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Preparational work before introducing the locks in order to harmonize the code:

Browse Source 
-Moved the initialize function
-Moved api_format into the shared state

BUG=

Review URL: https://codereview.webrtc.org/1413093002

Cr-Commit-Position: refs/heads/master@{#10668}
This commit is contained in:
peah
2015-11-17 02:16:45 -08:00
committed by Commit bot
parent 4d291f7d5e
commit 192164eebc
2 changed files with 90 additions and 68 deletions
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145
webrtc/modules/audio_processing/audio_processing_impl.cc
View File

@ -195,10 +195,6 @@ AudioProcessingImpl::AudioProcessingImpl(const Config& config,
debug_file_(FileWrapper::Create()),
event_msg_(new audioproc::Event()),
#endif
api_format_({{{kSampleRate16kHz, 1, false},
{kSampleRate16kHz, 1, false},
{kSampleRate16kHz, 1, false},
{kSampleRate16kHz, 1, false}}}),
fwd_proc_format_(kSampleRate16kHz),
rev_proc_format_(kSampleRate16kHz, 1),
split_rate_(kSampleRate16kHz),
@ -310,26 +306,37 @@ int AudioProcessingImpl::Initialize(const ProcessingConfig& processing_config) {
return InitializeLocked(processing_config);
}
// Calls InitializeLocked() if any of the audio parameters have changed from
// their current values.
int AudioProcessingImpl::MaybeInitializeLocked(
const ProcessingConfig& processing_config) {
if (processing_config == shared_state_.api_format_) {
return kNoError;
}
return InitializeLocked(processing_config);
}
int AudioProcessingImpl::InitializeLocked() {
const int fwd_audio_buffer_channels =
beamformer_enabled_ ? api_format_.input_stream().num_channels()
: api_format_.output_stream().num_channels();
beamformer_enabled_
? shared_state_.api_format_.input_stream().num_channels()
: shared_state_.api_format_.output_stream().num_channels();
const int rev_audio_buffer_out_num_frames =
api_format_.reverse_output_stream().num_frames() == 0
shared_state_.api_format_.reverse_output_stream().num_frames() == 0
? rev_proc_format_.num_frames()
: api_format_.reverse_output_stream().num_frames();
if (api_format_.reverse_input_stream().num_channels() > 0) {
: shared_state_.api_format_.reverse_output_stream().num_frames();
if (shared_state_.api_format_.reverse_input_stream().num_channels() > 0) {
render_audio_.reset(new AudioBuffer(
api_format_.reverse_input_stream().num_frames(),
api_format_.reverse_input_stream().num_channels(),
shared_state_.api_format_.reverse_input_stream().num_frames(),
shared_state_.api_format_.reverse_input_stream().num_channels(),
rev_proc_format_.num_frames(), rev_proc_format_.num_channels(),
rev_audio_buffer_out_num_frames));
if (rev_conversion_needed()) {
render_converter_ = AudioConverter::Create(
api_format_.reverse_input_stream().num_channels(),
api_format_.reverse_input_stream().num_frames(),
api_format_.reverse_output_stream().num_channels(),
api_format_.reverse_output_stream().num_frames());
shared_state_.api_format_.reverse_input_stream().num_channels(),
shared_state_.api_format_.reverse_input_stream().num_frames(),
shared_state_.api_format_.reverse_output_stream().num_channels(),
shared_state_.api_format_.reverse_output_stream().num_frames());
} else {
render_converter_.reset(nullptr);
}
@ -337,10 +344,11 @@ int AudioProcessingImpl::InitializeLocked() {
render_audio_.reset(nullptr);
render_converter_.reset(nullptr);
}
capture_audio_.reset(new AudioBuffer(
api_format_.input_stream().num_frames(),
api_format_.input_stream().num_channels(), fwd_proc_format_.num_frames(),
fwd_audio_buffer_channels, api_format_.output_stream().num_frames()));
capture_audio_.reset(
new AudioBuffer(shared_state_.api_format_.input_stream().num_frames(),
shared_state_.api_format_.input_stream().num_channels(),
fwd_proc_format_.num_frames(), fwd_audio_buffer_channels,
shared_state_.api_format_.output_stream().num_frames()));
// Initialize all components.
for (auto item : component_list_) {
@ -396,12 +404,12 @@ int AudioProcessingImpl::InitializeLocked(const ProcessingConfig& config) {
return kBadNumberChannelsError;
}
api_format_ = config;
