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gl*mixer: Use propose_allocation from the GstAggregator base class

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=782918
This commit is contained in:
Olivier Crête 2017-05-21 15:30:10 +02:00
parent 431dc9720a
commit 1a2df0400d
4 changed files with 34 additions and 80 deletions
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75
ext/gl/gstglbasemixer.c
View file

@ -58,11 +58,6 @@ struct _GstGLBaseMixerPrivate
gboolean negotiated;
GstGLContext *other_context;
GstBufferPool *pool;
GstAllocator *allocator;
GstAllocationParams params;
GstQuery *query;
};
G_DEFINE_TYPE (GstGLBaseMixerPad, gst_gl_base_mixer_pad,
@ -105,13 +100,6 @@ gst_gl_base_mixer_pad_set_property (GObject * object, guint prop_id,
}
}
static gboolean
_default_propose_allocation (GstGLBaseMixer * mix, GstGLBaseMixerPad * pad,
GstQuery * decide_query, GstQuery * query)
{
return TRUE;
}
static gboolean
gst_gl_base_mixer_sink_event (GstAggregator * agg, GstAggregatorPad * bpad,
GstEvent * event)
@ -210,53 +198,27 @@ context_error:
}
}
static gboolean
gst_gl_base_mixer_propose_allocation (GstAggregator * agg,
GstAggregatorPad * aggpad, GstQuery * decide_query, GstQuery * query)
{
GstGLBaseMixer *mix = GST_GL_BASE_MIXER (agg);
if (!_get_gl_context (mix))
return FALSE;
return TRUE;
}
static gboolean
gst_gl_base_mixer_sink_query (GstAggregator * agg, GstAggregatorPad * bpad,
GstQuery * query)
{
gboolean ret = FALSE;
GstGLBaseMixer *mix = GST_GL_BASE_MIXER (agg);
GstGLBaseMixerClass *mix_class = GST_GL_BASE_MIXER_GET_CLASS (mix);
GstGLBaseMixerPad *pad = GST_GL_BASE_MIXER_PAD (bpad);
GST_TRACE ("QUERY %" GST_PTR_FORMAT, query);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ALLOCATION:
{
GstQuery *decide_query = NULL;
GST_OBJECT_LOCK (mix);
if (G_UNLIKELY (!pad->negotiated)) {
GST_DEBUG_OBJECT (mix,
"not negotiated yet, can't answer ALLOCATION query");
GST_OBJECT_UNLOCK (mix);
return FALSE;
}
if ((decide_query = mix->priv->query))
gst_query_ref (decide_query);
GST_OBJECT_UNLOCK (mix);
if (!_get_gl_context (mix))
return FALSE;
GST_DEBUG_OBJECT (mix,
"calling propose allocation with query %" GST_PTR_FORMAT,
decide_query);
/* pass the query to the propose_allocation vmethod if any */
if (mix_class->propose_allocation)
ret = mix_class->propose_allocation (mix, pad, decide_query, query);
else
ret = FALSE;
if (decide_query)
gst_query_unref (decide_query);
GST_DEBUG_OBJECT (mix, "ALLOCATION ret %d, %" GST_PTR_FORMAT, ret, query);
return ret;
}
case GST_QUERY_CONTEXT:
{
if (gst_gl_handle_context_query ((GstElement *) mix, query,
@ -335,8 +297,7 @@ gst_gl_base_mixer_class_init (GstGLBaseMixerClass * klass)
agg_class->stop = gst_gl_base_mixer_stop;
agg_class->start = gst_gl_base_mixer_start;
agg_class->decide_allocation = gst_gl_base_mixer_decide_allocation;
klass->propose_allocation = _default_propose_allocation;
agg_class->propose_allocation = gst_gl_base_mixer_propose_allocation;
g_object_class_install_property (gobject_class, PROP_CONTEXT,
g_param_spec_object ("context",
@ -500,16 +461,6 @@ gst_gl_base_mixer_stop (GstAggregator * agg)
{
GstGLBaseMixer *mix = GST_GL_BASE_MIXER (agg);
if (mix->priv->query) {
gst_query_unref (mix->priv->query);
mix->priv->query = NULL;
}
if (mix->priv->pool) {
gst_object_unref (mix->priv->pool);
mix->priv->pool = NULL;
}
if (mix->context) {
gst_object_unref (mix->context);
mix->context = NULL;

2
ext/gl/gstglbasemixer.h
View file

@ -91,8 +91,6 @@ struct _GstGLBaseMixerClass
GstVideoAggregatorClass parent_class;
GstGLAPI supported_gl_api;
gboolean (*propose_allocation) (GstGLBaseMixer * mix, GstGLBaseMixerPad * pad, GstQuery * decide_query, GstQuery *query);
gpointer _padding[GST_PADDING];
};

