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Made MixerAudioSource a pure interface.

Browse Source 
This required quite a few small changes in the mixing algorithm
structure, the mixer interface and the mixer unit tests.

BUG=webrtc:6346

Review-Url: https://codereview.webrtc.org/2396483002
Cr-Commit-Position: refs/heads/master@{#14567}
This commit is contained in:
aleloi
2016-10-07 04:30:10 -07:00
committed by Commit bot
parent 2334b70851
commit 2ae5fdff86
10 changed files with 179 additions and 125 deletions
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3
webrtc/modules/audio_mixer/BUILD.gn
View File

@ -17,10 +17,11 @@ rtc_static_library("audio_mixer") {
"audio_frame_manipulator.cc",
"audio_frame_manipulator.h",
"audio_mixer.h",
"audio_mixer_defines.cc",
"audio_mixer_defines.h",
"audio_mixer_impl.cc",
"audio_mixer_impl.h",
"audio_source_with_mix_status.cc",
"audio_source_with_mix_status.h",
]
public = [

4
webrtc/modules/audio_mixer/audio_frame_manipulator.cc
View File

@ -30,11 +30,11 @@ const float kRampArray[] = {
const size_t kRampSize = sizeof(kRampArray) / sizeof(kRampArray[0]);
} // namespace
uint32_t NewMixerCalculateEnergy(const AudioFrame& audio_frame) {
uint32_t AudioMixerCalculateEnergy(const AudioFrame& audio_frame) {
uint32_t energy = 0;
for (size_t position = 0; position < audio_frame.samples_per_channel_;
position++) {
// TODO(andrew): this can easily overflow.
// TODO(aleloi): This can overflow. Convert to floats.
energy += audio_frame.data_[position] * audio_frame.data_[position];
}
return energy;

2
webrtc/modules/audio_mixer/audio_frame_manipulator.h
View File

@ -17,7 +17,7 @@
namespace webrtc {
// Updates the audioFrame's energy (based on its samples).
uint32_t NewMixerCalculateEnergy(const AudioFrame& audio_frame);
uint32_t AudioMixerCalculateEnergy(const AudioFrame& audio_frame);
// Apply linear step function that ramps in/out the audio samples in audio_frame
void NewMixerRampIn(AudioFrame* audio_frame);

3
webrtc/modules/audio_mixer/audio_mixer.gypi
View File

@ -22,10 +22,11 @@
'audio_frame_manipulator.cc',
'audio_frame_manipulator.h',
'audio_mixer.h',
'audio_mixer_defines.cc',
'audio_mixer_defines.h',
'audio_mixer_impl.cc',
'audio_mixer_impl.h',
'audio_source_with_mix_status.cc',
'audio_source_with_mix_status.h',
],
},
], # targets

21
webrtc/modules/audio_mixer/audio_mixer_defines.h
View File

@ -35,6 +35,8 @@ class MixerAudioSource {
AudioFrameInfo audio_frame_info;
};
virtual ~MixerAudioSource() = default;
// The implementation of GetAudioFrameWithMuted should update
// audio_frame with new audio every time it's called. Implementing
// classes are allowed to return the same AudioFrame pointer on
@ -43,25 +45,6 @@ class MixerAudioSource {
// mixer.
virtual AudioFrameWithMuted GetAudioFrameWithMuted(int32_t id,
int sample_rate_hz) = 0;
// Returns true if the audio source was mixed this mix iteration.
bool IsMixed() const;
// Returns true if the audio source was mixed previous mix
// iteration.
bool WasMixed() const;
// Updates the mixed status.
int32_t SetIsMixed(bool mixed);
void ResetMixedStatus();
private:
bool is_mixed_;
protected:
MixerAudioSource();
virtual ~MixerAudioSource();
};
} // namespace webrtc

