Membrane. Transcoder. Video. VariableBitrate
(Membrane Transcoder plugin v0.4.1)
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Defines encoder setting for variable bitrate rate control algorithm.
The following fields need to be specified:
- average_bitrate - Target average bitrate for VBR encoding; the encoder will try to meet this average over the sequence; expressed in bits per second.
- max_bitrate - Maximum allowed bitrate in VBR encoding; caps peak bitrate to prevent excessive spikes while maintaining average bitrate constraints; expressed in bits per second.
- virtual_buffer_size - virtual buffer duration for rate control smoothing; larger values
increase bitrate stability, smaller values improve responsiveness to scene changes;
expressed as
Membrane.Time.t(), defaults to 2 seconds.
Summary
Types
@type t() :: %Membrane.Transcoder.Video.VariableBitrate{ average_bitrate: non_neg_integer(), max_bitrate: non_neg_integer(), virtual_buffer_size: Membrane.Time.t() }