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mpeg2dec: Add comment explaining why we first chain up to the parent class' decide_allocation

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Sebastian Dröge 2012-06-25 09:43:53 +02:00
parent a7aa984d67
commit 7c99d37ad6
1 changed files with 2 additions and 0 deletions
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2
ext/mpeg2dec/gstmpeg2dec.c
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@ -269,6 +269,8 @@ gst_mpeg2dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
if (allocator) if (allocator)
gst_allocator_unref (allocator); gst_allocator_unref (allocator);
/* Now chain up to the parent class to guarantee that we can
* get a buffer pool from the query */
if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder, if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder,
query)) query))
return FALSE; return FALSE;