beenull/ente
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

More

Browse source
This commit is contained in:
Manav Rathi 2024-05-04 14:41:06 +05:30
parent 77036ee29a
commit b809523ec9
No known key found for this signature in database
1 changed files with 40 additions and 39 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

79
web/apps/cast/src/services/cast.ts
View file

@ -98,17 +98,29 @@ export const renderableImageURLs = async function* (castData: CastData) {
for (const file of files) {
if (!isFileEligibleForCast(file)) continue;
haveEligibleFiles = true;
if (!previousURL) {
previousURL = await createRenderableURL(castToken, file);
try {
previousURL = await createRenderableURL(castToken, file);
} catch (e) {
log.error("Skipping unrenderable file", e);
}
continue;
}
const url = await createRenderableURL(castToken, file);
let url: string;
try {
url = await createRenderableURL(castToken, file);
} catch (e) {
log.error("Skipping unrenderable file", e);
continue;
}
haveEligibleFiles = true;
const urls: RenderableImageURLPair = [previousURL, url];
previousURL = url;
yield urls;
// TODO: URL.revokeObjectURL where
}
// This collection does not have any files that we can show.
@ -404,41 +416,7 @@ export function mergeMetadata(files: EnteFile[]): EnteFile[] {
});
}
/**
* Create and return a new data URL that can be used to show the given
* {@link file} in our slideshow image viewer.
*
* Once we're done showing the file, the URL should be revoked using
* {@link URL.revokeObjectURL} to free up browser resources.
*/
export const createRenderableURL = async (castToken: string, file: EnteFile) =>
URL.createObjectURL(await getPreviewableImage(castToken, file));
export const getPreviewableImage = async (
castToken: string,
file: EnteFile,
): Promise<Blob> => {
try {
let fileBlob = await downloadFile(castToken, file);
if (file.metadata.fileType === FILE_TYPE.LIVE_PHOTO) {
const { imageData } = await decodeLivePhoto(
file.metadata.title,
fileBlob,
);
fileBlob = new Blob([imageData]);
}
const mimeType = await detectMediaMIMEType(
new File([fileBlob], file.metadata.title),
);
if (!mimeType) return undefined;
fileBlob = new Blob([fileBlob], { type: mimeType });
return fileBlob;
} catch (e) {
log.error("failed to download file", e);
}
};
export const isFileEligibleForCast = (file: EnteFile) => {
const isFileEligibleForCast = (file: EnteFile) => {
if (!isImageOrLivePhoto(file)) return false;
if (file.info.fileSize > 100 * 1024 * 1024) return false;
@ -453,6 +431,29 @@ const isImageOrLivePhoto = (file: EnteFile) => {
return fileType == FILE_TYPE.IMAGE || fileType == FILE_TYPE.LIVE_PHOTO;
};
/**
* Create and return a new data URL that can be used to show the given
* {@link file} in our slideshow image viewer.
*
* Once we're done showing the file, the URL should be revoked using
* {@link URL.revokeObjectURL} to free up browser resources.
*/
const createRenderableURL = async (castToken: string, file: EnteFile) =>
URL.createObjectURL(await renderableImageBlob(castToken, file));
const renderableImageBlob = async (castToken: string, file: EnteFile) => {
const fileName = file.metadata.title;
let blob = await downloadFile(castToken, file);
if (file.metadata.fileType === FILE_TYPE.LIVE_PHOTO) {
const { imageData } = await decodeLivePhoto(fileName, blob);
blob = new Blob([imageData]);
}
const mimeType = await detectMediaMIMEType(new File([blob], fileName));
if (!mimeType)
throw new Error(`Could not detect MIME type for file ${fileName}`);
return new Blob([blob], { type: mimeType });
};
const downloadFile = async (castToken: string, file: EnteFile) => {
if (!isImageOrLivePhoto(file))
throw new Error("Can only cast images and live photos");