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backend and frontend: support out of order chunks + now it's performant on chrome

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restitux
2025-08-12 02:20:46 -06:00
parent 7afd8db8d8
commit e80543144a
21 changed files with 876 additions and 253 deletions
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frontend/src/lib/proto/video-update.ts
+2 -1
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@@ -2,7 +2,8 @@
/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any, @typescript-eslint/no-non-null-assertion */
export { DecodeUnit } from './video-update/decode-unit.js';
export { DecodeUnitBuffer } from './video-update/decode-unit-buffer.js';
export { DecodeUnitStart } from './video-update/decode-unit-start.js';
export { FrameType } from './video-update/frame-type.js';
export { Setup } from './video-update/setup.js';
export { Update } from './video-update/update.js';
frontend/src/lib/proto/video-update/decode-unit-buffer.ts
+100
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@@ -0,0 +1,100 @@
// automatically generated by the FlatBuffers compiler, do not modify
/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any, @typescript-eslint/no-non-null-assertion */
import * as flatbuffers from 'flatbuffers';
export class DecodeUnitBuffer {
bb: flatbuffers.ByteBuffer|null = null;
bb_pos = 0;
__init(i:number, bb:flatbuffers.ByteBuffer):DecodeUnitBuffer {
this.bb_pos = i;
this.bb = bb;
return this;
}
static getRootAsDecodeUnitBuffer(bb:flatbuffers.ByteBuffer, obj?:DecodeUnitBuffer):DecodeUnitBuffer {
return (obj || new DecodeUnitBuffer()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
}
static getSizePrefixedRootAsDecodeUnitBuffer(bb:flatbuffers.ByteBuffer, obj?:DecodeUnitBuffer):DecodeUnitBuffer {
bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);
return (obj || new DecodeUnitBuffer()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
}
frameNumber():bigint {
const offset = this.bb!.__offset(this.bb_pos, 4);
return offset ? this.bb!.readUint64(this.bb_pos + offset) : BigInt('0');
}
bufferIndex():bigint {
const offset = this.bb!.__offset(this.bb_pos, 6);
return offset ? this.bb!.readUint64(this.bb_pos + offset) : BigInt('0');
}
bufferOffset():bigint {
const offset = this.bb!.__offset(this.bb_pos, 8);
return offset ? this.bb!.readUint64(this.bb_pos + offset) : BigInt('0');
}
data(index: number):number|null {
const offset = this.bb!.__offset(this.bb_pos, 10);
return offset ? this.bb!.readUint8(this.bb!.__vector(this.bb_pos + offset) + index) : 0;
}
dataLength():number {
const offset = this.bb!.__offset(this.bb_pos, 10);
return offset ? this.bb!.__vector_len(this.bb_pos + offset) : 0;
}
dataArray():Uint8Array|null {
const offset = this.bb!.__offset(this.bb_pos, 10);
return offset ? new Uint8Array(this.bb!.bytes().buffer, this.bb!.bytes().byteOffset + this.bb!.__vector(this.bb_pos + offset), this.bb!.__vector_len(this.bb_pos + offset)) : null;
}
static startDecodeUnitBuffer(builder:flatbuffers.Builder) {
builder.startObject(4);
}
static addFrameNumber(builder:flatbuffers.Builder, frameNumber:bigint) {
builder.addFieldInt64(0, frameNumber, BigInt('0'));
}
static addBufferIndex(builder:flatbuffers.Builder, bufferIndex:bigint) {
builder.addFieldInt64(1, bufferIndex, BigInt('0'));
}
static addBufferOffset(builder:flatbuffers.Builder, bufferOffset:bigint) {
builder.addFieldInt64(2, bufferOffset, BigInt('0'));
}
static addData(builder:flatbuffers.Builder, dataOffset:flatbuffers.Offset) {
builder.addFieldOffset(3, dataOffset, 0);
}
static createDataVector(builder:flatbuffers.Builder, data:number[]|Uint8Array):flatbuffers.Offset {
builder.startVector(1, data.length, 1);
for (let i = data.length - 1; i >= 0; i--) {
builder.addInt8(data[i]!);
}
return builder.endVector();
}
static startDataVector(builder:flatbuffers.Builder, numElems:number) {
builder.startVector(1, numElems, 1);
}
static endDecodeUnitBuffer(builder:flatbuffers.Builder):flatbuffers.Offset {
const offset = builder.endObject();
return offset;
}
static createDecodeUnitBuffer(builder:flatbuffers.Builder, frameNumber:bigint, bufferIndex:bigint, bufferOffset:bigint, dataOffset:flatbuffers.Offset):flatbuffers.Offset {
DecodeUnitBuffer.startDecodeUnitBuffer(builder);
DecodeUnitBuffer.addFrameNumber(builder, frameNumber);
DecodeUnitBuffer.addBufferIndex(builder, bufferIndex);
DecodeUnitBuffer.addBufferOffset(builder, bufferOffset);
DecodeUnitBuffer.addData(builder, dataOffset);
return DecodeUnitBuffer.endDecodeUnitBuffer(builder);
}
}
frontend/src/lib/proto/video-update/decode-unit-start.ts
+91
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@@ -0,0 +1,91 @@
// automatically generated by the FlatBuffers compiler, do not modify
/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any, @typescript-eslint/no-non-null-assertion */
