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plugins: provide at least two buffers in sink pool

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Adds two buffers as the default value of minimum buffer.

This would be used when creating and proposing vaapi bufferpool for
sink pad, hence the upstream element will keep, at least, these two
buffers.

https://bugzilla.gnome.org/show_bug.cgi?id=775203

Signed-off-by: Víctor Manuel Jáquez Leal <victorx.jaquez@intel.com>
This commit is contained in:
Hyunjun Ko 2017-01-10 15:15:31 +09:00 committed by Víctor Manuel Jáquez Leal
parent 58e7b575bb
commit bca2b1680b
1 changed files with 6 additions and 2 deletions
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8
gst/vaapi/gstvaapipluginbase.c
View file

@ -34,6 +34,8 @@
/* Default debug category is from the subclass */ /* Default debug category is from the subclass */
#define GST_CAT_DEFAULT (plugin->debug_category) #define GST_CAT_DEFAULT (plugin->debug_category)
#define BUFFER_POOL_SINK_MIN_BUFFERS 2
/* GstVideoContext interface */ /* GstVideoContext interface */
static void static void
plugin_set_display (GstVaapiPluginBase * plugin, GstVaapiDisplay * display) plugin_set_display (GstVaapiPluginBase * plugin, GstVaapiDisplay * display)
@ -714,7 +716,9 @@ ensure_sinkpad_buffer_pool (GstVaapiPluginBase * plugin, GstCaps * caps)
if (!ensure_sinkpad_allocator (plugin, caps, &size)) if (!ensure_sinkpad_allocator (plugin, caps, &size))
return FALSE; return FALSE;
pool = gst_vaapi_plugin_base_create_pool (plugin, caps, size, 0, 0, pool =
gst_vaapi_plugin_base_create_pool (plugin, caps, size,
BUFFER_POOL_SINK_MIN_BUFFERS, 0,
GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META, plugin->sinkpad_allocator); GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META, plugin->sinkpad_allocator);
if (!pool) if (!pool)
return FALSE; return FALSE;
@ -789,7 +793,7 @@ gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
if (!ensure_sinkpad_buffer_pool (plugin, caps)) if (!ensure_sinkpad_buffer_pool (plugin, caps))
return FALSE; return FALSE;
gst_query_add_allocation_pool (query, plugin->sinkpad_buffer_pool, gst_query_add_allocation_pool (query, plugin->sinkpad_buffer_pool,
plugin->sinkpad_buffer_size, 0, 0); plugin->sinkpad_buffer_size, BUFFER_POOL_SINK_MIN_BUFFERS, 0);
gst_query_add_allocation_param (query, plugin->sinkpad_allocator, NULL); gst_query_add_allocation_param (query, plugin->sinkpad_allocator, NULL);
} }