[PATCH v2 1/5] winegstreamer: Stop creating the filter if gstreamer fails to render.

[Andrew Eikum]

Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>

On Thu, Feb 22, 2018 at 09:06:13AM -0600, Zebediah Figura wrote:
> Otherwise the push_data() thread will run and try to use resources we
> never allocated.
> 
> Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
> ---
>  dlls/winegstreamer/gstdemux.c | 28 ++++++++++++++--------------
>  1 file changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/dlls/winegstreamer/gstdemux.c b/dlls/winegstreamer/gstdemux.c
> index a19c64f..b48648c 100644
> --- a/dlls/winegstreamer/gstdemux.c
> +++ b/dlls/winegstreamer/gstdemux.c
> @@ -1103,7 +1103,6 @@ static void unknown_type(GstElement *bin, GstPad *pad, GstCaps *caps, gpointer u
>  static HRESULT GST_Connect(GSTInPin *pPin, IPin *pConnectPin, ALLOCATOR_PROPERTIES *props)
>  {
>      GSTImpl *This = (GSTImpl*)pPin->pin.pinInfo.pFilter;
> -    HRESULT hr;
>      int ret, i;
>      LONGLONG avail, duration;
>      GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE(
> @@ -1163,19 +1162,20 @@ static HRESULT GST_Connect(GSTInPin *pPin, IPin *pConnectPin, ALLOCATOR_PROPERTI
>      WaitForSingleObject(This->event, -1);
>      gst_element_get_state(This->container, NULL, NULL, -1);
>  
> -    if (!This->cStreams) {
> +    if (!This->cStreams)
> +    {
>          FIXME("GStreamer could not find any streams\n");
> -        hr = E_FAIL;
> -    } else {
> -        gst_pad_query_duration(This->ppPins[0]->their_src, GST_FORMAT_TIME, &duration);
> -        for (i = 0; i < This->cStreams; ++i) {
> -            This->ppPins[i]->seek.llDuration = This->ppPins[i]->seek.llStop = duration / 100;
> -            This->ppPins[i]->seek.llCurrent = 0;
> -            if (!This->ppPins[i]->seek.llDuration)
> -                This->ppPins[i]->seek.dwCapabilities = 0;
> -            WaitForSingleObject(This->ppPins[i]->caps_event, -1);
> -        }
> -        hr = S_OK;
> +        return E_FAIL;
> +    }
> +
> +    gst_pad_query_duration(This->ppPins[0]->their_src, GST_FORMAT_TIME, &duration);
> +    for (i = 0; i < This->cStreams; ++i)
> +    {
> +        This->ppPins[i]->seek.llDuration = This->ppPins[i]->seek.llStop = duration / 100;
> +        This->ppPins[i]->seek.llCurrent = 0;
> +        if (!This->ppPins[i]->seek.llDuration)
> +            This->ppPins[i]->seek.dwCapabilities = 0;
> +        WaitForSingleObject(This->ppPins[i]->caps_event, INFINITE);
>      }
>      *props = This->props;
>  
> @@ -1191,7 +1191,7 @@ static HRESULT GST_Connect(GSTInPin *pPin, IPin *pConnectPin, ALLOCATOR_PROPERTI
>      gst_pad_set_active(This->my_src, 1);
>  
>      This->nextofs = This->nextpullofs = 0;
> -    return hr;
> +    return S_OK;
>  }
>  
>  static inline GSTOutPin *impl_from_IMediaSeeking( IMediaSeeking *iface )
> -- 
> 2.7.4
> 
> 
>