From 3cebd6d923b8fdfb538c156cb0c7e1ef91d009a1 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 27 Jan 2025 18:10:38 +0400
Subject: [PATCH] Fix deadlock in audio for notification repacking.

---
 Telegram/SourceFiles/ffmpeg/ffmpeg_bytes_io_wrap.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/ffmpeg/ffmpeg_bytes_io_wrap.h b/Telegram/SourceFiles/ffmpeg/ffmpeg_bytes_io_wrap.h
index 3899325f0..b7387ba97 100644
--- a/Telegram/SourceFiles/ffmpeg/ffmpeg_bytes_io_wrap.h
+++ b/Telegram/SourceFiles/ffmpeg/ffmpeg_bytes_io_wrap.h
@@ -21,7 +21,9 @@ struct ReadBytesWrap {
 		const auto toRead = std::min(
 			int64(buf_size),
 			wrap->size - wrap->offset);
-		if (toRead > 0) {
+		if (!toRead) {
+			return AVERROR_EOF;
+		} else if (toRead > 0) {
 			memcpy(buf, wrap->data + wrap->offset, toRead);
 			wrap->offset += toRead;
 		}