[FFmpeg-devel] [PATCH] Fixing rare dshow input crash

Roger Pack rogerdpack2 at gmail.com
Wed Jan 29 09:03:53 EET 2020


Good catch.
Or maybe this?

diff --git a/libavdevice/dshow.c b/libavdevice/dshow.c
index d7f5bd7..96e4374 100644
--- a/libavdevice/dshow.c
+++ b/libavdevice/dshow.c
@@ -453,6 +453,7 @@ next:
         if (type->pbFormat)
             CoTaskMemFree(type->pbFormat);
         CoTaskMemFree(type);
+        type = NULL;
     }
 end:
     IAMStreamConfig_Release(config);

On Thu, Sep 5, 2019 at 2:56 PM Alexey Potakhov <alex at potahov.com> wrote:
>
> re-sending without tabs.
>
> On Wed, Sep 4, 2019 at 6:22 PM Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> >
> > Am Do., 5. Sept. 2019 um 00:08 Uhr schrieb Alexey Potakhov <alex at potahov.com>:
> >
> > > In some rare cases when IAMStreamConfig_GetStreamCaps returns
> > > an error avformat_open_input() crashes with access violation.
> >
> > Tabs are rejected by our repository, please remove them and resend.
> >
> > Carl Eugen
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