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    Google Cloud Video Transcoder V1beta1 Client - Class VideoStream (0.5.3)

    Reference documentation and code samples for the Google Cloud Video Transcoder V1beta1 Client class VideoStream.

    Video stream resource.

    Generated from protobuf message google.cloud.video.transcoder.v1beta1.VideoStream

    Methods

    __construct

    Constructor.

    Parameters
    Name
    Description
    data
    array

    Optional. Data for populating the Message object.

    ↳ codec
    string

    Codec type. The following codecs are supported: * h264 (default) * h265 * vp9

    ↳ profile
    string

    Enforces the specified codec profile. The following profiles are supported: * baseline * main * high (default) The available options are FFmpeg-compatible . Note that certain values for this field may cause the transcoder to override other fields you set in the VideoStream message.

    ↳ tune
    string

    Enforces the specified codec tune. The available options are FFmpeg-compatible . Note that certain values for this field may cause the transcoder to override other fields you set in the VideoStream message.

    ↳ preset
    string

    Enforces the specified codec preset. The default is veryfast . The available options are FFmpeg-compatible . Note that certain values for this field may cause the transcoder to override other fields you set in the VideoStream message.

    ↳ height_pixels
    int

    The height of the video in pixels. Must be an even integer. When not specified, the height is adjusted to match the specified width and input aspect ratio. If both are omitted, the input height is used.

    ↳ width_pixels
    int

    The width of the video in pixels. Must be an even integer. When not specified, the width is adjusted to match the specified height and input aspect ratio. If both are omitted, the input width is used.

    ↳ pixel_format
    string

    Pixel format to use. The default is "yuv420p" . Supported pixel formats: - 'yuv420p' pixel format. - 'yuv422p' pixel format. - 'yuv444p' pixel format. - 'yuv420p10' 10-bit HDR pixel format. - 'yuv422p10' 10-bit HDR pixel format. - 'yuv444p10' 10-bit HDR pixel format. - 'yuv420p12' 12-bit HDR pixel format. - 'yuv422p12' 12-bit HDR pixel format. - 'yuv444p12' 12-bit HDR pixel format.

    ↳ bitrate_bps
    int

    Required. The video bitrate in bits per second. The minimum value is 1,000. The maximum value for H264/H265 is 800,000,000. The maximum value for VP9 is 480,000,000.

    ↳ rate_control_mode
    string

    Specify the rate_control_mode . The default is "vbr" . Supported rate control modes: - 'vbr' - variable bitrate - 'crf' - constant rate factor

    ↳ enable_two_pass
    bool

    Use two-pass encoding strategy to achieve better video quality. VideoStream.rate_control_mode must be "vbr" . The default is false .

    ↳ crf_level
    int

    Target CRF level. Must be between 10 and 36, where 10 is the highest quality and 36 is the most efficient compression. The default is 21.

    ↳ vbv_size_bits
    int

    Size of the Video Buffering Verifier (VBV) buffer in bits. Must be greater than zero. The default is equal to VideoStream.bitrate_bps .

    ↳ vbv_fullness_bits
    int

    Initial fullness of the Video Buffering Verifier (VBV) buffer in bits. Must be greater than zero. The default is equal to 90% of VideoStream.vbv_size_bits .

    ↳ allow_open_gop
    bool

    Specifies whether an open Group of Pictures (GOP) structure should be allowed or not. The default is false .

    ↳ gop_frame_count
    int

    Select the GOP size based on the specified frame count. Must be greater than zero.

    ↳ gop_duration
    Google\Protobuf\Duration

    Select the GOP size based on the specified duration. The default is "3s" . Note that gopDuration must be less than or equal to segmentDuration , and segmentDuration must be divisible by gopDuration .

    ↳ entropy_coder
    string

    The entropy coder to use. The default is "cabac" . Supported entropy coders: - 'cavlc' - 'cabac'

    ↳ b_pyramid
    bool

    Allow B-pyramid for reference frame selection. This may not be supported on all decoders. The default is false .