161
webrtc/modules/audio_mixer/audio_mixer_impl.cc
View File

@ -14,6 +14,7 @@
#include <functional>
#include <utility>
#include "webrtc/base/logging.h"
#include "webrtc/modules/audio_mixer/audio_frame_manipulator.h"
#include "webrtc/modules/utility/include/audio_frame_operations.h"
#include "webrtc/system_wrappers/include/trace.h"
@ -23,29 +24,26 @@ namespace {
class SourceFrame {
public:
SourceFrame(MixerAudioSource* p, AudioFrame* a, bool m, bool was_mixed_before)
: audio_source_(p),
audio_frame_(a),
muted_(m),
was_mixed_before_(was_mixed_before) {
SourceFrame(AudioSourceWithMixStatus* audio_source,
AudioFrame* audio_frame,
bool muted)
: audio_source_(audio_source), audio_frame_(audio_frame), muted_(muted) {
if (!muted_) {
energy_ = NewMixerCalculateEnergy(*a);
energy_ = AudioMixerCalculateEnergy(*audio_frame);
}
}
SourceFrame(MixerAudioSource* p,
AudioFrame* a,
bool m,
bool was_mixed_before,
SourceFrame(AudioSourceWithMixStatus* audio_source,
AudioFrame* audio_frame,
bool muted,
uint32_t energy)
: audio_source_(p),
audio_frame_(a),
muted_(m),
energy_(energy),
was_mixed_before_(was_mixed_before) {}
: audio_source_(audio_source),
audio_frame_(audio_frame),
muted_(muted),
energy_(energy) {}
// a.shouldMixBefore(b) is used to select mixer participants.
bool shouldMixBefore(const SourceFrame& other) const {
// a.ShouldMixBefore(b) is used to select mixer sources.
bool ShouldMixBefore(const SourceFrame& other) const {
if (muted_ != other.muted_) {
return other.muted_;
}
@ -60,11 +58,10 @@ class SourceFrame {
return energy_ > other.energy_;
}
MixerAudioSource* audio_source_;
AudioFrame* audio_frame_;
bool muted_;
uint32_t energy_;
bool was_mixed_before_;
AudioSourceWithMixStatus* audio_source_ = nullptr;
AudioFrame* audio_frame_ = nullptr;
bool muted_ = true;
uint32_t energy_ = 0;
};
// Remixes a frame between stereo and mono.
@ -80,13 +77,13 @@ void RemixFrame(AudioFrame* frame, size_t number_of_channels) {
void Ramp(const std::vector<SourceFrame>& mixed_sources_and_frames) {
for (const auto& source_frame : mixed_sources_and_frames) {
// Ramp in previously unmixed.
if (!source_frame.was_mixed_before_) {
if (!source_frame.audio_source_->WasMixed()) {
NewMixerRampIn(source_frame.audio_frame_);
}
const bool is_mixed = source_frame.audio_source_->IsMixed();
// Ramp out currently unmixed.
if (source_frame.was_mixed_before_ && !is_mixed) {
if (source_frame.audio_source_->WasMixed() && !is_mixed) {
NewMixerRampOut(source_frame.audio_frame_);
}
}
@ -133,6 +130,24 @@ int32_t MixFromList(AudioFrame* mixed_audio,
return 0;
}
MixerAudioSourceList::const_iterator FindSourceInList(
MixerAudioSource const* audio_source,
MixerAudioSourceList const* audio_source_list) {
return std::find_if(audio_source_list->begin(), audio_source_list->end(),
[audio_source](const AudioSourceWithMixStatus& p) {
return p.audio_source() == audio_source;
});
}
MixerAudioSourceList::iterator FindSourceInList(
MixerAudioSource const* audio_source,
MixerAudioSourceList* audio_source_list) {
return std::find_if(audio_source_list->begin(), audio_source_list->end(),
[audio_source](const AudioSourceWithMixStatus& p) {
return p.audio_source() == audio_source;
});
}
} // namespace
std::unique_ptr<AudioMixer> AudioMixer::Create(int id) {
@ -153,7 +168,7 @@ AudioMixerImpl::AudioMixerImpl(int id, std::unique_ptr<AudioProcessing> limiter)
AudioMixerImpl::~AudioMixerImpl() {}
std::unique_ptr<AudioMixer> AudioMixerImpl::Create(int id) {
std::unique_ptr<AudioMixerImpl> AudioMixerImpl::Create(int id) {
Config config;
config.Set<ExperimentalAgc>(new ExperimentalAgc(false));
std::unique_ptr<AudioProcessing> limiter(AudioProcessing::Create(config));
@ -179,7 +194,7 @@ std::unique_ptr<AudioMixer> AudioMixerImpl::Create(int id) {
if (limiter->gain_control()->Enable(true) != limiter->kNoError)
return nullptr;
return std::unique_ptr<AudioMixer>(
return std::unique_ptr<AudioMixerImpl>(
