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Don't send thumbnails that are larger than the original

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- Set PNG compression to maximum
- Don't upload thumbnail if it is not at least 10% smaller than  the
  original
This commit is contained in:
tastytea 2022-03-24 19:34:20 +01:00
parent c59c8b6f3c
commit 179ae53b40
No known key found for this signature in database
1 changed files with 39 additions and 31 deletions
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70
src/timeline/InputBar.cpp
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@ -896,39 +896,47 @@ MediaUpload::startUpload()
QByteArray ba;
QBuffer buffer(&ba);
buffer.open(QIODevice::WriteOnly);
thumbnail_.save(&buffer, "PNG");
auto payload = std::string(ba.data(), ba.size());
if (encrypt_) {
mtx::crypto::BinaryBuf buf;
std::tie(buf, thumbnailEncryptedFile) = mtx::crypto::encrypt_file(std::move(payload));
payload = mtx::crypto::to_string(buf);
}
thumbnailSize_ = payload.size();
thumbnail_.save(&buffer, "PNG", 0);
if (ba.size() >= (data.size() - data.size() / 10)) {
nhlog::ui()->info(
"Thumbnail is not a lot smaller than original image, not uploading it");
nhlog::ui()->debug(
"\n Image size: {:9d}\nThumbnail size: {:9d}", data.size(), ba.size());
} else {
auto payload = std::string(ba.data(), ba.size());
if (encrypt_) {
mtx::crypto::BinaryBuf buf;
std::tie(buf, thumbnailEncryptedFile) =
mtx::crypto::encrypt_file(std::move(payload));
payload = mtx::crypto::to_string(buf);
}
thumbnailSize_ = payload.size();
http::client()->upload(
payload,
encryptedFile ? "application/octet-stream" : "image/png",
"",
[this](const mtx::responses::ContentURI &res, mtx::http::RequestErr err) mutable {
if (err) {
emit ChatPage::instance()->showNotification(
tr("Failed to upload media. Please try again."));
nhlog::net()->warn("failed to upload media: {} {} ({})",
err->matrix_error.error,
to_string(err->matrix_error.errcode),
static_cast<int>(err->status_code));
thumbnail_ = QImage();
startUpload();
return;
}
thumbnailUrl_ = QString::fromStdString(res.content_uri);
if (thumbnailEncryptedFile)
thumbnailEncryptedFile->url = res.content_uri;
http::client()->upload(
payload,
encryptedFile ? "application/octet-stream" : "image/png",
"",
[this](const mtx::responses::ContentURI &res, mtx::http::RequestErr err) mutable {
if (err) {
emit ChatPage::instance()->showNotification(
tr("Failed to upload media. Please try again."));
nhlog::net()->warn("failed to upload media: {} {} ({})",
err->matrix_error.error,
to_string(err->matrix_error.errcode),
static_cast<int>(err->status_code));
thumbnail_ = QImage();
startUpload();
return;
}
thumbnailUrl_ = QString::fromStdString(res.content_uri);
if (thumbnailEncryptedFile)
thumbnailEncryptedFile->url = res.content_uri;
startUpload();
});
return;
});
return;
}
}
auto payload = std::string(data.data(), data.size());