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mp3track.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
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00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
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00012  * This program is distributed in the hope that it will be useful,
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00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
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00022 
00023 #ifndef GRIM_MP3TRACK_H
00024 #define GRIM_MP3TRACK_H
00025 
00026 #include "common/str.h"
00027 #include "common/stream.h"
00028 #include "audio/timestamp.h"
00029 #include "engines/grim/emi/sound/track.h"
00030 
00031 namespace Audio {
00032     class AudioStream;
00033     class SoundHandle;
00034 }
00035 
00036 namespace Grim {
00037 
00038 class MP3Track : public SoundTrack {
00039     struct JMMCuePoints {
00040         Audio::Timestamp _start;
00041         Audio::Timestamp _loopStart;
00042         Audio::Timestamp _loopEnd;
00043     };
00044     uint32 _headerSize;
00045     uint32 _regionLength;
00046     uint32 _freq;
00047     char _bits;
00048     char _channels;
00049     bool _endFlag;
00050     bool _looping;
00051     void parseRIFFHeader(Common::SeekableReadStream *data);
00052     JMMCuePoints parseJMMFile(const Common::String &filename);
00053 public:
00054     MP3Track(Audio::Mixer::SoundType soundType);
00055     ~MP3Track();
00056     bool openSound(const Common::String &filename, const Common::String &soundName, const Audio::Timestamp *start = nullptr) override;
00057     bool hasLooped() override;
00058     bool isPlaying() override;
00059     Audio::Timestamp getPos() override;
00060 };
00061 
00062 }
00063 #endif


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