chains/~partytown/debug/partytown-media.js

375 lines
17 KiB
JavaScript

/* Partytown 0.7.6 - MIT builder.io */
(self => {
const [getter, setter, callMethod, constructGlobal, definePrototypePropertyDescriptor, randomId, WinIdKey, InstanceIdKey, ApplyPathKey] = self.$bridgeToMedia$;
delete self.$bridgeToMedia$;
const ContextKey = Symbol();
const MediaSourceKey = Symbol();
const ReadyStateKey = Symbol();
const SourceBuffersKey = Symbol();
const SourceBufferTasksKey = Symbol();
const TimeRangesKey = Symbol();
const EMPTY_ARRAY = [];
const defineCstr = (win, cstrName, Cstr) => win[cstrName] = defineCstrName(cstrName, Cstr);
const defineCstrName = (cstrName, Cstr) => Object.defineProperty(Cstr, "name", {
value: cstrName
});
const initCanvas = (WorkerBase, win) => {
const HTMLCanvasDescriptorMap = {
getContext: {
value(contextType, contextAttributes) {
this[ContextKey] || (this[ContextKey] = (contextType.includes("webgl") ? createContextWebGL : createContext2D)(this, contextType, contextAttributes));
return this[ContextKey];
}
}
};
const WorkerCanvasGradient = defineCstr(win, "CanvasGradient", class extends WorkerBase {
addColorStop(...args) {
callMethod(this, [ "addColorStop" ], args, 2);
}
});
const WorkerCanvasPattern = defineCstr(win, "CanvasPattern", class extends WorkerBase {
setTransform(...args) {
callMethod(this, [ "setTransform" ], args, 2);
}
});
const createContext2D = (canvasInstance, contextType, contextAttributes) => {
const winId = canvasInstance[WinIdKey];
const ctxInstanceId = randomId();
const ctxInstance = {
[WinIdKey]: winId,
[InstanceIdKey]: ctxInstanceId,
[ApplyPathKey]: []
};
const ctx = callMethod(canvasInstance, [ "getContext" ], [ contextType, contextAttributes ], 1, ctxInstanceId);
const ctx2dGetterMethods = "getContextAttributes,getImageData,getLineDash,getTransform,isPointInPath,isPointInStroke,measureText".split(",");
const CanvasRenderingContext2D = {
get: (target, propName) => "string" == typeof propName && propName in ctx ? "function" == typeof ctx[propName] ? (...args) => {
if (propName.startsWith("create")) {
const instanceId = randomId();
callMethod(ctxInstance, [ propName ], args, 2, instanceId);
if ("createImageData" === propName || "createPattern" === propName) {
(api => {
console.warn(`${api} not implemented`);
})(`${propName}()`);
return {
setTransform: () => {}
};
}
return new WorkerCanvasGradient(winId, instanceId);
}
const methodCallType = ctx2dGetterMethods.includes(propName) ? 1 : 2;
return callMethod(ctxInstance, [ propName ], args, methodCallType);
} : ctx[propName] : target[propName],
set(target, propName, value) {
if ("string" == typeof propName && propName in ctx) {
ctx[propName] !== value && "function" != typeof value && setter(ctxInstance, [ propName ], value);
ctx[propName] = value;
} else {
target[propName] = value;
}
return true;
}
};
return new Proxy(ctx, CanvasRenderingContext2D);
};
const createContextWebGL = (canvasInstance, contextType, contextAttributes) => {
const winId = canvasInstance[WinIdKey];
const ctxInstanceId = randomId();
const ctxInstance = {
[WinIdKey]: winId,
[InstanceIdKey]: ctxInstanceId,
[ApplyPathKey]: []
};
const ctx = callMethod(canvasInstance, [ "getContext" ], [ contextType, contextAttributes ], 1, ctxInstanceId);
const WebGLRenderingContextHandler = {
get: (target, propName) => "string" == typeof propName ? "function" != typeof ctx[propName] ? ctx[propName] : (...args) => callMethod(ctxInstance, [ propName ], args, getWebGlMethodCallType(propName)) : target[propName],
set(target, propName, value) {
if ("string" == typeof propName && propName in ctx) {
ctx[propName] !== value && "function" != typeof value && setter(ctxInstance, [ propName ], value);
ctx[propName] = value;
} else {
target[propName] = value;
}
return true;
}
};
return new Proxy(ctx, WebGLRenderingContextHandler);
};
const ctxWebGLGetterMethods = "checkFramebufferStatus,makeXRCompatible".split(",");
const getWebGlMethodCallType = methodName => methodName.startsWith("create") || methodName.startsWith("get") || methodName.startsWith("is") || ctxWebGLGetterMethods.includes(methodName) ? 1 : 2;
