WebIDLpedia

Definition

WebCodecs defines VideoEncoderConfig

dictionary VideoEncoderConfig {
  required DOMString codec;
  [EnforceRange] required unsigned long width;
  [EnforceRange] required unsigned long height;
  [EnforceRange] unsigned long displayWidth;
  [EnforceRange] unsigned long displayHeight;
  [EnforceRange] unsigned long long bitrate;
  double framerate;
  HardwareAcceleration hardwareAcceleration = "no-preference";
  AlphaOption alpha = "discard";
  DOMString scalabilityMode;
  VideoEncoderBitrateMode bitrateMode = "variable";
  LatencyMode latencyMode = "quality";
  DOMString contentHint;
};

This dictionary is extended in the following specifications:

• AV1 WebCodecs Registration

  partial dictionary VideoEncoderConfig {
    AV1EncoderConfig av1;
  };

• AVC (H.264) WebCodecs Registration

  partial dictionary VideoEncoderConfig {
    AvcEncoderConfig avc;
  };

• HEVC (H.265) WebCodecs Registration

  partial dictionary VideoEncoderConfig {
    HevcEncoderConfig hevc;
  };

dictionary VideoEncoderConfig {
  required DOMString codec;
  [EnforceRange] required unsigned long width;
  [EnforceRange] required unsigned long height;
  [EnforceRange] unsigned long displayWidth;
  [EnforceRange] unsigned long displayHeight;
  [EnforceRange] unsigned long long bitrate;
  double framerate;
  HardwareAcceleration hardwareAcceleration = "no-preference";
  AlphaOption alpha = "discard";
  DOMString scalabilityMode;
  VideoEncoderBitrateMode bitrateMode = "variable";
  LatencyMode latencyMode = "quality";
  DOMString contentHint;
  AV1EncoderConfig av1;
  AvcEncoderConfig avc;
  HevcEncoderConfig hevc;
};

Referring IDL interfaces/dictionaries

• VideoEncoder
• VideoEncoderSupport

Referring specifications

• AV1 WebCodecs Registration refers to VideoEncoderConfig
• AVC (H.264) WebCodecs Registration refers to VideoEncoderConfig
• HEVC (H.265) WebCodecs Registration refers to VideoEncoderConfig