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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MediaBufferDecoder_h_
#define MediaBufferDecoder_h_
#include "nsWrapperCache.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsTArray.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/MemoryReporting.h"
namespace mozilla {
class ThreadSharedFloatArrayBufferList;
namespace dom {
class AudioBuffer;
class AudioContext;
class DecodeErrorCallback;
class DecodeSuccessCallback;
class Promise;
} // namespace dom
struct WebAudioDecodeJob final
{
// You may omit both the success and failure callback, or you must pass both.
// The callbacks are only necessary for asynchronous operation.
WebAudioDecodeJob(const nsACString& aContentType,
dom::AudioContext* aContext,
dom::Promise* aPromise,
dom::DecodeSuccessCallback* aSuccessCallback = nullptr,
dom::DecodeErrorCallback* aFailureCallback = nullptr);
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebAudioDecodeJob)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebAudioDecodeJob)
enum ErrorCode {
NoError,
UnknownContent,
UnknownError,
InvalidContent,
NoAudio
};
typedef void (WebAudioDecodeJob::*ResultFn)(ErrorCode);
void OnSuccess(ErrorCode /* ignored */);
void OnFailure(ErrorCode aErrorCode);
bool AllocateBuffer();
size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
nsCString mContentType;
uint32_t mWriteIndex;
RefPtr<dom::AudioContext> mContext;
RefPtr<dom::Promise> mPromise;
RefPtr<dom::DecodeSuccessCallback> mSuccessCallback;
RefPtr<dom::DecodeErrorCallback> mFailureCallback; // can be null
RefPtr<dom::AudioBuffer> mOutput;
RefPtr<ThreadSharedFloatArrayBufferList> mBuffer;
private:
~WebAudioDecodeJob();
};
void AsyncDecodeWebAudio(const char* aContentType, uint8_t* aBuffer,
uint32_t aLength, WebAudioDecodeJob& aDecodeJob);
} // namespace mozilla
#endif
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