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wpe: Make forwarded messages layout more like GstBinForwaded messages

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Making it look more like how we do this kind of things in other places.

See: https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2252#note_927653
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2273>
This commit is contained in:
Thibault Saunier 2021-05-25 23:58:27 -04:00
parent f29e75d1da
commit da150c18bb
3 changed files with 61 additions and 51 deletions
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69
ext/wpe/WPEThreadedView.cpp
View file

@ -167,12 +167,16 @@ initialize_web_extensions (WebKitWebContext *context)
static void
webkit_extension_gerror_msg_received (GstWpeSrc *src, GVariant *params)
{
GstMessage *message;
const gchar *message_type, *src_path, *error_domain, *msg, *debug_str, *details_str;
GstStructure *structure;
GstMessage *forwarded;
const gchar *src_path, *src_type, *src_name, *error_domain, *msg, *debug_str, *details_str;
gint message_type;
guint32 error_code;
g_variant_get (params, "(sssusss)",
g_variant_get (params, "(issssusss)",
&message_type,
&src_type,
&src_name,
&src_path,
&error_domain,
&error_code,
@ -188,37 +192,44 @@ webkit_extension_gerror_msg_received (GstWpeSrc *src, GVariant *params)
debug_str, src_path
);
if (!details)
details = gst_structure_new_empty("wpesrcdetails");
gst_structure_set(details,
"wpesrc_original_src_path", G_TYPE_STRING, src_path,
NULL);
if (!g_strcmp0(message_type, "error")) {
message =
if (message_type == GST_MESSAGE_ERROR) {
forwarded =
gst_message_new_error_with_details(GST_OBJECT(src), error,
our_message, details);
} else if (!g_strcmp0(message_type, "warning")) {
message =
} else if (message_type == GST_MESSAGE_WARNING) {
forwarded =
gst_message_new_warning_with_details(GST_OBJECT(src), error,
our_message, details);
} else {
message =
forwarded =
gst_message_new_info_with_details(GST_OBJECT(src), error, our_message, details);
}
structure = gst_structure_new ("WpeForwarded",
"message", GST_TYPE_MESSAGE, forwarded,
"wpe-original-src-name", G_TYPE_STRING, src_name,
"wpe-original-src-type", G_TYPE_STRING, src_type,
"wpe-original-src-path", G_TYPE_STRING, src_path,
NULL
);
g_free (our_message);
gst_element_post_message(GST_ELEMENT(src), message);
gst_element_post_message(GST_ELEMENT(src), gst_message_new_custom(GST_MESSAGE_ELEMENT,
GST_OBJECT(src), structure));
g_error_free(error);
gst_message_unref (forwarded);
}
static void
webkit_extension_bus_message_received (GstWpeSrc *src, GVariant *params)
{
GstStructure *structure;
const gchar *message_type, *src_name, *src_type, *src_path, *struct_str;
GstStructure *original_structure, *structure;
const gchar *src_name, *src_type, *src_path, *struct_str;
GstMessageType message_type;
GstMessage *forwarded;
g_variant_get (params, "(sssss)",
g_variant_get (params, "(issss)",
&message_type,
&src_name,
&src_type,
@ -226,23 +237,29 @@ webkit_extension_bus_message_received (GstWpeSrc *src, GVariant *params)
&struct_str
);
structure = (struct_str[0] != '\0') ? gst_structure_new_from_string(struct_str) : NULL;
if (!structure)
original_structure = (struct_str[0] != '\0') ? gst_structure_new_from_string(struct_str) : NULL;
if (!original_structure)
{
if (struct_str[0] != '\0')
GST_ERROR_OBJECT(src, "Could not deserialize: %s", struct_str);
structure = gst_structure_new_empty("wpesrc");
original_structure = gst_structure_new_empty("wpesrc");
}
gst_structure_set(structure,
"wpesrc_original_message_type", G_TYPE_STRING, message_type,
"wpesrc_original_src_name", G_TYPE_STRING, src_name,
"wpesrc_original_src_type", G_TYPE_STRING, src_type,
"wpesrc_original_src_path", G_TYPE_STRING, src_path,
NULL);
forwarded = gst_message_new_custom(message_type,
GST_OBJECT (src), original_structure);
structure = gst_structure_new ("WpeForwarded",
"message", GST_TYPE_MESSAGE, forwarded,
"wpe-original-src-name", G_TYPE_STRING, src_name,
"wpe-original-src-type", G_TYPE_STRING, src_type,
"wpe-original-src-path", G_TYPE_STRING, src_path,
NULL
);
gst_element_post_message(GST_ELEMENT(src), gst_message_new_custom(GST_MESSAGE_ELEMENT,
GST_OBJECT(src), structure));
gst_message_unref (forwarded);
}
static gboolean

