casparcg-state
Version:
Node.js Javascript/Typescript library for keeping and resolving a given state of CasparCG into commands for casparcg-connection.
166 lines • 8.51 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.resolveBackgroundState = exports.diffBackground = void 0;
const api_1 = require("../api");
const util_1 = require("../util");
const casparcg_connection_1 = require("casparcg-connection");
function diffBackground(oldState, newState, channel, layer) {
const oldLayer = (0, util_1.getLayer)(oldState, channel, layer);
const newLayer = (0, util_1.getLayer)(newState, channel, layer);
let bgDiff = (0, util_1.compareAttrs)(newLayer.nextUp, oldLayer.nextUp, ['content']);
let noClear = false;
if (!bgDiff && newLayer.nextUp) {
if (newLayer.nextUp.content === api_1.LayerContentType.MEDIA ||
newLayer.nextUp.content === api_1.LayerContentType.INPUT ||
newLayer.nextUp.content === api_1.LayerContentType.HTMLPAGE ||
newLayer.nextUp.content === api_1.LayerContentType.ROUTE) {
const nl = newLayer.nextUp;
const ol = oldLayer.nextUp;
(0, util_1.setDefaultValue)([nl, ol], ['auto'], false);
bgDiff = (0, util_1.compareAttrs)(nl, ol, ['auto', 'channelLayout']);
}
if (!bgDiff && newLayer.nextUp.content === api_1.LayerContentType.MEDIA) {
const nl = newLayer.nextUp;
const ol = oldLayer.nextUp;
(0, util_1.setDefaultValue)([nl, ol], ['seek', 'length', 'inPoint'], 0);
bgDiff = (0, util_1.compareAttrs)(nl, ol, ['media', 'seek', 'length', 'inPoint', 'afilter', 'vfilter']);
}
if (!bgDiff && newLayer.nextUp.content === api_1.LayerContentType.ROUTE) {
const nl = newLayer.nextUp;
const ol = oldLayer.nextUp;
bgDiff = (0, util_1.compareAttrs)(nl, ol, ['delay', 'mode', 'afilter', 'vfilter']);
}
if (!bgDiff && newLayer.nextUp.content === api_1.LayerContentType.INPUT) {
const nl = newLayer.nextUp;
const ol = oldLayer.nextUp;
bgDiff = (0, util_1.compareAttrs)(nl, ol, ['afilter', 'vfilter']);
}
if (!bgDiff &&
newLayer.nextUp &&
oldLayer.nextUp &&
(typeof newLayer.nextUp.media !== 'string' || typeof oldLayer.nextUp.media !== 'string')) {
const nMedia = newLayer.nextUp.media;
const oMedia = oldLayer.nextUp.media;
bgDiff = (0, util_1.compareAttrs)(nMedia, oMedia, ['inTransition', 'outTransition', 'changeTransition']);
}
if (!bgDiff && newLayer.nextUp && 'route' in newLayer.nextUp && oldLayer.nextUp && 'route' in oldLayer.nextUp) {
const nRoute = newLayer.nextUp.route;
const oRoute = oldLayer.nextUp.route;
bgDiff = (0, util_1.compareAttrs)(nRoute, oRoute, ['channel', 'layer']);
if (bgDiff)
noClear = true;
}
}
return { bgDiff, noClear };
}
exports.diffBackground = diffBackground;
function resolveBackgroundState(oldState, newState, channel, layer, forceDiff = false) {
const oldChannel = (0, util_1.getChannel)(oldState, channel);
const newChannel = (0, util_1.getChannel)(newState, channel);
const oldLayer = (0, util_1.getLayer)(oldState, channel, layer);
const newLayer = (0, util_1.getLayer)(newState, channel, layer);
const diffCmds = {
cmds: [],
};
const diff = diffBackground(oldState, newState, channel, layer);
let bgDiff = diff.bgDiff;
const noClear = diff.noClear;
if (forceDiff)
bgDiff = 'Forced diff by foreground';
if (bgDiff) {
const options = {
channel: newChannel.channelNo,
layer: newLayer.layerNo,
};
