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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/webcodecs/codec_pressure_manager_provider.h"
#include "base/task/sequenced_task_runner.h"
#include "third_party/blink/renderer/modules/webcodecs/codec_pressure_manager.h"
namespace blink {
// static
const char CodecPressureManagerProvider::kSupplementName[] =
"CodecPressureManagerProvider";
// static
CodecPressureManagerProvider& CodecPressureManagerProvider::From(
ExecutionContext& context) {
CHECK(!context.IsContextDestroyed());
CodecPressureManagerProvider* supplement =
Supplement<ExecutionContext>::From<CodecPressureManagerProvider>(context);
if (!supplement) {
supplement = MakeGarbageCollected<CodecPressureManagerProvider>(context);
ProvideTo(context, supplement);
}
return *supplement;
}
CodecPressureManagerProvider::CodecPressureManagerProvider(
ExecutionContext& context)
: Supplement(context) {}
CodecPressureManager*
CodecPressureManagerProvider::GetDecoderPressureManager() {
if (!decoder_pressure_manager_) {
decoder_pressure_manager_ = MakeGarbageCollected<CodecPressureManager>(
ReclaimableCodec::CodecType::kDecoder, GetTaskRunner());
}
return decoder_pressure_manager_.Get();
}
CodecPressureManager*
CodecPressureManagerProvider::GetEncoderPressureManager() {
if (!encoder_pressure_manager_) {
encoder_pressure_manager_ = MakeGarbageCollected<CodecPressureManager>(
ReclaimableCodec::CodecType::kEncoder, GetTaskRunner());
}
return encoder_pressure_manager_.Get();
}
scoped_refptr<base::SequencedTaskRunner>
CodecPressureManagerProvider::GetTaskRunner() {
ExecutionContext* context = GetSupplementable();
DCHECK(context && !context->IsContextDestroyed());
return context->GetTaskRunner(TaskType::kInternalMediaRealTime);
}
void CodecPressureManagerProvider::Trace(Visitor* visitor) const {
visitor->Trace(decoder_pressure_manager_);
visitor->Trace(encoder_pressure_manager_);
Supplement<ExecutionContext>::Trace(visitor);
}
} // namespace blink
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