From 846cabeda546a9fa89b45c5ee07d6ecad6e33e8c Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Thu, 20 Jan 2022 18:15:08 +0300
Subject: [PATCH] Premultiply YUVA alpha in FFMpegReaderImplementation.

---
 Telegram/SourceFiles/media/clip/media_clip_ffmpeg.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/media/clip/media_clip_ffmpeg.cpp b/Telegram/SourceFiles/media/clip/media_clip_ffmpeg.cpp
index 553b1d6dae..2cfb6f4d08 100644
--- a/Telegram/SourceFiles/media/clip/media_clip_ffmpeg.cpp
+++ b/Telegram/SourceFiles/media/clip/media_clip_ffmpeg.cpp
@@ -240,7 +240,7 @@ bool FFMpegReaderImplementation::renderFrame(QImage &to, bool &hasAlpha, const Q
 		int toLinesize[AV_NUM_DATA_POINTERS] = { int(to.bytesPerLine()), 0 };
 		sws_scale(_swsContext, _frame->data, _frame->linesize, 0, _frame->height, toData, toLinesize);
 	}
-	if (bgra) {
+	if (hasAlpha) {
 		FFmpeg::PremultiplyInplace(to);
 	}
 	if (_rotation != Rotation::None) {