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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 GMPAudioDecoderProxy_h_
#define GMPAudioDecoderProxy_h_

#include "GMPCallbackBase.h"
#include "gmp-audio-codec.h"
#include "GMPAudioHost.h"
#include "nsTArray.h"
#include "mozilla/gmp/GMPTypes.h"

class GMPAudioDecoderCallbackProxy : public GMPCallbackBase {
public:
  virtual ~GMPAudioDecoderCallbackProxy() {}
  // Note: aChannelCount and aSamplesPerSecond may not be consistent from
  // one invocation to the next.
  virtual void Decoded(const nsTArray<int16_t>& aPCM,
                       uint64_t aTimeStamp,
                       uint32_t aChannelCount,
                       uint32_t aSamplesPerSecond) = 0;
  virtual void InputDataExhausted() = 0;
  virtual void DrainComplete() = 0;
  virtual void ResetComplete() = 0;
  virtual void Error(GMPErr aError) = 0;
};

class GMPAudioDecoderProxy {
public:
  virtual ~GMPAudioDecoderProxy() {}

  virtual nsresult InitDecode(GMPAudioCodecType aCodecType,
                              uint32_t aChannelCount,
                              uint32_t aBitsPerChannel,
                              uint32_t aSamplesPerSecond,
                              nsTArray<uint8_t>& aExtraData,
                              GMPAudioDecoderCallbackProxy* aCallback) = 0;
  virtual nsresult Decode(mozilla::gmp::GMPAudioSamplesImpl& aSamples) = 0;
  virtual nsresult Reset() = 0;
  virtual nsresult Drain() = 0;
  // Call to tell GMP/plugin the consumer will no longer use this
  // interface/codec.
  virtual nsresult Close() = 0;
};

#endif // GMPAudioDecoderProxy_h_