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Transcode heic/heif images

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This commit is contained in:
Josh Perez
2021-08-09 16:06:21 -04:00
committed by GitHub
parent 440fb69efc
commit 9078919545
30 changed files with 409 additions and 100 deletions
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ts/types/Attachment.ts
+7 -6
View File
@@ -196,8 +196,12 @@ export async function autoOrientJPEG(
return attachment;
}
// If we haven't downloaded the attachment yet, we won't have the data
if (!attachment.data) {
// If we haven't downloaded the attachment yet, we won't have the data.
// All images go through handleImageAttachment before being sent and thus have
// already been scaled to level, oriented, stripped of exif data, and saved
// in high quality format. If we want to send the image in HQ we can return
// the attachement as-is. Otherwise we'll have to further scale it down.
if (!attachment.data || sendHQImages) {
return attachment;
}
@@ -205,10 +209,7 @@ export async function autoOrientJPEG(
attachment.data,
attachment.contentType
);
const xcodedDataBlob = await scaleImageToLevel(
dataBlob,
sendHQImages || isIncoming
);
const xcodedDataBlob = await scaleImageToLevel(dataBlob, isIncoming);
const xcodedDataArrayBuffer = await blobToArrayBuffer(xcodedDataBlob);
// IMPORTANT: We overwrite the existing `data` `ArrayBuffer` losing the original
ts/types/MIME.ts
+21 -17
View File
@@ -3,20 +3,28 @@
export type MIMEType = string & { _mimeTypeBrand: never };
export const APPLICATION_OCTET_STREAM = 'application/octet-stream' as MIMEType;
export const APPLICATION_JSON = 'application/json' as MIMEType;
export const AUDIO_AAC = 'audio/aac' as MIMEType;
export const AUDIO_MP3 = 'audio/mp3' as MIMEType;
export const IMAGE_GIF = 'image/gif' as MIMEType;
export const IMAGE_JPEG = 'image/jpeg' as MIMEType;
export const IMAGE_PNG = 'image/png' as MIMEType;
export const IMAGE_WEBP = 'image/webp' as MIMEType;
export const IMAGE_ICO = 'image/x-icon' as MIMEType;
export const IMAGE_BMP = 'image/bmp' as MIMEType;
export const VIDEO_MP4 = 'video/mp4' as MIMEType;
export const VIDEO_QUICKTIME = 'video/quicktime' as MIMEType;
export const LONG_MESSAGE = 'text/x-signal-plain' as MIMEType;
export const stringToMIMEType = (value: string): MIMEType => {
return value as MIMEType;
};
export const APPLICATION_OCTET_STREAM = stringToMIMEType(
'application/octet-stream'
);
export const APPLICATION_JSON = stringToMIMEType('application/json');
export const AUDIO_AAC = stringToMIMEType('audio/aac');
export const AUDIO_MP3 = stringToMIMEType('audio/mp3');
export const IMAGE_GIF = stringToMIMEType('image/gif');
export const IMAGE_JPEG = stringToMIMEType('image/jpeg');
export const IMAGE_PNG = stringToMIMEType('image/png');
export const IMAGE_WEBP = stringToMIMEType('image/webp');
export const IMAGE_ICO = stringToMIMEType('image/x-icon');
export const IMAGE_BMP = stringToMIMEType('image/bmp');
export const VIDEO_MP4 = stringToMIMEType('video/mp4');
export const VIDEO_QUICKTIME = stringToMIMEType('video/quicktime');
export const LONG_MESSAGE = stringToMIMEType('text/x-signal-plain');
export const isHeic = (value: string): boolean =>
value === 'image/heic' || value === 'image/heif';
export const isGif = (value: string): value is MIMEType =>
value === 'image/gif';
export const isJPEG = (value: string): value is MIMEType =>
@@ -31,7 +39,3 @@ export const isAudio = (value: string): value is MIMEType =>
Boolean(value) && value.startsWith('audio/') && !value.endsWith('aiff');
export const isLongMessage = (value: unknown): value is MIMEType =>
value === LONG_MESSAGE;
export const fromString = (value: string): MIMEType => {
return value as MIMEType;
};