AliyunNativeParser

@interface AliyunNativeParser : NSObject

* A class that defines parsers.

  • * Initializer.

    Declaration

    Objective-C

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

    Parameters

    path

    The file path.

    Return Value

    A parser object.

  • * Gets basic parameters about the file.

    Declaration

    Objective-C

    - (NSString *)getValueForKey:(NSInteger)key;

    Parameters

    key

    The parameter name.

    Return Value

    The parameter value represented as a string. For example, to get the video duration: CGFloat duration = [[_parser getValueForKey:ALIYUN_VIDEO_DURATION] integerValue]/1000000.0f;

  • * Gets the video encoding format.

    Declaration

    Objective-C

    - (NSString *)getVideoCodec;

    Return Value

    The video encoding format. The getValueForKey: method is available.

  • * Gets the video duration.

    Declaration

    Objective-C

    - (CGFloat)getVideoDuration;

    Return Value

    The video duration. The getValueForKey: method is available.

  • * Gets the number of frames in the video.

    Declaration

    Objective-C

    - (NSInteger)getVideoFrameCount;

    Return Value

    The number of frames. The getValueForKey: method is available.

  • * Gets the video frame rate.

    Declaration

    Objective-C

    - (NSInteger)getVideoFrameRate;

    Return Value

    The video frame rate. The getValueForKey: method is available.

  • * Gets the video bitrate.

    Declaration

    Objective-C

    - (NSInteger)getVideoBitrate;

    Return Value

    The video bitrate. The getValueForKey: method is available.

  • * Gets the width of the video.

    Declaration

    Objective-C

    - (NSInteger)getVideoWidth;

    Return Value

    The width of the video. The getValueForKey: method is available.

  • * Gets the height of the video.

    Declaration

    Objective-C

    - (NSInteger)getVideoHeight;

    Return Value

    The height of the video. The getValueForKey: method is available.

  • * Gets the audio encoding format.

    Declaration

    Objective-C

    - (NSString *)getAudioCodec;

    Return Value

    The audio encoding format. The getValueForKey: method is available.

  • * Gets the audio duration.

    Declaration

    Objective-C

    - (CGFloat)getAudioDuration;

    Return Value

    The audio duration. The getValueForKey: method is available.

  • * Gets the number of frames in the audio.

    Declaration

    Objective-C

    - (NSInteger)getAudioFrameCount;

    Return Value

    The number of frames in the audio. The getValueForKey: method is available.

  • * Gets the audio bitrate.

    Declaration

    Objective-C

    - (NSInteger)getAudioBitrate;

    Return Value

    The audio bitrate. The getValueForKey: method is available.

  • * Gets the number of sound channels in the audio.

    Declaration

    Objective-C

    - (NSInteger)getAudioChannels;

    Return Value

    The number of sound channels in the audio. The getValueForKey: method is available.

  • * Gets the audio sample rate.

    Declaration

    Objective-C

    - (NSInteger)getAudioSampleRate;

    Return Value

    The audio sample rate. The getValueForKey: method is available.

  • * Get the audio sound format

    Declaration

    Objective-C

    - (NSInteger)getAudioSoundFormat;

    Return Value

    The audio sound format The getValudForKey: method is avaliable.

  • * Gets the video file duration.

    Declaration

    Objective-C

    - (CGFloat)getFileDuration;

    Return Value

    The video file duration. The getValueForKey: method is available.

  • * Gets the file format.

    Declaration

    Objective-C

    - (NSString *)getFileFormat;

    Return Value

    The file format. The getValueForKey: method is available.

  • * Gets the video file bitrate.

    Declaration

    Objective-C

    - (NSInteger)getFileBitrate;

    Return Value

    The video file bitrate. The getValueForKey: method is available.

  • * Gets the GOP size of the video.

    Declaration

    Objective-C

    - (NSInteger)getGopSize;

    Return Value

    The GOP size.

  • Deprecated

    deprecated

    * Whether B-frames exist in the video.

    Declaration

    Objective-C

    - (BOOL)checkBFrame;

    Return Value

    Whether B-frames exist.

  • Deprecated

    deprecated

    * Whether the video supports reverse playback.

    Declaration

    Objective-C

    - (BOOL)checkInvertAvailable;

    Return Value

    Whether reverse playback is supported.

  • Deprecated

    deprecated

    * Gets the maximum cache size for the video.

    Declaration

    Objective-C

    - (int)getMaxEstimatedCacheSize;

    Return Value

    The maximum cache size.

Thumbnail

  • * Gets the Thumbnails of the video. API_AVAILABLE(3.20.0)

    Declaration

    Objective-C

    - (void)loadThumbnailListWithDuration:(float)duration
                           imageWidth:(int)imageWidth
                             complete:(ThumbnailCallBack)complete;

    Parameters

    duration

    the duration of time to get image,unit: seconds
    imageWidth

    width of the output image
    complete

    complete，- see: ThumbnailCallBack

  • * Gets the Thumbnails of the video. API_AVAILABLE(3.20.0)

    Declaration

    Objective-C

    - (void)loadThumbnailWithTimeList:(NSArray<NSNumber *> *)timeList
                       imageWidth:(int)imageWidth
                         complete:(ThumbnailCallBack)complete;

    Parameters

    timeList

    contains time of vide, unit: seconds
    imageWidth

    width of the output image
    complete

    complete，- see: ThumbnailCallBack