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testsrcbin: Add an 'expose-sources-async' property

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Which allows simluating usual source which require decoding etc in decodebin for example

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3007>
This commit is contained in:
Thibault Saunier 2020-11-19 18:34:00 -03:00 committed by GStreamer Marge Bot
parent 04f036edc4
commit 7f34b5610f
2 changed files with 132 additions and 28 deletions
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12
subprojects/gst-plugins-bad/docs/plugins/gst_plugins_cache.json
View file

@ -11045,6 +11045,18 @@
}
},
"properties": {
"expose-sources-async": {
"blurb": " Whether to expose sources at random time to simulate a source that is reading a file and exposing the srcpads later.",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": false,
"default": "false",
"mutable": "null",
"readable": true,
"type": "gboolean",
"writable": true
},
"stream-types": {
"blurb": "String describing the stream types to expose, eg. \"video+audio\".",
"conditionally-available": false,

148
subprojects/gst-plugins-bad/gst/debugutils/gsttestsrcbin.c
View file

@ -77,12 +77,15 @@ struct _GstTestSrcBin
gint group_id;
GstFlowCombiner *flow_combiner;
GstCaps *streams_def;
GstCaps *next_streams_def;
gboolean expose_sources_async;
};
enum
{
PROP_0,
PROP_STREAM_TYPES,
PROP_EXPOSE_SOURCES_ASYNC,
PROP_LAST
};
@ -350,32 +353,28 @@ gst_test_check_prev_stream_def (GstTestSrcBin * self, GstCaps * prev_streams,
}
static gboolean
gst_test_src_bin_uri_handler_set_uri (GstURIHandler * handler,
const gchar * uri, GError ** error)
gst_test_src_bin_create_sources (GstTestSrcBin * self)
{
GstTestSrcBin *self = GST_TEST_SRC_BIN (handler);
gchar *tmp, *location = gst_uri_get_location (uri);
gint i, n_audio = 0, n_video = 0;
GstStreamCollection *collection = gst_stream_collection_new (NULL);
GstCaps *streams_def, *prev_streams = self->streams_def;
GstCaps *streams_def, *prev_streams_def;
for (tmp = location; *tmp != '\0'; tmp++)
if (*tmp == '+')
*tmp = ';';
streams_def = gst_caps_from_string (location);
g_free (location);
if (!streams_def)
goto failed;
GST_OBJECT_LOCK (self);
streams_def = self->next_streams_def;
prev_streams_def = self->streams_def;
self->next_streams_def = NULL;
self->streams_def = NULL;
GST_OBJECT_UNLOCK (self);
self->group_id = gst_util_group_id_next ();
for (i = 0; i < gst_caps_get_size (streams_def); i++) {
GstStream *stream;
GstStructure *stream_def = gst_caps_get_structure (streams_def, i);
GstStructure *stream_def =
gst_caps_get_structure (streams_def, i);
if ((stream =
gst_test_check_prev_stream_def (self, prev_streams, stream_def))) {
gst_test_check_prev_stream_def (self, prev_streams_def,
stream_def))) {
GST_INFO_OBJECT (self,
"Reusing already existing stream: %" GST_PTR_FORMAT, stream_def);
gst_stream_collection_add_stream (collection, stream);
@ -396,33 +395,83 @@ gst_test_src_bin_uri_handler_set_uri (GstURIHandler * handler,
GST_ERROR_OBJECT (self, "Unknown type %s",
gst_structure_get_name (stream_def));
}
self->streams_def = streams_def;
if (prev_streams) {
for (i = 0; i < gst_caps_get_size (prev_streams); i++) {
GstStructure *prev_stream = gst_caps_get_structure (prev_streams, i);
if (prev_streams_def) {
for (i = 0; i < gst_caps_get_size (prev_streams_def); i++) {
GstStructure *prev_stream = gst_caps_get_structure (prev_streams_def, i);
GstElement *child;
gst_structure_get (prev_stream, "__src__", GST_TYPE_OBJECT, &child, NULL);
gst_test_src_bin_remove_child (GST_ELEMENT (self), child);
}
gst_clear_caps (&prev_streams);
gst_clear_caps (&prev_streams_def);
}
if (!n_video && !n_audio)
if (!n_video && !n_audio) {
GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND,
