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onvif: fix missing ssrc for tcp

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This commit is contained in:
Koushik Dutta
2022-10-21 22:11:51 -07:00
parent 51e08d4ef2
commit ab0464a384
1 changed files with 8 additions and 1 deletions
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9
plugins/onvif/src/onvif-intercom.ts
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@@ -5,6 +5,7 @@ import { parseSdp } from "@scrypted/common/src/sdp-utils";
import { ffmpegLogInitialOutput, safePrintFFmpegArguments } from "@scrypted/common/src/media-helpers";
import child_process from 'child_process';
import { createBindZero } from "@scrypted/common/src/listen-cluster";
import crypto from 'crypto';
const { mediaManager } = sdk;
@@ -152,7 +153,13 @@ export class OnvifIntercom implements Intercom {
if (!match)
throw new Error('no supported codec was found for back channel');
const ssrcBuffer = Buffer.from(transportDict.ssrc, 'hex');
let ssrcBuffer: Buffer;
if (transportDict.ssrc) {
ssrcBuffer = Buffer.from(transportDict.ssrc, 'hex');
}
else {
ssrcBuffer = crypto.randomBytes(4);
}
// ffmpeg expects ssrc as signed int32.
const ssrc = ssrcBuffer.readInt32BE(0);