AliyunMixComposer

@interface AliyunMixComposer : NSObject

* VideoJoiner

  • Undocumented

    Declaration

    Objective-C

    @property(nonatomic, weak) id<AlivcMixComposerDelegate> delegate

  • * The video export resolution.

    Declaration

    Objective-C

    @property (nonatomic) CGSize outputSize;

  • * The video output path. Required.

    Declaration

    Objective-C

    @property (nonatomic, copy) NSString *outputPath;

  • * The bitrate in bit/s.

    Declaration

    Objective-C

    @property (nonatomic) NSInteger bitrate;

  • * The video quality.

    Declaration

    Objective-C

    @property (nonatomic) AliyunVideoQuality videoQuality;
  • fps

    * The average frame rate. Default value: 30.

    Declaration

    Objective-C

    @property (nonatomic) CGFloat fps;
  • gop

    * The GOP size. Default value: 5.

    Declaration

    Objective-C

    @property (nonatomic) NSInteger gop;

  • * Initializes a video track for the duet.

    Declaration

    Objective-C

    - (AliyunMixTrack *)createTrack:(CGRect)trackDisplayFrame;

    Parameters

    trackDisplayFrame

    The resolution of the video track. If the video export resolution is 960*960 and trackDisplayFrame is set to (0,0,480,960), it indicates that this video track is displayed on the left side of the screen.

    Return Value

    An AlivcMixTrack object.

  • * Specifies a video track whose duration is used as the duration of the duet.

    Declaration

    Objective-C

    - (void)setOutputDurationReferenceTrack:(AliyunMixTrack *)referenceTrack;

    Parameters

    referenceTrack

    The video track.

  • * Specifies a video track whose audio is used as the audio of the duet, mute if not set the track after v3.18.0.

    Declaration

    Objective-C

    - (void)setOutputAudioReferenceTrack:(AliyunMixTrack *)referenceTrack;

    Parameters

    referenceTrack

    The video track.

  • * Specifies backgroundColor of the result view. API_AVAILABLE(3.19.0)

    Declaration

    Objective-C

    - (void)setBackgroundColor:(int)backgroundColor;

    Parameters

    backgroundColor

    The result view backgroundColor.

  • * Specifies backgroundImageFilePath and displayMode of the result view. nil is clear, default is nil. API_AVAILABLE(3.19.0)

    Declaration

    Objective-C

    - (void)setBackgroundImageFilePath:(NSString *)backgroundImageFilePath
                  imageDisplayMode:
                      (AliyunMixVideoBackgroundImageMode)imageDisplayMode;

    Parameters

    backgroundImageFilePath

    The result view backgroundImageFilePath.
    imageDisplayMode

    The imageDisplayMode. - see: AliyunMixVideoBackgroundImageMode.

  • * Starts the composition process.

    Declaration

    Objective-C

    - (int)start;

    Return Value

    A return value.

  • * Pauses the composition process.

    Declaration

    Objective-C

    - (int)pause;

    Return Value

    A return value.

  • * Resumes the composition process.

    Declaration

    Objective-C

    - (int)resume;

    Return Value

    A return value.

  • * Cancels the composition process.

    Declaration

    Objective-C

    - (int)cancel;

    Return Value

    A return value.