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Diffstat (limited to 'externals/oboe/src/common/FixedBlockReader.cpp')
-rw-r--r--externals/oboe/src/common/FixedBlockReader.cpp73
1 files changed, 0 insertions, 73 deletions
diff --git a/externals/oboe/src/common/FixedBlockReader.cpp b/externals/oboe/src/common/FixedBlockReader.cpp
deleted file mode 100644
index 62e9664d9f..0000000000
--- a/externals/oboe/src/common/FixedBlockReader.cpp
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdint.h>
-#include <memory.h>
-
-#include "FixedBlockAdapter.h"
-
-#include "FixedBlockReader.h"
-
-
-FixedBlockReader::FixedBlockReader(FixedBlockProcessor &fixedBlockProcessor)
- : FixedBlockAdapter(fixedBlockProcessor) {
- mPosition = mSize;
-}
-
-int32_t FixedBlockReader::open(int32_t bytesPerFixedBlock) {
- int32_t result = FixedBlockAdapter::open(bytesPerFixedBlock);
- mPosition = 0;
- mValid = 0;
- return result;
-}
-
-int32_t FixedBlockReader::readFromStorage(uint8_t *buffer, int32_t numBytes) {
- int32_t bytesToRead = numBytes;
- int32_t dataAvailable = mValid - mPosition;
- if (bytesToRead > dataAvailable) {
- bytesToRead = dataAvailable;
- }
- memcpy(buffer, mStorage.get() + mPosition, bytesToRead);
- mPosition += bytesToRead;
- return bytesToRead;
-}
-
-int32_t FixedBlockReader::read(uint8_t *buffer, int32_t numBytes) {
- int32_t bytesRead;
- int32_t bytesLeft = numBytes;
- while(bytesLeft > 0) {
- if (mPosition < mValid) {
- // Use up bytes currently in storage.
- bytesRead = readFromStorage(buffer, bytesLeft);
- buffer += bytesRead;
- bytesLeft -= bytesRead;
- } else if (bytesLeft >= mSize) {
- // Nothing in storage. Read through if enough for a complete block.
- bytesRead = mFixedBlockProcessor.onProcessFixedBlock(buffer, mSize);
- if (bytesRead < 0) return bytesRead;
- buffer += bytesRead;
- bytesLeft -= bytesRead;
- } else {
- // Just need a partial block so we have to reload storage.
- bytesRead = mFixedBlockProcessor.onProcessFixedBlock(mStorage.get(), mSize);
- if (bytesRead < 0) return bytesRead;
- mPosition = 0;
- mValid = bytesRead;
- if (bytesRead == 0) break;
- }
- }
- return numBytes - bytesLeft;
-}