1 // Copyright (c) 2005-2007, Rodrigo Braz Monteiro 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are met: 6 // 7 // * Redistributions of source code must retain the above copyright notice, 8 // this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above copyright notice, 10 // this list of conditions and the following disclaimer in the documentation 11 // and/or other materials provided with the distribution. 12 // * Neither the name of the Aegisub Group nor the names of its contributors 13 // may be used to endorse or promote products derived from this software 14 // without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 20 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 // POSSIBILITY OF SUCH DAMAGE. 27 // 28 // Aegisub Project http://www.aegisub.org/ 29 30 /// @file audio_player.h 31 /// @brief Declaration of base-class for audio players 32 /// @ingroup main_headers audio_output 33 /// 34 35 #pragma once 36 37 #include <libaegisub/exception.h> 38 39 #include <cstdint> 40 #include <memory> 41 #include <string> 42 #include <vector> 43 44 namespace agi { class AudioProvider; } 45 class wxWindow; 46 47 class AudioPlayer { 48 protected: 49 agi::AudioProvider *provider; 50 51 public: AudioPlayer(agi::AudioProvider * provider)52 AudioPlayer(agi::AudioProvider *provider) : provider(provider) { } 53 virtual ~AudioPlayer() = default; 54 55 virtual void Play(int64_t start,int64_t count)=0; // Play sample range 56 virtual void Stop()=0; // Stop playing 57 virtual bool IsPlaying()=0; 58 59 virtual void SetVolume(double volume)=0; 60 61 virtual int64_t GetEndPosition()=0; 62 virtual int64_t GetCurrentPosition()=0; 63 virtual void SetEndPosition(int64_t pos)=0; 64 }; 65 66 struct AudioPlayerFactory { 67 static std::vector<std::string> GetClasses(); 68 static std::unique_ptr<AudioPlayer> GetAudioPlayer(agi::AudioProvider *provider, wxWindow *window); 69 }; 70 71 DEFINE_EXCEPTION(AudioPlayerOpenError, agi::Exception); 72