VLCMedia.h

/*****************************************************************************
 * VLCMedia.h: VLCKit.framework VLCMedia header
 *****************************************************************************
 * Copyright (C) 2007 Pierre d'Herbemont
 * Copyright (C) 2013 Felix Paul Kühne
 * Copyright (C) 2007-2013 VLC authors and VideoLAN
 * $Id$
 *
 * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
 *          Felix Paul Kühne <fkuehne # videolan.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#import <Foundation/Foundation.h>
#import "VLCMediaList.h"
#import "VLCTime.h"

/* Meta Dictionary Keys */
extern NSString *const VLCMetaInformationTitle;          /* NSString */
extern NSString *const VLCMetaInformationArtist;         /* NSString */
extern NSString *const VLCMetaInformationGenre;          /* NSString */
extern NSString *const VLCMetaInformationCopyright;      /* NSString */
extern NSString *const VLCMetaInformationAlbum;          /* NSString */
extern NSString *const VLCMetaInformationTrackNumber;    /* NSString */
extern NSString *const VLCMetaInformationDescription;    /* NSString */
extern NSString *const VLCMetaInformationRating;         /* NSString */
extern NSString *const VLCMetaInformationDate;           /* NSString */
extern NSString *const VLCMetaInformationSetting;        /* NSString */
extern NSString *const VLCMetaInformationURL;            /* NSString */
extern NSString *const VLCMetaInformationLanguage;       /* NSString */
extern NSString *const VLCMetaInformationNowPlaying;     /* NSString */
extern NSString *const VLCMetaInformationPublisher;      /* NSString */
extern NSString *const VLCMetaInformationEncodedBy;      /* NSString */
extern NSString *const VLCMetaInformationArtworkURL;     /* NSString */
extern NSString *const VLCMetaInformationArtwork;        /* NSImage  */
extern NSString *const VLCMetaInformationTrackID;        /* NSString */
extern NSString *const VLCMetaInformationTrackTotal;     /* NSString */
extern NSString *const VLCMetaInformationDirector;       /* NSString */
extern NSString *const VLCMetaInformationSeason;         /* NSString */
extern NSString *const VLCMetaInformationEpisode;        /* NSString */
extern NSString *const VLCMetaInformationShowName;       /* NSString */
extern NSString *const VLCMetaInformationActors;         /* NSString */
extern NSString *const VLCMetaInformationAlbumArtist;    /* NSString */
extern NSString *const VLCMetaInformationDiscNumber;     /* NSString */

/* Notification Messages */
extern NSString *const VLCMediaMetaChanged;  

// Forward declarations, supresses compiler error messages
@class VLCMediaList;
@class VLCMedia;

typedef NS_ENUM(NSInteger, VLCMediaState) {
    VLCMediaStateNothingSpecial,        
    VLCMediaStateBuffering,             
    VLCMediaStatePlaying,               
    VLCMediaStateError,                 
};

@protocol VLCMediaDelegate <NSObject>

@optional

- (void)mediaMetaDataDidChange:(VLCMedia *)aMedia;

- (void)mediaDidFinishParsing:(VLCMedia *)aMedia;
@end

@interface VLCMedia : NSObject

/* Factories */
+ (instancetype)mediaWithURL:(NSURL *)anURL;

+ (instancetype)mediaWithPath:(NSString *)aPath;

+ (NSString *)codecNameForFourCC:(uint32_t)fourcc trackType:(NSString *)trackType;

+ (instancetype)mediaAsNodeWithName:(NSString *)aName;

/* Initializers */
- (instancetype)initWithURL:(NSURL *)anURL;

- (instancetype)initWithPath:(NSString *)aPath;

- (instancetype)initAsNodeWithName:(NSString *)aName;

typedef NS_ENUM(NSUInteger, VLCMediaType) {
    VLCMediaTypeUnknown,
    VLCMediaTypeFile,
    VLCMediaTypeDirectory,
    VLCMediaTypeDisc,
    VLCMediaTypeStream,
    VLCMediaTypePlaylist,
};

@property (readonly) VLCMediaType mediaType;

- (NSComparisonResult)compare:(VLCMedia *)media;

/* Properties */
@property (nonatomic, weak) id<VLCMediaDelegate> delegate;

