| /* |
| * 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. |
| */ |
| |
| #ifndef AAUDIO_FIXED_BLOCK_WRITER_H |
| #define AAUDIO_FIXED_BLOCK_WRITER_H |
| |
| #include <stdint.h> |
| |
| #include "FixedBlockAdapter.h" |
| |
| /** |
| * This can be used to convert a push data flow from variable sized buffers to fixed sized buffers. |
| * An example would be an audio input callback. |
| */ |
| class FixedBlockWriter : public FixedBlockAdapter |
| { |
| public: |
| FixedBlockWriter(FixedBlockProcessor &fixedBlockProcessor); |
| |
| virtual ~FixedBlockWriter() = default; |
| |
| /** |
| * Write from a variable sized block. |
| * |
| * Note that if the fixed-sized blocks must be aligned, then the variable-sized blocks |
| * must have the same alignment. |
| * For example, if the fixed-size blocks must be a multiple of 8, then the variable-sized |
| * blocks must also be a multiple of 8. |
| * |
| * @param buffer |
| * @param numBytes |
| * @return Number of bytes written or a negative error code. |
| */ |
| int32_t write(uint8_t *buffer, int32_t numBytes); |
| |
| private: |
| |
| int32_t writeToStorage(uint8_t *buffer, int32_t numBytes); |
| }; |
| |
| #endif /* AAUDIO_FIXED_BLOCK_WRITER_H */ |