@yume-chan/scrcpy-decoder-webcodecs/esm/video/pool.js

Raw H.264 stream decoder and renderer using WebCodecs API (requires modern browser).

export class Pool {
    #controller;
    #readable = new ReadableStream({
        start: (controller) => {
            this.#controller = controller;
        },
        pull: (controller) => {
            controller.enqueue(this.#initializer());
        },
    }, { highWaterMark: 0 });
    #reader = this.#readable.getReader();
    #initializer;
    #size = 0;
    #capacity;
    constructor(initializer, capacity) {
        this.#initializer = initializer;
        this.#capacity = capacity;
    }
    async borrow() {
        const result = await this.#reader.read();
        return result.value;
    }
    return(value) {
        if (this.#size < this.#capacity) {
            this.#controller.enqueue(value);
            this.#size += 1;
        }
    }
}
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