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gl: retreive the gldisplay/app gl context as soon as possible

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fixes the usage of gst_gl_display_filter_gl_api
This commit is contained in:
Matthew Waters 2015-03-13 09:38:54 +00:00
parent e5debcaff4
commit 91b7642c48
5 changed files with 123 additions and 42 deletions
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38
ext/gl/gstglbasemixer.c
View file

@ -45,6 +45,8 @@ static void gst_gl_base_mixer_pad_finalize (GObject * object);
static void gst_gl_base_mixer_set_context (GstElement * element,
GstContext * context);
static GstStateChangeReturn gst_gl_base_mixer_change_state (GstElement *
element, GstStateChange transition);
enum
{
@ -280,6 +282,7 @@ gst_gl_base_mixer_class_init (GstGLBaseMixerClass * klass)
element_class->set_context =
GST_DEBUG_FUNCPTR (gst_gl_base_mixer_set_context);
element_class->change_state = gst_gl_base_mixer_change_state;
agg_class->sinkpads_type = GST_TYPE_GL_BASE_MIXER_PAD;
agg_class->sink_query = gst_gl_base_mixer_sink_query;
@ -692,3 +695,38 @@ gst_gl_base_mixer_stop (GstAggregator * agg)
return TRUE;
}
static GstStateChangeReturn
gst_gl_base_mixer_change_state (GstElement * element, GstStateChange transition)
{
GstGLBaseMixer *mix = GST_GL_BASE_MIXER (element);
GstGLBaseMixerClass *mix_class = GST_GL_BASE_MIXER_GET_CLASS (mix);
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GST_DEBUG_OBJECT (mix, "changing state: %s => %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!gst_gl_ensure_element_data (element, &mix->display,
&mix->priv->other_context))
return GST_STATE_CHANGE_FAILURE;
gst_gl_display_filter_gl_api (mix->display, mix_class->supported_gl_api);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
default:
break;
}
return ret;
}

12
ext/gl/gstglimagesink.c
View file

@ -610,12 +610,6 @@ _ensure_gl_setup (GstGLImageSink * gl_sink)
GST_DEBUG_OBJECT (gl_sink, "Ensuring setup");
if (!gst_gl_ensure_element_data (gl_sink, &gl_sink->display,
&gl_sink->other_context))
return FALSE;
gst_gl_display_filter_gl_api (gl_sink->display, SUPPORTED_GL_APIS);
if (!gl_sink->context) {
do {
GstGLContext *other_context;
@ -819,7 +813,11 @@ gst_glimage_sink_change_state (GstElement * element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
_ensure_gl_setup (glimage_sink);
if (!gst_gl_ensure_element_data (glimage_sink, &glimage_sink->display,
&glimage_sink->other_context))
return GST_STATE_CHANGE_FAILURE;
gst_gl_display_filter_gl_api (glimage_sink->display, SUPPORTED_GL_APIS);
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
g_atomic_int_set (&glimage_sink->to_quit, 0);

37
ext/gl/gstgltestsrc.c
View file

@ -92,6 +92,8 @@ static gboolean gst_gl_test_src_do_seek (GstBaseSrc * bsrc,
static gboolean gst_gl_test_src_query (GstBaseSrc * bsrc, GstQuery * query);
static void gst_gl_test_src_set_context (GstElement * element,
GstContext * context);
static GstStateChangeReturn gst_gl_test_src_change_state (GstElement * element,
GstStateChange transition);
static void gst_gl_test_src_get_times (GstBaseSrc * basesrc,
GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
@ -178,6 +180,7 @@ gst_gl_test_src_class_init (GstGLTestSrcClass * klass)
gst_static_pad_template_get (&src_factory));
element_class->set_context = gst_gl_test_src_set_context;
element_class->change_state = gst_gl_test_src_change_state;
gstbasesrc_class->set_caps = gst_gl_test_src_setcaps;
gstbasesrc_class->get_caps = gst_gl_test_src_getcaps;
@ -901,3 +904,37 @@ gst_gl_test_src_callback (gpointer stuff)
gst_buffer_unref (src->buffer);
src->buffer = NULL;
}
static GstStateChangeReturn
gst_gl_test_src_change_state (GstElement * element, GstStateChange transition)
{
GstGLTestSrc *src = GST_GL_TEST_SRC (element);
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GST_DEBUG_OBJECT (src, "changing state: %s => %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!gst_gl_ensure_element_data (element, &src->display,
&src->other_context))
return GST_STATE_CHANGE_FAILURE;
gst_gl_display_filter_gl_api (src->display, SUPPORTED_GL_APIS);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
default:
break;
}
return ret;
}