shared_state_.api_format_ = config;
// We process at the closest native rate >= min(input rate, output rate)...
const int min_proc_rate =
std::min(api_format_.input_stream().sample_rate_hz(),
api_format_.output_stream().sample_rate_hz());
std::min(shared_state_.api_format_.input_stream().sample_rate_hz(),
shared_state_.api_format_.output_stream().sample_rate_hz());
int fwd_proc_rate;
for (size_t i = 0; i < kNumNativeSampleRates; ++i) {
fwd_proc_rate = kNativeSampleRatesHz[i];
@ -423,7 +431,7 @@ int AudioProcessingImpl::InitializeLocked(const ProcessingConfig& config) {
// ...the forward stream is at 8 kHz.
rev_proc_rate = kSampleRate8kHz;
} else {
if (api_format_.reverse_input_stream().sample_rate_hz() ==
if (shared_state_.api_format_.reverse_input_stream().sample_rate_hz() ==
kSampleRate32kHz) {
// ...or the input is at 32 kHz, in which case we use the splitting
// filter rather than the resampler.
@ -445,15 +453,6 @@ int AudioProcessingImpl::InitializeLocked(const ProcessingConfig& config) {
return InitializeLocked();
}
// Calls InitializeLocked() if any of the audio parameters have changed from
// their current values.
int AudioProcessingImpl::MaybeInitializeLocked(
const ProcessingConfig& processing_config) {
if (processing_config == api_format_) {
return kNoError;
}
return InitializeLocked(processing_config);
}
void AudioProcessingImpl::SetExtraOptions(const Config& config) {
CriticalSectionScoped crit_scoped(crit_);
@ -481,11 +480,11 @@ int AudioProcessingImpl::num_reverse_channels() const {
}
int AudioProcessingImpl::num_input_channels() const {
return api_format_.input_stream().num_channels();
return shared_state_.api_format_.input_stream().num_channels();
}
int AudioProcessingImpl::num_output_channels() const {
return api_format_.output_stream().num_channels();
return shared_state_.api_format_.output_stream().num_channels();
}
void AudioProcessingImpl::set_output_will_be_muted(bool muted) {
@ -505,12 +504,12 @@ int AudioProcessingImpl::ProcessStream(const float* const* src,
ChannelLayout output_layout,
float* const* dest) {
CriticalSectionScoped crit_scoped(crit_);
StreamConfig input_stream = api_format_.input_stream();
StreamConfig input_stream = shared_state_.api_format_.input_stream();
input_stream.set_sample_rate_hz(input_sample_rate_hz);
input_stream.set_num_channels(ChannelsFromLayout(input_layout));
input_stream.set_has_keyboard(LayoutHasKeyboard(input_layout));
StreamConfig output_stream = api_format_.output_stream();
StreamConfig output_stream = shared_state_.api_format_.output_stream();
output_stream.set_sample_rate_hz(output_sample_rate_hz);
output_stream.set_num_channels(ChannelsFromLayout(output_layout));
output_stream.set_has_keyboard(LayoutHasKeyboard(output_layout));
@ -534,13 +533,13 @@ int AudioProcessingImpl::ProcessStream(const float* const* src,
echo_control_mobile_->ReadQueuedRenderData();
gain_control_->ReadQueuedRenderData();
ProcessingConfig processing_config = api_format_;
ProcessingConfig processing_config = shared_state_.api_format_;
processing_config.input_stream() = input_config;
processing_config.output_stream() = output_config;
RETURN_ON_ERR(MaybeInitializeLocked(processing_config));
assert(processing_config.input_stream().num_frames() ==
api_format_.input_stream().num_frames());
shared_state_.api_format_.input_stream().num_frames());
#ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP
if (debug_file_->Open()) {
@ -549,22 +548,24 @@ int AudioProcessingImpl::ProcessStream(const float* const* src,
event_msg_->set_type(audioproc::Event::STREAM);
audioproc::Stream* msg = event_msg_->mutable_stream();
const size_t channel_size =
sizeof(float) * api_format_.input_stream().num_frames();
for (int i = 0; i < api_format_.input_stream().num_channels(); ++i)
sizeof(float) * shared_state_.api_format_.input_stream().num_frames();
for (int i = 0; i < shared_state_.api_format_.input_stream().num_channels();
++i)
msg->add_input_channel(src[i], channel_size);
}
#endif
capture_audio_->CopyFrom(src, api_format_.input_stream());
