diff options
Diffstat (limited to 'WebCore/platform/graphics/gstreamer/DataSourceGStreamer.cpp')
| -rw-r--r-- | WebCore/platform/graphics/gstreamer/DataSourceGStreamer.cpp | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/WebCore/platform/graphics/gstreamer/DataSourceGStreamer.cpp b/WebCore/platform/graphics/gstreamer/DataSourceGStreamer.cpp deleted file mode 100644 index 5a94fd4..0000000 --- a/WebCore/platform/graphics/gstreamer/DataSourceGStreamer.cpp +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Copyright (C) 2009 Igalia S.L - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "config.h" -#include "DataSourceGStreamer.h" -#if USE(GSTREAMER) - -#include <gio/gio.h> -#include <glib.h> -#include <gst/gst.h> -#include <gst/pbutils/missing-plugins.h> - -static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS_ANY); - -GST_DEBUG_CATEGORY_STATIC(webkit_data_src_debug); -#define GST_CAT_DEFAULT webkit_data_src_debug - -static void webkit_data_src_uri_handler_init(gpointer g_iface, - gpointer iface_data); - -static void webkit_data_src_finalize(WebkitDataSrc* src); -static GstStateChangeReturn webkit_data_src_change_state(GstElement* element, - GstStateChange transition); - -static const GInterfaceInfo urihandler_info = { - webkit_data_src_uri_handler_init, - 0, 0 -}; - - -static void _do_init(GType datasrc_type) -{ - GST_DEBUG_CATEGORY_INIT(webkit_data_src_debug, "webkit_data_src", 0, "datasrc element"); - g_type_add_interface_static(datasrc_type, GST_TYPE_URI_HANDLER, - &urihandler_info); -} - -GST_BOILERPLATE_FULL(WebkitDataSrc, webkit_data_src, GstBin, GST_TYPE_BIN, _do_init); - -static void webkit_data_src_base_init(gpointer klass) -{ - GstElementClass* element_class = GST_ELEMENT_CLASS(klass); - - gst_element_class_add_pad_template(element_class, - gst_static_pad_template_get(&src_template)); - gst_element_class_set_details_simple(element_class, (gchar*) "WebKit data source element", - (gchar*) "Source", - (gchar*) "Handles data: uris", - (gchar*) "Philippe Normand <pnormand@igalia.com>"); - -} - -static void webkit_data_src_class_init(WebkitDataSrcClass* klass) -{ - GObjectClass* oklass = G_OBJECT_CLASS(klass); - GstElementClass* eklass = GST_ELEMENT_CLASS(klass); - - oklass->finalize = (GObjectFinalizeFunc) webkit_data_src_finalize; - eklass->change_state = webkit_data_src_change_state; -} - - -static gboolean webkit_data_src_reset(WebkitDataSrc* src) -{ - GstPad* targetpad; - - if (src->kid) { - gst_element_set_state(src->kid, GST_STATE_NULL); - gst_bin_remove(GST_BIN(src), src->kid); - } - - src->kid = gst_element_factory_make("giostreamsrc", "streamsrc"); - if (!src->kid) { - GST_ERROR_OBJECT(src, "Failed to create giostreamsrc"); - return FALSE; - } - - gst_bin_add(GST_BIN(src), src->kid); - - targetpad = gst_element_get_static_pad(src->kid, "src"); - gst_ghost_pad_set_target(GST_GHOST_PAD(src->pad), targetpad); - gst_object_unref(targetpad); - - return TRUE; -} - -static void webkit_data_src_init(WebkitDataSrc* src, - WebkitDataSrcClass* g_class) -{ - GstPadTemplate* pad_template = gst_static_pad_template_get(&src_template); - src->pad = gst_ghost_pad_new_no_target_from_template("src", - pad_template); - - gst_element_add_pad(GST_ELEMENT(src), src->pad); - - webkit_data_src_reset(src); -} - -static void webkit_data_src_finalize(WebkitDataSrc* src) -{ - g_free(src->uri); - - if (src->kid) { - GST_DEBUG_OBJECT(src, "Removing giostreamsrc