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Reworked the filler picked algorithm. Is it better? I don't know. But it is certainly different.

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This commit is contained in:
vexorian 2021-09-12 22:26:16 -04:00
parent 5fd21137e5
commit 2fed574577
1 changed files with 36 additions and 23 deletions
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59
src/helperFuncs.js
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@ -29,7 +29,6 @@ function getCurrentProgramAndTimeElapsed(date, channel) {
if (channelStartTime > date) {
let t0 = date;
let t1 = channelStartTime;
console.log(t0, t1);
console.log("Channel start time is above the given date. Flex time is picked till that.");
return {
program: {
@ -185,10 +184,11 @@ function pickRandomWithMaxDuration(channel, fillers, maxDuration) {
list = list.concat(fillers[i].content);
}
let pick1 = null;
let pick2 = null;
let t0 = (new Date()).getTime();
let minimumWait = 1000000000;
const D = 7*24*60*60*1000;
const E = 5*60*60*1000;
if (typeof(channel.fillerRepeatCooldown) === 'undefined') {
channel.fillerRepeatCooldown = 30*60*1000;
}
@ -198,7 +198,7 @@ function pickRandomWithMaxDuration(channel, fillers, maxDuration) {
list = fillers[j].content;
let pickedList = false;
let n = 0;
let m = 0;
for (let i = 0; i < list.length; i++) {
let clip = list[i];
// a few extra milliseconds won't hurt anyone, would it? dun dun dun
@ -206,7 +206,6 @@ function pickRandomWithMaxDuration(channel, fillers, maxDuration) {
let t1 = channelCache.getProgramLastPlayTime( channel.number, clip );
let timeSince = ( (t1 == 0) ? D : (t0 - t1) );
if (timeSince < channel.fillerRepeatCooldown - SLACK) {
let w = channel.fillerRepeatCooldown - timeSince;
if (clip.duration + w <= maxDuration + SLACK) {
@ -223,6 +222,7 @@ function pickRandomWithMaxDuration(channel, fillers, maxDuration) {
if ( weighedPick(fillers[j].weight, listM) ) {
pickedList = true;
fillerId = fillers[j].id;
n = 0;
} else {
break;
}
@ -235,29 +235,23 @@ function pickRandomWithMaxDuration(channel, fillers, maxDuration) {
break;
}
}
if (timeSince >= D) {
let p = 200, q = Math.max( maxDuration - clip.duration, 1 );
let pq = Math.min( Math.ceil(p / q), 10 );
let w = pq;
n += w;
if ( weighedPick(w, n) ) {
pick1 = clip;
}
if (timeSince <= 0) {
continue;
}
let s = norm_s( (timeSince >= E) ? E : timeSince );
let d = norm_d( clip.duration);
let w = s + d;
n += w;
if (weighedPick(w,n)) {
console.log(`${s} ${d} ${clip.title} picked `);
pick1 = clip;
} else {
let adjust = Math.floor(timeSince / (60*1000));
if (adjust > 0) {
adjust = adjust * adjust;
//weighted
m += adjust;
if ( weighedPick(adjust, m) ) {
pick2 = clip;
}
}
console.log(`${s} ${d} ${clip.title} not picked `);
}
}
}
}
let pick = (pick1 == null) ? pick2: pick1;
let pick = pick1;
let pickTitle = "null";
if (pick != null) {
pickTitle = pick.title;
@ -272,6 +266,22 @@ function pickRandomWithMaxDuration(channel, fillers, maxDuration) {
}
}
function norm_d(x) {
x /= 60 * 1000;
if (x >= 3.0) {
x = 3.0 + Math.log(x);
}
let y = 10000 * ( Math.ceil(x * 1000) + 1 );
return Math.ceil(y / 1000000) + 1;
}
function norm_s(x) {
let y = Math.ceil(x / 600) + 1;
y = y*y;
return Math.ceil(y / 1000000) + 1;
}
// any channel thing used here should be added to channel context
function getWatermark( ffmpegSettings, channel, type) {
if (! ffmpegSettings.enableFFMPEGTranscoding || ffmpegSettings.disableChannelOverlay ) {
@ -319,7 +329,10 @@ function generateChannelContext(channel) {
let channelContext = {};
for (let i = 0; i < CHANNEL_CONTEXT_KEYS.length; i++) {
let key = CHANNEL_CONTEXT_KEYS[i];
channelContext[key] = JSON.parse( JSON.stringify(channel[key] ) );
if (typeof(channel[key]) !== 'undefined') {
channelContext[key] = JSON.parse( JSON.stringify(channel[key] ) );
}
}
return channelContext;
}