Since the muxer author hasn't made the change, the patch is submitted.
Reference:
http://www.ffmpeg.org/pipermail/ffmpeg-devel/2018-April/228602.html
From 79f87ff264c2989193d5e59da8c5cf285940aa50 Mon Sep 17 00:00:00 2001
From: Gyan Doshi <ffm...@gyani.pro>
Date: Sat, 5 May 2018 17:04:53 +0530
Subject: [PATCH] avformat/segafilmenc - set keyframe bit correctly
As per
https://web.archive.org/web/20020803104640/http://www.pcisys.net:80/~melanson/codecs/film-format.txt,
the top bit of the info1 chunk is set as 1 for inter-coded frames and 0
otherwise.
---
libavformat/segafilmenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/segafilmenc.c b/libavformat/segafilmenc.c
index 5b0d7e69e8..524230e461 100644
--- a/libavformat/segafilmenc.c
+++ b/libavformat/segafilmenc.c
@@ -69,7 +69,7 @@ static int film_write_packet_to_header(AVFormatContext
*format_context, FILMPack
info1 = pkt->pts;
info2 = pkt->duration;
/* The top bit being set indicates a key frame */
- if (pkt->keyframe)
+ if (!pkt->keyframe)
info1 |= (1 << 31);
}
--
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