19
ext/gl/gstglmixer.c
View file

@ -131,17 +131,25 @@ _find_best_format (GstVideoAggregator * vagg, GstCaps * downstream_caps,
}
static gboolean
gst_gl_mixer_propose_allocation (GstGLBaseMixer * base_mix,
GstGLBaseMixerPad * base_pad, GstQuery * decide_query, GstQuery * query)
gst_gl_mixer_propose_allocation (GstAggregator * agg,
GstAggregatorPad * agg_pad, GstQuery * decide_query, GstQuery * query)
{
GstGLMixer *mix = GST_GL_MIXER (base_mix);
GstGLContext *context = base_mix->context;
GstGLMixer *mix = GST_GL_MIXER (agg);
GstGLBaseMixer *base_mix = GST_GL_BASE_MIXER (agg);
GstGLContext *context;
GstBufferPool *pool = NULL;
GstStructure *config;
GstCaps *caps;
guint size = 0;
gboolean need_pool;
if (!GST_AGGREGATOR_CLASS (gst_gl_mixer_parent_class)->propose_allocation
(agg, agg_pad, decide_query, query))
return FALSE;
context = base_mix->context;
gst_query_parse_allocation (query, &caps, &need_pool);
if (caps == NULL)
@ -347,7 +355,6 @@ gst_gl_mixer_class_init (GstGLMixerClass * klass)
GstVideoAggregatorClass *videoaggregator_class =
(GstVideoAggregatorClass *) klass;
GstAggregatorClass *agg_class = (GstAggregatorClass *) klass;
GstGLBaseMixerClass *mix_class = GST_GL_BASE_MIXER_CLASS (klass);;
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "glmixer", 0, "OpenGL mixer");
@ -368,11 +375,11 @@ gst_gl_mixer_class_init (GstGLMixerClass * klass)
agg_class->start = gst_gl_mixer_start;
agg_class->negotiated_src_caps = _negotiated_caps;
agg_class->decide_allocation = gst_gl_mixer_decide_allocation;
agg_class->propose_allocation = gst_gl_mixer_propose_allocation;
videoaggregator_class->aggregate_frames = gst_gl_mixer_aggregate_frames;
videoaggregator_class->find_best_format = _find_best_format;
mix_class->propose_allocation = gst_gl_mixer_propose_allocation;
/* Register the pad class */
g_type_class_ref (GST_TYPE_GL_MIXER_PAD);

18
ext/gl/gstglvideomixer.c
View file

@ -455,9 +455,8 @@ static void gst_gl_video_mixer_get_property (GObject * object, guint prop_id,
static GstCaps *_update_caps (GstVideoAggregator * vagg, GstCaps * caps);
static GstCaps *_fixate_caps (GstAggregator * agg, GstCaps * caps);
static gboolean gst_gl_video_mixer_propose_allocation (GstGLBaseMixer *
base_mix, GstGLBaseMixerPad * base_pad, GstQuery * decide_query,
GstQuery * query);
static gboolean gst_gl_video_mixer_propose_allocation (GstAggregator *
agg, GstAggregatorPad * agg_pad, GstQuery * decide_query, GstQuery * query);
static void gst_gl_video_mixer_reset (GstGLMixer * mixer);
static gboolean gst_gl_video_mixer_init_shader (GstGLMixer * mixer,
GstCaps * outcaps);
@ -849,7 +848,6 @@ gst_gl_video_mixer_class_init (GstGLVideoMixerClass * klass)
GstElementClass *element_class;
GstAggregatorClass *agg_class = (GstAggregatorClass *) klass;
GstVideoAggregatorClass *vagg_class = (GstVideoAggregatorClass *) klass;
GstGLBaseMixerClass *mix_class = GST_GL_BASE_MIXER_CLASS (klass);
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
@ -872,12 +870,12 @@ gst_gl_video_mixer_class_init (GstGLVideoMixerClass * klass)
GST_GL_MIXER_CLASS (klass)->process_textures =
gst_gl_video_mixer_process_textures;
vagg_class->update_caps = _update_caps;
agg_class->sinkpads_type = GST_TYPE_GL_VIDEO_MIXER_PAD;
agg_class->fixate_src_caps = _fixate_caps;
mix_class->propose_allocation = gst_gl_video_mixer_propose_allocation;
agg_class->propose_allocation = gst_gl_video_mixer_propose_allocation;
GST_GL_BASE_MIXER_CLASS (klass)->supported_gl_api =
GST_GL_API_OPENGL | GST_GL_API_OPENGL3 | GST_GL_API_GLES2;
@ -923,11 +921,11 @@ gst_gl_video_mixer_get_property (GObject * object, guint prop_id,
}
static gboolean
gst_gl_video_mixer_propose_allocation (GstGLBaseMixer * base_mix,
GstGLBaseMixerPad * base_pad, GstQuery * decide_query, GstQuery * query)
gst_gl_video_mixer_propose_allocation (GstAggregator * agg,
GstAggregatorPad * agg_pad, GstQuery * decide_query, GstQuery * query)
{
if (!GST_GL_BASE_MIXER_CLASS (parent_class)->propose_allocation (base_mix,
base_pad, decide_query, query))
if (!GST_AGGREGATOR_CLASS (parent_class)->propose_allocation (agg,
agg_pad, decide_query, query))
return FALSE;
gst_query_add_allocation_meta (query,