tav-media
Version:
Cross platform media editing framework
181 lines (180 loc) • 6.97 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var PAGFile_1;
import { PAGModule } from './pag-module';
import { PAGComposition } from './pag-composition';
import { readFile } from './utils/common';
import { wasmAwaitRewind, wasmAsyncMethod, destroyVerify } from './utils/decorators';
import { getLayerTypeName, layer2typeLayer, proxyVector } from './utils/type-utils';
let PAGFile = PAGFile_1 = class PAGFile extends PAGComposition {
constructor() {
super(...arguments);
this._duration = 0;
}
/**
* Load pag file from file.
*/
static load(data) {
return __awaiter(this, void 0, void 0, function* () {
let buffer = null;
if (data instanceof File) {
buffer = (yield readFile(data));
}
else if (data instanceof Blob) {
buffer = (yield readFile(new File([data], '')));
}
else if (data instanceof ArrayBuffer) {
buffer = data;
}
if (!buffer)
throw new Error('Initialize PAGFile data type error, please put check data type must to be File ｜ Blob | ArrayBuffer!');
return PAGFile_1.loadFromBuffer(buffer);
});
}
/**
* Load pag file from arrayBuffer
*/
static loadFromBuffer(buffer) {
if (!buffer || !(buffer.byteLength > 0))
throw new Error('Initialize PAGFile data not be empty!');
const dataUint8Array = new Uint8Array(buffer);
const numBytes = dataUint8Array.byteLength;
const dataPtr = PAGModule._malloc(numBytes);
const dataOnHeap = new Uint8Array(PAGModule.HEAPU8.buffer, dataPtr, numBytes);
dataOnHeap.set(dataUint8Array);
const wasmIns = PAGModule._PAGFile._Load(dataOnHeap.byteOffset, dataOnHeap.length);
if (!wasmIns)
throw new Error('Load PAGFile fail!');
const pagFile = new PAGFile_1(wasmIns);
PAGModule._free(dataPtr);
pagFile._duration = pagFile.wasmIns._duration();
return pagFile;
}
/**
* The maximum tag level current SDK supports.
*/
static maxSupportedTagLevel() {
return PAGModule._PAGFile._MaxSupportedTagLevel();
}
/**
* The tag level this pag file requires.
*/
tagLevel() {
return this.wasmIns._tagLevel();
}
/**
* The number of replaceable texts.
*/
numTexts() {
return this.wasmIns._numTexts();
}
/**
* The number of replaceable images.
*/
numImages() {
return this.wasmIns._numImages();
}
/**
* The number of video compositions.
*/
numVideos() {
return this.wasmIns._numVideos();
}
/**
* Get a text data of the specified index. The index ranges from 0 to numTexts - 1.
* Note: It always returns the default text data.
*/
getTextData(editableTextIndex) {
return this.wasmIns._getTextData(editableTextIndex);
}
/**
* Replace the text data of the specified index. The index ranges from 0 to PAGFile.numTexts - 1.
* Passing in null for the textData parameter will reset it to default text data.
*/
replaceText(editableTextIndex, textData) {
this.wasmIns._replaceText(editableTextIndex, textData);
}
/**
* Replace the image content of the specified index with a PAGImage object. The index ranges from
* 0 to PAGFile.numImages - 1. Passing in null for the image parameter will reset it to default
* image content.
*/
replaceImage(editableImageIndex, pagImage) {
this.wasmIns._replaceImage(editableImageIndex, pagImage.wasmIns);
}
/**
* Return an array of layers by specified editable index and layer type.
*/
getLayersByEditableIndex(editableIndex, layerType) {
const wasmIns = this.wasmIns._getLayersByEditableIndex(editableIndex, layerType);
if (!wasmIns)
throw new Error(`Get ${getLayerTypeName(layerType)} layers by ${editableIndex} fail!`);
return proxyVector(wasmIns, layer2typeLayer);
}
/**
* Returns the indices of the editable layers in this PAGFile.
* If the editableIndex of a PAGLayer is not present in the returned indices, the PAGLayer should
* not be treated as editable.
*/
getEditableIndices(layerType) {
return this.wasmIns._getEditableIndices(layerType);
}
/**
* Indicate how to stretch the original duration to fit target duration when file's duration is
* changed. The default value is PAGTimeStretchMode::Repeat.
*/
timeStretchMode() {
return this.wasmIns._timeStretchMode();
}
/**
* Set the timeStretchMode of this file.
*/
setTimeStretchMode(value) {
this.wasmIns._setTimeStretchMode(value);
}
/**
* The duration of the layer in microseconds, indicates the length of the visible range.
*/
duration() {
return this._duration;
}
/**
* Set the duration of this PAGFile. Passing a value less than or equal to 0 resets the duration
* to its default value.
*/
setDuration(duration) {
this._duration = duration;
this.wasmIns._setDuration(duration);
}
/**
* Set the duration of this PAGFile. Passing a value less than or equal to 0 resets the duration
* to its default value.
*/
copyOriginal() {
const wasmIns = this.wasmIns._copyOriginal();
if (!wasmIns)
throw new Error(`Copy original fail!`);
return new PAGFile_1(wasmIns);
}
};
__decorate([
wasmAsyncMethod
], PAGFile, "load", null);
PAGFile = PAGFile_1 = __decorate([
destroyVerify,
wasmAwaitRewind
], PAGFile);
export { PAGFile };