Delete transformadapter.cc and transformadapter.h.

webrtc/base/transformadapter.h

-/*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_BASE_TRANSFORMADAPTER_H__
-#define WEBRTC_BASE_TRANSFORMADAPTER_H__
-
-#include "webrtc/base/stream.h"
-
-namespace rtc {
-///////////////////////////////////////////////////////////////////////////////
-
-class TransformInterface {
-public:
-  virtual ~TransformInterface() { }
-
-  // Transform should convert the in_len bytes of input into the out_len-sized
-  // output buffer.  If flush is true, there will be no more data following
-  // input.
-  // After the transformation, in_len contains the number of bytes consumed, and
-  // out_len contains the number of bytes ready in output.
-  // Note: Transform should not return SR_BLOCK, as there is no asynchronous
-  // notification available.
-  virtual StreamResult Transform(const void * input, size_t * in_len,
-                                 void * output, size_t * out_len,
-                                 bool flush) = 0;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-// TransformAdapter causes all data passed through to be transformed by the
-// supplied TransformInterface object, which may apply compression, encryption,
-// etc.
-
-class TransformAdapter : public StreamAdapterInterface {
-public:
-  // Note that the transformation is unidirectional, in the direction specified
-  // by the constructor.  Operations in the opposite direction result in SR_EOS.
-  TransformAdapter(StreamInterface * stream,
-                   TransformInterface * transform,
-                   bool direction_read);
-  ~TransformAdapter() override;
-
-  StreamResult Read(void* buffer,
-                    size_t buffer_len,
-                    size_t* read,
-                    int* error) override;
-  StreamResult Write(const void* data,
-                     size_t data_len,
-                     size_t* written,
-                     int* error) override;
-  void Close() override;
-
-  // Apriori, we can't tell what the transformation does to the stream length.
-  bool GetAvailable(size_t* size) const override;
-  bool ReserveSize(size_t size) override;
-
-  // Transformations might not be restartable
-  virtual bool Rewind();
-
-private:
-  enum State { ST_PROCESSING, ST_FLUSHING, ST_COMPLETE, ST_ERROR };
-  enum { BUFFER_SIZE = 1024 };
-
-  TransformInterface * transform_;
-  bool direction_read_;
-  State state_;
-  int error_;
-
-  char buffer_[BUFFER_SIZE];
-  size_t len_;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-} // namespace rtc
-
-#endif // WEBRTC_BASE_TRANSFORMADAPTER_H__