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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/modules/webaudio/channel_merger_node.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_channel_merger_options.h"
#include "third_party/blink/renderer/modules/webaudio/audio_graph_tracer.h"
#include "third_party/blink/renderer/modules/webaudio/base_audio_context.h"
#include "third_party/blink/renderer/modules/webaudio/channel_merger_handler.h"
#include "third_party/blink/renderer/platform/bindings/exception_messages.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
namespace blink {
namespace {
// The default number of inputs for the merger node is 6.
constexpr unsigned kDefaultNumberOfInputs = 6;
} // namespace
ChannelMergerNode::ChannelMergerNode(BaseAudioContext& context,
unsigned number_of_inputs)
: AudioNode(context) {
SetHandler(ChannelMergerHandler::Create(*this, context.sampleRate(),
number_of_inputs));
}
ChannelMergerNode* ChannelMergerNode::Create(BaseAudioContext& context,
ExceptionState& exception_state) {
DCHECK(IsMainThread());
return Create(context, kDefaultNumberOfInputs, exception_state);
}
ChannelMergerNode* ChannelMergerNode::Create(BaseAudioContext& context,
unsigned number_of_inputs,
ExceptionState& exception_state) {
DCHECK(IsMainThread());
if (!number_of_inputs ||
number_of_inputs > BaseAudioContext::MaxNumberOfChannels()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kIndexSizeError,
ExceptionMessages::IndexOutsideRange<size_t>(
"number of inputs", number_of_inputs, 1,
ExceptionMessages::kInclusiveBound,
BaseAudioContext::MaxNumberOfChannels(),
ExceptionMessages::kInclusiveBound));
return nullptr;
}
return MakeGarbageCollected<ChannelMergerNode>(context, number_of_inputs);
}
ChannelMergerNode* ChannelMergerNode::Create(
BaseAudioContext* context,
const ChannelMergerOptions* options,
ExceptionState& exception_state) {
ChannelMergerNode* node =
Create(*context, options->numberOfInputs(), exception_state);
if (!node) {
return nullptr;
}
node->HandleChannelOptions(options, exception_state);
return node;
}
void ChannelMergerNode::ReportDidCreate() {
GraphTracer().DidCreateAudioNode(this);
}
void ChannelMergerNode::ReportWillBeDestroyed() {
GraphTracer().WillDestroyAudioNode(this);
}
} // namespace blink
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