From 34ddf0c18e6dd815d103552bf4013c41bd3a559c Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 9 Jun 2018 23:57:00 +0100
Subject: Fix bad parsing of ASS lines embedded into FFmpeg files and
 containing commas; backport of f3db6f37c85352ad7631078907439ce8ff151b3d.

---
 src/lib/ffmpeg_decoder.cc | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'src/lib/ffmpeg_decoder.cc')

diff --git a/src/lib/ffmpeg_decoder.cc b/src/lib/ffmpeg_decoder.cc
index ea41acf23..7b305ee15 100644
--- a/src/lib/ffmpeg_decoder.cc
+++ b/src/lib/ffmpeg_decoder.cc
@@ -678,16 +678,24 @@ FFmpegDecoder::decode_ass_subtitle (string ass, ContentTime from)
 	   produces a single format of Dialogue: lines...
 	*/
 
-	vector<string> bits;
-	split (bits, ass, is_any_of (","));
-	if (bits.size() < 10) {
+	int commas = 0;
+	string text;
+	for (size_t i = 0; i < ass.length(); ++i) {
+		if (commas < 9 && ass[i] == ',') {
+			++commas;
+		} else if (commas == 9) {
+			text += ass[i];
+		}
+	}
+
+	if (text.empty ()) {
 		return;
 	}
 
 	sub::RawSubtitle base;
 	list<sub::RawSubtitle> raw = sub::SSAReader::parse_line (
 		base,
-		bits[9],
+		text,
 		_ffmpeg_content->video->size().width,
 		_ffmpeg_content->video->size().height
 		);
-- 
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