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multifilesrc: implement uri handler

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With this patch we can now provide a set of files
created by multifilesink as a source for uri elements.

e.g. gst-launch-1.0 playbin uri=multifile://img%25d.ppm

Note that for the %d pattern you need to replace % with %25.
This is to be compliant with URL naming standards.

https://bugzilla.gnome.org/show_bug.cgi?id=783581
This commit is contained in:
Dimitrios Katsaros 2017-06-15 13:37:28 +02:00 committed by Tim-Philipp Müller
parent 379059b1c7
commit dccfaf2e91
1 changed files with 67 additions and 1 deletions
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68
gst/multifile/gstmultifilesrc.c
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@ -59,6 +59,8 @@ static void gst_multi_file_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstCaps *gst_multi_file_src_getcaps (GstBaseSrc * src, GstCaps * filter);
static gboolean gst_multi_file_src_query (GstBaseSrc * src, GstQuery * query);
static void gst_multi_file_src_uri_handler_init (gpointer g_iface,
gpointer iface_data);
static GstStaticPadTemplate gst_multi_file_src_pad_template =
@ -85,7 +87,9 @@ enum
#define DEFAULT_INDEX 0
#define gst_multi_file_src_parent_class parent_class
G_DEFINE_TYPE (GstMultiFileSrc, gst_multi_file_src, GST_TYPE_PUSH_SRC);
G_DEFINE_TYPE_WITH_CODE (GstMultiFileSrc, gst_multi_file_src, GST_TYPE_PUSH_SRC,
G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
gst_multi_file_src_uri_handler_init));
static gboolean
@ -482,3 +486,65 @@ handle_error:
return GST_FLOW_ERROR;
}
}
static GstURIType
gst_multi_file_src_uri_get_type (GType type)
{
return GST_URI_SRC;
}
static const gchar *const *
gst_multi_file_src_uri_get_protocols (GType type)
{
static const gchar *protocols[] = { "multifile", NULL };
return (const gchar * const *) protocols;
}
static gchar *
gst_multi_file_src_uri_get_uri (GstURIHandler * handler)
{
GstMultiFileSrc *src = GST_MULTI_FILE_SRC (handler);
gchar *ret;
GST_OBJECT_LOCK (src);
if (src->filename != NULL)
ret = g_strdup_printf ("multifile://%s", src->filename);
else
ret = NULL;
GST_OBJECT_UNLOCK (src);
return ret;
}
static gboolean
gst_multi_file_src_uri_set_uri (GstURIHandler * handler, const gchar * uri,
GError ** error)
{
GstMultiFileSrc *src = GST_MULTI_FILE_SRC (handler);
GstUri *gsturi;
gsturi = gst_uri_from_string (uri);
g_free (src->filename);
src->filename = NULL;
if (gsturi) {
gchar *turi = gst_uri_get_path (gsturi);
gst_multi_file_src_set_location (src, turi);
g_free (turi);
gst_uri_unref (gsturi);
}
return TRUE;
}
static void
gst_multi_file_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
{
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
iface->get_type = gst_multi_file_src_uri_get_type;
iface->get_protocols = gst_multi_file_src_uri_get_protocols;
iface->get_uri = gst_multi_file_src_uri_get_uri;
iface->set_uri = gst_multi_file_src_uri_set_uri;
}