    ↳ b_frame_count
    int

    The number of consecutive B-frames. Must be greater than or equal to zero. Must be less than VideoStream.gop_frame_count if set. The default is 0.

    ↳ frame_rate
    float

    Required. The target video frame rate in frames per second (FPS). Must be less than or equal to 120. Will default to the input frame rate if larger than the input frame rate. The API will generate an output FPS that is divisible by the input FPS, and smaller or equal to the target FPS. See Calculate frame rate for more information.

    ↳ aq_strength
    float

    Specify the intensity of the adaptive quantizer (AQ). Must be between 0 and 1, where 0 disables the quantizer and 1 maximizes the quantizer. A higher value equals a lower bitrate but smoother image. The default is 0.

    getCodec

    Codec type. The following codecs are supported:

    • h264 (default)
    • h265
    • vp9
    Returns
    Type
    Description
    string

    setCodec

    Codec type. The following codecs are supported:

    • h264 (default)
    • h265
    • vp9
    Parameter
    Name
    Description
    var
    string
    Returns
    Type
    Description
    $this

    getProfile

    Enforces the specified codec profile. The following profiles are supported:

    • baseline
    • main
    • high (default) The available options are FFmpeg-compatible . Note that certain values for this field may cause the transcoder to override other fields you set in the VideoStream message.
    Returns
    Type
    Description
    string

    setProfile

    Enforces the specified codec profile. The following profiles are supported:

    • baseline
    • main
    • high (default) The available options are FFmpeg-compatible . Note that certain values for this field may cause the transcoder to override other fields you set in the VideoStream message.
    Parameter
    Name
    Description
    var
    string
    Returns
    Type
    Description
    $this

    getTune

    Enforces the specified codec tune. The available options are FFmpeg-compatible . Note that certain values for this field may cause the transcoder to override other fields you set in the VideoStream message.

    Returns
    Type
    Description
    string

    setTune

    Enforces the specified codec tune. The available options are FFmpeg-compatible . Note that certain values for this field may cause the transcoder to override other fields you set in the VideoStream message.

    Parameter
    Name
    Description
    var
    string
    Returns
    Type
    Description
    $this

    getPreset

    Enforces the specified codec preset. The default is veryfast . The available options are FFmpeg-compatible . Note that certain values for this field may cause the transcoder to override other fields you set in the VideoStream message.

    Returns
    Type
    Description
    string

    setPreset

    Enforces the specified codec preset. The default is veryfast . The available options are FFmpeg-compatible . Note that certain values for this field may cause the transcoder to override other fields you set in the VideoStream message.

    Parameter
    Name
    Description
    var
    string
    Returns
    Type
    Description
    $this

    getHeightPixels

    The height of the video in pixels. Must be an even integer.

    When not specified, the height is adjusted to match the specified width and input aspect ratio. If both are omitted, the input height is used.

    Returns
    Type
    Description
    int

    setHeightPixels

    The height of the video in pixels. Must be an even integer.

    When not specified, the height is adjusted to match the specified width and input aspect ratio. If both are omitted, the input height is used.

    Parameter
    Name
    Description
    var
    int
    Returns
    Type
    Description
    $this

    getWidthPixels

    The width of the video in pixels. Must be an even integer.

    When not specified, the width is adjusted to match the specified height and input aspect ratio. If both are omitted, the input width is used.

    Returns
    Type
    Description
    int

    setWidthPixels

    The width of the video in pixels. Must be an even integer.

    When not specified, the width is adjusted to match the specified height and input aspect ratio. If both are omitted, the input width is used.

    Parameter
    Name
    Description
    var
    int
    Returns
    Type
    Description
    $this

    getPixelFormat

    Pixel format to use. The default is "yuv420p" .