74
gst-libs/gst/gl/gstglbasefilter.c
View file

@ -49,7 +49,8 @@ enum
#define gst_gl_base_filter_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstGLBaseFilter, gst_gl_base_filter,
GST_TYPE_BASE_TRANSFORM, GST_DEBUG_CATEGORY_INIT (gst_gl_base_filter_debug,
"glbasefilter", 0, "glbasefilter element"););
"glbasefilter", 0, "glbasefilter element");
);
static void gst_gl_base_filter_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
@ -58,6 +59,8 @@ static void gst_gl_base_filter_get_property (GObject * object, guint prop_id,
static void gst_gl_base_filter_set_context (GstElement * element,
GstContext * context);
static GstStateChangeReturn gst_gl_base_filter_change_state (GstElement *
element, GstStateChange transition);
static gboolean gst_gl_base_filter_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query);
static void gst_gl_base_filter_reset (GstGLBaseFilter * filter);
@ -95,6 +98,7 @@ gst_gl_base_filter_class_init (GstGLBaseFilterClass * klass)
gst_gl_base_filter_propose_allocation;
element_class->set_context = gst_gl_base_filter_set_context;
element_class->change_state = gst_gl_base_filter_change_state;
g_object_class_install_property (gobject_class, PROP_CONTEXT,
g_param_spec_object ("context",
@ -191,24 +195,6 @@ _find_local_gl_context (GstGLBaseFilter * filter)
return FALSE;
}
static gboolean
_ensure_gl_setup (GstGLBaseFilter * filter)
{
GstGLBaseFilterClass *filter_class = GST_GL_BASE_FILTER_GET_CLASS (filter);
if (!gst_gl_ensure_element_data (filter, &filter->display,
&filter->priv->other_context)) {
return FALSE;
}
gst_gl_display_filter_gl_api (filter->display,
filter_class->supported_gl_api);
_find_local_gl_context (filter);
return TRUE;
}
static gboolean
gst_gl_base_filter_query (GstBaseTransform * trans, GstPadDirection direction,
GstQuery * query)
@ -221,8 +207,7 @@ gst_gl_base_filter_query (GstBaseTransform * trans, GstPadDirection direction,
{
if (direction == GST_PAD_SINK
&& gst_base_transform_is_passthrough (trans)) {
if (!_ensure_gl_setup (filter))
return FALSE;
_find_local_gl_context (filter);
return gst_pad_peer_query (GST_BASE_TRANSFORM_SRC_PAD (trans), query);
}
@ -303,16 +288,6 @@ gst_gl_base_filter_reset (GstGLBaseFilter * filter)
static gboolean
gst_gl_base_filter_start (GstBaseTransform * bt)
{
GstGLBaseFilter *filter = GST_GL_BASE_FILTER (bt);
GstGLBaseFilterClass *filter_class = GST_GL_BASE_FILTER_GET_CLASS (filter);
if (!gst_gl_ensure_element_data (filter, &filter->display,
&filter->priv->other_context))
return FALSE;
gst_gl_display_filter_gl_api (filter->display,
filter_class->supported_gl_api);
return TRUE;
}
@ -401,3 +376,40 @@ gst_gl_base_filter_propose_allocation (GstBaseTransform * trans,
{
return FALSE;
}
static GstStateChangeReturn
gst_gl_base_filter_change_state (GstElement * element,
GstStateChange transition)
{
GstGLBaseFilter *filter = GST_GL_BASE_FILTER (element);
GstGLBaseFilterClass *filter_class = GST_GL_BASE_FILTER_GET_CLASS (filter);
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GST_DEBUG_OBJECT (filter, "changing state: %s => %s",
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!gst_gl_ensure_element_data (element, &filter->display,
&filter->priv->other_context))
return GST_STATE_CHANGE_FAILURE;
gst_gl_display_filter_gl_api (filter->display,
filter_class->supported_gl_api);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
default:
break;
}
return ret;
}

4
gst-libs/gst/gl/gstglfilter.c
View file

@ -169,10 +169,6 @@ gst_gl_filter_start (GstBaseTransform * bt)
{
GstGLFilter *filter = GST_GL_FILTER (bt);
GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
GstGLDisplay *display = GST_GL_BASE_FILTER (bt)->display;
if (display)
gst_gl_display_filter_gl_api (display, filter_class->supported_gl_api);
if (filter_class->onStart)
filter_class->onStart (filter);