@property (nonatomic, readwrite, strong) VLCTime * length;

- (VLCTime *)lengthWaitUntilDate:(NSDate *)aDate;

@property (nonatomic, readonly) BOOL isParsed __attribute__((deprecated));

typedef NS_ENUM(unsigned, VLCMediaParsedStatus)
{
    VLCMediaParsedStatusInit = 0,
    VLCMediaParsedStatusSkipped,
    VLCMediaParsedStatusFailed,
    VLCMediaParsedStatusDone
};
@property (nonatomic, readonly) VLCMediaParsedStatus parsedStatus;

@property (nonatomic, readonly, strong) NSURL * url;

@property (nonatomic, readonly, strong) VLCMediaList * subitems;

- (NSString *)metadataForKey:(NSString *)key;

- (void)setMetadata:(NSString *)data forKey:(NSString *)key;

@property (NS_NONATOMIC_IOSONLY, readonly) BOOL saveMetadata;

@property (nonatomic, readonly, copy) NSDictionary * metaDictionary;

@property (nonatomic, readonly) VLCMediaState state;

@property (NS_NONATOMIC_IOSONLY, getter=isMediaSizeSuitableForDevice, readonly) BOOL mediaSizeSuitableForDevice;

extern NSString *const VLCMediaTracksInformationCodec;

extern NSString *const VLCMediaTracksInformationId;
extern NSString *const VLCMediaTracksInformationType;

extern NSString *const VLCMediaTracksInformationCodecProfile;
extern NSString *const VLCMediaTracksInformationCodecLevel;

extern NSString *const VLCMediaTracksInformationBitrate;
extern NSString *const VLCMediaTracksInformationLanguage;
extern NSString *const VLCMediaTracksInformationDescription;

extern NSString *const VLCMediaTracksInformationAudioChannelsNumber;
extern NSString *const VLCMediaTracksInformationAudioRate;

extern NSString *const VLCMediaTracksInformationVideoHeight;
extern NSString *const VLCMediaTracksInformationVideoWidth;

extern NSString *const VLCMediaTracksInformationSourceAspectRatio;
extern NSString *const VLCMediaTracksInformationSourceAspectRatioDenominator;

extern NSString *const VLCMediaTracksInformationFrameRate;
extern NSString *const VLCMediaTracksInformationFrameRateDenominator;

extern NSString *const VLCMediaTracksInformationTextEncoding;

extern NSString *const VLCMediaTracksInformationTypeAudio;
extern NSString *const VLCMediaTracksInformationTypeVideo;
extern NSString *const VLCMediaTracksInformationTypeText;
extern NSString *const VLCMediaTracksInformationTypeUnknown;

@property (NS_NONATOMIC_IOSONLY, readonly, copy) NSArray *tracksInformation;

- (void)parse __attribute__((deprecated));

- (void)synchronousParse __attribute__((deprecated));


enum {
    VLCMediaParseLocal          = 0x00,
    VLCMediaParseNetwork        = 0x01,
    VLCMediaFetchLocal          = 0x02,
    VLCMediaFetchNetwork        = 0x04,
};
typedef int VLCMediaParsingOptions;

- (int)parseWithOptions:(VLCMediaParsingOptions)options;

- (int)parseWithOptions:(VLCMediaParsingOptions)options timeout:(int)timeoutValue;

- (void) addOptions:(NSDictionary*) options;

@property (NS_NONATOMIC_IOSONLY, readonly, copy) NSDictionary *stats;

#pragma mark - individual stats

@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfReadBytesOnInput;
@property (NS_NONATOMIC_IOSONLY, readonly) float inputBitrate;

@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfReadBytesOnDemux;
@property (NS_NONATOMIC_IOSONLY, readonly) float demuxBitrate;

@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfDecodedVideoBlocks;
@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfDecodedAudioBlocks;

@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfDisplayedPictures;
@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfLostPictures;

@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfPlayedAudioBuffers;
@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfLostAudioBuffers;

@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfSentPackets;
@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfSentBytes;
@property (NS_NONATOMIC_IOSONLY, readonly) float streamOutputBitrate;
@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfCorruptedDataPackets;
@property (NS_NONATOMIC_IOSONLY, readonly) NSInteger numberOfDiscontinuties;

@end