new AudioMixerImpl(id, std::move(limiter)));
}
@ -266,8 +281,8 @@ int32_t AudioMixerImpl::SetMixabilityStatus(MixerAudioSource* audio_source,
}
{
rtc::CritScope lock(&crit_);
const bool is_mixed =
IsAudioSourceInList(*audio_source, audio_source_list_);
const bool is_mixed = FindSourceInList(audio_source, &audio_source_list_) !=
audio_source_list_.end();
// API must be called with a new state.
if (!(mixable ^ is_mixed)) {
WEBRTC_TRACE(kTraceWarning, kTraceAudioMixerServer, id_,
@ -300,14 +315,16 @@ int32_t AudioMixerImpl::SetMixabilityStatus(MixerAudioSource* audio_source,
bool AudioMixerImpl::MixabilityStatus(
const MixerAudioSource& audio_source) const {
rtc::CritScope lock(&crit_);
return IsAudioSourceInList(audio_source, audio_source_list_);
return FindSourceInList(&audio_source, &audio_source_list_) !=
audio_source_list_.end();
}
int32_t AudioMixerImpl::SetAnonymousMixabilityStatus(
MixerAudioSource* audio_source,
bool anonymous) {
rtc::CritScope lock(&crit_);
if (IsAudioSourceInList(*audio_source, additional_audio_source_list_)) {
if (FindSourceInList(audio_source, &additional_audio_source_list_) !=
additional_audio_source_list_.end()) {
if (anonymous) {
return 0;
}
@ -341,10 +358,11 @@ int32_t AudioMixerImpl::SetAnonymousMixabilityStatus(
bool AudioMixerImpl::AnonymousMixabilityStatus(
const MixerAudioSource& audio_source) const {
rtc::CritScope lock(&crit_);
return IsAudioSourceInList(audio_source, additional_audio_source_list_);
return FindSourceInList(&audio_source, &additional_audio_source_list_) !=
additional_audio_source_list_.end();
}
AudioFrameList AudioMixerImpl::GetNonAnonymousAudio() const {
AudioFrameList AudioMixerImpl::GetNonAnonymousAudio() {
RTC_DCHECK_RUN_ON(&thread_checker_);
WEBRTC_TRACE(kTraceStream, kTraceAudioMixerServer, id_,
"GetNonAnonymousAudio()");
@ -353,8 +371,9 @@ AudioFrameList AudioMixerImpl::GetNonAnonymousAudio() const {
std::vector<SourceFrame> ramp_list;
// Get audio source audio and put it in the struct vector.
for (auto* const audio_source : audio_source_list_) {
auto audio_frame_with_info = audio_source->GetAudioFrameWithMuted(
for (auto& source_and_status : audio_source_list_) {
auto audio_frame_with_info =
source_and_status.audio_source()->GetAudioFrameWithMuted(
id_, static_cast<int>(OutputFrequency()));
const auto audio_frame_info = audio_frame_with_info.audio_frame_info;
@ -362,24 +381,23 @@ AudioFrameList AudioMixerImpl::GetNonAnonymousAudio() const {
if (audio_frame_info == MixerAudioSource::AudioFrameInfo::kError) {
WEBRTC_TRACE(kTraceWarning, kTraceAudioMixerServer, id_,
"failed to GetAudioFrameWithMuted() from participant");
"failed to GetAudioFrameWithMuted() from source");
continue;
}
audio_source_mixing_data_list.emplace_back(
audio_source, audio_source_audio_frame,
audio_frame_info == MixerAudioSource::AudioFrameInfo::kMuted,
audio_source->WasMixed());
&source_and_status, audio_source_audio_frame,
audio_frame_info == MixerAudioSource::AudioFrameInfo::kMuted);
}
// Sort frames by sorting function.
std::sort(audio_source_mixing_data_list.begin(),
audio_source_mixing_data_list.end(),
std::mem_fn(&SourceFrame::shouldMixBefore));
std::mem_fn(&SourceFrame::ShouldMixBefore));
int max_audio_frame_counter = kMaximumAmountOfMixedAudioSources;
// Go through list in order and put unmuted frames in result list.
for (const SourceFrame& p : audio_source_mixing_data_list) {
for (const auto& p : audio_source_mixing_data_list) {
// Filter muted.
if (p.muted_) {
p.audio_source_->SetIsMixed(false);
@ -391,8 +409,7 @@ AudioFrameList AudioMixerImpl::GetNonAnonymousAudio() const {
if (max_audio_frame_counter > 0) {
--max_audio_frame_counter;
result.push_back(p.audio_frame_);
ramp_list.emplace_back(p.audio_source_, p.audio_frame_, false,
p.was_mixed_before_, -1);
ramp_list.emplace_back(p.audio_source_, p.audio_frame_, false, -1);
is_mixed = true;
}
p.audio_source_->SetIsMixed(is_mixed);
