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From: James Almer <jamrial@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Date: Sat, 26 Apr 2025 22:41:41 -0300
Message-ID: <20250427014141.1211-1-jamrial@gmail.com>
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Subject: [FFmpeg-devel] [PATCH 2/2] avcodec/decode: sync side_data_pref_mask
across worker threads
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side_data_pref_mask is set during ff_decode_preinit() and then never copied to
worker threads. As such, any decoder calling one of the side data helpers that
rely on side_data_pref() in frame threaded scenarios will ignore the user set
list of side data types.
Signed-off-by: James Almer <jamrial@gmail.com>
---
libavcodec/decode.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index c2b2dd6e3b..20e99b3ffb 100644
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -2209,6 +2209,7 @@ void ff_decode_internal_sync(AVCodecContext *dst, const AVCodecContext *src)
const DecodeContext *src_dc = decode_ctx(src->internal);
DecodeContext *dst_dc = decode_ctx(dst->internal);
+ dst_dc->side_data_pref_mask = src_dc->side_data_pref_mask;
av_refstruct_replace(&dst_dc->lcevc, src_dc->lcevc);
}
--
2.49.0
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