"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
    return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (g && (g = 0, op[0] && (_ = 0)), _) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
        if (ar || !(i in from)) {
            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
            ar[i] = from[i];
        }
    }
    return to.concat(ar || Array.prototype.slice.call(from));
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getEncoder = exports.getBestNvencDevice = exports.hasEncoder = void 0;
var os_1 = __importDefault(require("os"));
var fs_1 = __importDefault(require("fs"));
var path_1 = __importDefault(require("path"));
var getVaapiRenderDevice = function () {
    var defaultDevice = '/dev/dri/renderD128';
    try {
        var driDir_1 = '/dev/dri';
        if (!fs_1.default.existsSync(driDir_1)) {
            return defaultDevice;
        }
        var files = fs_1.default.readdirSync(driDir_1);
        var renderDevices = files
            .filter(function (f) { return f.startsWith('renderD'); })
            .sort()
            .map(function (f) { return path_1.default.join(driDir_1, f); });
        return renderDevices.length > 0 ? renderDevices[0] : defaultDevice;
    }
    catch (err) {
        return defaultDevice;
    }
};
var hasEncoder = function (_a) { return __awaiter(void 0, [_a], void 0, function (_b) {
    var spawn, isEnabled, commandArr_1, err_1;
    var ffmpegPath = _b.ffmpegPath, encoder = _b.encoder, inputArgs = _b.inputArgs, outputArgs = _b.outputArgs, filter = _b.filter, args = _b.args;
    return __generator(this, function (_c) {
        switch (_c.label) {
            case 0:
                spawn = require('child_process').spawn;
                isEnabled = false;
                _c.label = 1;
            case 1:
                _c.trys.push([1, 3, , 4]);
                commandArr_1 = __spreadArray(__spreadArray(__spreadArray(__spreadArray(__spreadArray(__spreadArray([], inputArgs, true), [
                    '-f',
                    'lavfi',
                    '-i',
                    'color=c=black:s=256x256:d=1:r=30'
                ], false), (filter ? filter.split(' ') : []), true), [
                    '-c:v',
                    encoder
                ], false), outputArgs, true), [
                    '-f',
                    'null',
                    '/dev/null',
                ], false);
                args.jobLog("Checking for encoder ".concat(encoder, " with command:"));
                args.jobLog("".concat(ffmpegPath, " ").concat(commandArr_1.join(' ')));
                return [4 /*yield*/, new Promise(function (resolve) {
                        var error = function () {
                            resolve(false);
                        };
                        var stderr = '';
                        try {
                            var thread = spawn(ffmpegPath, commandArr_1);
                            thread.on('error', function () {
                                // catches execution error (bad file)
                                error();
                            });
                            thread.stdout.on('data', function (data) {
                                // eslint-disable-next-line  @typescript-eslint/no-unused-vars
                                stderr += data;
                            });
                            thread.stderr.on('data', function (data) {
                                // eslint-disable-next-line  @typescript-eslint/no-unused-vars
                                stderr += data;
                            });
                            thread.on('close', function (code) {
                                if (code !== 0) {
                                    error();
                                }
                                else {
                                    resolve(true);
                                }
                            });
                        }
                        catch (err) {
                            // catches execution error (no file)
                            error();
                        }
                    })];
            case 2:
                isEnabled = _c.sent();
                args.jobLog("Encoder ".concat(encoder, " is ").concat(isEnabled ? 'enabled' : 'disabled'));
                return [3 /*break*/, 4];
            case 3:
                err_1 = _c.sent();
                // eslint-disable-next-line no-console
                console.log(err_1);
                return [3 /*break*/, 4];
            case 4: return [2 /*return*/, isEnabled];
        }
    });
}); };
exports.hasEncoder = hasEncoder;
// credit to UNCode101 for this
var getBestNvencDevice = function (_a) {
    var args = _a.args, nvencDevice = _a.nvencDevice;
    var execSync = require('child_process').execSync;
    var gpu_num = -1;
    var lowest_gpu_util = 100000;
    var result_util = 0;
    var gpu_count = -1;
    var gpu_names = '';
    var gpus_to_exclude = [];
    //  inputs.exclude_gpus === '' ? [] : inputs.exclude_gpus.split(',').map(Number);
    try {
        gpu_names = execSync('nvidia-smi --query-gpu=name --format=csv,noheader');
        gpu_names = gpu_names.toString().trim();
        var gpu_namesArr = gpu_names.split(/\r?\n/);
        /* When nvidia-smi returns an error it contains 'nvidia-smi' in the error
          Example: Linux: nvidia-smi: command not found
                   Windows: 'nvidia-smi' is not recognized as an internal or external command,
                       operable program or batch file. */
        if (!gpu_namesArr[0].includes('nvidia-smi')) {
            gpu_count = gpu_namesArr.length;
        }
    }
    catch (error) {
        args.jobLog('Error in reading nvidia-smi output! \n');
    }
    if (gpu_count > 0) {
