218 function protoDecoder(buffer, fileType, fileName, store) {  argument
219   var decoded = fileType.decoderParams.protoType.decode(buffer);
228   let blobUrl = URL.createObjectURL(new Blob([buffer], { type: fileType.dataType.mime }));
232 function videoDecoder(buffer, fileType, fileName, store) {  argument
233   let [data, timeline] = fileType.decoderParams.videoDecoder(buffer);
268 function decodedFile(fileType, buffer, fileName, store) {  argument
269   return [fileType, fileType.decoder(buffer, fileType, fileName, store)];
272 function detectAndDecode(buffer, fileName, store) {  argument
273   if (arrayStartsWith(buffer, LAYER_TRACE_MAGIC_NUMBER)) {
274     return decodedFile(FILE_TYPES['layers_trace'], buffer, fileName, store);
276   if (arrayStartsWith(buffer, WINDOW_TRACE_MAGIC_NUMBER)) {
277     return decodedFile(FILE_TYPES['window_trace'], buffer, fileName, store);
279   if (arrayStartsWith(buffer, MPEG4_MAGIC_NMBER)) {
280     return decodedFile(FILE_TYPES['screen_recording'], buffer, fileName, store);
282   if (arrayStartsWith(buffer, WAYLAND_TRACE_MAGIC_NUMBER)) {
283     return decodedFile(FILE_TYPES['wl_trace'], buffer, fileName, store);
285   if (arrayStartsWith(buffer, PROTO_LOG_MAGIC_NUMBER)) {
286     return decodedFile(FILE_TYPES['proto_log'], buffer, fileName, store);
290       return decodedFile(FILE_TYPES[name], buffer, fileName, store);