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External module "core/midi_io"

A module for converting between MIDI files and our NoteSequence protobuf representation.

license

Copyright 2018 Google Inc. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

Functions

blobToNoteSequence

  • blobToNoteSequence(blob: Blob): Promise<NoteSequence>
  • Converts a Blob containing MIDI to a NoteSequence.

    Parameters

    • blob: Blob

      The Blob containing MIDI

    Returns Promise<NoteSequence>

    a new NoteSequence

midiToSequenceProto

  • midiToSequenceProto(midi: string): NoteSequence

sequenceProtoToMidi

  • sequenceProtoToMidi(ns: INoteSequence): Uint8Array
  • Convert a NoteSequence to a MIDI file encoded as a byte array.

    If quantized, the NoteSequence is first unquantized.

    Parameters

    • ns: INoteSequence

      The NoteSequence to convert to MIDI.

    Returns Uint8Array

    a new non-quantized NoteSequence wih time in seconds.

urlToBlob

  • urlToBlob(url: string): Promise<Blob>
  • Fetches a MIDI file from a url and returns a Blob with its contents.

    Parameters

    • url: string

      The url for the MIDI file.

    Returns Promise<Blob>

    a Blob containing the MIDI.

urlToNoteSequence

  • urlToNoteSequence(url: string): Promise<NoteSequence>
  • Fetches a MIDI file from a url and converts it to a NoteSequence.

    Parameters

    • url: string

      The URL for the MIDI file.

    Returns Promise<NoteSequence>

    a new NoteSequence

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