signal-desktop/js/calling-tools/stats_helper.js
2024-05-23 15:19:12 -07:00

57 lines
2 KiB
JavaScript

// Derived from Chromium WebRTC Internals Dashboard - see Acknowledgements for full license details
/**
* @param {!Object} statsValues The object containing stats, an
* array [key1, val1, key2, val2, ...] so searching a certain
* key needs to ensure it does not collide with a value.
*/
function generateLabel(key, statsValues) {
let label = '';
const statIndex = statsValues.findIndex((value, index) => {
return value === key && index % 2 === 0;
});
if (statIndex !== -1) {
label += key + '=' + statsValues[statIndex + 1];
}
return label;
}
/**
* Formats the display text used for a stats type that is shown
* in the stats table or the stats graph.
*
* @param {!Object} report The object containing stats, which is the object
* containing timestamp and values, which is an array of strings, whose
* even index entry is the name of the stat, and the odd index entry is
* the value.
*/
export function generateStatsLabel(report) {
let label = report.type + ' (';
let labels = [];
if (['outbound-rtp', 'remote-outbound-rtp', 'inbound-rtp',
'remote-inbound-rtp'].includes(report.type) && report.stats.values) {
labels = ['kind', 'mid', 'rid', 'ssrc', 'rtxSsrc', 'fecSsrc',
'scalabilityMode',
'encoderImplementation', 'decoderImplementation',
'powerEfficientEncoder', 'powerEfficientDecoder',
'[codec]'];
} else if (['local-candidate', 'remote-candidate'].includes(report.type)) {
labels = ['candidateType', 'tcpType', 'relayProtocol'];
} else if (report.type === 'codec') {
labels = ['mimeType', 'payloadType'];
} else if (['media-playout', 'media-source'].includes(report.type)) {
labels = ['kind'];
} else if (report.type === 'candidate-pair') {
labels = ['state'];
} else if (report.type === 'transport') {
labels = ['iceState', 'dtlsState'];
}
labels = labels
.map(stat => generateLabel(stat, report.stats.values))
.filter(label => !!label);
if (labels.length) {
label += labels.join(', ') + ', ';
}
label += 'id=' + report.id + ')';
return label;
}