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Object.defineProperty(exports, "__esModule", { value: true });
exports.formatFilters = exports.formatBitrate = void 0;
const regexp_1 = require("./regexp");
function formatBitrate(bitrate) {
if (typeof bitrate === 'number') {
if (bitrate < 1024) {
// Assume the user means kbps
return `${bitrate}k`;
}
else {
return `${bitrate}`;
}
}
else {
return bitrate;
}
}
exports.formatBitrate = formatBitrate;
function formatFilters(specs) {
/* Filter syntax:
filter := inputs? filterspec outputs?
inputs := input inputs?
input := '[' input-name ']'
outputs := output outputs?
output := '[' output-name ']'
filterspec := filter-name ('=' filterargs)?
filterargs := filterarg (':' filterargs)?
filterarg := arg-value | (arg-name '=' arg-value)
*/
return specs.map((spec) => {
if (typeof spec === 'string') {
return spec;
}
if (spec.input) {
spec.inputs = [spec.input];
}
let inputs = (spec.inputs || []).map((stream) => stream.replace(regexp_1.streamRegexp, '[$1]')).join('');
let options = '';
if (spec.options) {
if (typeof spec.options === 'string') {
options = `=${spec.options}`;
}
else if (Array.isArray(spec.options)) {
let optionStrings = spec.options
.map((option) => {
if (option.match(regexp_1.filterNeedsEscapeRegexp)) {
return `'${option}'`;
}
else {
return option;
}
});
options = `=${optionStrings.join(':')}`;
}
else {
let optionStrings = Object.entries(spec.options)
.map(([key, value]) => {
if (value.match(regexp_1.filterNeedsEscapeRegexp)) {
value = `'${value}'`;
}
return `${key}=${value}`;
});
options = `=${optionStrings.join(':')}`;
}
}
let filter = `${spec.filter}${options}`;
if (spec.output) {
spec.outputs = [spec.output];
}
let outputs = (spec.outputs || []).map((stream) => stream.replace(regexp_1.streamRegexp, '[$1]')).join('');
return `${inputs}${filter}${outputs}`;
});
}
exports.formatFilters = formatFilters;
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