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pbutils: Missing plugin messages can contain the stream-id

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In order to help users and applications, allow setting the stream-id for which
there is a missing plugin.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6886>
This commit is contained in:
Edward Hervey 2024-05-21 10:53:50 +02:00 committed by GStreamer Marge Bot
parent 96cf3d7063
commit c987eaa427
4 changed files with 84 additions and 0 deletions
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31
girs/GstPbutils-1.0.gir
View file

@ -4763,6 +4763,37 @@ installation mechanisms using one of the two above-mentioned functions.</doc>
</parameter>
</parameters>
</function>
<function name="missing_plugin_message_get_stream_id" c:identifier="gst_missing_plugin_message_get_stream_id" version="1.26">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.c">Get the stream-id of the stream for which an element is missing.</doc>
<source-position filename="../subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.h"/>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.c">The stream-id or %NULL if none is specified.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<parameter name="msg" transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.c">A missing-plugin #GstMessage of type #GST_MESSAGE_ELEMENT</doc>
<type name="Gst.Message" c:type="GstMessage*"/>
</parameter>
</parameters>
</function>
<function name="missing_plugin_message_set_stream_id" c:identifier="gst_missing_plugin_message_set_stream_id" version="1.26">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.c">Set the stream-id of the stream for which an element is missing.</doc>
<source-position filename="../subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.h"/>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="msg" transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.c">A missing-plugin #GstMessage of type #GST_MESSAGE_ELEMENT</doc>
<type name="Gst.Message" c:type="GstMessage*"/>
</parameter>
<parameter name="stream_id" transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.c">The stream id for which an element is missing</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
</parameters>
</function>
<function name="missing_uri_sink_installer_detail_new" c:identifier="gst_missing_uri_sink_installer_detail_new">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.c">Returns an opaque string containing all the details about the missing
element to be passed to an external installer called via

43
subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.c
View file

@ -518,6 +518,49 @@ error:
}
}
/**
* gst_missing_plugin_message_set_stream_id:
* @msg: A missing-plugin #GstMessage of type #GST_MESSAGE_ELEMENT
* @stream_id: The stream id for which an element is missing
*
* Set the stream-id of the stream for which an element is missing.
*
* Since: 1.26
*/
void
gst_missing_plugin_message_set_stream_id (GstMessage * msg,
const gchar * stream_id)
{
const GstStructure *structure;
g_return_if_fail (gst_is_missing_plugin_message (msg));
structure = gst_message_get_structure (msg);
gst_structure_set ((GstStructure *) structure, "stream-id", G_TYPE_STRING,
stream_id, NULL);
}
/**
* gst_missing_plugin_message_get_stream_id:
* @msg: A missing-plugin #GstMessage of type #GST_MESSAGE_ELEMENT
*
* Get the stream-id of the stream for which an element is missing.
*
* Since: 1.26
*
* Returns: (nullable): The stream-id or %NULL if none is specified.
*/
const gchar *
gst_missing_plugin_message_get_stream_id (GstMessage * msg)
{
const GstStructure *structure;
g_return_val_if_fail (gst_is_missing_plugin_message (msg), NULL);
structure = gst_message_get_structure (msg);
return gst_structure_get_string (structure, "stream-id");
}
/**
* gst_missing_plugin_message_get_description:
* @msg: a missing-plugin #GstMessage of type #GST_MESSAGE_ELEMENT

7
subprojects/gst-plugins-base/gst-libs/gst/pbutils/missing-plugins.h
View file

@ -49,6 +49,13 @@ GST_PBUTILS_API
GstMessage * gst_missing_encoder_message_new (GstElement * element,
const GstCaps * encode_caps);
GST_PBUTILS_API
void gst_missing_plugin_message_set_stream_id(GstMessage *msg,
const gchar *stream_id);
GST_PBUTILS_API
const gchar *gst_missing_plugin_message_get_stream_id (GstMessage *msg);
/*
* functions for use by applications when dealing with missing-plugin messages
*/

3
subprojects/gst-plugins-base/tests/check/libs/pbutils.c
View file

@ -199,6 +199,7 @@ GST_START_TEST (test_pb_utils_post_missing_messages)
msg = gst_missing_decoder_message_new (pipeline, caps);
fail_unless (msg != NULL);
fail_unless_equals_int (GST_MESSAGE_TYPE (msg), GST_MESSAGE_ELEMENT);
gst_missing_plugin_message_set_stream_id (msg, "teststreamid");
fail_unless (gst_message_get_structure (msg) != NULL);
s = gst_message_get_structure (msg);
fail_unless (gst_structure_has_name (s, "missing-plugin"));
@ -207,6 +208,8 @@ GST_START_TEST (test_pb_utils_post_missing_messages)
fail_unless (gst_structure_has_field_typed (s, "detail", GST_TYPE_CAPS));
fail_unless (gst_structure_has_field_typed (s, "name", G_TYPE_STRING));
fail_unless (gst_structure_get_string (s, "name") != NULL);
fail_unless_equals_string (gst_missing_plugin_message_get_stream_id (msg),
"teststreamid");
missing_msg_check_getters (msg);
gst_message_unref (msg);