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Feature: Stream video from video devices like webcams or catpure cards #66

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Feature: Stream video from video devices like webcams or catpure cards #66

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a766ed6
sharing stream from video devices
patrickhempel Jan 20, 2021
1c697ee
fix: missing semicolon
patrickhempel Jan 20, 2021
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11 changes: 11 additions & 0 deletions ui/src/Room.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ import {
} from '@material-ui/core';
import CancelPresentationIcon from '@material-ui/icons/CancelPresentation';
import PresentToAllIcon from '@material-ui/icons/PresentToAll';
import VideocamIcon from '@material-ui/icons/Videocam';
import FullScreenIcon from '@material-ui/icons/Fullscreen';
import PeopleIcon from '@material-ui/icons/People';
import ShowMoreIcon from '@material-ui/icons/MoreVert';
Expand Down Expand Up @@ -51,11 +52,13 @@ const flags = (user: RoomUser) => {
export const Room = ({
state,
share,
shareVideoDevice,
stopShare,
setName,
}: {
state: ConnectedRoom;
share: () => void;
shareVideoDevice: () => void;
stopShare: () => void;
setName: (name: string) => void;
}) => {
Expand Down Expand Up @@ -171,6 +174,14 @@ export const Room = ({
</Tooltip>
)}

{!state.hostStream ? (
<Tooltip title="Start Video" arrow>
<IconButton onClick={shareVideoDevice}>
<VideocamIcon fontSize="large" />
</IconButton>
</Tooltip>
) : null}

<Tooltip
classes={{tooltip: classes.noMaxWidth}}
title={
Expand Down
22 changes: 21 additions & 1 deletion ui/src/useRoom.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ export interface UseRoom {
state: RoomState;
room: FCreateRoom;
share: () => void;
shareVideoDevice: () => void;
setName: (name: string) => void;
stopShare: () => void;
}
Expand Down Expand Up @@ -304,6 +305,25 @@ export const useRoom = (): UseRoom => {
conn.current?.send(JSON.stringify({type: 'share', payload: {}}));
};

const shareVideoDevice = async () => {
if (!navigator.mediaDevices) {
enqueueSnackbar(
'Could not start presentation. (mediaDevices undefined) Are you using https?',
{
variant: 'error',
persist: true,
}
);
return;
}
stream.current = await navigator.mediaDevices
// @ts-ignore
.getUserMedia({video: true});
setState((current) => (current ? {...current, hostStream: stream.current} : current));

conn.current?.send(JSON.stringify({type: 'share', payload: {}}));
};

const stopShare = async () => {
Object.values(host.current).forEach((peer) => {
peer.close();
Expand All @@ -326,5 +346,5 @@ export const useRoom = (): UseRoom => {
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);

return {state, room, share, stopShare, setName};
return {state, room, share, shareVideoDevice, stopShare, setName};
};