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/*
* Copyright (c) 2011 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.
*/
#include "webrtc/modules/audio_processing/processing_component.h"
#include <assert.h>
#include "webrtc/modules/audio_processing/include/audio_processing.h"
namespace webrtc {
ProcessingComponent::ProcessingComponent()
: initialized_(false),
enabled_(false),
num_handles_(0) {}
ProcessingComponent::~ProcessingComponent() {
assert(initialized_ == false);
}
int ProcessingComponent::Destroy() {
while (!handles_.empty()) {
DestroyHandle(handles_.back());
handles_.pop_back();
}
initialized_ = false;
return AudioProcessing::kNoError;
}
int ProcessingComponent::EnableComponent(bool enable) {
if (enable && !enabled_) {
enabled_ = enable; // Must be set before Initialize() is called.
int err = Initialize();
if (err != AudioProcessing::kNoError) {
enabled_ = false;
return err;
}
} else {
enabled_ = enable;
}
return AudioProcessing::kNoError;
}
bool ProcessingComponent::is_component_enabled() const {
return enabled_;
}
void* ProcessingComponent::handle(size_t index) const {
assert(index < num_handles_);
return handles_[index];
}
size_t ProcessingComponent::num_handles() const {
return num_handles_;
}
int ProcessingComponent::Initialize() {
if (!enabled_) {
return AudioProcessing::kNoError;
}
num_handles_ = num_handles_required();
if (num_handles_ > handles_.size()) {
handles_.resize(num_handles_, NULL);
}
assert(handles_.size() >= num_handles_);
for (size_t i = 0; i < num_handles_; i++) {
if (handles_[i] == NULL) {
handles_[i] = CreateHandle();
if (handles_[i] == NULL) {
return AudioProcessing::kCreationFailedError;
}
}
int err = InitializeHandle(handles_[i]);
if (err != AudioProcessing::kNoError) {
return GetHandleError(handles_[i]);
}
}
initialized_ = true;
return Configure();
}
int ProcessingComponent::Configure() {
if (!initialized_) {
return AudioProcessing::kNoError;
}
assert(handles_.size() >= num_handles_);
for (size_t i = 0; i < num_handles_; i++) {
int err = ConfigureHandle(handles_[i]);
if (err != AudioProcessing::kNoError) {
return GetHandleError(handles_[i]);
}
}
return AudioProcessing::kNoError;
}
} // namespace webrtc
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