capture_audio_->CopyFrom(src, shared_state_.api_format_.input_stream());
RETURN_ON_ERR(ProcessStreamLocked());
capture_audio_->CopyTo(api_format_.output_stream(), dest);
capture_audio_->CopyTo(shared_state_.api_format_.output_stream(), dest);
#ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP
if (debug_file_->Open()) {
audioproc::Stream* msg = event_msg_->mutable_stream();
const size_t channel_size =
sizeof(float) * api_format_.output_stream().num_frames();
for (int i = 0; i < api_format_.output_stream().num_channels(); ++i)
sizeof(float) * shared_state_.api_format_.output_stream().num_frames();
for (int i = 0;
i < shared_state_.api_format_.output_stream().num_channels(); ++i)
msg->add_output_channel(dest[i], channel_size);
RETURN_ON_ERR(WriteMessageToDebugFile());
}
@ -589,6 +590,7 @@ int AudioProcessingImpl::ProcessStream(AudioFrame* frame) {
frame->sample_rate_hz_ != kSampleRate48kHz) {
return kBadSampleRateError;
}
if (echo_control_mobile_->is_enabled() &&
frame->sample_rate_hz_ > kMaxAECMSampleRateHz) {
LOG(LS_ERROR) << "AECM only supports 16 or 8 kHz sample rates";
@ -597,14 +599,15 @@ int AudioProcessingImpl::ProcessStream(AudioFrame* frame) {
// TODO(ajm): The input and output rates and channels are currently
// constrained to be identical in the int16 interface.
ProcessingConfig processing_config = api_format_;
ProcessingConfig processing_config = shared_state_.api_format_;
processing_config.input_stream().set_sample_rate_hz(frame->sample_rate_hz_);
processing_config.input_stream().set_num_channels(frame->num_channels_);
processing_config.output_stream().set_sample_rate_hz(frame->sample_rate_hz_);
processing_config.output_stream().set_num_channels(frame->num_channels_);
RETURN_ON_ERR(MaybeInitializeLocked(processing_config));
if (frame->samples_per_channel_ != api_format_.input_stream().num_frames()) {
if (frame->samples_per_channel_ !=
shared_state_.api_format_.input_stream().num_frames()) {
return kBadDataLengthError;
}
@ -734,7 +737,8 @@ int AudioProcessingImpl::ProcessReverseStream(
RETURN_ON_ERR(
AnalyzeReverseStream(src, reverse_input_config, reverse_output_config));
if (is_rev_processed()) {
render_audio_->CopyTo(api_format_.reverse_output_stream(), dest);
render_audio_->CopyTo(shared_state_.api_format_.reverse_output_stream(),
dest);
} else if (rev_conversion_needed()) {
render_converter_->Convert(src, reverse_input_config.num_samples(), dest,
reverse_output_config.num_samples());
@ -759,27 +763,31 @@ int AudioProcessingImpl::AnalyzeReverseStream(
return kBadNumberChannelsError;
}
ProcessingConfig processing_config = api_format_;
ProcessingConfig processing_config = shared_state_.api_format_;
processing_config.reverse_input_stream() = reverse_input_config;
processing_config.reverse_output_stream() = reverse_output_config;
RETURN_ON_ERR(MaybeInitializeLocked(processing_config));
assert(reverse_input_config.num_frames() ==
api_format_.reverse_input_stream().num_frames());
shared_state_.api_format_.reverse_input_stream().num_frames());
#ifdef WEBRTC_AUDIOPROC_DEBUG_DUMP
if (debug_file_->Open()) {
event_msg_->set_type(audioproc::Event::REVERSE_STREAM);
audioproc::ReverseStream* msg = event_msg_->mutable_reverse_stream();
const size_t channel_size =
sizeof(float) * api_format_.reverse_input_stream().num_frames();
for (int i = 0; i < api_format_.reverse_input_stream().num_channels(); ++i)
sizeof(float) *
shared_state_.api_format_.reverse_input_stream().num_frames();
for (int i = 0;
i < shared_state_.api_format_.reverse_input_stream().num_channels();
++i)
msg->add_channel(src[i], channel_size);
RETURN_ON_ERR(WriteMessageToDebugFile());
}
#endif
render_audio_->CopyFrom(src, api_format_.reverse_input_stream());
render_audio_->CopyFrom(src,
shared_state_.api_format_.reverse_input_stream());
return ProcessReverseStreamLocked();
}
@ -805,7 +813,8 @@ int AudioProcessingImpl::AnalyzeReverseStream(AudioFrame* frame) {
return kBadSampleRateError;
}
// This interface does not tolerate different forward and reverse rates.
if (frame->sample_rate_hz_ != api_format_.input_stream().sample_rate_hz()) {
