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-rw-r--r--ext/gio/gstgiosrc.c339
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diff --git a/ext/gio/gstgiosrc.c b/ext/gio/gstgiosrc.c
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--- a/ext/gio/gstgiosrc.c
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-/* GStreamer
- *
- * Copyright (C) 2007 Rene Stadler <mail@renestadler.de>
- * Copyright (C) 2007-2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
- *
- * 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-giosrc
- * @see_also: #GstFileSrc, #GstGnomeVFSSrc, #GstGioSink
- *
- * This plugin reads data from 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', 'http',
- * 'ftp', or 'smb'.
- *
- * If an URI or #GFile is not mounted giosrc will post a message of type
- * %GST_MESSAGE_ELEMENT with name "not-mounted" on the bus. The message
- * also contains the #GFile and the corresponding URI.
- * Applications can use the "not-mounted" message to mount the #GFile
- * by calling g_file_mount_enclosing_volume() and then restart the
- * pipeline after the mounting has succeeded. Note that right after the
- * "not-mounted" message a normal error message is posted on the bus which
- * should be ignored if "not-mounted" is handled by the application, for
- * example by calling gst_bus_set_flushing(bus, TRUE) after the "not-mounted"
- * message was received and gst_bus_set_flushing(bus, FALSE) after the
- * mounting was successful.
- *
- * <refsect2>
- * <title>Example launch lines</title>
- * |[
- * gst-launch -v giosrc location=file:///home/joe/foo.xyz ! fakesink
- * ]| The above pipeline will simply read a local file and do nothing with the
- * data read. Instead of giosrc, we could just as well have used the
- * filesrc element here.
- * |[
- * gst-launch -v giosrc location=smb://othercomputer/foo.xyz ! filesink location=/home/joe/foo.xyz
- * ]| The above pipeline will copy a file from a remote host to the local file
- * system using the Samba protocol.
- * |[
- * gst-launch -v giosrc location=http://music.foobar.com/demo.mp3 ! mad ! audioconvert ! audioresample ! alsasink
- * ]| The above pipeline will read and decode and play an mp3 file from a
- * web server using the http protocol.
- * </refsect2>
- */
-
-/* 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 <config.h>
-#endif
-
-#include "gstgiosrc.h"
-#include <string.h>
-
-GST_DEBUG_CATEGORY_STATIC (gst_gio_src_debug);
-#define GST_CAT_DEFAULT gst_gio_src_debug
-
-enum
-{
- PROP_0,
- PROP_LOCATION,
- PROP_FILE
-};
-
-GST_BOILERPLATE_FULL (GstGioSrc, gst_gio_src, GstGioBaseSrc,
- GST_TYPE_GIO_BASE_SRC, gst_gio_uri_handler_do_init);
-
-static void gst_gio_src_finalize (GObject * object);
-
-static void gst_gio_src_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_gio_src_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static GInputStream *gst_gio_src_get_stream (GstGioBaseSrc * bsrc);
-
-static gboolean gst_gio_src_check_get_range (GstBaseSrc * base_src);
-
-static void
-gst_gio_src_base_init (gpointer gclass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
-
- GST_DEBUG_CATEGORY_INIT (gst_gio_src_debug, "gio_src", 0, "GIO source");
-
- gst_element_class_set_details_simple (element_class, "GIO source",
- "Source/File",
- "Read from any GIO-supported location",
- "Ren\xc3\xa9 Stadler <mail@renestadler.de>, "
- "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
-}
-
-static void
-gst_gio_src_class_init (GstGioSrcClass * klass)
-{
- GObjectClass *gobject_class = (GObjectClass *) klass;
- GstBaseSrcClass *gstbasesrc_class = (GstBaseSrcClass *) klass;
- GstGioBaseSrcClass *gstgiobasesrc_class = (GstGioBaseSrcClass *) klass;
-
- gobject_class->finalize = gst_gio_src_finalize;
- gobject_class->set_property = gst_gio_src_set_property;
- gobject_class->get_property = gst_gio_src_get_property;
-
- g_object_class_install_property (gobject_class, PROP_LOCATION,
- g_param_spec_string ("location", "Location", "URI location to read from",
- NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-
- /**
- * GstGioSrc:file
- *
- * %GFile to read from.
