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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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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_splitter_node.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_channel_splitter_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_splitter_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 {
// Default number of outputs for the splitter node is 6.
constexpr unsigned kDefaultNumberOfOutputs = 6;
} // namespace
ChannelSplitterNode::ChannelSplitterNode(BaseAudioContext& context,
unsigned number_of_outputs)
: AudioNode(context) {
SetHandler(ChannelSplitterHandler::Create(*this, context.sampleRate(),
number_of_outputs));
}
ChannelSplitterNode* ChannelSplitterNode::Create(
BaseAudioContext& context,
ExceptionState& exception_state) {
DCHECK(IsMainThread());
return Create(context, kDefaultNumberOfOutputs, exception_state);
}
ChannelSplitterNode* ChannelSplitterNode::Create(
BaseAudioContext& context,
unsigned number_of_outputs,
ExceptionState& exception_state) {
DCHECK(IsMainThread());
if (!number_of_outputs ||
number_of_outputs > BaseAudioContext::MaxNumberOfChannels()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kIndexSizeError,
ExceptionMessages::IndexOutsideRange<size_t>(
"number of outputs", number_of_outputs, 1,
ExceptionMessages::kInclusiveBound,
BaseAudioContext::MaxNumberOfChannels(),
ExceptionMessages::kInclusiveBound));
return nullptr;
}
return MakeGarbageCollected<ChannelSplitterNode>(context, number_of_outputs);
}
ChannelSplitterNode* ChannelSplitterNode::Create(
BaseAudioContext* context,
const ChannelSplitterOptions* options,
ExceptionState& exception_state) {
ChannelSplitterNode* node =
Create(*context, options->numberOfOutputs(), exception_state);
if (!node) {
return nullptr;
}
node->HandleChannelOptions(options, exception_state);
return node;
}
void ChannelSplitterNode::ReportDidCreate() {
GraphTracer().DidCreateAudioNode(this);
}
void ChannelSplitterNode::ReportWillBeDestroyed() {
GraphTracer().WillDestroyAudioNode(this);
}
} // namespace blink
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