ffmpeg | branch: master | Manuel Lauss <manuel.la...@gmail.com> | Tue Mar  4 
18:07:17 2025 +0100| [114e9864e14d8fcd44a7c6f5c7d302764d7607b5] | committer: 
Michael Niedermayer

avcodec/sanm: ignore unknown codecs in FOBJs

Don't error out, just ignore unknown codec numbers and pretend
decode succeeded.  This is useful for older LucasArts titles
which stack a lot of different FOBJs with different codecs into
a single frame.

Signed-off-by: Manuel Lauss <manuel.la...@gmail.com>
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=114e9864e14d8fcd44a7c6f5c7d302764d7607b5
---

 libavcodec/sanm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/sanm.c b/libavcodec/sanm.c
index c30095ed32..a4f0a28c7c 100644
--- a/libavcodec/sanm.c
+++ b/libavcodec/sanm.c
@@ -1274,7 +1274,8 @@ static int process_frame_obj(SANMVideoContext *ctx)
         return old_codec48(ctx, w, h);
     default:
         avpriv_request_sample(ctx->avctx, "Subcodec %d", codec);
-        return AVERROR_PATCHWELCOME;
+        ctx->frame->flags |= AV_FRAME_FLAG_CORRUPT;
+        return 0;
     }
 }
 

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