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       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef GMPVideoDecoderProxy_h_
       7             : #define GMPVideoDecoderProxy_h_
       8             : 
       9             : #include "nsTArray.h"
      10             : #include "gmp-video-decode.h"
      11             : #include "gmp-video-frame-i420.h"
      12             : #include "gmp-video-frame-encoded.h"
      13             : 
      14             : #include "GMPCallbackBase.h"
      15             : #include "GMPUtils.h"
      16             : 
      17           0 : class GMPVideoDecoderCallbackProxy : public GMPCallbackBase,
      18             :                                      public GMPVideoDecoderCallback
      19             : {
      20             : public:
      21           0 :   virtual ~GMPVideoDecoderCallbackProxy() {}
      22             : };
      23             : 
      24             : // A proxy to GMPVideoDecoder in the child process.
      25             : // GMPVideoDecoderParent exposes this to users the GMP.
      26             : // This enables Gecko to pass nsTArrays to the child GMP and avoid
      27             : // an extra copy when doing so.
      28             : 
      29             : // The consumer must call Close() when done with the codec, or when
      30             : // Terminated() is called by the GMP plugin indicating an abnormal shutdown
      31             : // of the underlying plugin.  After calling Close(), the consumer must
      32             : // not access this again.
      33             : 
      34             : // This interface is not thread-safe and must only be used from GMPThread.
      35           0 : class GMPVideoDecoderProxy {
      36             : public:
      37             :   virtual nsresult InitDecode(const GMPVideoCodec& aCodecSettings,
      38             :                               const nsTArray<uint8_t>& aCodecSpecific,
      39             :                               GMPVideoDecoderCallbackProxy* aCallback,
      40             :                               int32_t aCoreCount) = 0;
      41             :   virtual nsresult Decode(mozilla::GMPUniquePtr<GMPVideoEncodedFrame> aInputFrame,
      42             :                           bool aMissingFrames,
      43             :                           const nsTArray<uint8_t>& aCodecSpecificInfo,
      44             :                           int64_t aRenderTimeMs = -1) = 0;
      45             :   virtual nsresult Reset() = 0;
      46             :   virtual nsresult Drain() = 0;
      47             :   virtual uint32_t GetPluginId() const = 0;
      48             : 
      49             :   // Call to tell GMP/plugin the consumer will no longer use this
      50             :   // interface/codec.
      51             :   virtual void Close() = 0;
      52             : 
      53             :   virtual const nsCString& GetDisplayName() const = 0;
      54             : };
      55             : 
      56             : #endif