element"); - gst_element_set_state(src->kid, GST_STATE_NULL); - gst_bin_remove(GST_BIN(src), src->kid); - src->kid = 0; - } - - GST_CALL_PARENT(G_OBJECT_CLASS, finalize, ((GObject* )(src))); -} - -static GstStateChangeReturn webkit_data_src_change_state(GstElement* element, GstStateChange transition) -{ - GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; - WebkitDataSrc* src = WEBKIT_DATA_SRC(element); - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - if (!src->kid) { - gst_element_post_message(element, - gst_missing_element_message_new(element, "giostreamsrc")); - GST_ELEMENT_ERROR(src, CORE, MISSING_PLUGIN, (0), ("no giostreamsrc")); - return GST_STATE_CHANGE_FAILURE; - } - break; - default: - break; - } - - ret = GST_ELEMENT_CLASS(parent_class)->change_state(element, transition); - if (G_UNLIKELY(ret == GST_STATE_CHANGE_FAILURE)) - return ret; - - // Downwards state change code should be here, after chaining up - // to the parent class. - - return ret; -} - -/*** GSTURIHANDLER INTERFACE *************************************************/ - -static GstURIType webkit_data_src_uri_get_type(void) -{ - return GST_URI_SRC; -} - -static gchar** webkit_data_src_uri_get_protocols(void) -{ - static gchar* protocols[] = {(gchar*) "data", 0 }; - - return protocols; -} - -static const gchar* webkit_data_src_uri_get_uri(GstURIHandler* handler) -{ - WebkitDataSrc* src = WEBKIT_DATA_SRC(handler); - - return src->uri; -} - -static gboolean webkit_data_src_uri_set_uri(GstURIHandler* handler, const gchar* uri) -{ - WebkitDataSrc* src = WEBKIT_DATA_SRC(handler); - - // URI as defined in RFC2397: - // "data:" [ mediatype ] [ ";base64" ] "," data - // we parse URIs like this one: - // data:audio/3gpp;base64,AA... - - gchar** scheme_and_remains = g_strsplit(uri, ":", 2); - gchar** mime_type_and_options = g_strsplit(scheme_and_remains[1], ";", 0); - gint options_size = g_strv_length(mime_type_and_options); - gchar* data = 0; - gchar* mime_type = 0; - gint ret = FALSE; - - // we require uris with a specified mime-type and base64-encoded - // data. It doesn't make much sense anyway to play plain/text data - // with very few allowed characters (as per the RFC). - - if (GST_STATE(src) >= GST_STATE_PAUSED) { - GST_ERROR_OBJECT(src, "Element already configured. Reset it and retry"); - } else if (!options_size) - GST_ERROR_OBJECT(src, "A mime-type is needed in %s", uri); - else { - mime_type = mime_type_and_options[0]; - data = mime_type_and_options[options_size-1]; - - guchar* decoded_data = 0; - gsize decoded_size; - - if (!g_str_has_prefix(data, "base64")) - GST_ERROR_OBJECT(src, "Data has to be base64-encoded in %s", uri); - else { - decoded_data = g_base64_decode(data+7, &decoded_size); - GInputStream* stream = g_memory_input_stream_new_from_data(decoded_data, - decoded_size, - g_free); - g_object_set(src->kid, "stream", stream, NULL); - g_object_unref(stream); - - if (src->uri) { - g_free(src->uri); - src->uri = 0; - } - - src->uri = g_strdup(uri); - ret = TRUE; - } - } - - g_strfreev(scheme_and_remains); - g_strfreev(mime_type_and_options); - return ret; -} - -static void webkit_data_src_uri_handler_init(gpointer g_iface, gpointer iface_data) -{ - GstURIHandlerInterface* iface = (GstURIHandlerInterface *) g_iface; - - iface->get_type = webkit_data_src_uri_get_type; - iface->get_protocols = webkit_data_src_uri_get_protocols; - iface->get_uri = webkit_data_src_uri_get_uri; - iface->set_uri = webkit_data_src_uri_set_uri; -} - -#endif // USE(GSTREAMER) |