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plugins: don't reallocate pool allocator for the same caps.

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If the video buffer pool config doesn't have new caps, then it's not
necessary to reinstantiate the allocator. That could be a costly
operation as we could do some extra heavy checking in there.
This commit is contained in:
Gwenole Beauchesne 2013-07-12 17:47:07 +02:00
parent c82a1bc0ff
commit 5e18a5b1bd
1 changed files with 9 additions and 4 deletions
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5
gst/vaapi/gstvaapivideobufferpool.c
View file

@ -38,6 +38,7 @@ enum {
}; };
struct _GstVaapiVideoBufferPoolPrivate { struct _GstVaapiVideoBufferPoolPrivate {
GstCaps *caps;
GstAllocator *allocator; GstAllocator *allocator;
GstVaapiDisplay *display; GstVaapiDisplay *display;
guint has_video_meta : 1; guint has_video_meta : 1;
@ -58,6 +59,7 @@ gst_vaapi_video_buffer_pool_finalize(GObject *object)
gst_vaapi_display_replace(&priv->display, NULL); gst_vaapi_display_replace(&priv->display, NULL);
g_clear_object(&priv->allocator); g_clear_object(&priv->allocator);
gst_caps_replace(&priv->caps, NULL);
} }
static void static void
@ -118,10 +120,13 @@ gst_vaapi_video_buffer_pool_set_config(GstBufferPool *pool,
if (!caps) if (!caps)
goto error_no_caps; goto error_no_caps;
if (!priv->caps || !gst_caps_is_equal(priv->caps, caps)) {
g_clear_object(&priv->allocator); g_clear_object(&priv->allocator);
priv->allocator = gst_vaapi_video_allocator_new(priv->display, caps); priv->allocator = gst_vaapi_video_allocator_new(priv->display, caps);
if (!priv->allocator) if (!priv->allocator)
goto error_create_allocator; goto error_create_allocator;
gst_caps_replace(&priv->caps, caps);
}
if (!gst_buffer_pool_config_has_option(config, if (!gst_buffer_pool_config_has_option(config,
GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META)) GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META))