Hi!
For large jpeg files, EOI may never be seen by the probe function
but several jpeg tags are correctly identified.
Please comment, Carl Eugen
From 1abe53bf7826b23f5aca7b5b6108e6d309b21b86 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceho...@ag.or.at>
Date: Sun, 1 Jan 2017 14:35:21 +0100
Subject: [PATCH] lavf/img2dec: Increase detection score of jpgs without EOI.
Also increases the score for large jpeg files.
Fixes autodetection for the file from mpv issue 3973.
---
libavformat/img2dec.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
index c8d7031..8967630 100644
--- a/libavformat/img2dec.c
+++ b/libavformat/img2dec.c
@@ -755,6 +755,8 @@ static int jpeg_probe(AVProbeData *p)
if (state == EOI)
return AVPROBE_SCORE_EXTENSION + 1;
+ if (state == SOS)
+ return AVPROBE_SCORE_EXTENSION - 1;
return AVPROBE_SCORE_EXTENSION / 8;
}
--
1.7.10.4
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