("No audio or video stream defined."), (NULL));
goto failed;
}
GST_OBJECT_LOCK (self);
self->streams_def = streams_def;
GST_OBJECT_UNLOCK (self);
self->uri = g_strdup (uri);
gst_element_post_message (GST_ELEMENT (self),
gst_message_new_stream_collection (GST_OBJECT (self), collection));
gst_element_no_more_pads (GST_ELEMENT (self));
return TRUE;
failed:
return FALSE;
}
static gboolean
gst_test_src_bin_uri_handler_set_uri (GstURIHandler * handler,
const gchar * uri, GError ** error)
{
GstTestSrcBin *self = GST_TEST_SRC_BIN (handler);
gchar *tmp, *location = gst_uri_get_location (uri);
GstCaps *streams_def;
for (tmp = location; *tmp != '\0'; tmp++)
if (*tmp == '+')
*tmp = ';';
streams_def = gst_caps_from_string (location);
g_free (location);
if (!streams_def)
goto failed;
GST_OBJECT_LOCK (self);
gst_clear_caps (&self->next_streams_def);
self->next_streams_def = streams_def;
g_free (self->uri);
self->uri = g_strdup (uri);
if (GST_STATE (self) >= GST_STATE_PAUSED) {
if (self->expose_sources_async) {
GST_OBJECT_UNLOCK (self);
gst_element_call_async (GST_ELEMENT (self),
(GstElementCallAsyncFunc) gst_test_src_bin_create_sources,
NULL, NULL);
} else {
GST_OBJECT_UNLOCK (self);
gst_test_src_bin_create_sources (self);
}
} else {
GST_OBJECT_UNLOCK (self);
}
return TRUE;
failed:
if (error)
*error =
g_error_new_literal (GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"No media type specified in the testbin:// URL.");
return FALSE;
}
@ -461,6 +510,13 @@ gst_test_src_bin_set_property (GObject * object, guint prop_id,
g_free (uri);
break;
}
case PROP_EXPOSE_SOURCES_ASYNC:
{
GST_OBJECT_LOCK (self);
self->expose_sources_async = g_value_get_boolean (value);
GST_OBJECT_UNLOCK (self);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -485,6 +541,13 @@ gst_test_src_bin_get_property (GObject * object, guint prop_id, GValue * value,
}
break;
}
case PROP_EXPOSE_SOURCES_ASYNC:
{
GST_OBJECT_LOCK (self);
g_value_set_boolean (value, self->expose_sources_async);
GST_OBJECT_UNLOCK (self);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -497,6 +560,21 @@ gst_test_src_bin_change_state (GstElement * element, GstStateChange transition)
GstTestSrcBin *self = GST_TEST_SRC_BIN (element);
GstStateChangeReturn result = GST_STATE_CHANGE_FAILURE;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:{
if (self->expose_sources_async) {
gst_element_call_async (element,
(GstElementCallAsyncFunc) gst_test_src_bin_create_sources,
NULL, NULL);
} else {
gst_test_src_bin_create_sources (self);
}
break;
}
default:
break;
}
result =
GST_ELEMENT_CLASS (gst_test_src_bin_parent_class)->change_state (element,
transition);
@ -540,7 +618,7 @@ gst_test_src_bin_class_init (GstTestSrcBinClass * klass)
gobject_class->set_property = gst_test_src_bin_set_property;
/**
* GstTestSrcBin::stream-types:
* GstTestSrcBin:stream-types:
*
* String describing the stream types to expose, eg. "video+audio".
*/
@ -549,6 +627,20 @@ gst_test_src_bin_class_init (GstTestSrcBinClass * klass)
"String describing the stream types to expose, eg. \"video+audio\".",
NULL, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
/**
* GstTestSrcBin:expose-sources-async:
*
* Whether to expose sources at random time to simulate a source that is
* reading a file and exposing the srcpads later.
*
* Since: 1.20
*/
g_object_class_install_property (gobject_class, PROP_EXPOSE_SOURCES_ASYNC,
g_param_spec_boolean ("expose-sources-async", "Expose Sources Async",
" Whether to expose sources at random time to simulate a source that is"
" reading a file and exposing the srcpads later.",
FALSE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
gstelement_klass->change_state =
GST_DEBUG_FUNCPTR (gst_test_src_bin_change_state);
gst_element_class_add_pad_template (gstelement_klass,