Keep alternative video qualities list.

Telegram/SourceFiles/api/api_credits.cpp

@@ -39,8 +39,8 @@ constexpr auto kTransactionsLimit = 100;
 	if (const auto list = tl.data().vextended_media()) {
 		extended.reserve(list->v.size());
 		for (const auto &media : list->v) {
-			media.match([&](const MTPDmessageMediaPhoto &photo) {
-				if (const auto inner = photo.vphoto()) {
+			media.match([&](const MTPDmessageMediaPhoto &data) {
+				if (const auto inner = data.vphoto()) {
 					const auto photo = owner->processPhoto(*inner);
 					if (!photo->isNull()) {
 						extended.push_back(CreditsHistoryMedia{
@@ -49,9 +49,11 @@ constexpr auto kTransactionsLimit = 100;
 						});
 					}
 				}
-			}, [&](const MTPDmessageMediaDocument &document) {
-				if (const auto inner = document.vdocument()) {
-					const auto document = owner->processDocument(*inner);
+			}, [&](const MTPDmessageMediaDocument &data) {
+				if (const auto inner = data.vdocument()) {
+					const auto document = owner->processDocument(
+						*inner,
+						data.valt_documents());
 					if (document->isAnimation()
 						|| document->isVideoFile()
 						|| document->isGifv()) {

Telegram/SourceFiles/data/components/sponsored_messages.cpp

@@ -346,7 +346,9 @@ void SponsoredMessages::append(
 			}, [&](const MTPDmessageMediaDocument &media) {
 				if (const auto tlDocument = media.vdocument()) {
 					tlDocument->match([&](const MTPDdocument &data) {
-						const auto d = history->owner().processDocument(data);
+						const auto d = history->owner().processDocument(
+							data,
+							media.valt_documents());
 						if (d->isVideoFile()
 							|| d->isSilentVideo()
 							|| d->isAnimation()

Telegram/SourceFiles/data/data_document.cpp

@@ -332,6 +332,8 @@ void DocumentData::setattributes(
 
 	validateLottieSticker();
 
+	auto wasVideoData = isVideoFile() ? std::move(_additional) : nullptr;
+
 	_videoPreloadPrefix = 0;
 	for (const auto &attribute : attributes) {
 		attribute.match([&](const MTPDdocumentAttributeImageSize &data) {
@@ -388,11 +390,21 @@ void DocumentData::setattributes(
 					: VideoDocument;
 				if (data.is_round_message()) {
 					_additional = std::make_unique<RoundData>();
-				} else if (const auto size = data.vpreload_prefix_size()) {
-					if (size->v > 0 && size->v < kMaxAllowedPreloadPrefix) {
-						_videoPreloadPrefix = size->v;
+				} else {
+					if (const auto size = data.vpreload_prefix_size()) {
+						if (size->v > 0
+							&& size->v < kMaxAllowedPreloadPrefix) {
+							_videoPreloadPrefix = size->v;
+						}
 					}
+					_additional = wasVideoData
+						? std::move(wasVideoData)
+						: std::make_unique<VideoData>();
+					video()->codec = qs(
+						data.vvideo_codec().value_or_empty());
 				}
+			} else if (type == VideoDocument && wasVideoData) {
+				_additional = std::move(wasVideoData);
 			} else if (const auto info = sticker()) {
 				info->type = StickerType::Webm;
 			}
@@ -511,6 +523,67 @@ void DocumentData::setattributes(
 	}
 }
 
+void DocumentData::setVideoQualities(const QVector<MTPDocument> &list) {
+	auto qualities = std::vector<not_null<DocumentData*>>();
+	qualities.reserve(list.size());
+	for (const auto &document : list) {
+		qualities.push_back(owner().processDocument(document));
+	}
+	setVideoQualities(std::move(qualities));
+}
+
+void DocumentData::setVideoQualities(
+		std::vector<not_null<DocumentData*>> qualities) {
+	const auto data = video();
+	if (!data) {
+		return;
+	}
+	auto count = int(qualities.size());
+	if (qualities.empty()) {
+		return;
+	}
+	const auto good = [&](not_null<DocumentData*> document) {
+		return document->isVideoFile()
+			&& !document->dimensions.isEmpty()
+			&& !document->inappPlaybackFailed()
+			&& document->useStreamingLoader()
+			&& document->canBeStreamed(nullptr);
+	};
+	ranges::sort(
+		qualities,
+		ranges::greater(),
+		&DocumentData::resolveVideoQuality);
+	for (auto i = 0; i != count - 1;) {
+		const auto my = qualities[i];
+		const auto next = qualities[i + 1];
+		const auto myQuality = my->resolveVideoQuality();
+		const auto nextQuality = next->resolveVideoQuality();
+		const auto myGood = good(my);
+		const auto nextGood = good(next);
+		if (!myGood || !nextGood || myQuality == nextQuality) {
+			const auto removeMe = !myGood
+				|| (nextGood && (my->size > next->size));
+			const auto from = i + (removeMe ? 1 : 2);
+			for (auto j = from; j != count; ++j) {
+				qualities[j - 1] = qualities[j];
+			}
+			--count;
+		} else {
+			++i;
+		}
+	}
+	if (!qualities[count - 1]->resolveVideoQuality()) {
+		--count;
+	}
+	qualities.erase(qualities.begin() + count, qualities.end());
+	data->qualities = std::move(qualities);
+}
+
+int DocumentData::resolveVideoQuality() const {
+	const auto size = isVideoFile() ? dimensions : QSize();
+	return size.isEmpty() ? 0 : std::min(size.width(), size.height());
+}
+
 void DocumentData::validateLottieSticker() {
 	if (type == FileDocument
 		&& hasMimeType(u"application/x-tgsticker"_q)) {
@@ -1384,6 +1457,16 @@ const RoundData *DocumentData::round() const {
 	return const_cast<DocumentData*>(this)->round();
 }
 
