import { VideoResolution } from '@peertube/peertube-models';
const minLimitBitPerPixel = {
    [VideoResolution.H_NOVIDEO]: 0,
    [VideoResolution.H_144P]: 0.02,
    [VideoResolution.H_240P]: 0.02,
    [VideoResolution.H_360P]: 0.02,
    [VideoResolution.H_480P]: 0.02,
    [VideoResolution.H_720P]: 0.02,
    [VideoResolution.H_1080P]: 0.02,
    [VideoResolution.H_1440P]: 0.02,
    [VideoResolution.H_4K]: 0.02
};
const averageBitPerPixel = {
    [VideoResolution.H_NOVIDEO]: 0,
    [VideoResolution.H_144P]: 0.19,
    [VideoResolution.H_240P]: 0.17,
    [VideoResolution.H_360P]: 0.15,
    [VideoResolution.H_480P]: 0.12,
    [VideoResolution.H_720P]: 0.11,
    [VideoResolution.H_1080P]: 0.10,
    [VideoResolution.H_1440P]: 0.09,
    [VideoResolution.H_4K]: 0.08
};
const maxBitPerPixel = {
    [VideoResolution.H_NOVIDEO]: 0,
    [VideoResolution.H_144P]: 0.32,
    [VideoResolution.H_240P]: 0.29,
    [VideoResolution.H_360P]: 0.26,
    [VideoResolution.H_480P]: 0.22,
    [VideoResolution.H_720P]: 0.19,
    [VideoResolution.H_1080P]: 0.17,
    [VideoResolution.H_1440P]: 0.16,
    [VideoResolution.H_4K]: 0.14
};
function getAverageTheoreticalBitrate(options) {
    const targetBitrate = calculateBitrate({ ...options, bitPerPixel: averageBitPerPixel });
    if (!targetBitrate)
        return 192 * 1000;
    return targetBitrate;
}
function getMaxTheoreticalBitrate(options) {
    const targetBitrate = calculateBitrate({ ...options, bitPerPixel: maxBitPerPixel });
    if (!targetBitrate)
        return 256 * 1000;
    return targetBitrate;
}
function getMinTheoreticalBitrate(options) {
    const minLimitBitrate = calculateBitrate({ ...options, bitPerPixel: minLimitBitPerPixel });
    if (!minLimitBitrate)
        return 10 * 1000;
    return minLimitBitrate;
}
export { getAverageTheoreticalBitrate, getMaxTheoreticalBitrate, getMinTheoreticalBitrate };
function calculateBitrate(options) {
    const { bitPerPixel, resolution, ratio, fps } = options;
    const resolutionsOrder = [
        VideoResolution.H_4K,
        VideoResolution.H_1440P,
        VideoResolution.H_1080P,
        VideoResolution.H_720P,
        VideoResolution.H_480P,
        VideoResolution.H_360P,
        VideoResolution.H_240P,
        VideoResolution.H_144P,
        VideoResolution.H_NOVIDEO
    ];
    const size1 = resolution;
    const size2 = ratio < 1 && ratio > 0
        ? resolution / ratio
        : resolution * ratio;
    for (const toTestResolution of resolutionsOrder) {
        if (toTestResolution <= resolution) {
            return Math.floor(size1 * size2 * fps * bitPerPixel[toTestResolution]);
        }
    }
    throw new Error('Unknown resolution ' + resolution);
}
//# sourceMappingURL=bitrate.js.map