if (newLayer.nextUp) {
// make sure the layer is empty before trying to load something new
// this prevents weird behaviour when files don't load correctly
if (oldLayer.nextUp && !oldLayer.nextUp.clearOn404 && !noClear) {
(0, util_1.addCommands)(diffCmds, (0, util_1.addContext)((0, util_1.literal)({
command: casparcg_connection_1.Commands.Loadbg,
params: {
channel: newChannel.channelNo,
layer: newLayer.layerNo,
clip: 'EMPTY',
},
}), `Old nextUp was set, clear it first (${oldLayer.nextUp.media})`, newLayer));
}
(0, util_1.setTransition)(options, newChannel, newLayer, newLayer.nextUp.media, false, true);
if (newLayer.nextUp.content === api_1.LayerContentType.MEDIA) {
const layer = newLayer.nextUp;
const { inPointFrames, lengthFrames, seekFrames, looping, channelLayout } = (0, util_1.calculatePlayAttributes)(0, layer, newChannel, oldChannel);
(0, util_1.addCommands)(diffCmds, (0, util_1.addContext)((0, util_1.literal)({
command: casparcg_connection_1.Commands.Loadbg,
params: (0, util_1.fixPlayCommandInput)({
...options,
auto: layer.auto,
clip: (newLayer.nextUp.media || '').toString(),
in: inPointFrames,
seek: seekFrames,
length: lengthFrames || undefined,
loop: !!looping,
channelLayout: channelLayout,
clearOn404: layer.clearOn404,
aFilter: layer.afilter,
vFilter: layer.vfilter,
}),
}), `Nextup media (${newLayer.nextUp.media})`, newLayer));
}
else if (newLayer.nextUp.content === api_1.LayerContentType.HTMLPAGE) {
// const layer = newLayer.nextUp as HtmlPageLayer & NextUp
(0, util_1.addCommands)(diffCmds, (0, util_1.addContext)((0, util_1.literal)({
command: casparcg_connection_1.Commands.LoadbgHtml,
params: {
...options,
url: (newLayer.nextUp.media || '').toString(),
},
}), `Nextup HTML (${newLayer.nextUp.media})`, newLayer));
}
else if (newLayer.nextUp.content === api_1.LayerContentType.INPUT) {
const layer = newLayer.nextUp;
(0, util_1.addCommands)(diffCmds, (0, util_1.addContext)((0, util_1.literal)({
command: casparcg_connection_1.Commands.LoadbgDecklink,
params: {
...options,
device: layer.input.device,
format: layer.input.format,
// filter: layer.filter,
channelLayout: layer.input.channelLayout,
aFilter: layer.afilter,
vFilter: layer.vfilter,
},
}), `Nextup Decklink (${layer.input.device})`, newLayer));
}
else if (newLayer.nextUp.content === api_1.LayerContentType.ROUTE) {
const layer = newLayer.nextUp;
(0, util_1.addCommands)(diffCmds, (0, util_1.addContext)((0, util_1.literal)({
command: casparcg_connection_1.Commands.LoadbgRoute,
params: {
...options,
route: layer.route,
mode: layer.mode,
channelLayout: layer.route ? layer.route.channelLayout : undefined,
framesDelay: layer.delay
? Math.floor((0, util_1.time2FramesChannel)(layer.delay, newChannel, oldChannel))
: undefined,
aFilter: layer.afilter,
vFilter: layer.vfilter,
},
}), `Nextup Route (${layer.route})`, newLayer));
}
// } else if (compareAttrs(oldLayer.nextUp, newLayer, ['media'])) {
// this.log('REMOVE BG')
// console.log('REMOVE BG', oldLayer.nextUp, newLayer)
// additionalCmds.push(new AMCP.LoadbgCommand({
// channel: newChannel.channelNo,
// layer: newLayer.layerNo,
// clip: 'EMPTY'
// }))
}
}
return {
commands: diffCmds,
};
}
exports.resolveBackgroundState = resolveBackgroundState;
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