destroy) { … }

TEST_F(AudioRendererImplTest, InitializeThenDestroy) { … }

TEST_F(AudioRendererImplTest, InitializeThenDestroyDuringDecoderInit) { … }

TEST_F(AudioRendererImplTest, CurrentMediaTimeBehavior) { … }

TEST_F(AudioRendererImplTest, RenderingDelayedForEarlyStartTime) { … }

TEST_F(AudioRendererImplTest, RenderingDelayedForSuspend) { … }

TEST_F(AudioRendererImplTest, AbsurdRenderingDelayLog) { … }

TEST_F(AudioRendererImplTest, RenderingDelayDoesNotOverflow) { … }

TEST_F(AudioRendererImplTest, ImmediateEndOfStream) { … }

TEST_F(AudioRendererImplTest, OnRenderErrorCausesDecodeError) { … }

// Test for AudioRendererImpl calling Pause()/Play() on the sink when the
// playback rate is set to zero and non-zero.
TEST_F(AudioRendererImplTest, SetPlaybackRate) { … }

TEST_F(AudioRendererImplTest, TimeSourceBehavior) { … }

TEST_F(AudioRendererImplTest, MultipleRateChangesKeepSync) { … }

TEST_F(AudioRendererImplTest, BitstreamEndOfStream) { … }

TEST_F(AudioRendererImplTest, MutedPlaybackBadDeviceInfo) { … }

TEST_F(AudioRendererImplTest, BasicMutedPlayback) { … }

TEST_F(AudioRendererImplTest, SinkIsFlushed) { … }

TEST_F(AudioRendererImplTest, LowLatencyHint) { … }

TEST_F(AudioRendererImplTest, HighLatencyHint) { … }

TEST_F(AudioRendererImplTest, PlayUnmuted) { … }

TEST_F(AudioRendererImplTest, UnmuteWhilePlaying) { … }

TEST_F(AudioRendererImplTest, DecodeAudioReadyPreemptsFlush) { … }

#if !BUILDFLAG(IS_ANDROID)
TEST_F(AudioRendererImplTest,
       TranscribeAudioCallback_SpeechRecognitionDisabled) { … }

TEST_F(AudioRendererImplTest,
       TranscribeAudioCallback_Muted_WithoutUserActivation) { … }

TEST_F(AudioRendererImplTest,
       TranscribeAudioCallback_Unmuted_WithoutUserActivation) { … }

TEST_F(AudioRendererImplTest,
       TranscribeAudioCallback_Muted_WithUserActivation) { … }
#endif

}  // namespace media
chromium/media/renderers/audio_renderer_impl_unittest.cc
