Index: remoting/base/compressor_zlib.cc |
diff --git a/remoting/base/compressor_zlib.cc b/remoting/base/compressor_zlib.cc |
deleted file mode 100644 |
index 05ad621fb83ee1c1e2c7787dbd0974cdaa6131bb..0000000000000000000000000000000000000000 |
--- a/remoting/base/compressor_zlib.cc |
+++ /dev/null |
@@ -1,84 +0,0 @@ |
-// Copyright (c) 2010 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "remoting/base/compressor_zlib.h" |
- |
-#if defined(USE_SYSTEM_ZLIB) |
-#include <zlib.h> |
-#else |
-#include "third_party/zlib/zlib.h" |
-#endif |
-#include "base/logging.h" |
- |
-namespace remoting { |
- |
-CompressorZlib::CompressorZlib() { |
- Reset(); |
-} |
- |
-CompressorZlib::~CompressorZlib() { |
- deflateEnd(stream_.get()); |
-} |
- |
-void CompressorZlib::Reset() { |
- if (stream_.get()) |
- deflateEnd(stream_.get()); |
- |
- stream_.reset(new z_stream()); |
- |
- stream_->next_in = Z_NULL; |
- stream_->zalloc = Z_NULL; |
- stream_->zfree = Z_NULL; |
- stream_->opaque = Z_NULL; |
- |
- deflateInit(stream_.get(), Z_BEST_SPEED); |
-} |
- |
-bool CompressorZlib::Process(const uint8* input_data, int input_size, |
- uint8* output_data, int output_size, |
- CompressorFlush flush, int* consumed, |
- int* written) { |
- DCHECK_GT(output_size, 0); |
- |
- // Setup I/O parameters. |
- stream_->avail_in = input_size; |
- stream_->next_in = (Bytef*)input_data; |
- stream_->avail_out = output_size; |
- stream_->next_out = (Bytef*)output_data; |
- |
- int z_flush = 0; |
- if (flush == CompressorSyncFlush) { |
- z_flush = Z_SYNC_FLUSH; |
- } else if (flush == CompressorFinish) { |
- z_flush = Z_FINISH; |
- } else if (flush == CompressorNoFlush) { |
- z_flush = Z_NO_FLUSH; |
- } else { |
- NOTREACHED() << "Unsupported flush mode"; |
- } |
- |
- int ret = deflate(stream_.get(), z_flush); |
- if (ret == Z_STREAM_ERROR) { |
- NOTREACHED() << "zlib compression failed"; |
- } |
- |
- *consumed = input_size - stream_->avail_in; |
- *written = output_size - stream_->avail_out; |
- |
- // If |ret| equals Z_STREAM_END we have reached the end of stream. |
- // If |ret| equals Z_BUF_ERROR we have the end of the synchronication point. |
- // For these two cases we need to stop compressing. |
- if (ret == Z_OK) { |
- return true; |
- } else if (ret == Z_STREAM_END) { |
- return false; |
- } else if (ret == Z_BUF_ERROR) { |
- return stream_->avail_out == 0; |
- } else { |
- NOTREACHED() << "Unexpected zlib error: " << ret; |
- return false; |
- } |
-} |
- |
-} // namespace remoting |