diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/ext/gio/gstgiosink.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_base/ext/gio/gstgiosink.c Thu Dec 17 08:53:32 2009 +0200 @@ -0,0 +1,250 @@ +/* GStreamer + * + * Copyright (C) 2007 Rene Stadler + * Copyright (C) 2007 Sebastian Dröge + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/** + * SECTION:element-giosink + * @short_description: Write a stream to any GIO-supported location + * @see_also: #GstFileSink, #GstGnomeVFSSink, #GstGioSrc + * + * + * + * This plugin writes incoming data to a local or remote location specified + * by an URI. This location can be specified using any protocol supported by + * the GIO library or it's VFS backends. Common protocols are 'file', 'ftp', + * or 'smb'. + * + * + * Example pipeline: + * + * gst-launch -v filesrc location=input.xyz ! giosink location=file:///home/joe/out.xyz + * + * The above pipeline will simply copy a local file. Instead of giosink, + * we could just as well have used the filesink element here. + * + * + * Another example pipeline: + * + * gst-launch -v filesrc location=foo.mp3 ! mad ! flacenc ! giosink location=smb://othercomputer/foo.flac + * + * The above pipeline will re-encode an mp3 file into FLAC format and store + * it on a remote host using the Samba protocol. + * + * + * Another example pipeline: + * + * gst-launch -v audiotestsrc num-buffers=100 ! vorbisenc ! oggmux ! giosink location=file:///home/foo/bar.ogg + * + * The above pipeline will encode a 440Hz sine wave to Ogg Vorbis and stores + * it in the home directory of user foo. + * + * + */ + +/* FIXME: We would like to mount the enclosing volume of an URL + * if it isn't mounted yet but this is possible async-only. + * Unfortunately this requires a running main loop from the + * default context and we can't guarantuee this! + * + * We would also like to do authentication while mounting. + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include "gstgiosink.h" + +GST_DEBUG_CATEGORY_STATIC (gst_gio_sink_debug); +#define GST_CAT_DEFAULT gst_gio_sink_debug + +/* Filter signals and args */ +enum +{ + LAST_SIGNAL +}; + +enum +{ + ARG_0, + ARG_LOCATION +}; + +GST_BOILERPLATE_FULL (GstGioSink, gst_gio_sink, GstGioBaseSink, + GST_TYPE_GIO_BASE_SINK, gst_gio_uri_handler_do_init); + +static void gst_gio_sink_finalize (GObject * object); +static void gst_gio_sink_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_gio_sink_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); +static gboolean gst_gio_sink_start (GstBaseSink * base_sink); + +static void +gst_gio_sink_base_init (gpointer gclass) +{ + static GstElementDetails element_details = { + "GIO sink", + "Sink/File", + "Write to any GIO-supported location", + "Ren\xc3\xa9 Stadler , " + "Sebastian Dröge " + }; + GstElementClass *element_class = GST_ELEMENT_CLASS (gclass); + + GST_DEBUG_CATEGORY_INIT (gst_gio_sink_debug, "gio_sink", 0, "GIO sink"); + + gst_element_class_set_details (element_class, &element_details); +} + +static void +gst_gio_sink_class_init (GstGioSinkClass * klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + GstBaseSinkClass *gstbasesink_class; + + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) klass; + gstbasesink_class = (GstBaseSinkClass *) klass; + + gobject_class->finalize = gst_gio_sink_finalize; + gobject_class->set_property = gst_gio_sink_set_property; + gobject_class->get_property = gst_gio_sink_get_property; + + g_object_class_install_property (gobject_class, ARG_LOCATION, + g_param_spec_string ("location", "Location", "URI location to write to", + NULL, G_PARAM_READWRITE)); + + gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_gio_sink_start); +} + +static void +gst_gio_sink_init (GstGioSink * sink, GstGioSinkClass * gclass) +{ +} + +static void +gst_gio_sink_finalize (GObject * object) +{ + GstGioSink *sink = GST_GIO_SINK (object); + + if (sink->location) { + g_free (sink->location); + sink->location = NULL; + } + + GST_CALL_PARENT (G_OBJECT_CLASS, finalize, (object)); +} + +static void +gst_gio_sink_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstGioSink *sink = GST_GIO_SINK (object); + + switch (prop_id) { + case ARG_LOCATION: + if (GST_STATE (sink) == GST_STATE_PLAYING || + GST_STATE (sink) == GST_STATE_PAUSED) + break; + + g_free (sink->location); + sink->location = g_strdup (g_value_get_string (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_gio_sink_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + GstGioSink *sink = GST_GIO_SINK (object); + + switch (prop_id) { + case ARG_LOCATION: + g_value_set_string (value, sink->location); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static gboolean +gst_gio_sink_start (GstBaseSink * base_sink) +{ + GstGioSink *sink = GST_GIO_SINK (base_sink); + GFile *file; + GOutputStream *stream; + GCancellable *cancel = GST_GIO_BASE_SINK (sink)->cancel; + gboolean success; + GError *err = NULL; + + if (sink->location == NULL) { + GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE, (NULL), + ("No location given")); + return FALSE; + } + + file = g_file_new_for_uri (sink->location); + + if (file == NULL) { + GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE, (NULL), + ("Malformed URI or protocol not supported (%s)", sink->location)); + return FALSE; + } + + stream = + G_OUTPUT_STREAM (g_file_create (file, G_FILE_CREATE_NONE, cancel, &err)); + + success = (stream != NULL); + + g_object_unref (file); + + if (!success && !gst_gio_error (sink, "g_file_create", &err, NULL)) { + + /*if (GST_GIO_ERROR_MATCHES (err, EXISTS)) */ + /* FIXME: Retry with replace if overwrite == TRUE! */ + + if (GST_GIO_ERROR_MATCHES (err, NOT_FOUND)) + GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND, (NULL), + ("Could not open location %s for writing: %s", + sink->location, err->message)); + else + GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_READ, (NULL), + ("Could not open location %s for writing: %s", + sink->location, err->message)); + + g_clear_error (&err); + } + + if (!success) + return FALSE; + + GST_DEBUG_OBJECT (sink, "opened location %s", sink->location); + + gst_gio_base_sink_set_stream (GST_GIO_BASE_SINK (sink), stream); + + return GST_BASE_SINK_CLASS (parent_class)->start (base_sink); +}