if (frame->sample_rate_hz_ !=
shared_state_.api_format_.input_stream().sample_rate_hz()) {
return kBadSampleRateError;
}
@ -813,7 +822,7 @@ int AudioProcessingImpl::AnalyzeReverseStream(AudioFrame* frame) {
return kBadNumberChannelsError;
}
ProcessingConfig processing_config = api_format_;
ProcessingConfig processing_config = shared_state_.api_format_;
processing_config.reverse_input_stream().set_sample_rate_hz(
frame->sample_rate_hz_);
processing_config.reverse_input_stream().set_num_channels(
@ -825,7 +834,7 @@ int AudioProcessingImpl::AnalyzeReverseStream(AudioFrame* frame) {
RETURN_ON_ERR(MaybeInitializeLocked(processing_config));
if (frame->samples_per_channel_ !=
api_format_.reverse_input_stream().num_frames()) {
shared_state_.api_format_.reverse_input_stream().num_frames()) {
return kBadDataLengthError;
}
@ -1049,8 +1058,8 @@ bool AudioProcessingImpl::is_data_processed() const {
bool AudioProcessingImpl::output_copy_needed(bool is_data_processed) const {
// Check if we've upmixed or downmixed the audio.
return ((api_format_.output_stream().num_channels() !=
api_format_.input_stream().num_channels()) ||
return ((shared_state_.api_format_.output_stream().num_channels() !=
shared_state_.api_format_.input_stream().num_channels()) ||
is_data_processed || transient_suppressor_enabled_);
}
@ -1078,8 +1087,8 @@ bool AudioProcessingImpl::is_rev_processed() const {
}
bool AudioProcessingImpl::rev_conversion_needed() const {
return (api_format_.reverse_input_stream() !=
api_format_.reverse_output_stream());
return (shared_state_.api_format_.reverse_input_stream() !=
shared_state_.api_format_.reverse_output_stream());
}
void AudioProcessingImpl::InitializeExperimentalAgc() {
@ -1101,7 +1110,7 @@ void AudioProcessingImpl::InitializeTransient() {
}
transient_suppressor_->Initialize(
fwd_proc_format_.sample_rate_hz(), split_rate_,
api_format_.output_stream().num_channels());
shared_state_.api_format_.output_stream().num_channels());
}
}
@ -1220,14 +1229,18 @@ int AudioProcessingImpl::WriteMessageToDebugFile() {
int AudioProcessingImpl::WriteInitMessage() {
event_msg_->set_type(audioproc::Event::INIT);
audioproc::Init* msg = event_msg_->mutable_init();
msg->set_sample_rate(api_format_.input_stream().sample_rate_hz());
msg->set_num_input_channels(api_format_.input_stream().num_channels());
msg->set_num_output_channels(api_format_.output_stream().num_channels());
msg->set_sample_rate(
shared_state_.api_format_.input_stream().sample_rate_hz());
msg->set_num_input_channels(
shared_state_.api_format_.input_stream().num_channels());
msg->set_num_output_channels(
shared_state_.api_format_.output_stream().num_channels());
msg->set_num_reverse_channels(
api_format_.reverse_input_stream().num_channels());
shared_state_.api_format_.reverse_input_stream().num_channels());
msg->set_reverse_sample_rate(
api_format_.reverse_input_stream().sample_rate_hz());
msg->set_output_sample_rate(api_format_.output_stream().sample_rate_hz());
shared_state_.api_format_.reverse_input_stream().sample_rate_hz());
msg->set_output_sample_rate(
shared_state_.api_format_.output_stream().sample_rate_hz());
// TODO(ekmeyerson): Add reverse output fields to event_msg_.
RETURN_ON_ERR(WriteMessageToDebugFile());

13
webrtc/modules/audio_processing/audio_processing_impl.h
View File

@ -176,8 +176,17 @@ class AudioProcessingImpl : public AudioProcessing {
std::string last_serialized_config_;
#endif
// Format of processing streams at input/output call sites.
ProcessingConfig api_format_;
// State that is written to while holding both the render and capture locks
// but can be read while holding only one of the locks.
struct SharedState {
SharedState()
: // Format of processing streams at input/output call sites.
api_format_({{{kSampleRate16kHz, 1, false},
{kSampleRate16kHz, 1, false},
{kSampleRate16kHz, 1, false},
{kSampleRate16kHz, 1, false}}}) {}
ProcessingConfig api_format_;
} shared_state_;
// Only the rate and samples fields of fwd_proc_format_ are used because the
// forward processing number of channels is mutable and is tracked by the