EasyDecoder.h

00001 /* mbed EasyDecoder Library
00002  * Copyright (C) 2017 dkato
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #ifndef __EASY_DECODER_H__
00018 #define __EASY_DECODER_H__
00019 
00020 #include "mbed.h"
00021 
00022 class EasyDecoder {
00023 public:
00024 
00025     virtual ~EasyDecoder(){}
00026 
00027     /** analyze header
00028      *
00029      * @param p_title title tag buffer
00030      * @param p_artist artist tag buffer
00031      * @param p_album album tag buffer
00032      * @param tag_size tag buffer size
00033      * @param fp file pointer
00034      * @return true = success, false = failure
00035      */
00036     virtual bool AnalyzeHeder(char* p_title, char* p_artist, char* p_album, uint16_t tag_size, FILE* fp) = 0;
00037 
00038     /** get next data
00039      *
00040      * @param buf data buffer address
00041      * @param len data buffer length
00042      * @return get data size
00043      */
00044     virtual size_t GetNextData(void *buf, size_t len) = 0;
00045 
00046     /** get channel
00047      *
00048      * @return channel
00049      */
00050     virtual uint16_t GetChannel() = 0;
00051 
00052     /** get block size
00053      *
00054      * @return block size
00055      */
00056     virtual uint16_t GetBlockSize() = 0;
00057 
00058     /** get sampling rate
00059      *
00060      * @return sampling rate
00061      */
00062     virtual uint32_t GetSamplingRate() = 0;
00063 
00064 };
00065 
00066 #endif