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From: Zhao Zhili <quinkblack-at-foxmail.com@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Zhao Zhili <zhilizhao@tencent.com>
Subject: [FFmpeg-devel] [PATCH] avcodec/decode: Fix avcodec parameters when bsfs are enable by decoder
Date: Thu,  6 Mar 2025 15:56:27 +0800
Message-ID: <tencent_7267E92A905315DC694B81E629108EA6C006@qq.com> (raw)

From: Zhao Zhili <zhilizhao@tencent.com>

BSF can update extradata, e.g., vvc_mp4toannexb. If we don't copy
bsf->par_out back to avcodec context, decoder can get extradata in
mp4 format, while packets are in annexb format.
---
 libavcodec/decode.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index c5a577f4f1..95b8c32502 100644
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -206,6 +206,9 @@ static int decode_bsfs_init(AVCodecContext *avctx)
         goto fail;
 
     ret = av_bsf_init(avci->bsf);
+    if (ret < 0)
+        goto fail;
+    ret = avcodec_parameters_to_context(avctx, avci->bsf->par_out);
     if (ret < 0)
         goto fail;
 
-- 
2.46.0

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             reply	other threads:[~2025-03-06  7:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-06  7:56 Zhao Zhili [this message]
2025-03-09  3:06 ` Andreas Rheinhardt
2025-03-09  3:41   ` Zhao Zhili

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