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Send thumbs only for big files.

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This commit is contained in:
John Preston 2019-01-18 11:37:41 +04:00
parent 1894b8fcf7
commit 8643972f8c
1 changed files with 103 additions and 58 deletions
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161
Telegram/SourceFiles/storage/localimageloader.cpp
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@ -24,6 +24,78 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
namespace {
constexpr auto kThumbnailQuality = 87;
constexpr auto kThumbnailSize = 320;
struct PreparedFileThumbnail {
uint64 id = 0;
QString name;
QImage image;
QByteArray bytes;
MTPPhotoSize mtpSize = MTP_photoSizeEmpty(MTP_string(""));
};
PreparedFileThumbnail PrepareFileThumbnail(QImage &&original) {
const auto width = original.width();
const auto height = original.height();
if (!Storage::ValidateThumbDimensions(width, height)) {
return {};
}
auto result = PreparedFileThumbnail();
result.id = rand_value<uint64>();
const auto scaled = (width > kThumbnailSize || height > kThumbnailSize);
const auto scaledWidth = [&] {
return (width > height)
? kThumbnailSize
: int(std::round(kThumbnailSize * width / float64(height)));
};
const auto scaledHeight = [&] {
return (width > height)
? int(std::round(kThumbnailSize * height / float64(width)))
: kThumbnailSize;
};
result.image = scaled
? original.scaled(
scaledWidth(),
scaledHeight(),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation)
: std::move(original);
result.mtpSize = MTP_photoSize(
MTP_string(""),
MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)),
MTP_int(result.image.width()),
MTP_int(result.image.height()),
MTP_int(0));
return result;
}
bool FileThumbnailUploadRequired(const QString &filemime, int32 filesize) {
constexpr auto kThumbnailUploadBySize = 5 * 1024 * 1024;
const auto kThumbnailKnownMimes = {
"image/jpeg",
"image/gif",
"image/png",
"image/webp",
"video/mp4",
};
return (filesize > kThumbnailUploadBySize)
|| (ranges::find(kThumbnailKnownMimes, filemime.toLower())
== end(kThumbnailKnownMimes));
}
PreparedFileThumbnail FinalizeFileThumbnail(
PreparedFileThumbnail &&prepared,
const QString &filemime,
int32 filesize,
bool isSticker) {
prepared.name = isSticker ? qsl("thumb.webp") : qsl("thumb.jpg");
if (FileThumbnailUploadRequired(filemime, filesize)) {
const auto format = QByteArray(isSticker ? "WEBP" : "JPG");
auto buffer = QBuffer(&prepared.bytes);
prepared.image.save(&buffer, format, kThumbnailQuality);
}
return std::move(prepared);
}
auto FindAlbumItem(
std::vector<SendingAlbum::Item> &items,
@ -507,14 +579,11 @@ void FileLoadTask::process() {
qint64 filesize = 0;
QByteArray filedata;
uint64 thumbId = 0;
auto thumbname = qsl("thumb.jpg");
QByteArray thumbdata;
auto isAnimation = false;
auto isSong = false;
auto isVideo = false;
auto isVoice = (_type == SendMediaType::Audio);
auto isSticker = false;
auto fullimage = QImage();
auto info = _filepath.isEmpty() ? QFileInfo() : QFileInfo(_filepath);
@ -610,12 +679,13 @@ void FileLoadTask::process() {
PreparedPhotoThumbs photoThumbs;
QVector<MTPPhotoSize> photoSizes;
QImage thumb, goodThumbnail;
QImage goodThumbnail;
QByteArray goodThumbnailBytes;
QVector<MTPDocumentAttribute> attributes(1, MTP_documentAttributeFilename(MTP_string(filename)));
auto thumbSize = MTP_photoSizeEmpty(MTP_string(""));
auto thumbnail = PreparedFileThumbnail();
auto photo = MTP_photoEmpty(MTP_long(0));
auto document = MTP_documentEmpty(MTP_long(0));
@ -629,23 +699,7 @@ void FileLoadTask::process() {
isSong = true;
auto flags = MTPDdocumentAttributeAudio::Flag::f_title | MTPDdocumentAttributeAudio::Flag::f_performer;
attributes.push_back(MTP_documentAttributeAudio(MTP_flags(flags), MTP_int(song->duration), MTP_string(song->title), MTP_string(song->performer), MTPstring()));