defineCstr(win, "CanvasGradient", WorkerCanvasGradient);
defineCstr(win, "CanvasPattern", WorkerCanvasPattern);
definePrototypePropertyDescriptor(win.HTMLCanvasElement, HTMLCanvasDescriptorMap);
};
const initMedia = (WorkerBase, WorkerEventTargetProxy, env, win) => {
var _a, _b;
win.Audio = defineCstrName("HTMLAudioElement", class {
constructor(src) {
const audio = env.$createNode$("audio", randomId());
audio.src = src;
return audio;
}
});
const WorkerAudioTrack = class extends WorkerBase {
get enabled() {
return getter(this, [ "enabled" ]);
}
set enabled(value) {
setter(this, [ "enabled" ], value);
}
get id() {
return getter(this, [ "id" ]);
}
get kind() {
return getter(this, [ "kind" ]);
}
get label() {
return getter(this, [ "label" ]);
}
get language() {
return getter(this, [ "language" ]);
}
get sourceBuffer() {
return new WorkerSourceBuffer(this);
}
};
const WorkerAudioTrackList = class {
constructor(mediaElm) {
const winId = mediaElm[WinIdKey];
const instanceId = mediaElm[InstanceIdKey];
const instance = {
addEventListener(...args) {
callMethod(mediaElm, [ "audioTracks", "addEventListener" ], args, 3);
},
getTrackById: (...args) => callMethod(mediaElm, [ "audioTracks", "getTrackById" ], args),
get length() {
return getter(mediaElm, [ "audioTracks", "length" ]);
},
removeEventListener(...args) {
callMethod(mediaElm, [ "audioTracks", "removeEventListener" ], args, 3);
}
};
return new Proxy(instance, {
get: (target, propName) => "number" == typeof propName ? new WorkerAudioTrack(winId, instanceId, [ "audioTracks", propName ]) : target[propName]
});
}
};
const WorkerSourceBufferList = defineCstr(win, "SourceBufferList", class extends Array {
constructor(mediaSource) {
super();
this[MediaSourceKey] = mediaSource;
}
addEventListener(...args) {
callMethod(this[MediaSourceKey], [ "sourceBuffers", "addEventListener" ], args, 3);
}
removeEventListener(...args) {
callMethod(this[MediaSourceKey], [ "sourceBuffers", "removeEventListener" ], args, 3);
}
});
const WorkerSourceBuffer = defineCstr(win, "SourceBuffer", (_b = class extends WorkerEventTargetProxy {
constructor(mediaSource) {
super(mediaSource[WinIdKey], mediaSource[InstanceIdKey], [ "sourceBuffers" ]);
this[_a] = [];
this[MediaSourceKey] = mediaSource;
}
abort() {
const sbIndex = getSourceBufferIndex(this);
callMethod(this, [ sbIndex, "appendWindowStart" ], EMPTY_ARRAY, 1);
}
addEventListener(...args) {
const sbIndex = getSourceBufferIndex(this);
callMethod(this, [ sbIndex, "addEventListener" ], args, 3);
}
appendBuffer(buf) {
this[SourceBufferTasksKey].push([ "appendBuffer", [ buf ], buf ]);
drainSourceBufferQueue(this);
}
get appendWindowStart() {
const sbIndex = getSourceBufferIndex(this);
return getter(this, [ sbIndex, "appendWindowStart" ]);
}
set appendWindowStart(value) {
const sbIndex = getSourceBufferIndex(this);
setter(this, [ sbIndex, "appendWindowStart" ], value);
}
get appendWindowEnd() {
const sbIndex = getSourceBufferIndex(this);
return getter(this, [ sbIndex, "appendWindowEnd" ]);
}
set appendWindowEnd(value) {
const sbIndex = getSourceBufferIndex(this);
setter(this, [ sbIndex, "appendWindowEnd" ], value);
}
get buffered() {
const mediaSource = this[MediaSourceKey];
const sbIndex = getSourceBufferIndex(this);
const timeRanges = new WorkerTimeRanges(mediaSource[WinIdKey], mediaSource[InstanceIdKey], [ "sourceBuffers", sbIndex, "buffered" ]);
return timeRanges;
}
changeType(mimeType) {
const sbIndex = getSourceBufferIndex(this);
callMethod(this, [ sbIndex, "changeType" ], [ mimeType ], 2);
}
get mode() {
const sbIndex = getSourceBufferIndex(this);
return getter(this, [ sbIndex, "mode" ]);
}
set mode(value) {
const sbIndex = getSourceBufferIndex(this);
setter(this, [ sbIndex, "mode" ], value);
}
remove(start, end) {
this[SourceBufferTasksKey].push([ "remove", [ start, end ] ]);
drainSourceBufferQueue(this);
}
removeEventListener(...args) {
const sbIndex = getSourceBufferIndex(this);
callMethod(this, [ sbIndex, "removeEventListener" ], args, 3);
}
get timestampOffset() {
const sbIndex = getSourceBufferIndex(this);
return getter(this, [ sbIndex, "timestampOffset" ]);