@ -401,24 +418,16 @@ AudioFrameList AudioMixerImpl::GetNonAnonymousAudio() const {
return result;
}
AudioFrameList AudioMixerImpl::GetAnonymousAudio() const {
AudioFrameList AudioMixerImpl::GetAnonymousAudio() {
RTC_DCHECK_RUN_ON(&thread_checker_);
WEBRTC_TRACE(kTraceStream, kTraceAudioMixerServer, id_,
"GetAnonymousAudio()");
// The GetAudioFrameWithMuted() callback may result in the audio source being
// removed from additionalAudioFramesList_. If that happens it will
// invalidate any iterators. Create a copy of the audio sources list such
// that the list of participants can be traversed safely.
std::vector<SourceFrame> ramp_list;
MixerAudioSourceList additional_audio_sources_list;
AudioFrameList result;
additional_audio_sources_list.insert(additional_audio_sources_list.begin(),
additional_audio_source_list_.begin(),
additional_audio_source_list_.end());
for (const auto& audio_source : additional_audio_sources_list) {
for (auto& source_and_status : additional_audio_source_list_) {
const auto audio_frame_with_info =
audio_source->GetAudioFrameWithMuted(id_, OutputFrequency());
source_and_status.audio_source()->GetAudioFrameWithMuted(
id_, OutputFrequency());
const auto ret = audio_frame_with_info.audio_frame_info;
AudioFrame* audio_frame = audio_frame_with_info.audio_frame;
if (ret == MixerAudioSource::AudioFrameInfo::kError) {
@ -428,32 +437,20 @@ AudioFrameList AudioMixerImpl::GetAnonymousAudio() const {
}
if (ret != MixerAudioSource::AudioFrameInfo::kMuted) {
result.push_back(audio_frame);
ramp_list.emplace_back(audio_source, audio_frame, false,
audio_source->IsMixed(), 0);
audio_source->SetIsMixed(true);
ramp_list.emplace_back(&source_and_status, audio_frame, false, 0);
source_and_status.SetIsMixed(true);
}
}
Ramp(ramp_list);
return result;
}
bool AudioMixerImpl::IsAudioSourceInList(
const MixerAudioSource& audio_source,
const MixerAudioSourceList& audio_source_list) const {
WEBRTC_TRACE(kTraceStream, kTraceAudioMixerServer, id_,
"IsAudioSourceInList(audio_source,audio_source_list)");
return std::find(audio_source_list.begin(), audio_source_list.end(),
&audio_source) != audio_source_list.end();
}
bool AudioMixerImpl::AddAudioSourceToList(
MixerAudioSource* audio_source,
MixerAudioSourceList* audio_source_list) const {
WEBRTC_TRACE(kTraceStream, kTraceAudioMixerServer, id_,
"AddAudioSourceToList(audio_source, audio_source_list)");
audio_source_list->push_back(audio_source);
// Make sure that the mixed status is correct for new MixerAudioSource.
audio_source->ResetMixedStatus();
audio_source_list->emplace_back(audio_source);
return true;
}
@ -462,12 +459,9 @@ bool AudioMixerImpl::RemoveAudioSourceFromList(
MixerAudioSourceList* audio_source_list) const {
WEBRTC_TRACE(kTraceStream, kTraceAudioMixerServer, id_,
"RemoveAudioSourceFromList(audio_source, audio_source_list)");
const auto iter = std::find(audio_source_list->begin(),
audio_source_list->end(), audio_source);
const auto iter = FindSourceInList(audio_source, audio_source_list);
if (iter != audio_source_list->end()) {
audio_source_list->erase(iter);
// AudioSource is no longer mixed, reset to default.
audio_source->ResetMixedStatus();
return true;
} else {
return false;
@ -519,4 +513,25 @@ int AudioMixerImpl::GetOutputAudioLevelFullRange() {
"GetAudioOutputLevelFullRange() => level=%d", level);
return level;
}
bool AudioMixerImpl::GetAudioSourceMixabilityStatusForTest(
MixerAudioSource* audio_source) {
RTC_DCHECK_RUN_ON(&thread_checker_);
rtc::CritScope lock(&crit_);
const auto non_anonymous_iter =
FindSourceInList(audio_source, &audio_source_list_);
if (non_anonymous_iter != audio_source_list_.end()) {
return non_anonymous_iter->IsMixed();
}
const auto anonymous_iter =
FindSourceInList(audio_source, &additional_audio_source_list_);
if (anonymous_iter != audio_source_list_.end()) {
return anonymous_iter->IsMixed();
}
LOG_T_F(LS_ERROR) << "Audio source unknown";
return false;
}
} // namespace webrtc