        for (var gpui = 0; gpui < gpu_count; gpui += 1) {
            // Check if GPU # is in GPUs to exclude
            if (gpus_to_exclude.includes(String(gpui))) {
                args.jobLog("GPU ".concat(gpui, ": ").concat(gpu_names[gpui], " is in exclusion list, will not be used!\n"));
            }
            else {
                try {
                    var cmd_gpu = "nvidia-smi --query-gpu=utilization.gpu --format=csv,noheader,nounits -i ".concat(gpui);
                    result_util = parseInt(execSync(cmd_gpu), 10);
                    if (!Number.isNaN(result_util)) { // != "No devices were found") {
                        args.jobLog("GPU ".concat(gpui, " : Utilization ").concat(result_util, "%\n"));
                        if (result_util < lowest_gpu_util) {
                            gpu_num = gpui;
                            lowest_gpu_util = result_util;
                        }
                    }
                }
                catch (error) {
                    args.jobLog("Error in reading GPU ".concat(gpui, " Utilization\nError: ").concat(error, "\n"));
                }
            }
        }
    }
    if (gpu_num >= 0) {
        // eslint-disable-next-line no-param-reassign
        nvencDevice.inputArgs.push('-hwaccel_device', "".concat(gpu_num));
        // eslint-disable-next-line no-param-reassign
        nvencDevice.outputArgs.push('-gpu', "".concat(gpu_num));
    }
    return nvencDevice;
};
exports.getBestNvencDevice = getBestNvencDevice;
var encoderFilter = function (encoder, targetCodec) {
    if (targetCodec === 'hevc' && (encoder.includes('hevc') || encoder.includes('h265'))) {
        return true;
    }
    if (targetCodec === 'h264' && encoder.includes('h264')) {
        return true;
    }
    if (targetCodec === 'av1' && encoder.includes('av1')) {
        return true;
    }
    return false;
};
var getEncoder = function (_a) { return __awaiter(void 0, [_a], void 0, function (_b) {
    var supportedGpuEncoders, vaapiDevice, vaapiInputArgs, vaapiFilter, gpuEncoders, filteredGpuEncoders, idx, _i, filteredGpuEncoders_1, gpuEncoder, _c, enabledDevices, res;
    var targetCodec = _b.targetCodec, hardwareEncoding = _b.hardwareEncoding, hardwareType = _b.hardwareType, args = _b.args;
    return __generator(this, function (_d) {
        switch (_d.label) {
            case 0:
                supportedGpuEncoders = ['hevc', 'h264', 'av1'];
                if (!(args.workerType
                    && args.workerType.includes('gpu')
                    && hardwareEncoding && (supportedGpuEncoders.includes(targetCodec)))) return [3 /*break*/, 5];
                vaapiDevice = getVaapiRenderDevice();
                vaapiInputArgs = [
                    '-hwaccel',
                    'vaapi',
                    '-hwaccel_device',
                    vaapiDevice,
                    '-hwaccel_output_format',
                    'vaapi',
                ];
                vaapiFilter = '-vf format=nv12,hwupload';
                gpuEncoders = [
                    {
                        encoder: 'hevc_nvenc',
                        enabled: false,
                        inputArgs: [
                            '-hwaccel',
                            'cuda',
                        ],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'hevc_rkmpp',
                        enabled: false,
                        inputArgs: [
                            '-hwaccel',
                            'rkmpp',
                        ],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'hevc_amf',
                        enabled: false,
                        inputArgs: [],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'hevc_qsv',
                        enabled: false,
                        inputArgs: [
                            '-hwaccel',
                            'qsv',
                        ],
                        outputArgs: __spreadArray([], (os_1.default.platform() === 'win32' ? ['-load_plugin', 'hevc_hw'] : []), true),
                        filter: '',
                    },
                    {
                        encoder: 'hevc_vaapi',
                        inputArgs: vaapiInputArgs,
                        outputArgs: [],
                        enabled: false,
                        filter: vaapiFilter,
                    },
                    {
                        encoder: 'hevc_videotoolbox',
                        enabled: false,
                        inputArgs: [
                            '-hwaccel',
                            'videotoolbox',
                        ],
                        outputArgs: [],
                        filter: '',
                    },
                    // h264
                    {
                        encoder: 'h264_nvenc',
                        enabled: false,
                        inputArgs: [
                            '-hwaccel',
                            'cuda',
                        ],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'h264_amf',
                        enabled: false,
                        inputArgs: [],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'h264_qsv',
                        enabled: false,
                        inputArgs: [
                            '-hwaccel',
                            'qsv',
                        ],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'h264_rkmpp',
                        enabled: false,
                        inputArgs: [
                            '-hwaccel',
                            'rkmpp',
                        ],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'h264_videotoolbox',
                        enabled: false,
                        inputArgs: [
                            '-hwaccel',