import * as flatbuffers from 'flatbuffers';
import { FrameType } from '../video-update/frame-type.js';
export class DecodeUnitStart {
bb: flatbuffers.ByteBuffer|null = null;
bb_pos = 0;
__init(i:number, bb:flatbuffers.ByteBuffer):DecodeUnitStart {
this.bb_pos = i;
this.bb = bb;
return this;
}
static getRootAsDecodeUnitStart(bb:flatbuffers.ByteBuffer, obj?:DecodeUnitStart):DecodeUnitStart {
return (obj || new DecodeUnitStart()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
}
static getSizePrefixedRootAsDecodeUnitStart(bb:flatbuffers.ByteBuffer, obj?:DecodeUnitStart):DecodeUnitStart {
bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);
return (obj || new DecodeUnitStart()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
}
frameNumber():bigint {
const offset = this.bb!.__offset(this.bb_pos, 4);
return offset ? this.bb!.readUint64(this.bb_pos + offset) : BigInt('0');
}
frameType():FrameType {
const offset = this.bb!.__offset(this.bb_pos, 6);
return offset ? this.bb!.readInt8(this.bb_pos + offset) : FrameType.PFRAME;
}
numBuffers():bigint {
const offset = this.bb!.__offset(this.bb_pos, 8);
return offset ? this.bb!.readUint64(this.bb_pos + offset) : BigInt('0');
}
receiveTimeMs():number {
const offset = this.bb!.__offset(this.bb_pos, 10);
return offset ? this.bb!.readUint16(this.bb_pos + offset) : 0;
}
fullLength():bigint {
const offset = this.bb!.__offset(this.bb_pos, 12);
return offset ? this.bb!.readUint64(this.bb_pos + offset) : BigInt('0');
}
static startDecodeUnitStart(builder:flatbuffers.Builder) {
builder.startObject(5);
}
static addFrameNumber(builder:flatbuffers.Builder, frameNumber:bigint) {
builder.addFieldInt64(0, frameNumber, BigInt('0'));
}
static addFrameType(builder:flatbuffers.Builder, frameType:FrameType) {
builder.addFieldInt8(1, frameType, FrameType.PFRAME);
}
static addNumBuffers(builder:flatbuffers.Builder, numBuffers:bigint) {
builder.addFieldInt64(2, numBuffers, BigInt('0'));
}
static addReceiveTimeMs(builder:flatbuffers.Builder, receiveTimeMs:number) {
builder.addFieldInt16(3, receiveTimeMs, 0);
}
static addFullLength(builder:flatbuffers.Builder, fullLength:bigint) {
builder.addFieldInt64(4, fullLength, BigInt('0'));
}
static endDecodeUnitStart(builder:flatbuffers.Builder):flatbuffers.Offset {
const offset = builder.endObject();
return offset;
}
static createDecodeUnitStart(builder:flatbuffers.Builder, frameNumber:bigint, frameType:FrameType, numBuffers:bigint, receiveTimeMs:number, fullLength:bigint):flatbuffers.Offset {
DecodeUnitStart.startDecodeUnitStart(builder);
DecodeUnitStart.addFrameNumber(builder, frameNumber);
DecodeUnitStart.addFrameType(builder, frameType);
DecodeUnitStart.addNumBuffers(builder, numBuffers);
DecodeUnitStart.addReceiveTimeMs(builder, receiveTimeMs);
DecodeUnitStart.addFullLength(builder, fullLength);
return DecodeUnitStart.endDecodeUnitStart(builder);
}
}
frontend/src/lib/proto/video-update/update.ts
+12 -8
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@@ -2,37 +2,41 @@
/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any, @typescript-eslint/no-non-null-assertion */
import { DecodeUnit } from '../video-update/decode-unit.js';
import { DecodeUnitBuffer } from '../video-update/decode-unit-buffer.js';
import { DecodeUnitStart } from '../video-update/decode-unit-start.js';
import { Setup } from '../video-update/setup.js';
export enum Update {
NONE = 0,
Setup = 1,
DecodeUnit = 2
DecodeUnitStart = 2,
DecodeUnitBuffer = 3
}
export function unionToUpdate(
type: Update,
accessor: (obj:DecodeUnit|Setup) => DecodeUnit|Setup|null
): DecodeUnit|Setup|null {
accessor: (obj:DecodeUnitBuffer|DecodeUnitStart|Setup) => DecodeUnitBuffer|DecodeUnitStart|Setup|null
): DecodeUnitBuffer|DecodeUnitStart|Setup|null {
switch(Update[type]) {
case 'NONE': return null;
case 'Setup': return accessor(new Setup())! as Setup;
case 'DecodeUnit': return accessor(new DecodeUnit())! as DecodeUnit;
case 'DecodeUnitStart': return accessor(new DecodeUnitStart())! as DecodeUnitStart;
case 'DecodeUnitBuffer': return accessor(new DecodeUnitBuffer())! as DecodeUnitBuffer;
default: return null;
}
}
export function unionListToUpdate(
type: Update,
accessor: (index: number, obj:DecodeUnit|Setup) => DecodeUnit|Setup|null,
accessor: (index: number, obj:DecodeUnitBuffer|DecodeUnitStart|Setup) => DecodeUnitBuffer|DecodeUnitStart|Setup|null,
index: number
): DecodeUnit|Setup|null {
): DecodeUnitBuffer|DecodeUnitStart|Setup|null {
switch(Update[type]) {
case 'NONE': return null;
case 'Setup': return accessor(index, new Setup())! as Setup;
case 'DecodeUnit': return accessor(index, new DecodeUnit())! as DecodeUnit;
case 'DecodeUnitStart': return accessor(index, new DecodeUnitStart())! as DecodeUnitStart;
case 'DecodeUnitBuffer': return accessor(index, new DecodeUnitBuffer())! as DecodeUnitBuffer;
default: return null;
}
}