19
webrtc/modules/audio_mixer/audio_mixer_impl.h
View File

@ -19,6 +19,7 @@
#include "webrtc/base/thread_checker.h"
#include "webrtc/modules/audio_mixer/audio_mixer.h"
#include "webrtc/modules/audio_mixer/audio_mixer_defines.h"
#include "webrtc/modules/audio_mixer/audio_source_with_mix_status.h"
#include "webrtc/modules/audio_processing/include/audio_processing.h"
#include "webrtc/modules/include/module_common_types.h"
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
@ -28,14 +29,14 @@
namespace webrtc {
typedef std::vector<AudioFrame*> AudioFrameList;
typedef std::vector<MixerAudioSource*> MixerAudioSourceList;
typedef std::vector<AudioSourceWithMixStatus> MixerAudioSourceList;
class AudioMixerImpl : public AudioMixer {
public:
// AudioProcessing only accepts 10 ms frames.
static const int kFrameDurationInMs = 10;
static std::unique_ptr<AudioMixer> Create(int id);
static std::unique_ptr<AudioMixerImpl> Create(int id);
~AudioMixerImpl() override;
@ -51,6 +52,11 @@ class AudioMixerImpl : public AudioMixer {
bool AnonymousMixabilityStatus(
const MixerAudioSource& audio_source) const override;
// Returns true if the source was mixed last round. Returns
// false and logs an error if the source was never added to the
// mixer.
bool GetAudioSourceMixabilityStatusForTest(MixerAudioSource* audio_source);
private:
AudioMixerImpl(int id, std::unique_ptr<AudioProcessing> limiter);
@ -61,16 +67,11 @@ class AudioMixerImpl : public AudioMixer {
// Compute what audio sources to mix from audio_source_list_. Ramp
// in and out. Update mixed status. Mixes up to
// kMaximumAmountOfMixedAudioSources audio sources.
AudioFrameList GetNonAnonymousAudio() const EXCLUSIVE_LOCKS_REQUIRED(crit_);
AudioFrameList GetNonAnonymousAudio() EXCLUSIVE_LOCKS_REQUIRED(crit_);
// Return the AudioFrames that should be mixed anonymously. Ramp in
// and out. Update mixed status.
AudioFrameList GetAnonymousAudio() const EXCLUSIVE_LOCKS_REQUIRED(crit_);
// This function returns true if it finds the MixerAudioSource in the
// specified list of MixerAudioSources.
bool IsAudioSourceInList(const MixerAudioSource& audio_source,
const MixerAudioSourceList& audio_source_list) const;
AudioFrameList GetAnonymousAudio() EXCLUSIVE_LOCKS_REQUIRED(crit_);
// Add/remove the MixerAudioSource to the specified
// MixerAudioSource list.

