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V2TXLivePlayer

Last updated: 2022-10-20 15:57:07
    Overview
    Tencent Cloud’s live stream player The player pulls audio/video data from the specified live streaming URL and plays the data after decoding and local rendering.
    Features
    The player has the following capabilities:
    Playing over protocols including RTMP, HTTP-FLV, TRTC, and WebRTC.
    Taking screenshots of streamed video.
    Delay adjustment. You can set the minimum and maximum cache time for auto adjustment by the player.
    Custom video processing. You can process live video based on your project requirements before rendering and playback.

    Basic SDK APIs

    setObserver

    This API is used to set the callbacks of the player. After setting, you can listen for callback events of V2TXLivePlayer, including player status, playback volume, first audio/video frame, statistics, and warning and error messages.
    public abstract void setObserver(V2TXLivePlayerObserver observer);

    Parameters

    Parameter
    Type
    Description
    observer
    V2TXLivePlayerObserver
    Target object for the player’s callbacks. For details, see V2TXLivePlayerObserver.

    Basic Playback APIs

    setRenderView

    This API is used to set the rendering view to display video.
    public abstract int setRenderView(TXCloudVideoView view);

    Parameters

    Parameter
    Type
    Description
    view
    TXCloudVideoView
    The player’s rendering view

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    setRenderView

    This API is used to set the rendering view to display video.
    public abstract int setRenderView(SurfaceView view);

    Parameters

    Parameter
    Type
    Description
    view
    SurfaceView
    The player’s rendering view

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    setRenderView

    This API is used to set the rendering view to display video.
    public abstract int setRenderView(TextureView view);

    Parameters

    Parameter
    Type
    Description
    view
    TextureView
    The player’s rendering view

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    startLivePlay

    This API is used to start playing audio/video streams.
    public abstract int startLivePlay(String url);
    Note:
    Since v10.7, startPlay has been replaced by startLivePlay, and you need to call V2TXLivePremier#setLicence or TXLiveBase#setLicence to set the license to use the live playback feature (you only need to set the license once). Otherwise, playback will fail (black screen). You can use a live stream publishing license, UGSV license, or video playback license to activate the live playback feature. If you don’t have any of the licenses, you can buy one or apply for a trial license for free.

    Parameters

    Parameter
    Type
    Description
    url
    String
    Playback URL of audio/video streams, which supports RTMP, HTTP-FLV, TRTC, and WebRTC

    Response

    V2TXLiveCode:
    V2TXLIVE_OK: successful
    V2TXLIVE_ERROR_INVALID_PARAMETER: operation failed because the URL is invalid.
    V2TXLIVE_ERROR_REFUSED: RTC does not support using the same stream ID for publishing and playback on the same device.

    stopPlay

    This API is used to stop playing audio/video streams.
    public abstract int stopPlay();

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    isPlaying

    This API is used to get whether the player is playing streams.
    public abstract int isPlaying();

    Response

    Whether streams are being played
    1: yes
    0: no

    Video APIs

    setRenderRotation

    This API is used to set the rotation of images displayed by the player.
    public abstract int setRenderRotation(V2TXLiveRotation rotation);

    Parameters

    Parameter
    Type
    Description
    rotation
    The degrees by which the image is rotated. Default value: V2TXLiveRotation0.

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    V2TXLiveRotation enumerated values

    Value
    Description
    V2TXLiveRotation0
    No rotation
    V2TXLiveRotation90
    Rotate 90 degrees clockwise
    V2TXLiveRotation180
    Rotate 180 degrees clockwise
    V2TXLiveRotation270
    Rotate 270 degrees clockwise

    setRenderFillMode

    This API is used to set the image fill mode.
    public abstract int setRenderFillMode(V2TXLiveFillMode mode);

    Parameters

    Parameter
    Type
    Description
    mode
    The image fill mode. Default value: V2TXLiveFillModeFit.

