[PR] [release/7.1] avformat/demux: use io_close2 when closing avformat (PR #23639)

PR #23639 opened by Jan Ekström (jeeb)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23639
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23639.patch

It's not valid to call avio_close() on context that has not been open
with avio_open().

This fixes use of custom IO. (io_open / io_close2 callbacks)

Note that by default io_close2 is set to io_close2_default() which calls
avio_close(), so default case will work the same as before.

Signed-off-by: Kacper Michajłow <[email protected]>
Reviewed-by: Andreas Rheinhardt <[email protected]>
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit 1a7e802c8f970e76807f08c3d3fb3513ae5a4882)

# Summary of changes

Briefly describe what this PR does and why.

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From 998de74adf861c26df557e220996faa959419549 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <[email protected]>
Date: Sat, 17 May 2025 05:50:28 +0200
Subject: [PATCH] avformat/demux: use io_close2 when closing avfromat
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

It's not valid to call avio_close() on context that has not been open
with avio_open().

This fixes use of custom IO. (io_open / io_close2 callbacks)

Note that by default io_close2 is set to io_close2_default() which calls
avio_close(), so default case will work the same as before.

Signed-off-by: Kacper Michajłow <[email protected]>
Reviewed-by: Andreas Rheinhardt <[email protected]>
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit 1a7e802c8f970e76807f08c3d3fb3513ae5a4882)
---
 libavformat/demux.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavformat/demux.c b/libavformat/demux.c
index df4fc3461e..9be5651f76 100644
--- a/libavformat/demux.c
+++ b/libavformat/demux.c
@@ -389,11 +389,10 @@ void avformat_close_input(AVFormatContext **ps)
         if (ffifmt(s->iformat)->read_close)
             ffifmt(s->iformat)->read_close(s);
 
+    ff_format_io_close(s, &pb);
     avformat_free_context(s);
 
     *ps = NULL;
-
-    avio_close(pb);
 }
 
 static void force_codec_ids(AVFormatContext *s, AVStream *st)
-- 
2.52.0

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