forked from Mirrors/openclonk
129 lines
3.4 KiB
C++
129 lines
3.4 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
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* Copyright (c) 2009-2013, The OpenClonk Team and contributors
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*
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* Distributed under the terms of the ISC license; see accompanying file
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* "COPYING" for details.
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*
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* "Clonk" is a registered trademark of Matthes Bender, used with permission.
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* See accompanying file "TRADEMARK" for details.
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*
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* To redistribute this file separately, substitute the full license texts
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* for the above references.
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*/
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/* Handles Music Files */
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#ifndef INC_C4MusicFile
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#define INC_C4MusicFile
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#include <C4SoundIncludes.h>
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#include <C4SoundLoaders.h>
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/* Base class */
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class C4MusicFile
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{
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public:
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C4MusicFile() :
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pNext(NULL), LastPlayed(-1), NoPlay(false), loop(false), SongExtracted(false), announced(false)
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{ }
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virtual ~C4MusicFile() { }
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// data
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char FileName[_MAX_FNAME +1];
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C4MusicFile *pNext;
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int LastPlayed;
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bool NoPlay;
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bool loop;
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bool announced;
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virtual bool Init(const char *strFile);
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virtual bool Play(bool loop = false, double max_resume_time = 0.0) = 0;
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virtual void Stop(int fadeout_ms = 0) = 0;
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virtual void CheckIfPlaying() = 0;
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virtual void SetVolume(int) = 0;
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virtual bool HasCategory(const char *szcat) const { return false; }
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virtual double GetRemainingTime() { return 0.0; }
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virtual bool HasResumePos() const { return false; }
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virtual void ClearResumePos() { }
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bool IsLooping() const { return loop; }
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bool HasBeenAnnounced() const { return announced; }
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void Announce();
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protected:
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// helper: copy data to a (temp) file
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bool ExtractFile();
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bool RemTempFile(); // remove the temp file
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bool SongExtracted;
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};
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#if AUDIO_TK == AUDIO_TK_SDL_MIXER
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typedef struct _Mix_Music Mix_Music;
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class C4MusicFileSDL : public C4MusicFile
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{
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public:
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C4MusicFileSDL();
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~C4MusicFileSDL();
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bool Play(bool loop = false, double max_resume_time = 0.0);
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void Stop(int fadeout_ms = 0);
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void CheckIfPlaying();
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void SetVolume(int);
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protected:
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char *Data;
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Mix_Music * Music;
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};
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#elif AUDIO_TK == AUDIO_TK_OPENAL
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class C4MusicFileOgg : public C4MusicFile
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{
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public:
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C4MusicFileOgg();
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~C4MusicFileOgg();
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void Clear();
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virtual bool Init(const char *strFile);
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bool Play(bool loop = false, double max_resume_time = 0.0);
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void Stop(int fadeout_ms = 0);
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void CheckIfPlaying();
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void SetVolume(int);
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virtual bool HasCategory(const char *szcat) const;
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double GetRemainingTime();
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bool HasResumePos() const { return (last_playback_pos_sec > 0); }
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void ClearResumePos() { last_playback_pos_sec = 0.0; }
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private:
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enum { num_buffers = 4, buffer_size = 160*1024 };
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::C4SoundLoaders::VorbisLoader::CompressedData data;
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::C4SoundLoaders::SoundInfo ogg_info;
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OggVorbis_File ogg_file;
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bool is_loading_from_file;
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CStdFile source_file;
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long last_source_file_pos; // remember position in source_file because it may be closed and re-opened
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bool playing, streaming_done, loaded;
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ALuint buffers[num_buffers];
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ALuint channel;
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double last_playback_pos_sec; // last playback position for resume when fading between pieces
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int current_section;
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size_t byte_pos_total;
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float volume;
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std::vector<StdCopyStrBuf> categories; // cateogries stored in meta info
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bool FillBuffer(size_t idx);
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void Execute(); // fill processed buffers
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void UnprepareSourceFileReading(); // close file handle but remember buffer position for re-opening
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bool PrepareSourceFileReading(); // close file handle but remember buffer position for re-opening
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friend class C4SoundLoaders::VorbisLoader;
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};
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#endif
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#endif
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