Index: webrtc/base/transformadapter.cc |
diff --git a/webrtc/base/transformadapter.cc b/webrtc/base/transformadapter.cc |
deleted file mode 100644 |
index 1f1a2a055c1be82fc2a6cdc76041f3b05f6a8a88..0000000000000000000000000000000000000000 |
--- a/webrtc/base/transformadapter.cc |
+++ /dev/null |
@@ -1,197 +0,0 @@ |
-/* |
- * 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. |
- */ |
- |
-#include "webrtc/base/transformadapter.h" |
- |
-#include <string.h> |
- |
-#include "webrtc/base/checks.h" |
- |
-namespace rtc { |
- |
-/////////////////////////////////////////////////////////////////////////////// |
- |
-TransformAdapter::TransformAdapter(StreamInterface * stream, |
- TransformInterface * transform, |
- bool direction_read) |
- : StreamAdapterInterface(stream), transform_(transform), |
- direction_read_(direction_read), state_(ST_PROCESSING), len_(0) { |
-} |
- |
-TransformAdapter::~TransformAdapter() { |
- TransformAdapter::Close(); |
- delete transform_; |
-} |
- |
-StreamResult |
-TransformAdapter::Read(void * buffer, size_t buffer_len, |
- size_t * read, int * error) { |
- if (!direction_read_) |
- return SR_EOS; |
- |
- while (state_ != ST_ERROR) { |
- if (state_ == ST_COMPLETE) |
- return SR_EOS; |
- |
- // Buffer more data |
- if ((state_ == ST_PROCESSING) && (len_ < sizeof(buffer_))) { |
- size_t subread; |
- StreamResult result = StreamAdapterInterface::Read( |
- buffer_ + len_, |
- sizeof(buffer_) - len_, |
- &subread, |
- &error_); |
- if (result == SR_BLOCK) { |
- return SR_BLOCK; |
- } else if (result == SR_ERROR) { |
- state_ = ST_ERROR; |
- break; |
- } else if (result == SR_EOS) { |
- state_ = ST_FLUSHING; |
- } else { |
- len_ += subread; |
- } |
- } |
- |
- // Process buffered data |
- size_t in_len = len_; |
- size_t out_len = buffer_len; |
- StreamResult result = transform_->Transform(buffer_, &in_len, |
- buffer, &out_len, |
- (state_ == ST_FLUSHING)); |
- RTC_DCHECK(result != SR_BLOCK); |
- if (result == SR_EOS) { |
- // Note: Don't signal SR_EOS this iteration, unless out_len is zero |
- state_ = ST_COMPLETE; |
- } else if (result == SR_ERROR) { |
- state_ = ST_ERROR; |
- error_ = -1; // TODO: propagate error |
- break; |
- } else if ((out_len == 0) && (state_ == ST_FLUSHING)) { |
- // If there is no output AND no more input, then something is wrong |
- state_ = ST_ERROR; |
- error_ = -1; // TODO: better error code? |
- break; |
- } |
- |
- len_ -= in_len; |
- if (len_ > 0) |
- memmove(buffer_, buffer_ + in_len, len_); |
- |
- if (out_len == 0) |
- continue; |
- |
- if (read) |
- *read = out_len; |
- return SR_SUCCESS; |
- } |
- |
- if (error) |
- *error = error_; |
- return SR_ERROR; |
-} |
- |
-StreamResult |
-TransformAdapter::Write(const void * data, size_t data_len, |
- size_t * written, int * error) { |
- if (direction_read_) |
- return SR_EOS; |
- |
- size_t bytes_written = 0; |
- while (state_ != ST_ERROR) { |
- if (state_ == ST_COMPLETE) |
- return SR_EOS; |
- |
- if (len_ < sizeof(buffer_)) { |
- // Process buffered data |
- size_t in_len = data_len; |
- size_t out_len = sizeof(buffer_) - len_; |
- StreamResult result = transform_->Transform(data, &in_len, |
- buffer_ + len_, &out_len, |
- (state_ == ST_FLUSHING)); |
- |
- RTC_DCHECK(result != SR_BLOCK); |
- if (result == SR_EOS) { |
- // Note: Don't signal SR_EOS this iteration, unless no data written |
- state_ = ST_COMPLETE; |
- } else if (result == SR_ERROR) { |
- RTC_NOTREACHED(); // When this happens, think about what should be done |
- state_ = ST_ERROR; |
- error_ = -1; // TODO: propagate error |
- break; |
- } |
- |
- len_ = out_len; |
- bytes_written = in_len; |
- } |
- |
- size_t pos = 0; |
- while (pos < len_) { |
- size_t subwritten; |
- StreamResult result = StreamAdapterInterface::Write(buffer_ + pos, |
- len_ - pos, |
- &subwritten, |
- &error_); |
- if (result == SR_BLOCK) { |
- RTC_NOTREACHED(); // We should handle this |
- return SR_BLOCK; |
- } else if (result == SR_ERROR) { |
- state_ = ST_ERROR; |
- break; |
- } else if (result == SR_EOS) { |
- state_ = ST_COMPLETE; |
- break; |
- } |
- |
- pos += subwritten; |
- } |
- |
- len_ -= pos; |
- if (len_ > 0) |
- memmove(buffer_, buffer_ + pos, len_); |
- |
- if (bytes_written == 0) |
- continue; |
- |
- if (written) |
- *written = bytes_written; |
- return SR_SUCCESS; |
- } |
- |
- if (error) |
- *error = error_; |
- return SR_ERROR; |
-} |
- |
-void |
-TransformAdapter::Close() { |
- if (!direction_read_ && (state_ == ST_PROCESSING)) { |
- state_ = ST_FLUSHING; |
- do { |
- Write(0, 0, nullptr, nullptr); |
- } while (state_ == ST_FLUSHING); |
- } |
- state_ = ST_COMPLETE; |
- StreamAdapterInterface::Close(); |
-} |
- |
-bool TransformAdapter::GetAvailable(size_t* size) const { |
- return false; |
-} |
- |
-bool TransformAdapter::ReserveSize(size_t size) { |
- return true; |
-} |
- |
-bool TransformAdapter::Rewind() { |
- return false; |
-} |
- |
-} // namespace rtc |