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Unverified Commit bef336da authored by Simon Chan's avatar Simon Chan
Browse files

feat(decoder): add `sizeChanged` event

parent 4fbd24fc

libraries/scrcpy-decoder-tinyh264/src/decoder.ts

+10 −0
Original line number Diff line number Diff line 
import { PromiseResolver } from "@yume-chan/async";

import { EventEmitter } from "@yume-chan/event";

import type { ScrcpyMediaStreamPacket } from "@yume-chan/scrcpy";

import {

    AndroidAvcLevel,
@@ -51,6 +52,11 @@ export class TinyH264Decoder implements ScrcpyVideoDecoder { 
        return this.#renderer;

    }



    #sizeChanged = new EventEmitter<{ width: number; height: number }>();

    get sizeChanged() {

        return this.#sizeChanged.event;

    }



    #frameRendered = 0;

    get frameRendered() {

        return this.#frameRendered;
@@ -112,6 +118,10 @@ export class TinyH264Decoder implements ScrcpyVideoDecoder { 
            cropLeft,

            cropTop,

        } = h264ParseConfiguration(data);

        this.#sizeChanged.fire({

            width: croppedWidth,

            height: croppedHeight,

        });



        // H.264 Baseline profile only supports YUV 420 pixel format

        const chromaWidth = encodedWidth / 2;

libraries/scrcpy-decoder-tinyh264/src/types.ts

+2 −1
Original line number Diff line number Diff line 
import type { Disposable } from "@yume-chan/event";

import type { Disposable, Event } from "@yume-chan/event";

import type {

    ScrcpyMediaStreamPacket,

    ScrcpyVideoCodecId,
@@ -12,6 +12,7 @@ export interface ScrcpyVideoDecoderCapability { 


export interface ScrcpyVideoDecoder extends Disposable {

    readonly renderer: HTMLElement;

    readonly sizeChanged: Event<{ width: number; height: number }>;

    readonly frameRendered: number;

    readonly frameSkipped: number;

    readonly writable: WritableStream<ScrcpyMediaStreamPacket>;

libraries/scrcpy-decoder-webcodecs/package.json

+1 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
        "prepublishOnly": "npm run build"

    },

    "dependencies": {

        "@yume-chan/event": "workspace:^0.0.22",

        "@yume-chan/scrcpy": "workspace:^0.0.22",

        "@yume-chan/scrcpy-decoder-tinyh264": "workspace:^0.0.22",

        "@yume-chan/stream-extra": "workspace:^0.0.22",

libraries/scrcpy-decoder-webcodecs/src/index.ts

+10 −0
Original line number Diff line number Diff line 
import { EventEmitter } from "@yume-chan/event";

import type {

    ScrcpyMediaStreamDataPacket,

    ScrcpyMediaStreamPacket,
@@ -62,6 +63,11 @@ export class WebCodecsDecoder implements ScrcpyVideoDecoder { 
        return this.#frameSkipped;

    }



    #sizeChanged = new EventEmitter<{ width: number; height: number }>();

    get sizeChanged() {

        return this.#sizeChanged.event;

    }



    #context: CanvasRenderingContext2D;

    #decoder: VideoDecoder;

    #config: Uint8Array | undefined;
@@ -132,6 +138,10 @@ export class WebCodecsDecoder implements ScrcpyVideoDecoder { 


                this.#renderer.width = croppedWidth;

                this.#renderer.height = croppedHeight;

                this.#sizeChanged.fire({

                    width: croppedWidth,

                    height: croppedHeight,

                });



                // https://www.rfc-editor.org/rfc/rfc6381#section-3.3

                // ISO Base Media File Format Name Space