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Code Issues Releases Wiki Activity

Try using progressive jpeg photo size.

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This commit is contained in:
John Preston
2020-08-25 22:03:41 +04:00
parent 55edb3bdfe
commit 0888901d79
17 changed files with 198 additions and 63 deletions
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28
Telegram/SourceFiles/data/data_session.cpp
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@@ -2262,6 +2262,21 @@ void Session::photoApplyFields(
not_null<PhotoData*> photo,
const MTPDphoto &data) {
const auto &sizes = data.vsizes().v;
const auto progressive = [&] {
const auto kInvalidIndex = sizes.size();
const auto area = [&](const MTPPhotoSize &size) {
return size.match([](const MTPDphotoSizeProgressive &data) {
return data.vw().v * data.vh().v;
}, [](const auto &) {
return 0;
});
};
const auto found = ranges::max_element(sizes, std::greater<>(), area);
return (found == sizes.end()
|| found->type() != mtpc_photoSizeProgressive)
? sizes.end()
: found;
}();
const auto find = [&](const QByteArray &levels) {
const auto kInvalidIndex = int(levels.size());
const auto level = [&](const MTPPhotoSize &size) {
@@ -2300,7 +2315,10 @@ void Session::photoApplyFields(
std::greater<>(),
area);
};
const auto large = image(LargeLevels);
const auto useProgressive = (progressive != sizes.end());
const auto large = useProgressive
? Images::FromPhotoSize(_session, data, *progressive)
: image(LargeLevels);
if (large.location.valid()) {
const auto video = findVideoSize();
photoApplyFields(
@@ -2311,8 +2329,12 @@ void Session::photoApplyFields(
data.vdc_id().v,
data.is_has_stickers(),
FindPhotoInlineThumbnail(data),
image(SmallLevels),
image(ThumbnailLevels),
(useProgressive
? ImageWithLocation()
: image(SmallLevels)),
(useProgressive
? Images::FromProgressiveSize(_session, *progressive, 1)
: image(ThumbnailLevels)),
large,
(video
? Images::FromVideoSize(_session, data, *video)