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-rw-r--r--variablespeed/jni/decode_buffer.h59
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diff --git a/variablespeed/jni/decode_buffer.h b/variablespeed/jni/decode_buffer.h
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--- a/variablespeed/jni/decode_buffer.h
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-/*
- * Copyright (C) 2011 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.
- */
-
-#ifndef FRAMEWORKS_EX_VARIABLESPEED_JNI_DECODE_BUFFER_H_
-#define FRAMEWORKS_EX_VARIABLESPEED_JNI_DECODE_BUFFER_H_
-
-#include <integral_types.h>
-#include <macros.h>
-#include <stdlib.h>
-#include <vector>
-
-// DecodeBuffer is used to store arrays of int16 values for audio.
-//
-// This class is not thread-safe. You should provide your own
-// synchronization if you wish to use it from multiple threads.
-class DecodeBuffer {
- public:
- DecodeBuffer(size_t sizeOfOneBuffer, size_t maxSize);
- virtual ~DecodeBuffer();
- size_t GetSizeInBytes() const;
- void AddData(int8_t* pointer, size_t lengthInBytes);
- void Clear();
- void AdvanceHeadPointerShorts(size_t numberOfShorts);
- int16 GetAtIndex(size_t index);
- bool IsTooLarge() const;
- size_t GetTotalAdvancedCount() const;
-
- private:
- void PushValue(int16 value);
-
- size_t sizeOfOneBuffer_;
- size_t maxSize_;
- size_t start_;
- size_t end_;
- size_t advancedCount_;
- // This vector isn't ideal because we perform a number of queue-like
- // operations: namely removing from the front and appending at the back.
- // However we also need constant-time access to the elements of this
- // vector, and therefore it's not good enough to use a std::queue.
- // In practice this data structure choice doesn't seem to be a bottleneck.
- std::vector<int16*> data_;
-
- DISALLOW_COPY_AND_ASSIGN(DecodeBuffer);
-};
-
-#endif // FRAMEWORKS_EX_VARIABLESPEED_JNI_DECODE_BUFFER_H_