21
webrtc/modules/audio_mixer/audio_mixer_defines.cc → webrtc/modules/audio_mixer/audio_source_with_mix_status.cc
View File

@ -8,31 +8,36 @@
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/modules/audio_mixer/audio_mixer_defines.h"
#include "webrtc/modules/audio_mixer/audio_source_with_mix_status.h"
namespace webrtc {
MixerAudioSource::MixerAudioSource() {}
AudioSourceWithMixStatus::AudioSourceWithMixStatus(
MixerAudioSource* audio_source)
: audio_source_(audio_source) {}
MixerAudioSource::~MixerAudioSource() {}
AudioSourceWithMixStatus::~AudioSourceWithMixStatus() {}
bool MixerAudioSource::IsMixed() const {
bool AudioSourceWithMixStatus::IsMixed() const {
return is_mixed_;
}
bool MixerAudioSource::WasMixed() const {
bool AudioSourceWithMixStatus::WasMixed() const {
// Was mixed is the same as is mixed depending on perspective. This function
// is for the perspective of AudioMixerImpl.
return IsMixed();
}
int32_t MixerAudioSource::SetIsMixed(const bool mixed) {
void AudioSourceWithMixStatus::SetIsMixed(const bool mixed) {
is_mixed_ = mixed;
return 0;
}
void MixerAudioSource::ResetMixedStatus() {
void AudioSourceWithMixStatus::ResetMixedStatus() {
is_mixed_ = false;
}
MixerAudioSource* AudioSourceWithMixStatus::audio_source() const {
return audio_source_;
}
} // namespace webrtc

45
webrtc/modules/audio_mixer/audio_source_with_mix_status.h Normal file
View File

@ -0,0 +1,45 @@
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_MODULES_AUDIO_MIXER_AUDIO_SOURCE_WITH_MIX_STATUS_H_
#define WEBRTC_MODULES_AUDIO_MIXER_AUDIO_SOURCE_WITH_MIX_STATUS_H_
#include "webrtc/modules/audio_mixer/audio_mixer_defines.h"
namespace webrtc {
// A class that holds a mixer participant and its mixing status.
class AudioSourceWithMixStatus {
public:
explicit AudioSourceWithMixStatus(MixerAudioSource* audio_source);
~AudioSourceWithMixStatus();
AudioSourceWithMixStatus(const AudioSourceWithMixStatus&) = default;
// Returns true if the audio source was mixed this mix iteration.
bool IsMixed() const;
// Returns true if the audio source was mixed previous mix
// iteration.
bool WasMixed() const;
// Updates the mixed status.
void SetIsMixed(const bool mixed);
void ResetMixedStatus();
MixerAudioSource* audio_source() const;
private:
MixerAudioSource* audio_source_ = nullptr;
bool is_mixed_ = false;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_MIXER_AUDIO_SOURCE_WITH_MIX_STATUS_H_