    Supported pixel formats:

    • 'yuv420p' pixel format.
    • 'yuv422p' pixel format.
    • 'yuv444p' pixel format.
    • 'yuv420p10' 10-bit HDR pixel format.
    • 'yuv422p10' 10-bit HDR pixel format.
    • 'yuv444p10' 10-bit HDR pixel format.
    • 'yuv420p12' 12-bit HDR pixel format.
    • 'yuv422p12' 12-bit HDR pixel format.
    • 'yuv444p12' 12-bit HDR pixel format.
    Returns
    Type
    Description
    string

    setPixelFormat

    Pixel format to use. The default is "yuv420p" .

    Supported pixel formats:

    • 'yuv420p' pixel format.
    • 'yuv422p' pixel format.
    • 'yuv444p' pixel format.
    • 'yuv420p10' 10-bit HDR pixel format.
    • 'yuv422p10' 10-bit HDR pixel format.
    • 'yuv444p10' 10-bit HDR pixel format.
    • 'yuv420p12' 12-bit HDR pixel format.
    • 'yuv422p12' 12-bit HDR pixel format.
    • 'yuv444p12' 12-bit HDR pixel format.
    Parameter
    Name
    Description
    var
    string
    Returns
    Type
    Description
    $this

    getBitrateBps

    Required. The video bitrate in bits per second. The minimum value is 1,000.

    The maximum value for H264/H265 is 800,000,000. The maximum value for VP9 is 480,000,000.

    Returns
    Type
    Description
    int

    setBitrateBps

    Required. The video bitrate in bits per second. The minimum value is 1,000.

    The maximum value for H264/H265 is 800,000,000. The maximum value for VP9 is 480,000,000.

    Parameter
    Name
    Description
    var
    int
    Returns
    Type
    Description
    $this

    getRateControlMode

    Specify the rate_control_mode . The default is "vbr" .

    Supported rate control modes:

    • 'vbr' - variable bitrate
    • 'crf' - constant rate factor
    Returns
    Type
    Description
    string

    setRateControlMode

    Specify the rate_control_mode . The default is "vbr" .

    Supported rate control modes:

    • 'vbr' - variable bitrate
    • 'crf' - constant rate factor
    Parameter
    Name
    Description
    var
    string
    Returns
    Type
    Description
    $this

    getEnableTwoPass

    Use two-pass encoding strategy to achieve better video quality.

    VideoStream.rate_control_mode must be "vbr" . The default is false .

    Returns
    Type
    Description
    bool

    setEnableTwoPass

    Use two-pass encoding strategy to achieve better video quality.

    VideoStream.rate_control_mode must be "vbr" . The default is false .

    Parameter
    Name
    Description
    var
    bool
    Returns
    Type
    Description
    $this

    getCrfLevel

    Target CRF level. Must be between 10 and 36, where 10 is the highest quality and 36 is the most efficient compression. The default is 21.

    Returns
    Type
    Description
    int

    setCrfLevel

    Target CRF level. Must be between 10 and 36, where 10 is the highest quality and 36 is the most efficient compression. The default is 21.

    Parameter
    Name
    Description
    var
    int
    Returns
    Type
    Description
    $this

    getVbvSizeBits

    Size of the Video Buffering Verifier (VBV) buffer in bits. Must be greater than zero. The default is equal to VideoStream.bitrate_bps .

    Returns
    Type
    Description
    int

    setVbvSizeBits

    Size of the Video Buffering Verifier (VBV) buffer in bits. Must be greater than zero. The default is equal to VideoStream.bitrate_bps .

    Parameter
    Name
    Description
    var
    int
    Returns
    Type
    Description
    $this

    getVbvFullnessBits

    Initial fullness of the Video Buffering Verifier (VBV) buffer in bits. Must be greater than zero. The default is equal to 90% of VideoStream.vbv_size_bits .

    Returns
    Type
    Description
    int

    setVbvFullnessBits

    Initial fullness of the Video Buffering Verifier (VBV) buffer in bits. Must be greater than zero. The default is equal to 90% of VideoStream.vbv_size_bits .

