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libs: va: Add API to peek the va buffer's display.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3322>
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2 changed files with 27 additions and 0 deletions
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@ -2127,3 +2127,28 @@ gst_va_buffer_get_aux_surface (GstBuffer * buffer)
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return surface_buffer->surface;
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}
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/**
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* gst_va_buffer_peek_display:
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* @buffer: a #GstBuffer
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*
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* Returns: (type #GstVaDisplay) (transfer none): the display which this
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* @buffer belongs to. The reference of the display is unchanged.
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*
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* Since: 1.22
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*/
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GstVaDisplay *
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gst_va_buffer_peek_display (GstBuffer * buffer)
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{
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GstMemory *mem;
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if (!buffer)
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return NULL;
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mem = gst_buffer_peek_memory (buffer, 0);
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/* Buffer without mem, not VA kind memory. */
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if (!mem)
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return NULL;
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return gst_va_memory_peek_display (mem);
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}
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@ -132,5 +132,7 @@ GST_VA_API
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gboolean gst_va_buffer_create_aux_surface (GstBuffer * buffer);
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GST_VA_API
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VASurfaceID gst_va_buffer_get_aux_surface (GstBuffer * buffer);
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GST_VA_API
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GstVaDisplay * gst_va_buffer_peek_display (GstBuffer * buffer);
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G_END_DECLS
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