From 5de83ef30ca4ec203e01f67ff9ed40944d450118 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 27 Aug 2021 18:21:46 +0300
Subject: [PATCH] Fix assertion violation in profile video with zero file size.

---
 Telegram/SourceFiles/data/data_session.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Telegram/SourceFiles/data/data_session.cpp b/Telegram/SourceFiles/data/data_session.cpp
index 1068f1cb3d..0c28808fa7 100644
--- a/Telegram/SourceFiles/data/data_session.cpp
+++ b/Telegram/SourceFiles/data/data_session.cpp
@@ -2619,13 +2619,14 @@ void Session::photoApplyFields(
 		}
 		const auto area = [](const MTPVideoSize &size) {
 			return size.match([](const MTPDvideoSize &data) {
-				return data.vw().v * data.vh().v;
+				return data.vsize().v ? (data.vw().v * data.vh().v) : 0;
 			});
 		};
-		return *ranges::max_element(
+		const auto result = *ranges::max_element(
 			sizes->v,
 			std::greater<>(),
 			area);
+		return (area(result) > 0) ? std::make_optional(result) : std::nullopt;
 	};
 	const auto useProgressive = (progressive != sizes.end());
 	const auto large = useProgressive