23
webrtc/modules/audio_mixer/test/audio_mixer_unittest.cc
View File

@ -15,7 +15,7 @@
#include "webrtc/base/bind.h"
#include "webrtc/base/thread.h"
#include "webrtc/modules/audio_mixer/audio_mixer.h"
#include "webrtc/modules/audio_mixer/audio_mixer_impl.h"
#include "webrtc/modules/audio_mixer/audio_mixer_defines.h"
#include "webrtc/test/gmock.h"
@ -89,7 +89,7 @@ void MixAndCompare(
RTC_DCHECK(frames.size() == frame_info.size());
RTC_DCHECK(frame_info.size() == expected_status.size());
const std::unique_ptr<AudioMixer> mixer(AudioMixer::Create(kId));
const std::unique_ptr<AudioMixerImpl> mixer(AudioMixerImpl::Create(kId));
std::vector<MockMixerAudioSource> participants(num_audio_sources);
for (int i = 0; i < num_audio_sources; i++) {
@ -107,7 +107,8 @@ void MixAndCompare(
mixer->Mix(kDefaultSampleRateHz, 1, &frame_for_mixing);
for (int i = 0; i < num_audio_sources; i++) {
EXPECT_EQ(expected_status[i], participants[i].IsMixed())
EXPECT_EQ(expected_status[i],
mixer->GetAudioSourceMixabilityStatusForTest(&participants[i]))
<< "Mixed status of AudioSource #" << i << " wrong.";
}
}
@ -167,7 +168,7 @@ TEST(AudioMixer, LargestEnergyVadActiveMixed) {
constexpr int kAudioSources =
AudioMixer::kMaximumAmountOfMixedAudioSources + 3;
const std::unique_ptr<AudioMixer> mixer(AudioMixer::Create(kId));
const std::unique_ptr<AudioMixerImpl> mixer(AudioMixerImpl::Create(kId));
MockMixerAudioSource participants[kAudioSources];
@ -194,7 +195,8 @@ TEST(AudioMixer, LargestEnergyVadActiveMixed) {
&audio_frame);
for (int i = 0; i < kAudioSources; ++i) {
bool is_mixed = participants[i].IsMixed();
bool is_mixed =
mixer->GetAudioSourceMixabilityStatusForTest(&participants[i]);
if (i == kAudioSources - 1 ||
i < kAudioSources - 1 - AudioMixer::kMaximumAmountOfMixedAudioSources) {
EXPECT_FALSE(is_mixed) << "Mixing status of AudioSource #" << i
@ -351,7 +353,7 @@ TEST(AudioMixer, RampedOutSourcesShouldNotBeMarkedMixed) {
constexpr int kAudioSources =
AudioMixer::kMaximumAmountOfMixedAudioSources + 1;
const std::unique_ptr<AudioMixer> mixer(AudioMixer::Create(kId));
const std::unique_ptr<AudioMixerImpl> mixer(AudioMixerImpl::Create(kId));
MockMixerAudioSource participants[kAudioSources];
for (int i = 0; i < kAudioSources; i++) {
@ -374,8 +376,8 @@ TEST(AudioMixer, RampedOutSourcesShouldNotBeMarkedMixed) {
// All participants but the loudest should have been mixed.
for (int i = 0; i < kAudioSources - 1; i++) {
EXPECT_TRUE(participants[i].IsMixed()) << "Mixed status of AudioSource #"
<< i << " wrong.";
EXPECT_TRUE(mixer->GetAudioSourceMixabilityStatusForTest(&participants[i]))
<< "Mixed status of AudioSource #" << i << " wrong.";
}
// Add new participant with higher energy.
@ -390,12 +392,13 @@ TEST(AudioMixer, RampedOutSourcesShouldNotBeMarkedMixed) {
mixer->Mix(kDefaultSampleRateHz, 1, &frame_for_mixing);
// The most quiet participant should not have been mixed.
EXPECT_FALSE(participants[0].IsMixed())
EXPECT_FALSE(mixer->GetAudioSourceMixabilityStatusForTest(&participants[0]))
<< "Mixed status of AudioSource #0 wrong.";
// The loudest participants should have been mixed.
for (int i = 1; i < kAudioSources; i++) {
EXPECT_EQ(true, participants[i].IsMixed())
EXPECT_EQ(true,
mixer->GetAudioSourceMixabilityStatusForTest(&participants[i]))
<< "Mixed status of AudioSource #" << i << " wrong.";
}
}