AgoraLiveTranscoding Class Reference
Inherits from | NSObject |
---|---|
Declared in | AgoraObjects.h |
size
The size of the video (width and height in pixels).
@property (assign, nonatomic) CGSize size
Discussion
When pushing video streams to the CDN, note the following:
- The value range of the width is [64,1920]. If the value is less than 64, Agora server automatically adjusts it to 64; if the value is greater than 1920, Agora server automatically adjusts it to 1920.
- The value range of the height is [64,1080]. If the value is less than 64, Agora server automatically adjusts it to 64; if the value is greater than 1080, Agora server automatically adjusts it to 1080.
When pushing audio streams to the CDN, set the width and height as 0.
Declared In
AgoraObjects.h
videoBitrate
Bitrate of the CDN live output video stream.
@property (assign, nonatomic) NSInteger videoBitrate
Discussion
The default value is 400 Kbps.
Set this parameter according to the Video Bitrate Table. If you set a bitrate beyond the proper range, the SDK automatically adapts it to a value within the range.
Declared In
AgoraObjects.h
videoFramerate
Frame rate of the CDN live output video stream.
@property (assign, nonatomic) NSInteger videoFramerate
Discussion
The default value is 15 fps, and the value range is (0,30].
Note: The Agora server adjusts any value over 30 to 30.
Declared In
AgoraObjects.h
lowLatency
Latency mode. DEPRECATED from v2.8.0
@property (assign, nonatomic) BOOL lowLatency
Discussion
- YES: Low latency with unassured quality.
- NO:(Default)High latency with assured quality.
Declared In
AgoraObjects.h
videoGop
Video GOP in frames. The default value is 30 fps.
@property (assign, nonatomic) NSInteger videoGop
Declared In
AgoraObjects.h
videoCodecProfile
Video codec profile type
@property (assign, nonatomic) AgoraVideoCodecProfileType videoCodecProfile
Discussion
Set it as 66, 77, or 100 (default), see AgoraVideoCodecProfileType.
If you set this parameter to other values, Agora adjusts it to the default value of 100.
Declared In
AgoraObjects.h
videoCodecType
The video codec type of the output video stream. See AgoraVideoCodecTypeForStream.
@property (assign, nonatomic) AgoraVideoCodecTypeForStream videoCodecType
Availability
v3.2.0
Declared In
AgoraObjects.h
transcodingUsers
An AgoraLiveTranscodingUser object managing the user layout configuration in the CDN live stream. Agora supports a maximum of 17 transcoding users in a CDN live stream channel. See AgoraLiveTranscodingUser.
@property (copy, nonatomic) NSArray<AgoraLiveTranscodingUser*> *transcodingUsers
Declared In
AgoraObjects.h
transcodingExtraInfo
Reserved property. Extra user-defined information to send SEI for the H.264/H.265 video stream to the CDN live client. Maximum length: 4096 bytes. For more information on SEI, see SEI-related questions.
@property (copy, nonatomic) NSString *transcodingExtraInfo
Declared In
AgoraObjects.h
watermark
The watermark on the live video. The format must be in the PNG format. See AgoraImage. You can add a watermark or use an array to add multiple watermarks. This parameter is used in conjunction with watermarkArray
.
@property (strong, nonatomic) AgoraImage *watermark
Declared In
AgoraObjects.h
watermarkArray
The number of watermarks on the live video. The value range is [0,100]. This parameter is used in conjunction with watermark
.
@property (copy, nonatomic) NSArray<AgoraImage*> *watermarkArray
Availability
v3.6.0
Declared In
AgoraObjects.h
backgroundImage
The background image on the live video. The format must be in the PNG format. See AgoraImage. You can add a background image or use an array to add multiple background images. This parameter is used in conjunction with backgroundImageArray
.
@property (strong, nonatomic) AgoraImage *backgroundImage
Declared In
AgoraObjects.h
backgroundImageArray
The number of background images on the live video. The value range is [0,100]. This parameter is used in conjunction with backgroundImage
.
@property (copy, nonatomic) NSArray<AgoraImage*> *backgroundImageArray
Availability
v3.6.0
Declared In
AgoraObjects.h
backgroundColor
The background color in RGB hex.
@property (strong, nonatomic) COLOR_CLASS *backgroundColor
Discussion
Value only. Do not include a preceding #. For example, 0xFFB6C1 (light pink). The default value is 0x000000 (black).
COLOR_CLASS is a general name for the type:
- iOS: UIColor
- macOS: NSColor
Declared In
AgoraObjects.h
audioSampleRate
Self-defined audio sample rate: AgoraAudioSampleRateType.
@property (assign, nonatomic) AgoraAudioSampleRateType audioSampleRate
Declared In
AgoraObjects.h
audioBitrate
Bitrate (Kbps) of the CDN live audio output stream. The default value is 48, and the highest value is 128.
@property (assign, nonatomic) NSInteger audioBitrate
Declared In
AgoraObjects.h
audioChannels
The number of audio channels for the CDN live stream.
@property (assign, nonatomic) NSInteger audioChannels
Discussion
Agora recommends choosing 1 (mono), or 2 (stereo) audio channels. Special players are required if you choose 3, 4, or 5.
- 1: (Default) Mono
- 2: Stereo
- 3: Three audio channels
- 4: Four audio channels
- 5: Five audio channels
Declared In
AgoraObjects.h
audioCodecProfile
Audio codec profile. See AgoraAudioCodecProfileType.
@property (assign, nonatomic) AgoraAudioCodecProfileType audioCodecProfile
Discussion
The default value is AgoraAudioCodecProfileLCAAC(0).
Declared In
AgoraObjects.h
+ defaultTranscoding
Creates a default transcoding object.
+ (AgoraLiveTranscoding *_Nonnull)defaultTranscoding
Return Value
Default AgoraLiveTranscoding object.
Declared In
AgoraObjects.h
– addUser:
Adds a user displaying the video in CDN live.
- (int)addUser:(AgoraLiveTranscodingUser *_Nonnull)user
Parameters
user |
The transcoding user. See AgoraLiveTranscodingUser. |
---|
Return Value
- 0: Success.
- < 0: Failure.
Declared In
AgoraObjects.h
– removeUser:
Removes a user from CDN live.
- (int)removeUser:(NSUInteger)uid
Parameters
uid |
The user ID of the user to remove from CDN live. |
---|
Return Value
- 0: Success.
- < 0: Failure.
Declared In
AgoraObjects.h