                            'videotoolbox',
                        ],
                        outputArgs: [],
                        filter: '',
                    },
                    // av1
                    {
                        encoder: 'av1_nvenc',
                        enabled: false,
                        inputArgs: [],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'av1_amf',
                        enabled: false,
                        inputArgs: [],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'av1_qsv',
                        enabled: false,
                        inputArgs: [],
                        outputArgs: [],
                        filter: '',
                    },
                    {
                        encoder: 'av1_vaapi',
                        enabled: false,
                        inputArgs: vaapiInputArgs,
                        outputArgs: [],
                        filter: vaapiFilter,
                    },
                ];
                filteredGpuEncoders = gpuEncoders.filter(function (device) { return encoderFilter(device.encoder, targetCodec); });
                if (hardwareEncoding && hardwareType !== 'auto') {
                    idx = filteredGpuEncoders.findIndex(function (device) { return device.encoder.includes(hardwareType); });
                    if (idx === -1) {
                        throw new Error("Could not find encoder ".concat(targetCodec, " for hardware ").concat(hardwareType));
                    }
                    return [2 /*return*/, __assign(__assign({}, filteredGpuEncoders[idx]), { isGpu: true, enabledDevices: [] })];
                }
                args.jobLog(JSON.stringify({ filteredGpuEncoders: filteredGpuEncoders }));
                _i = 0, filteredGpuEncoders_1 = filteredGpuEncoders;
                _d.label = 1;
            case 1:
                if (!(_i < filteredGpuEncoders_1.length)) return [3 /*break*/, 4];
                gpuEncoder = filteredGpuEncoders_1[_i];
                // eslint-disable-next-line no-await-in-loop
                _c = gpuEncoder;
                return [4 /*yield*/, (0, exports.hasEncoder)({
                        ffmpegPath: args.ffmpegPath,
                        encoder: gpuEncoder.encoder,
                        inputArgs: gpuEncoder.inputArgs,
                        outputArgs: gpuEncoder.outputArgs,
                        filter: gpuEncoder.filter,
                        args: args,
                    })];
            case 2:
                // eslint-disable-next-line no-await-in-loop
                _c.enabled = _d.sent();
                _d.label = 3;
            case 3:
                _i++;
                return [3 /*break*/, 1];
            case 4:
                enabledDevices = filteredGpuEncoders.filter(function (device) { return device.enabled === true; });
                args.jobLog(JSON.stringify({ enabledDevices: enabledDevices }));
                if (enabledDevices.length > 0) {
                    if (enabledDevices[0].encoder.includes('nvenc')) {
                        res = (0, exports.getBestNvencDevice)({
                            args: args,
                            nvencDevice: enabledDevices[0],
                        });
                        return [2 /*return*/, __assign(__assign({}, res), { isGpu: true, enabledDevices: enabledDevices })];
                    }
                    return [2 /*return*/, {
                            encoder: enabledDevices[0].encoder,
                            inputArgs: enabledDevices[0].inputArgs,
                            outputArgs: enabledDevices[0].outputArgs,
                            isGpu: true,
                            enabledDevices: enabledDevices,
                        }];
                }
                return [3 /*break*/, 6];
            case 5:
                if (!hardwareEncoding) {
                    args.jobLog('Hardware encoding is disabled in plugin input options');
                }
                if (!args.workerType || !args.workerType.includes('gpu')) {
                    args.jobLog('Worker type is not GPU');
                }
                if (!supportedGpuEncoders.includes(targetCodec)) {
                    args.jobLog("Target codec ".concat(targetCodec, " is not supported for GPU encoding"));
                }
                _d.label = 6;
            case 6:
                if (targetCodec === 'hevc') {
                    return [2 /*return*/, {
                            encoder: 'libx265',
                            inputArgs: [],
                            outputArgs: [],
                            isGpu: false,
                            enabledDevices: [],
                        }];
                }
                if (targetCodec === 'h264') {
                    return [2 /*return*/, {
                            encoder: 'libx264',
                            inputArgs: [],
                            outputArgs: [],
                            isGpu: false,
                            enabledDevices: [],
                        }];
                }
                if (targetCodec === 'av1') {
                    return [2 /*return*/, {
                            encoder: 'libsvtav1',
                            inputArgs: [],
                            outputArgs: [],
                            isGpu: false,
                            enabledDevices: [],
                        }];
                }
                return [2 /*return*/, {
                        encoder: targetCodec,
                        inputArgs: [],
                        outputArgs: [],
                        isGpu: false,
                        enabledDevices: [],
                    }];
        }
    });
}); };
exports.getEncoder = getEncoder;