    Parameter
    Name
    Description
    var
    int
    Returns
    Type
    Description
    $this

    getAllowOpenGop

    Specifies whether an open Group of Pictures (GOP) structure should be allowed or not. The default is false .

    Returns
    Type
    Description
    bool

    setAllowOpenGop

    Specifies whether an open Group of Pictures (GOP) structure should be allowed or not. The default is false .

    Parameter
    Name
    Description
    var
    bool
    Returns
    Type
    Description
    $this

    getGopFrameCount

    Select the GOP size based on the specified frame count. Must be greater than zero.

    Returns
    Type
    Description
    int

    hasGopFrameCount

    setGopFrameCount

    Select the GOP size based on the specified frame count. Must be greater than zero.

    Parameter
    Name
    Description
    var
    int
    Returns
    Type
    Description
    $this

    getGopDuration

    Select the GOP size based on the specified duration. The default is "3s" . Note that gopDuration must be less than or equal to segmentDuration , and segmentDuration must be divisible by gopDuration .

    Returns
    Type
    Description
    Google\Protobuf\Duration |null

    hasGopDuration

    setGopDuration

    Select the GOP size based on the specified duration. The default is "3s" . Note that gopDuration must be less than or equal to segmentDuration , and segmentDuration must be divisible by gopDuration .

    Parameter
    Name
    Description
    var
    Google\Protobuf\Duration
    Returns
    Type
    Description
    $this

    getEntropyCoder

    The entropy coder to use. The default is "cabac" .

    Supported entropy coders:

    • 'cavlc'
    • 'cabac'
    Returns
    Type
    Description
    string

    setEntropyCoder

    The entropy coder to use. The default is "cabac" .

    Supported entropy coders:

    • 'cavlc'
    • 'cabac'
    Parameter
    Name
    Description
    var
    string
    Returns
    Type
    Description
    $this

    getBPyramid

    Allow B-pyramid for reference frame selection. This may not be supported on all decoders. The default is false .

    Returns
    Type
    Description
    bool

    setBPyramid

    Allow B-pyramid for reference frame selection. This may not be supported on all decoders. The default is false .

    Parameter
    Name
    Description
    var
    bool
    Returns
    Type
    Description
    $this

    getBFrameCount

    The number of consecutive B-frames. Must be greater than or equal to zero.

    Must be less than VideoStream.gop_frame_count if set. The default is 0.

    Returns
    Type
    Description
    int

    setBFrameCount

    The number of consecutive B-frames. Must be greater than or equal to zero.

    Must be less than VideoStream.gop_frame_count if set. The default is 0.

    Parameter
    Name
    Description
    var
    int
    Returns
    Type
    Description
    $this

    getFrameRate

    Required. The target video frame rate in frames per second (FPS). Must be less than or equal to 120. Will default to the input frame rate if larger than the input frame rate. The API will generate an output FPS that is divisible by the input FPS, and smaller or equal to the target FPS. See Calculate frame rate for more information.

    Returns
    Type
    Description
    float

    setFrameRate

    Required. The target video frame rate in frames per second (FPS). Must be less than or equal to 120. Will default to the input frame rate if larger than the input frame rate. The API will generate an output FPS that is divisible by the input FPS, and smaller or equal to the target FPS. See Calculate frame rate for more information.

    Parameter
    Name
    Description
    var
    float
    Returns
    Type
    Description
    $this

    getAqStrength

    Specify the intensity of the adaptive quantizer (AQ). Must be between 0 and 1, where 0 disables the quantizer and 1 maximizes the quantizer. A higher value equals a lower bitrate but smoother image. The default is 0.

    Returns
    Type
    Description
    float

    setAqStrength

    Specify the intensity of the adaptive quantizer (AQ). Must be between 0 and 1, where 0 disables the quantizer and 1 maximizes the quantizer. A higher value equals a lower bitrate but smoother image. The default is 0.

    Parameter
    Name
    Description
    var
    float
    Returns
    Type
    Description
    $this

    getGopMode

    Returns
    Type
    Description
    string
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