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plugins: cache VASurfaces from dmabufs

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This patch avoids the creation of a VASurface each time a new input buffer is
processed, caching them in the input buffer itself.

https://bugzilla.gnome.org/show_bug.cgi?id=765435
This commit is contained in:
Víctor Manuel Jáquez Leal 2016-05-31 08:26:33 +02:00
parent 73d1228896
commit 8292acfdd4
1 changed files with 25 additions and 5 deletions
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30
gst/vaapi/gstvaapipluginbase.c
View file

@ -145,6 +145,21 @@ default_display_changed (GstVaapiPluginBase * plugin)
{
}
static GstVaapiSurface *
_get_cached_surface (GstBuffer * buf)
{
return gst_mini_object_get_qdata (GST_MINI_OBJECT (buf),
g_quark_from_static_string ("GstVaapiDMABufSurface"));
}
static void
_set_cached_surface (GstBuffer * buf, GstVaapiSurface * surface)
{
return gst_mini_object_set_qdata (GST_MINI_OBJECT (buf),
g_quark_from_static_string ("GstVaapiDMABufSurface"), surface,
(GDestroyNotify) gst_vaapi_object_unref);
}
static gboolean
plugin_update_sinkpad_info_from_buffer (GstVaapiPluginBase * plugin,
GstBuffer * buf)
@ -205,13 +220,18 @@ plugin_bind_dma_to_vaapi_buffer (GstVaapiPluginBase * plugin,
meta = gst_buffer_get_vaapi_video_meta (outbuf);
g_return_val_if_fail (meta != NULL, FALSE);
surface =
gst_vaapi_surface_new_with_dma_buf_handle (plugin->display, fd, vip);
if (!surface)
goto error_create_surface;
/* Check for a VASurface cached in the buffer */
surface = _get_cached_surface (inbuf);
if (!surface) {
/* otherwise create one and cache it */
surface =
gst_vaapi_surface_new_with_dma_buf_handle (plugin->display, fd, vip);
if (!surface)
goto error_create_surface;
_set_cached_surface (inbuf, surface);
}
proxy = gst_vaapi_surface_proxy_new (surface);
gst_vaapi_object_unref (surface);
if (!proxy)
goto error_create_proxy;