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    V2TXLiveFillMode enumerated values

    Value
    Description
    V2TXLiveFillModeFit
    The image fits the screen without cropping. If the aspect ratio of the image and the screen do not match, there will be black bars.
    V2TXLiveFillModeFill
    The image fills the entire screen, without black bars. If the aspect ratio of the image and screen do not match, the parts of the image that don’t fit will be cropped.

    pauseVideo

    This API is used to pause playing video streams.
    public abstract int pauseVideo();

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    resumeVideo

    This API is used to resume playing video streams.
    public abstract int resumeVideo();

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    snapshot

    This API is used to take a screenshot of streamed video.
    Note:
    After V2TXLIVE_OK is returned, you can get the screenshot taken in the V2TXLivePlayerObserver.onSnapshotComplete callback.
    public abstract int snapshot();

    Response

    V2TXLiveCode:
    V2TXLIVE_OK: successful
    V2TXLIVE_ERROR_REFUSED: failed to take a screenshot because playback has stopped.

    enableObserveVideoFrame

    This API is used to set custom video rendering. You can use this API to obtain each frame of decoded video for custom rendering.
    Note:
    After custom rendering is enabled, you can get video frames in the V2TXLivePlayerObserver.onRenderVideoFrame callback.
    public abstract int enableObserveVideoFrame(
            boolean enable,
            V2TXLivePixelFormat pixelFormat, 
            V2TXLiveBufferType bufferType);

    Parameters

    Parameter
    Type
    Description
    enable
    Boolean
    Whether to enable custom rendering. Default value: false.
    pixelFormat
    Pixel format of the video called back for custom rendering
    bufferType
    Buffer type of the video called back for custom rendering

    Response

    V2TXLiveCode:
    V2TXLIVE_OK: successful
    V2TXLIVE_ERROR_NOT_SUPPORTED: unsupported pixel format or data format.

    V2TXLivePixelFormat enumerated values

    Value
    Description
    V2TXLivePixelFormatUnknown
    Unknown
    V2TXLivePixelFormatI420
    YUV420P (I420)
    V2TXLivePixelFormatTexture2D
    OpenGL 2D texture

    V2TXLiveBufferType enumerated values

    Value
    Description
    V2TXLiveBufferTypeUnknown
    Unknown
    V2TXLiveBufferTypeByteBuffer
    Direct buffers. This type is for I420 and other buffers and is used at the native layer.
    V2TXLiveBufferTypeByteArray
    Byte arrays. This type is for I420 and other buffers and is used at the Java layer.
    V2TXLiveBufferTypeTexture
    Texture ID, which allows direct operation. It delivers the best performance and has the smallest impact on video quality.

    Audio APIs

    pauseAudio

    This API is used to pause playing audio streams.
    public abstract int pauseAudio();

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    resumeAudio

    This API is used to resume playing audio streams.
    public abstract int resumeAudio();

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    setPlayoutVolume

    This API is used to set volume.
    public abstract int setPlayoutVolume(int volume);

    Parameters

    Parameter
    Type
    Description
    volume
    int
    Volume. Value range: 0-100. Default value: 100.

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    enableVolumeEvaluation

    This API is used to enable the volume reminder for playback.
    Note:
    After enabling the volume reminder, you can get the SDK’s volume evaluation through the V2TXLivePlayerObserver.onPlayoutVolumeUpdate callback.
    public abstract int enableVolumeEvaluation(int intervalMs);

    Parameters

    Parameter
    Type
    Description
    intervalMs
    int
    Interval (ms) for triggering the onPlayoutVolumeUpdate callback. The minimum interval allowed is 100 ms. If the value is 0 (default) or smaller, the callback is disabled. 300 is recommended.

    Response

    V2TXLiveCode: V2TXLIVE_OK: successful

    Other APIs

    setCacheParams

    This API is used to set the minimum and maximum cache time (seconds) for auto adjustment by the player.
    public abstract int setCacheParams(float minTime, float maxTime);

    Parameters

    Parameter
    Type
    Description
    minTime
    float
    The minimum cache time for auto adjustment by the player. The value must be greater than 0. Default value: 1
    maxTime
    float
    The maximum cache time for auto adjustment by the player. The value must be greater than 0. Default value: 5

    Response

    V2TXLiveCode:
    V2TXLIVE_OK: successful
    V2TXLIVE_ERROR_INVALID_PARAMETER: operation failed. minTime and maxTime must be greater than 0.
    V2TXLIVE_ERROR_REFUSED: you cannot change the cache policy while streams are being played.

    showDebugView

    This API is used to set whether to show the debug view for the player status information.
    public abstract void showDebugView(boolean isShow);

    Parameters

    Parameter
    Type
    Description
    isShow
    boolean
    Whether to show the debug view. Default value: NO.
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