if (!song->cover.isNull()) { // cover to thumb
auto coverWidth = song->cover.width();
auto coverHeight = song->cover.height();
auto full = (coverWidth > 90 || coverHeight > 90) ? song->cover.scaled(90, 90, Qt::KeepAspectRatio, Qt::SmoothTransformation) : std::move(song->cover);
{
auto thumbFormat = QByteArray("JPG");
auto thumbQuality = 87;
QBuffer buffer(&thumbdata);
full.save(&buffer, thumbFormat, thumbQuality);
}
thumb = full;
thumbSize = MTP_photoSize(MTP_string(""), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0));
thumbId = rand_value<uint64>();
}
thumbnail = PrepareFileThumbnail(std::move(song->cover));
} else if (auto video = base::get_if<FileMediaInformation::Video>(
&_information->media)) {
isVideo = true;
@ -666,15 +720,7 @@ void FileLoadTask::process() {
goodThumbnail.save(&buffer, "JPG", kThumbnailQuality);
}
thumbId = rand_value<uint64>();
thumb = (coverWidth > 90 || coverHeight > 90)
? video->thumbnail.scaled(90, 90, Qt::KeepAspectRatio, Qt::SmoothTransformation)
: std::move(video->thumbnail);
{
QBuffer buffer(&thumbdata);
thumb.save(&buffer, "JPG", kThumbnailQuality);
}
thumbSize = MTP_photoSize(MTP_string(""), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(thumb.width()), MTP_int(thumb.height()), MTP_int(0));
thumbnail = PrepareFileThumbnail(std::move(video->thumbnail));
}
}
@ -716,29 +762,28 @@ void FileLoadTask::process() {
}
}
QByteArray thumbFormat = "JPG";
auto thumbQuality = 87;
if (!isAnimation
&& filemime == stickerMime
&& w > 0
&& h > 0
&& w <= StickerMaxSize
&& h <= StickerMaxSize
&& filesize < Storage::kMaxStickerInMemory) {
attributes.push_back(MTP_documentAttributeSticker(MTP_flags(0), MTP_string(""), MTP_inputStickerSetEmpty(), MTPMaskCoords()));
thumbFormat = "webp";
thumbname = qsl("thumb.webp");
}
thumbId = rand_value<uint64>();
thumb = (w > 90 || h > 90) ? fullimage.scaled(90, 90, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
thumbSize = MTP_photoSize(MTP_string(""), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(thumb.width()), MTP_int(thumb.height()), MTP_int(0));
{
QBuffer buffer(&thumbdata);
thumb.save(&buffer, thumbFormat, thumbQuality);
isSticker = !isAnimation
&& (filemime == stickerMime)
&& (w > 0)
&& (h > 0)
&& (w <= StickerMaxSize)
&& (h <= StickerMaxSize)
&& (filesize < Storage::kMaxStickerInMemory);
if (isSticker) {
attributes.push_back(MTP_documentAttributeSticker(
MTP_flags(0),
MTP_string(QString()),
MTP_inputStickerSetEmpty(),
MTPMaskCoords()));
}
thumbnail = PrepareFileThumbnail(std::move(fullimage));
}
}
thumbnail = FinalizeFileThumbnail(
std::move(thumbnail),
filemime,
filesize,
isSticker);
if (_type == SendMediaType::Photo && photo.type() == mtpc_photoEmpty) {
_type = SendMediaType::File;
@ -756,7 +801,7 @@ void FileLoadTask::process() {
MTP_int(unixtime()),
MTP_string(filemime),
MTP_int(filesize),
MTP_vector<MTPPhotoSize>(1, thumbSize),
MTP_vector<MTPPhotoSize>(1, thumbnail.mtpSize),
MTP_int(MTP::maindc()),
MTP_vector<MTPDocumentAttribute>(attributes));
} else if (_type != SendMediaType::Photo) {
@ -768,7 +813,7 @@ void FileLoadTask::process() {
MTP_int(unixtime()),
MTP_string(filemime),
MTP_int(filesize),
MTP_vector<MTPPhotoSize>(1, thumbSize),
MTP_vector<MTPPhotoSize>(1, thumbnail.mtpSize),
MTP_int(MTP::maindc()),
MTP_vector<MTPDocumentAttribute>(attributes));
_type = SendMediaType::File;
@ -782,10 +827,10 @@ void FileLoadTask::process() {
_result->filemime = filemime;
_result->setFileData(filedata);
_result->thumbId = thumbId;
_result->thumbname = thumbname;
_result->setThumbData(thumbdata);
_result->thumb = std::move(thumb);
_result->thumbId = thumbnail.id;
_result->thumbname = thumbnail.name;
_result->setThumbData(thumbnail.bytes);
_result->thumb = std::move(thumbnail.image);
_result->goodThumbnail = std::move(goodThumbnail);
_result->goodThumbnailBytes = std::move(goodThumbnailBytes);