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From: Manuel Lauss <manuel.lauss@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Date: Thu,  1 May 2025 11:57:59 +0200
Message-ID: <20250501095801.68542-2-manuel.lauss@gmail.com>
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Subject: [FFmpeg-devel] [PATCH 1/3] avcodec/sanm: ignore codec48 compression
 type 6
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Some videos of "StarWars - Making Magic" have this subcompression
type: data just consists of the 16 byte codec48 header; the DOS player
simply treats it like nothing to do.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
---
 libavcodec/sanm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/sanm.c b/libavcodec/sanm.c
index 6b1da2e30c..e436b5ab8e 100644
--- a/libavcodec/sanm.c
+++ b/libavcodec/sanm.c
@@ -1586,7 +1586,8 @@ static int old_codec48(SANMVideoContext *ctx, int width, int height)
             return AVERROR_INVALIDDATA;
         codec47_comp1(ctx, dst, width, height, width);
         break;
-
+    case 6:	/* in some videos, but does nothing */
+        break;
     default:
         avpriv_report_missing_feature(ctx->avctx,
                                       "Subcodec 48 compression %d", compr);
-- 
2.49.0

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