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vaapivideobufferpool: validate returned meta

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Validate if the meta returned by gst_buffer_get_vaapi_video_meta() in
the acquired buffer is not null.

This situation should be very "pathological", but still it is better
be safe since that meta might be used later to create a new dma
buffer.
This commit is contained in:
Víctor Manuel Jáquez Leal 2020-01-24 11:55:22 +01:00
parent 89f202ea2e
commit 0815899121
1 changed files with 5 additions and 2 deletions
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7
gst/vaapi/gstvaapivideobufferpool.c
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@ -440,8 +440,11 @@ gst_vaapi_video_buffer_pool_acquire_buffer (GstBufferPool * pool,
/* Update the underlying surface proxy */
meta = gst_buffer_get_vaapi_video_meta (buffer);
if (meta)
gst_vaapi_video_meta_set_surface_proxy (meta, priv_params->proxy);
if (!meta) {
*out_buffer_ptr = buffer;
return GST_FLOW_ERROR;
}
gst_vaapi_video_meta_set_surface_proxy (meta, priv_params->proxy);
/* Find the cached memory associated with the given surface. */
surface = GST_VAAPI_SURFACE_PROXY_SURFACE (priv_params->proxy);