104 lines
1.8 KiB
TypeScript
104 lines
1.8 KiB
TypeScript
'use strict';
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import { exists } from 'fs-extra';
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import { exec } from 'exec';
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//const spawn = require('spawn');
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//const exit = require('exit');
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let system = {};
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async function info (video : string) {
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let cmd = `ffprobe -v quiet -print_format json -show_format -show_streams "${video}"`
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let fileExists;
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let raw;
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let json;
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let vid;
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try {
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fileExists = await exists(video);
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} catch (err) {
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return exit(err, 5);
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}
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if (!fileExists) {
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//return exit(`File ${video} does not exist`, 6);
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console.error(new Error(`File ${video} does not exist`));
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return false
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}
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try {
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console.log(cmd);
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raw = await exec(cmd);
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} catch (err) {
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//return exit(err, 7);
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console.error(err);
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return false
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}
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try {
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json = JSON.parse(raw.stdout);
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} catch (err) {
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return raw.stdout;
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}
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if (json && json.streams) {
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vid = json.streams.find((stream : any) => {
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if (stream.width && stream.height) return stream;
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});
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}
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if (vid) {
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json.width = vid.width;
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json.height = vid.height;
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}
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return json;
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}
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async function frames (video : string) {
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let cmd = `ffprobe -v error -count_frames -select_streams v:0 -show_entries stream=nb_read_frames -of default=nokey=1:noprint_wrappers=1 "${video}"`;
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let fileExists;
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let raw;
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let frames;
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try {
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fileExists = await exists(video);
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} catch (err) {
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//return exit(err, 5);
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console.error(err);
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return false
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}
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if (!fileExists) {
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//return exit(`File ${video} does not exist`, 6);
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console.error(new Error(`File ${video} does not exist`));
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return false;
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}
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try {
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console.log(cmd);
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raw = await exec(cmd);
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} catch (err) {
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console.error(err);
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return false;
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}
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try {
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frames = parseInt(raw.stdout)
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} catch (err) {
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return raw.stdout;
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}
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return frames;
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}
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function map (obj : any) {
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console.dir(obj);
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}
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module.exports = (sys : any) => {
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system = sys;
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return {
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info,
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frames
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}
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}
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