rtp.js
Version:
RTP stack for Node.js and browser written in TypeScript
72 lines (71 loc) • 3.03 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const PliPacket_1 = require("../../../packets/RTCP/PliPacket");
const FeedbackPacket_1 = require("../../../packets/RTCP/FeedbackPacket");
const RtcpPacket_1 = require("../../../packets/RTCP/RtcpPacket");
const helpers_1 = require("../../../utils/helpers");
const pliPacketDump = {
byteLength: 12,
padding: 0,
packetType: RtcpPacket_1.RtcpPacketType.PSFB,
count: 1, // Used to indicate FMT, so 1 for PLI.
messageType: FeedbackPacket_1.PsFeedbackMessageType.PLI,
senderSsrc: 0x00003344,
mediaSsrc: 0x55667788,
};
const array = new Uint8Array([
0x81,
0xce,
0x00,
0x02, // FMT: 1 (PLI), Type: 206 (PSFB), Length: 2
0x00,
0x00,
0x33,
0x44, // Sender SSRC: 0x00003344
0x55,
0x66,
0x77,
0x88, // Media SSRC: 0x55667788
]);
const view = new DataView(array.buffer, array.byteOffset, array.byteLength);
describe('parse RTCP PLI packet', () => {
test('buffer view is RTCP', () => {
expect((0, RtcpPacket_1.isRtcp)(view)).toBe(true);
});
test('packet processing succeeds', () => {
const packet = new PliPacket_1.PliPacket(view);
expect(packet.needsSerialization()).toBe(false);
expect(packet.dump()).toEqual(pliPacketDump);
expect((0, helpers_1.areDataViewsEqual)(packet.getView(), view)).toBe(true);
packet.serialize();
expect(packet.needsSerialization()).toBe(false);
expect(packet.dump()).toEqual(pliPacketDump);
expect((0, helpers_1.areDataViewsEqual)(packet.getView(), view)).toBe(true);
const clonedPacket = packet.clone();
expect(clonedPacket.needsSerialization()).toBe(false);
expect(clonedPacket.dump()).toEqual(pliPacketDump);
expect((0, helpers_1.areDataViewsEqual)(clonedPacket.getView(), view)).toBe(true);
});
});
describe('create RTCP PLI packet', () => {
const packet = new PliPacket_1.PliPacket();
test('packet view is RTCP', () => {
expect((0, RtcpPacket_1.isRtcp)(packet.getView())).toBe(true);
});
test('packet processing succeeds', () => {
// No optional fields in this packet so serialization is never needed.
packet.setSenderSsrc(pliPacketDump.senderSsrc);
packet.setMediaSsrc(pliPacketDump.mediaSsrc);
expect(packet.needsSerialization()).toBe(false);
expect(packet.dump()).toEqual(pliPacketDump);
expect((0, helpers_1.areDataViewsEqual)(packet.getView(), view)).toBe(true);
packet.serialize();
expect(packet.needsSerialization()).toBe(false);
expect(packet.dump()).toEqual(pliPacketDump);
expect((0, helpers_1.areDataViewsEqual)(packet.getView(), view)).toBe(true);
const clonedPacket = packet.clone();
expect(clonedPacket.needsSerialization()).toBe(false);
expect(clonedPacket.dump()).toEqual(pliPacketDump);
expect((0, helpers_1.areDataViewsEqual)(clonedPacket.getView(), view)).toBe(true);
});
});