115 lines
2.6 KiB
TypeScript
115 lines
2.6 KiB
TypeScript
import { type Ref, computed, ref } from 'vue';
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export { useMediaRecorder };
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function useMediaRecorder({ stream }: { stream: Ref<MediaStream | undefined> }): {
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isRecordingSupported: Ref<boolean>
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recordingState: Ref<'stopped' | 'recording' | 'paused'>
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startRecording: () => void
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stopRecording: () => void
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pauseRecording: () => void
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resumeRecording: () => void
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onRecordAvailable: (cb: (url: string) => void) => void
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} {
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const isRecordingSupported = computed(() => MediaRecorder.isTypeSupported('video/webm'));
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const mediaRecorder = ref<MediaRecorder | null>(null);
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const recordedChunks = ref<Blob[]>([]);
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const recordAvailable = createEventHook();
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const recordingState = ref<'stopped' | 'recording' | 'paused'>('stopped');
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const createVideo = () => {
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const blob = new Blob(recordedChunks.value, { type: 'video/webm' });
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const url = URL.createObjectURL(blob);
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recordedChunks.value = [];
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return url;
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};
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const startRecording = () => {
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if (!isRecordingSupported.value) {
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return;
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}
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if (!stream.value) {
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return;
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}
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if (recordingState.value !== 'stopped') {
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return;
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}
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mediaRecorder.value = new MediaRecorder(stream.value, { mimeType: 'video/webm' });
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mediaRecorder.value.ondataavailable = (e) => {
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if (e.data.size > 0) {
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recordedChunks.value.push(e.data);
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}
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};
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mediaRecorder.value.onstop = () => {
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recordAvailable.trigger(createVideo());
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};
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if (mediaRecorder.value.state !== 'inactive') {
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return;
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}
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mediaRecorder.value.start();
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recordingState.value = 'recording';
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};
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const stopRecording = () => {
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if (!isRecordingSupported.value) {
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return;
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}
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if (!mediaRecorder.value) {
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return;
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}
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if (recordingState.value === 'stopped') {
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return;
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}
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mediaRecorder.value.stop();
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recordingState.value = 'stopped';
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};
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const pauseRecording = () => {
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if (!isRecordingSupported.value) {
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return;
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}
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if (!mediaRecorder.value) {
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return;
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}
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if (recordingState.value !== 'recording') {
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return;
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}
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mediaRecorder.value.pause();
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recordingState.value = 'paused';
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};
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const resumeRecording = () => {
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if (!isRecordingSupported.value) {
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return;
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}
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if (!mediaRecorder.value) {
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return;
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}
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if (recordingState.value !== 'paused') {
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return;
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}
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mediaRecorder.value.resume();
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recordingState.value = 'recording';
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};
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return {
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isRecordingSupported,
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startRecording,
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stopRecording,
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pauseRecording,
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resumeRecording,
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recordingState,
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onRecordAvailable: recordAvailable.on,
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};
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}
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