}
set timestampOffset(value) {
const sbIndex = getSourceBufferIndex(this);
setter(this, [ sbIndex, "timestampOffset" ], value);
}
get updating() {
const sbIndex = getSourceBufferIndex(this);
return getter(this, [ sbIndex, "updating" ]);
}
}, _a = SourceBufferTasksKey, _b));
const WorkerTimeRanges = defineCstr(win, "TimeRanges", class extends WorkerBase {
start(...args) {
return callMethod(this, [ "start" ], args);
}
end(...args) {
return callMethod(this, [ "end" ], args);
}
get length() {
return getter(this, [ "length" ]);
}
});
const getSourceBufferIndex = sourceBuffer => {
if (sourceBuffer) {
const mediaSource = sourceBuffer[MediaSourceKey];
const sourceBufferList = mediaSource[SourceBuffersKey];
return sourceBufferList.indexOf(sourceBuffer);
}
return -1;
};
const drainSourceBufferQueue = sourceBuffer => {
if (sourceBuffer[SourceBufferTasksKey].length) {
if (!sourceBuffer.updating) {
const task = sourceBuffer[SourceBufferTasksKey].shift();
if (task) {
const sbIndex = getSourceBufferIndex(sourceBuffer);
callMethod(sourceBuffer, [ sbIndex, task[0] ], task[1], 3, void 0, task[2]);
}
}
setTimeout((() => drainSourceBufferQueue(sourceBuffer)), 50);
}
};
const HTMLMediaDescriptorMap = {
buffered: {
get() {
if (!this[TimeRangesKey]) {
this[TimeRangesKey] = new WorkerTimeRanges(this[WinIdKey], this[InstanceIdKey], [ "buffered" ]);
setTimeout((() => {
this[TimeRangesKey] = void 0;
}), 5e3);
}
return this[TimeRangesKey];
}
},
readyState: {
get() {
if (4 === this[ReadyStateKey]) {
return 4;
}
if ("number" != typeof this[ReadyStateKey]) {
this[ReadyStateKey] = getter(this, [ "readyState" ]);
setTimeout((() => {
this[ReadyStateKey] = void 0;
}), 1e3);
}
return this[ReadyStateKey];
}
}
};
defineCstr(win, "MediaSource", class extends WorkerEventTargetProxy {
constructor() {
super(env.$winId$);
this[SourceBuffersKey] = new WorkerSourceBufferList(this);
constructGlobal(this, "MediaSource", EMPTY_ARRAY);
}
get activeSourceBuffers() {
return [];
}
addSourceBuffer(mimeType) {
const sourceBuffer = new WorkerSourceBuffer(this);
this[SourceBuffersKey].push(sourceBuffer);
callMethod(this, [ "addSourceBuffer" ], [ mimeType ]);
return sourceBuffer;
}
clearLiveSeekableRange() {
callMethod(this, [ "clearLiveSeekableRange" ], EMPTY_ARRAY, 2);
}
get duration() {
return getter(this, [ "duration" ]);
}
set duration(value) {
setter(this, [ "duration" ], value);
}
endOfStream(endOfStreamError) {
callMethod(this, [ "endOfStream" ], [ endOfStreamError ], 3);
}
get readyState() {
return getter(this, [ "readyState" ]);
}
removeSourceBuffer(sourceBuffer) {
const index = getSourceBufferIndex(sourceBuffer);
if (index > -1) {
this[SourceBuffersKey].splice(index, 1);
callMethod(this, [ "removeSourceBuffer" ], [ index ], 1);
}
}
setLiveSeekableRange(start, end) {
callMethod(this, [ "setLiveSeekableRange" ], [ start, end ], 2);
}
get sourceBuffers() {
return this[SourceBuffersKey];
}
static isTypeSupported(mimeType) {
if (!isStaticTypeSupported.has(mimeType)) {
const isSupported = callMethod(win, [ "MediaSource", "isTypeSupported" ], [ mimeType ]);
isStaticTypeSupported.set(mimeType, isSupported);
}
return isStaticTypeSupported.get(mimeType);
}
});
const winURL = win.URL = defineCstrName("URL", class extends URL {});
const hasAudioTracks = "audioTracks" in win.HTMLMediaElement.prototype;
if (hasAudioTracks) {
defineCstr(win, "AudioTrackList", WorkerAudioTrackList);
defineCstr(win, "AudioTrack", WorkerAudioTrack);
HTMLMediaDescriptorMap.audioTracks = {
get() {
return new WorkerAudioTrackList(this);
}
};
}
definePrototypePropertyDescriptor(win.HTMLMediaElement, HTMLMediaDescriptorMap);
winURL.createObjectURL = obj => callMethod(win, [ "URL", "createObjectURL" ], [ obj ]);
winURL.revokeObjectURL = obj => callMethod(win, [ "URL", "revokeObjectURL" ], [ obj ]);
};
const isStaticTypeSupported = new Map;
self.$bridgeFromMedia$ = (WorkerBase, WorkerEventTargetProxy, env, win, windowMediaConstructors) => {
windowMediaConstructors.map((mediaCstrName => {
delete win[mediaCstrName];
}));
initCanvas(WorkerBase, win);
initMedia(WorkerBase, WorkerEventTargetProxy, env, win);
};
})(self);