/**
 * Minified by jsDelivr using Terser v5.39.0.
 * Original file: /npm/avconv@3.1.0/avconv.js
 *
 * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
 */
var spawn=require("child_process").spawn,util=require("util"),AvStream=require("./lib/avstream");function toMilliSeconds(t){var e=t.split(/[:.]/),r=0;return 4===e.length?(r+=3600*parseInt(e[0],10)*1e3,r+=60*parseInt(e[1],10)*1e3,r+=1e3*parseInt(e[2],10),r+=10*parseInt(e[3],10)):(r+=1e3*parseInt(e[0],10),r+=parseInt(e[1],10)),r}function findDuration(t){var e,r=/duration: (\d+:\d+:\d+.\d+)/i.exec(t);return r&&r[1]&&(e=toMilliSeconds(r[1])),e}function findTime(t){var e;if("frame"===t.substring(0,5)){var r=/time=(\d+.\d+)/i.exec(t);r&&r[1]&&(e=toMilliSeconds(r[1]))}return e}var VIDEO_META={CODEC:0,FORMAT:1,RESOLUTION:2,BITRATE:3,FPS:4},AUDIO_META={CODEC:0,SAMPLERATE:1,SPATIALIZATION:2,SAMPLEFORMAT:3,BITRATE:4};function parseMetaData(t){var e,r,i,n,a,o={input:{},output:{}};function s(t){return parseInt(t,10)}return t.split("\n").forEach((function(t){var u;if(/^Input/i.test(t)?i="input":/^Output/i.test(t)?i="output":/^Stream mapping/i.test(t)&&(i=null),i)if(n=o[i],/^\s*Duration/.test(t))t.split(",").map((function(t){return t.split(/:\s/)})).forEach((function(t){n[t[0].toLowerCase().trim()]=t[1]})),n.duration&&(n.duration=toMilliSeconds(n.duration)),n.bitrate&&(n.bitrate=s(n.bitrate)),n.start&&(n.start=parseFloat(n.start));else if(/^\s*Stream #/.test(t)){if(!(a=t.match(/#(\d+)\.(\d+)/)))return;if(e=a.slice(1).map(s),n.stream||(n.stream=[]),r=(r=n.stream[e[0]]||(n.stream[e[0]]=[]))[e[1]]||(r[e[1]]={}),!(a=t.match(/video|audio/i)))return;r.type=a[0].toLowerCase(),a=t.replace(/.*?(Video|Audio):/i,"").split(", ").map((function(t){return t.replace(/[\[\(][^\]\)]*[\]\)]?/,"").trim().replace(/ [\w\/]+$/,"").trim()})),"video"==r.type?(r.codec=a[VIDEO_META.CODEC],r.format=a[VIDEO_META.FORMAT],r.resolution=a[VIDEO_META.RESOLUTION].split("x").map(s),r.bitrate=s(a[VIDEO_META.BITRATE+("output"==i?1:0)]),"input"==i&&(r.fps=parseFloat(a[VIDEO_META.FPS]))):"audio"==r.type&&(r.codec=a[AUDIO_META.CODEC],r.samplerate=s(a[AUDIO_META.SAMPLERATE]),r.channels="mono"==(u=a[AUDIO_META.SPATIALIZATION])?1:"stereo"==u?2:-1!=u.indexOf(".")?u.split(".").map(s).reduce((function(t,e){return t+e})):u,r.sampleformat=a[AUDIO_META.SAMPLEFORMAT],r.bitrate=s(a[AUDIO_META.BITRATE]))}})),o}module.exports=function(t,e){var r=new AvStream,i=spawn(e=e||"avconv",t);if(i.stderr){i.stderr.setEncoding("utf8");var n,a,o,s="";i.stderr.on("data",(function(t){a=null,s+=t,n?a=findTime(t):n=findDuration(s),n&&a&&((o=a/n)>1&&(o=1),r.emit("progress",o)),r.emit("message",t)}))}i.stdout&&i.stdout.on("data",(function(t){r.push(t)})),i.stdin&&(r.on("pipe",(function(t){t.unpipe(r),t.pipe(i.stdin)})),r.on("inputData",(function(t){i.stdin.write(t)}))),i.on("error",(function(t){r.emit("error",t)}));var u=i.stdio?"close":"exit";return i.on(u,(function(t,e){r.end(),r.emit("exit",t,e,parseMetaData(s))})),r.kill=function(){i.kill()},r};
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