94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
/*
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* Copyright 2018, Dario Casalinuovo. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _META_DATA_H
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#define _META_DATA_H
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#include <Message.h>
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namespace BPrivate {
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namespace media {
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enum MetaDataKeys {
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// Playback capabilities
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CanPause = 0x1000, // bool
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CanSeekBackward, // bool
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CanSeekForward, // bool
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CanSeek, // bool
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// Bitrates
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AudioBitRate, // uint32 (bps)
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VideoBitRate, // uint32 (bps)
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AudioSampleRate, // uint32 (hz)
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VideoFrameRate, // uint32 (hz)
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// RFC2046 and RFC4281
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MimeType, // BString
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AudioCodec, // BString
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VideoCodec, // BString
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VideoHeight, // uint32
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VideoWidth, // uint32
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NumTracks, // uint32
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DrmCrippled, // bool
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// General use attributes
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Title, // BString
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Comment, // BString
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Copyright, // BString
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Album, // BString
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Artist, // BString
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Author, // BString
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Composer, // BString
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Genre, // BString
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// TODO: what we would use for encoded dates?
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// Date, // date
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Duration, // uint32 (ms)
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Rating, // BString
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// TODO: BBitmap? uint8 array?
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//AlbumArt, //
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CDTrackNum, // uint32
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CDTrackMax // uint32
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};
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class BMetaData {
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public:
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BMetaData();
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~BMetaData();
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// Woah. It seems we need BValue there.
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status_t SetString(uint32 key, const BString& value);
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status_t SetBool(uint32 key, bool value);
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status_t SetUInt32(uint32 key, uint32 value);
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status_t FindString(uint32 key, BString* value) const;
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status_t FindBool(uint32 key, bool* value) const;
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status_t FindUInt32(uint32 key, uint32* value) const;
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status_t RemoveValue(uint32 key);
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// Clean up all keys
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void Reset();
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status_t FromMessage(const BMessage& msg);
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const BMessage& ToMessage();
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private:
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// TODO: padding
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BMessage* fMessage;
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BMetaData(const BMetaData&);
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BMetaData& operator=(const BMetaData&);
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};
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} // namespace media
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} // namespace BPrivate
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using namespace BPrivate::media;
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#endif // _META_DATA_H
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