33
ext/wpe/gstwpesrcbin.cpp
View file

@ -24,11 +24,11 @@
* The wpesrc element is used to produce a video texture representing a web page
* rendered off-screen by WPE.
*
* Starting from WPEBackend-FDO 1.6.x, software rendering support is available. This
* features allows wpesrc to be used on machines without GPU, and/or for testing
* purpose. To enable it, set the `LIBGL_ALWAYS_SOFTWARE=true` environment
* variable and make sure `video/x-raw, format=BGRA` caps are negotiated by the
* wpesrc element.
* Starting from WPEBackend-FDO 1.6.x, software rendering support is available.
* This features allows wpesrc to be used on machines without GPU, and/or for
* testing purpose. To enable it, set the `LIBGL_ALWAYS_SOFTWARE=true`
* environment variable and make sure `video/x-raw, format=BGRA` caps are
* negotiated by the wpesrc element.
*
* ## Example launch lines
*
@ -68,25 +68,16 @@
* source pads.
*
* This source also relays GStreamer bus messages from the GStreamer pipelines
* running inside the web pages. Error, warning and info messages are made ours
* with the addition of the following fields into the GstMessage details (See
* gst_message_parse_error_details(), gst_message_parse_warning_details() and
* gst_message_parse_info_details()):
* running inside the web pages as [element custom](gst_message_new_custom)
* messages which structure is called `WpeForwarded` and has the following
* fields:
*
* * `wpesrc_original_src_path`: [Path](gst_object_get_path_string) of the
* original element posting the message
*
* Other message types are posted as [element custom](gst_message_new_custom)
* messages reusing the same GstStructure as the one from the message from the
* message posted in the web page with the addition of the following fields:
*
* * `wpesrc_original_message_type`: Type of the original message from
* gst_message_type_get_name().
* * `wpesrc_original_src_name`: Name of the original element posting the
* * `message`: The original #GstMessage
* * `wpesrc-original-src-name`: Name of the original element posting the
* message
* * `wpesrc_original_src_type`: Name of the GType of the original element
* * `wpesrc-original-src-type`: Name of the GType of the original element
* posting the message
* * `wpesrc_original_src_path`: [Path](gst_object_get_path_string) of the
* * `wpesrc-original-src-path`: [Path](gst_object_get_path_string) of the
* original element positing the message
*
* Note: This feature will be disabled if you disable the tracer subsystem.

10
ext/wpe/wpe-extension/gstwpebusmsgforwarder.c
View file

@ -64,8 +64,10 @@ create_gerror_bus_msg (GstElement * element, GstMessage * message)
msg = webkit_user_message_new ("gstwpe.bus_gerror_message",
/* (message_type, src_path, error_domain, error_code, msg, debug_str, details_structure) */
g_variant_new ("(sssusss)",
gst_message_type_get_name (GST_MESSAGE_TYPE (message)),
g_variant_new ("(issssusss)",
GST_MESSAGE_TYPE (message),
GST_MESSAGE_SRC_NAME (message),
G_OBJECT_TYPE_NAME (GST_MESSAGE_SRC (message)),
src_path,
g_quark_to_string (error->domain),
error->code, error->message, debug_str, details_structure)
@ -144,8 +146,8 @@ gst_message_post_cb (GObject * object, GstClockTime ts, GstElement * element,
} else {
gchar *src_path = gst_object_get_path_string (GST_MESSAGE_SRC (message));
msg = webkit_user_message_new ("gstwpe.bus_message",
g_variant_new ("(sssss)",
gst_message_type_get_name (GST_MESSAGE_TYPE (message)),
g_variant_new ("(issss)",
GST_MESSAGE_TYPE (message),
GST_MESSAGE_SRC_NAME (message),
G_OBJECT_TYPE_NAME (GST_MESSAGE_SRC (message)), src_path, str));
g_free (src_path);