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glbasemixer: Use aggregator for allocation handling

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=746529
This commit is contained in:
Olivier Crête 2017-05-20 17:30:06 +02:00
parent 4a571db4c7
commit d456da5cbf
1 changed files with 4 additions and 117 deletions
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121
ext/gl/gstglbasemixer.c
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@ -31,8 +31,6 @@
#define gst_gl_base_mixer_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE (GstGLBaseMixer, gst_gl_base_mixer,
GST_TYPE_VIDEO_AGGREGATOR);
static gboolean gst_gl_base_mixer_do_bufferpool (GstGLBaseMixer * mix,
GstCaps * outcaps);
#define GST_CAT_DEFAULT gst_gl_base_mixer_debug
GST_DEBUG_CATEGORY (gst_gl_base_mixer_debug);
@ -107,17 +105,6 @@ gst_gl_base_mixer_pad_set_property (GObject * object, guint prop_id,
}
}
static gboolean
_negotiated_caps (GstAggregator * agg, GstCaps * caps)
{
GstGLBaseMixer *mix = GST_GL_BASE_MIXER (agg);
if (!gst_gl_base_mixer_do_bufferpool (mix, caps))
return FALSE;
return GST_AGGREGATOR_CLASS (parent_class)->negotiated_src_caps (agg, caps);
}
static gboolean
_default_propose_allocation (GstGLBaseMixer * mix, GstGLBaseMixerPad * pad,
GstQuery * decide_query, GstQuery * query)
@ -316,11 +303,8 @@ static void gst_gl_base_mixer_set_property (GObject * object, guint prop_id,
static void gst_gl_base_mixer_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_gl_base_mixer_decide_allocation (GstGLBaseMixer * mix,
static gboolean gst_gl_base_mixer_decide_allocation (GstAggregator * agg,
GstQuery * query);
static gboolean gst_gl_base_mixer_set_allocation (GstGLBaseMixer * mix,
GstBufferPool * pool, GstAllocator * allocator,
GstAllocationParams * params, GstQuery * query);
static void
gst_gl_base_mixer_class_init (GstGLBaseMixerClass * klass)
@ -350,7 +334,7 @@ gst_gl_base_mixer_class_init (GstGLBaseMixerClass * klass)
agg_class->src_activate = gst_gl_base_mixer_src_activate_mode;
agg_class->stop = gst_gl_base_mixer_stop;
agg_class->start = gst_gl_base_mixer_start;
agg_class->negotiated_src_caps = _negotiated_caps;
agg_class->decide_allocation = gst_gl_base_mixer_decide_allocation;
klass->propose_allocation = _default_propose_allocation;
@ -468,8 +452,9 @@ gst_gl_base_mixer_src_query (GstAggregator * agg, GstQuery * query)
}
static gboolean
gst_gl_base_mixer_decide_allocation (GstGLBaseMixer * mix, GstQuery * query)
gst_gl_base_mixer_decide_allocation (GstAggregator * agg, GstQuery * query)
{
GstGLBaseMixer *mix = GST_GL_BASE_MIXER (agg);
GstGLBaseMixerClass *mix_class = GST_GL_BASE_MIXER_GET_CLASS (mix);
if (!_get_gl_context (mix))
@ -482,104 +467,6 @@ gst_gl_base_mixer_decide_allocation (GstGLBaseMixer * mix, GstQuery * query)
return TRUE;
}
/* takes ownership of the pool, allocator and query */
static gboolean
gst_gl_base_mixer_set_allocation (GstGLBaseMixer * mix,
GstBufferPool * pool, GstAllocator * allocator,
GstAllocationParams * params, GstQuery * query)
{
GstAllocator *oldalloc;
GstBufferPool *oldpool;
GstQuery *oldquery;
GstGLBaseMixerPrivate *priv = mix->priv;
GST_DEBUG ("storing allocation query");
GST_OBJECT_LOCK (mix);
oldpool = priv->pool;
priv->pool = pool;
oldalloc = priv->allocator;
priv->allocator = allocator;
oldquery = priv->query;
priv->query = query;
if (params)
priv->params = *params;
else
gst_allocation_params_init (&priv->params);
GST_OBJECT_UNLOCK (mix);
if (oldpool) {
GST_DEBUG_OBJECT (mix, "deactivating old pool %p", oldpool);
gst_buffer_pool_set_active (oldpool, FALSE);
gst_object_unref (oldpool);
}
if (oldalloc) {
gst_object_unref (oldalloc);
}
if (oldquery) {
gst_query_unref (oldquery);
}
return TRUE;
}
static gboolean
gst_gl_base_mixer_do_bufferpool (GstGLBaseMixer * mix, GstCaps * outcaps)
{
GstQuery *query;
gboolean result = TRUE;
GstBufferPool *pool = NULL;
GstAllocator *allocator;
GstAllocationParams params;
GstAggregator *agg = GST_AGGREGATOR (mix);
/* find a pool for the negotiated caps now */
GST_DEBUG_OBJECT (mix, "doing allocation query");
query = gst_query_new_allocation (outcaps, TRUE);
if (!gst_pad_peer_query (agg->srcpad, query)) {
/* not a problem, just debug a little */
GST_DEBUG_OBJECT (mix, "peer ALLOCATION query failed");
}
GST_DEBUG_OBJECT (mix, "calling decide_allocation");
result = gst_gl_base_mixer_decide_allocation (mix, query);
GST_DEBUG_OBJECT (mix, "ALLOCATION (%d) params: %" GST_PTR_FORMAT, result,
query);
if (!result)
goto no_decide_allocation;
/* we got configuration from our peer or the decide_allocation method,
* parse them */
if (gst_query_get_n_allocation_params (query) > 0) {
gst_query_parse_nth_allocation_param (query, 0, &allocator, &params);
} else {
allocator = NULL;
gst_allocation_params_init (&params);
}
if (gst_query_get_n_allocation_pools (query) > 0)
gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL);
/* now store */
result =
gst_gl_base_mixer_set_allocation (mix, pool, allocator, &params, query);
return result;
/* Errors */
no_decide_allocation:
{
GST_WARNING_OBJECT (mix, "Failed to decide allocation");
gst_query_unref (query);
return result;
}
}
static void
gst_gl_base_mixer_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)