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xvimagesink: improve allocation query

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If the allocation query contains the same caps as the current allocator, we can
return that one instead of making a new one.
This commit is contained in:
Wim Taymans 2011-05-19 15:55:53 +02:00
parent 0b3272108c
commit f66c6ced56
1 changed files with 34 additions and 12 deletions
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46
sys/xvimage/xvimagesink.c
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@ -1694,6 +1694,7 @@ gst_xvimagesink_setcaps (GstBaseSink * bsink, GstCaps * caps)
oldpool = xvimagesink->pool;
xvimagesink->pool = newpool;
g_mutex_unlock (xvimagesink->flow_lock);
/* unref the old sink */
if (oldpool) {
@ -1701,7 +1702,6 @@ gst_xvimagesink_setcaps (GstBaseSink * bsink, GstCaps * caps)
gst_buffer_pool_set_active (oldpool, FALSE);
gst_object_unref (oldpool);
}
g_mutex_unlock (xvimagesink->flow_lock);
return TRUE;
@ -1973,30 +1973,50 @@ gst_xvimagesink_sink_query (GstPad * sinkpad, GstQuery * query)
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ALLOCATION:
{
GstBufferPool *pool;
GstStructure *config;
GstCaps *caps;
gboolean need_pool;
GstBufferPool *pool = NULL;
guint size;
GstVideoFormat format;
gint width, height;
gboolean need_pool;
gst_query_parse_allocation (query, &caps, &need_pool);
if (caps == NULL)
goto no_caps;
if (!gst_video_format_parse_caps (caps, &format, &width, &height))
goto invalid_caps;
g_mutex_lock (xvimagesink->flow_lock);
if ((pool = xvimagesink->pool))
gst_object_ref (pool);
g_mutex_unlock (xvimagesink->flow_lock);
/* the normal size of a frame */
size = gst_video_format_get_size (format, width, height);
if (pool != NULL) {
const GstCaps *pcaps;
if (need_pool) {
GstStructure *config;
/* we had a pool, check caps */
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get (config, &pcaps, &size, NULL, NULL, NULL,
NULL, NULL);
/* create a new pool for the new configuration */
if (!gst_caps_is_equal (caps, pcaps)) {
GST_DEBUG_OBJECT (xvimagesink, "pool has different caps");
/* different caps, we can't use this pool */
gst_object_unref (pool);
pool = NULL;
}
}
if (pool == NULL && need_pool) {
GstVideoFormat format;
gint width, height;
GST_DEBUG_OBJECT (xvimagesink, "create new pool");
pool = gst_xvimage_buffer_pool_new (xvimagesink);
if (!gst_video_format_parse_caps (caps, &format, &width, &height))
goto invalid_caps;
/* the normal size of a frame */
size = gst_video_format_get_size (format, width, height);
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set (config, caps, size, 0, 0, 0, 0, 16);
if (!gst_buffer_pool_set_config (pool, config))
@ -2006,6 +2026,8 @@ gst_xvimagesink_sink_query (GstPad * sinkpad, GstQuery * query)
/* we also support various metadata */
gst_query_add_allocation_meta (query, GST_META_API_VIDEO);
gst_object_unref (pool);
break;
}
default: