Class Reader

constructor

• new Reader(): Reader

• Returns Reader

cues

drop_default_duration

logGroup

logging

metadataSize

metadatas

timestampScale

trackInfo

use_duration_every_simpleblock

use_segment_info

use_webp

duration

• get duration(): number

• DefaultDuration が定義されている場合は最後のフレームのdurationも考慮する 単位 timestampScale

  !!! if you need duration with seconds !!!

  const nanosec = reader.duration * reader.timestampScale;
  const sec = nanosec / 1000 / 1000 / 1000;
  Copy

  Returns number

addListener

• addListener(event, listener): this

• Parameters

  • event: "segment_offset"

  • listener: ((ev) => void)

    • • (ev): void

      • Parameters

        • ev: number

        Returns void

  Returns this

  Deprecated

  emit on every segment https://www.matroska.org/technical/specs/notes.html#Position_References

• addListener(event, listener): this

• Parameters

  • event: "cluster_ptr"

  • listener: ((ev) => void)

    • • (ev): void

      • Parameters

        • ev: number

        Returns void

  Returns this

  Deprecated

  emit on every cluster element start. Offset byte from file start. It is not an offset from the Segment element.

• addListener(event, listener): this

• Parameters

  • event: "cue_info"

  • listener: ((ev) => void)

    • • (ev): void

      • Parameters

        • ev: CueInfo

        Returns void

  Returns this

  Deprecated

  emit on every cue point for cluster to create seekable webm file from MediaRecorder

• addListener(event, listener): this

• emit on every cue point for cluster to create seekable webm file from MediaRecorder

  Parameters

  • event: "cue"

  • listener: ((ev) => void)

    • • (ev): void

      • Parameters

        • ev: CueInfo

        Returns void

  Returns this
• addListener(event, listener): this

• latest EBML > Info > TimestampScale and EBML > Info > Duration to create seekable webm file from MediaRecorder

  Parameters

  • event: "duration"

  • listener: ((ev) => void)

    • • (ev): void

      • Parameters

        • ev: DurationInfo

        Returns void

  Returns this
• addListener(event, listener): this

• EBML header without Cluster Element for recording metadata chunk

  Parameters

  • event: "metadata"

  • listener: ((ev) => void)

    • • (ev): void

      • Parameters

        • ev: SegmentInfo & {
              metadataSize: number;
          }

        Returns void

  Returns this
• addListener(event, listener): this

• emit every Cluster Element and its children for recording chunk

  Parameters

  • event: "cluster"

  • listener: ((ev) => void)

    • • (ev): void

      • Parameters

        • ev: SegmentInfo & {
              timestamp: number;
          }

        Returns void

  Returns this
• addListener(event, listener): this

• for thumbnail

  Parameters

  • event: "webp"

  • listener: ((ev) => void)

    • • (ev): void

      • Parameters

        • ev: ThumbnailInfo

        Returns void

  Returns this

put

• put(elm): void

• Parameters

  • elm: EBMLElementDetail

  Returns void

read

• read(elm): void

• Parameters

  • elm: EBMLElementDetail

  Returns void

stop

• stop(): void

• emit final state.

  Returns void