+VideoData *DocumentData::video() {
+	return isVideoFile()
+		? static_cast<VideoData*>(_additional.get())
+		: nullptr;
+}
+
+const VideoData *DocumentData::video() const {
+	return const_cast<DocumentData*>(this)->video();
+}
+
 bool DocumentData::hasRemoteLocation() const {
 	return (_dc != 0 && _access != 0);
 }

Telegram/SourceFiles/data/data_document.h

@@ -92,6 +92,11 @@ struct VoiceData : public DocumentAdditionalData {
 	char wavemax = 0;
 };
 
+struct VideoData : public DocumentAdditionalData {
+	QString codec;
+	std::vector<not_null<DocumentData*>> qualities;
+};
+
 using RoundData = VoiceData;
 
 namespace Serialize {
@@ -108,8 +113,11 @@ public:
 
 	void setattributes(
 		const QVector<MTPDocumentAttribute> &attributes);
+	void setVideoQualities(const QVector<MTPDocument> &list);
 
 	void automaticLoadSettingsChanged();
+	void setVideoQualities(std::vector<not_null<DocumentData*>> qualities);
+	[[nodiscard]] int resolveVideoQuality() const;
 
 	[[nodiscard]] bool loading() const;
 	[[nodiscard]] QString loadingFilePath() const;
@@ -161,6 +169,8 @@ public:
 	[[nodiscard]] const VoiceData *voice() const;
 	[[nodiscard]] RoundData *round();
 	[[nodiscard]] const RoundData *round() const;
+	[[nodiscard]] VideoData *video();
+	[[nodiscard]] const VideoData *video() const;
 
 	void forceIsStreamedAnimation();
 	[[nodiscard]] bool isVoiceMessage() const;

Telegram/SourceFiles/data/data_file_origin.cpp

@@ -87,6 +87,7 @@ struct FileReferenceAccumulator {
 			push(data.vphoto());
 		}, [&](const MTPDmessageMediaDocument &data) {
 			push(data.vdocument());
+			push(data.valt_documents());
 		}, [&](const MTPDmessageMediaWebPage &data) {
 			push(data.vwebpage());
 		}, [&](const MTPDmessageMediaGame &data) {

Telegram/SourceFiles/data/data_session.cpp

@@ -3139,17 +3139,24 @@ not_null<DocumentData*> Session::document(DocumentId id) {
 	return i->second.get();
 }
 
-not_null<DocumentData*> Session::processDocument(const MTPDocument &data) {
+not_null<DocumentData*> Session::processDocument(
+		const MTPDocument &data,
+		const MTPVector<MTPDocument> *qualities) {
 	return data.match([&](const MTPDdocument &data) {
-		return processDocument(data);
+		return processDocument(data, qualities);
 	}, [&](const MTPDdocumentEmpty &data) {
 		return document(data.vid().v);
 	});
 }
 
-not_null<DocumentData*> Session::processDocument(const MTPDdocument &data) {
+not_null<DocumentData*> Session::processDocument(
+		const MTPDdocument &data,
+		const MTPVector<MTPDocument> *qualities) {
 	const auto result = document(data.vid().v);
 	documentApplyFields(result, data);
+	if (qualities) {
+		result->setVideoQualities(qualities->v);
+	}
 	return result;
 }
 

Telegram/SourceFiles/data/data_session.h

@@ -558,8 +558,12 @@ public:
 		const ImageLocation &thumbnailLocation);
 
 	[[nodiscard]] not_null<DocumentData*> document(DocumentId id);
-	not_null<DocumentData*> processDocument(const MTPDocument &data);
-	not_null<DocumentData*> processDocument(const MTPDdocument &data);
+	not_null<DocumentData*> processDocument(
+		const MTPDocument &data,
+		const MTPVector<MTPDocument> *qualities = nullptr);
+	not_null<DocumentData*> processDocument(
+		const MTPDdocument &data,
+		const MTPVector<MTPDocument> *qualities = nullptr);
 	not_null<DocumentData*> processDocument(
 		const MTPdocument &data,
 		const ImageWithLocation &thumbnail);

Telegram/SourceFiles/data/data_stories.cpp

@@ -62,7 +62,9 @@ using UpdateFlag = StoryUpdate::Flag;
 	}, [&](const MTPDmessageMediaDocument &data)
 		-> std::optional<StoryMedia> {
 		if (const auto document = data.vdocument()) {
-			const auto result = owner->processDocument(*document);
+			const auto result = owner->processDocument(
+				*document,
+				data.valt_documents());
 			if (!result->isNull()
 				&& (result->isGifv() || result->isVideoFile())) {
 				result->setStoryMedia(true);

Telegram/SourceFiles/history/history_item.cpp

@@ -299,7 +299,9 @@ std::unique_ptr<Data::Media> HistoryItem::CreateMedia(
 		return document->match([&](const MTPDdocument &document) -> Result {
 			return std::make_unique<Data::MediaFile>(
 				item,
-				item->history()->owner().processDocument(document),
+				item->history()->owner().processDocument(
+					document,
+					media.valt_documents()),
 				media.is_nopremium(),
 				media.is_spoiler(),
 				media.vttl_seconds().value_or_empty());