EasyPlayback.h

00001 /* mbed EasyPlayback 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_PLAYBACK_H__
00018 #define __EASY_PLAYBACK_H__
00019 
00020 #include <string>
00021 #include <map>
00022 #include "EasyDecoder.h"
00023 #include "AUDIO_GRBoard.h"
00024 #include "PwmOutSpeaker.h"
00025 #include "SPDIF_GRBoard.h"
00026 #include "SoundlessSpeaker.h"
00027 #include "NullSpeaker.h"
00028 #include "FATFileSystem.h"
00029 
00030 class EasyPlayback
00031 {
00032 public:
00033     typedef enum {
00034         AUDIO_TPYE_SSIF,
00035         AUDIO_TPYE_PWM,
00036         AUDIO_TPYE_SPDIF,
00037         AUDIO_TPYE_SOUNDLESS,
00038         AUDIO_TPYE_NULL
00039     } audio_type_t;
00040 
00041     EasyPlayback(audio_type_t type = AUDIO_TPYE_SSIF, PinName pin1 = NC, PinName pin2 = NC);
00042     ~EasyPlayback();
00043     bool get_tag(const char* filename, char* p_title, char* p_artist, char* p_album, uint16_t tag_size);
00044     bool play(const char* filename);
00045     bool is_paused(void);
00046     void pause(void);
00047     void pause(bool type);
00048     void skip(void);
00049     bool outputVolume(float VolumeOut);
00050 
00051     template<typename T>
00052     void add_decoder(const string& extension) {
00053         m_lpDecoders[extension] = &T::inst;
00054     }
00055 
00056 private:
00057     AUDIO_GRBoard * _audio_ssif;
00058     PwmOutSpeaker * _audio_pwm;
00059 #if (R_BSP_SPDIF_ENABLE == 1)
00060     SPDIF_GRBoard * _audio_spdif;
00061 #endif
00062     SoundlessSpeaker * _audio_soundless;
00063     NullSpeaker * _audio_null;
00064     AUDIO_RBSP * _audio;
00065     int _buff_index;
00066     audio_type_t _type;
00067     bool _skip;
00068     bool _pause;
00069     bool _init_end;
00070     uint32_t _audio_write_buff_num;
00071     uint32_t _audio_buff_size;
00072     uint8_t *_heap_buf;
00073     uint8_t *_audio_buf;
00074     std::map<std::string, EasyDecoder*(*)()> m_lpDecoders;
00075 
00076     EasyDecoder * create_decoer_class(const char* filename);
00077 };
00078 
00079 #endif