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

[Paul B Mahol]

Please incorporate this change in previous bigger patch. It is ready for merge.

On 1/29/20, Roger Pack <rogerdpack2 at gmail.com> wrote:
> 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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