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Added function to set a custom media stream after initialisation #122

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Added function to set a custom media stream after initialisation #122

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49 changes: 31 additions & 18 deletions src/index.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,10 @@
import { register, MediaRecorder as ExtendableMediaRecorder, IMediaRecorder } from "extendable-media-recorder";
import {
register,
MediaRecorder as ExtendableMediaRecorder,
IMediaRecorder,
} from "extendable-media-recorder";
import { ReactElement, useCallback, useEffect, useRef, useState } from "react";
import { connect } from 'extendable-media-recorder-wav-encoder';
import { connect } from "extendable-media-recorder-wav-encoder";

export type ReactMediaRecorderRenderProps = {
error: string;
Expand All @@ -16,6 +20,7 @@ export type ReactMediaRecorderRenderProps = {
previewStream: MediaStream | null;
previewAudioStream: MediaStream | null;
clearBlobUrl: () => void;
setCustomMediaStream: (customMediaStream: MediaStream | null) => void;
};

export type ReactMediaRecorderHookProps = {
Expand Down Expand Up @@ -73,12 +78,14 @@ export function useReactMediaRecorder({
stopStreamsOnStop = true,
askPermissionOnMount = false,
}: ReactMediaRecorderHookProps): ReactMediaRecorderRenderProps {
const mediaRecorder = useRef<IMediaRecorder | null >(null);
const mediaRecorder = useRef<IMediaRecorder | null>(null);
const mediaChunks = useRef<Blob[]>([]);
const mediaStream = useRef<MediaStream | null>(null);
const [status, setStatus] = useState<StatusMessages>("idle");
const [isAudioMuted, setIsAudioMuted] = useState<boolean>(false);
const [mediaBlobUrl, setMediaBlobUrl] = useState<string | undefined>(undefined);
const [mediaBlobUrl, setMediaBlobUrl] = useState<string | undefined>(
undefined
);
const [error, setError] = useState<keyof typeof RecorderErrors>("NONE");

useEffect(() => {
Expand Down Expand Up @@ -116,7 +123,7 @@ export function useReactMediaRecorder({
mediaStream.current = stream;
} else {
const stream = await window.navigator.mediaDevices.getUserMedia(
requiredMedia,
requiredMedia
);
mediaStream.current = stream;
}
Expand All @@ -134,7 +141,7 @@ export function useReactMediaRecorder({

if (screen) {
if (!window.navigator.mediaDevices.getDisplayMedia) {
throw new Error("This browser doesn\'t support screen capturing");
throw new Error("This browser doesn't support screen capturing");
}
}

Expand All @@ -143,14 +150,14 @@ export function useReactMediaRecorder({
navigator.mediaDevices.getSupportedConstraints();
const unSupportedConstraints = Object.keys(mediaType).filter(
(constraint) =>
!(supportedMediaConstraints as { [key: string]: any })[constraint],
!(supportedMediaConstraints as { [key: string]: any })[constraint]
);

if (unSupportedConstraints.length > 0) {
console.error(
`The constraints ${unSupportedConstraints.join(
",",
)} doesn't support on this browser. Please check your ReactMediaRecorder component.`,
","
)} doesn't support on this browser. Please check your ReactMediaRecorder component.`
);
}
};
Expand All @@ -165,7 +172,7 @@ export function useReactMediaRecorder({
if (mediaRecorderOptions && mediaRecorderOptions.mimeType) {
if (!MediaRecorder.isTypeSupported(mediaRecorderOptions.mimeType)) {
console.error(
`The specified MIME type you supplied for MediaRecorder doesn't support this browser`,
`The specified MIME type you supplied for MediaRecorder doesn't support this browser`
);
}
}
Expand Down Expand Up @@ -209,7 +216,8 @@ export function useReactMediaRecorder({
return;
}
mediaRecorder.current = new ExtendableMediaRecorder(
mediaStream.current, mediaRecorderOptions || undefined,
mediaStream.current,
mediaRecorderOptions || undefined
);
mediaRecorder.current.ondataavailable = onRecordingActive;
mediaRecorder.current.onstop = onRecordingStop;
Expand All @@ -235,7 +243,7 @@ export function useReactMediaRecorder({
const [chunk] = mediaChunks.current;
const blobProperty: BlobPropertyBag = Object.assign(
{ type: chunk.type },
blobPropertyBag || (video ? { type: "video/mp4" } : { type: "audio/wav" }),
blobPropertyBag || (video ? { type: "video/mp4" } : { type: "audio/wav" })
);
const blob = new Blob(mediaChunks.current, blobProperty);
const url = URL.createObjectURL(blob);
Expand Down Expand Up @@ -280,6 +288,10 @@ export function useReactMediaRecorder({
}
};

const setCustomMediaStream = (customMediaStream: MediaStream | null) => {
mediaStream.current = customMediaStream;
};

return {
error: RecorderErrors[error],
muteAudio: () => muteAudio(true),
Expand All @@ -291,19 +303,20 @@ export function useReactMediaRecorder({
mediaBlobUrl,
status,
isAudioMuted,
previewStream: mediaStream.current ?
new MediaStream(mediaStream.current.getVideoTracks()) :
null,
previewAudioStream: mediaStream.current ?
new MediaStream(mediaStream.current.getAudioTracks()) :
null,
previewStream: mediaStream.current
? new MediaStream(mediaStream.current.getVideoTracks())
: null,
previewAudioStream: mediaStream.current
? new MediaStream(mediaStream.current.getAudioTracks())
: null,
clearBlobUrl: () => {
if (mediaBlobUrl) {
URL.revokeObjectURL(mediaBlobUrl);
}
setMediaBlobUrl(undefined);
setStatus("idle");
},
setCustomMediaStream,
};
}

Expand Down