- *
- * Since: 0.10.20
- **/
- g_object_class_install_property (gobject_class, PROP_FILE,
- g_param_spec_object ("file", "File", "GFile to read from",
- G_TYPE_FILE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-
- gstbasesrc_class->check_get_range =
- GST_DEBUG_FUNCPTR (gst_gio_src_check_get_range);
-
- gstgiobasesrc_class->get_stream = GST_DEBUG_FUNCPTR (gst_gio_src_get_stream);
- gstgiobasesrc_class->close_on_stop = TRUE;
-}
-
-static void
-gst_gio_src_init (GstGioSrc * src, GstGioSrcClass * gclass)
-{
-}
-
-static void
-gst_gio_src_finalize (GObject * object)
-{
- GstGioSrc *src = GST_GIO_SRC (object);
-
- if (src->file) {
- g_object_unref (src->file);
- src->file = NULL;
- }
-
- GST_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
-}
-
-static void
-gst_gio_src_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstGioSrc *src = GST_GIO_SRC (object);
-
- switch (prop_id) {
- case PROP_LOCATION:{
- const gchar *uri = NULL;
-
- if (GST_STATE (src) == GST_STATE_PLAYING ||
- GST_STATE (src) == GST_STATE_PAUSED) {
- GST_WARNING
- ("Setting a new location or GFile not supported in PLAYING or PAUSED state");
- break;
- }
-
- GST_OBJECT_LOCK (GST_OBJECT (src));
- if (src->file)
- g_object_unref (src->file);
-
- uri = g_value_get_string (value);
-
- if (uri) {
- src->file = g_file_new_for_uri (uri);
-
- if (!src->file) {
- GST_ERROR ("Could not create GFile for URI '%s'", uri);
- }
- } else {
- src->file = NULL;
- }
- GST_OBJECT_UNLOCK (GST_OBJECT (src));
- break;
- }
- case PROP_FILE:
- if (GST_STATE (src) == GST_STATE_PLAYING ||
- GST_STATE (src) == GST_STATE_PAUSED) {
- GST_WARNING
- ("Setting a new location or GFile not supported in PLAYING or PAUSED state");
- break;
- }
-
- GST_OBJECT_LOCK (GST_OBJECT (src));
- if (src->file)
- g_object_unref (src->file);
-
- src->file = g_value_dup_object (value);
-
- GST_OBJECT_UNLOCK (GST_OBJECT (src));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_gio_src_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec)
-{
- GstGioSrc *src = GST_GIO_SRC (object);
-
- switch (prop_id) {
- case PROP_LOCATION:{
- gchar *uri;
-
- GST_OBJECT_LOCK (GST_OBJECT (src));
- if (src->file) {
- uri = g_file_get_uri (src->file);
- g_value_set_string (value, uri);
- g_free (uri);
- } else {
- g_value_set_string (value, NULL);
- }
- GST_OBJECT_UNLOCK (GST_OBJECT (src));
- break;
- }
- case PROP_FILE:
- GST_OBJECT_LOCK (GST_OBJECT (src));
- g_value_set_object (value, src->file);
- GST_OBJECT_UNLOCK (GST_OBJECT (src));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static gboolean
-gst_gio_src_check_get_range (GstBaseSrc * base_src)
-{
- GstGioSrc *src = GST_GIO_SRC (base_src);
- gchar *scheme;
-
- if (src->file == NULL)
- goto done;
-
- scheme = g_file_get_uri_scheme (src->file);
- if (scheme == NULL)
- goto done;
-
- if (strcmp (scheme, "file") == 0) {
- GST_LOG_OBJECT (src, "local URI, assuming random access is possible");
- g_free (scheme);
- return TRUE;
- } else if (strcmp (scheme, "http") == 0 || strcmp (scheme, "https") == 0) {
- GST_LOG_OBJECT (src, "blacklisted protocol '%s', "
- "no random access possible", scheme);
- g_free (scheme);
- return FALSE;
- }
-
- g_free (scheme);
-
-done:
-
- GST_DEBUG_OBJECT (src, "undecided about random access, asking base class");
-
- return GST_CALL_PARENT_WITH_DEFAULT (GST_BASE_SRC_CLASS,
- check_get_range, (base_src), FALSE);
-}
-
-
-static GInputStream *
-gst_gio_src_get_stream (GstGioBaseSrc * bsrc)
-{
- GstGioSrc *src = GST_GIO_SRC (bsrc);
- GError *err = NULL;
- GInputStream *stream;
- GCancellable *cancel = bsrc->cancel;
- gchar *uri = NULL;
-
- if (src->file == NULL) {
- GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
- ("No location or GFile given"));
- return NULL;
- }
-
- uri = g_file_get_uri (src->file);
- if (!uri)
- uri = g_strdup ("(null)");
-
- stream = G_INPUT_STREAM (g_file_read (src->file, cancel, &err));
-
- if (stream == NULL && !gst_gio_error (src, "g_file_read", &err, NULL)) {
- if (GST_GIO_ERROR_MATCHES (err, NOT_FOUND)) {
- GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, (NULL),
- ("Could not open location %s for reading: %s", uri, err->message));
- } else if (GST_GIO_ERROR_MATCHES (err, NOT_MOUNTED)) {
- gst_element_post_message (GST_ELEMENT_CAST (src),
- gst_message_new_element (GST_OBJECT_CAST (src),
- gst_structure_new ("not-mounted", "file", G_TYPE_FILE, src->file,
- "uri", G_TYPE_STRING, uri, NULL)));
-
- GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
- ("Location %s not mounted: %s", uri, err->message));
- } else {
- GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
- ("Could not open location %s for reading: %s", uri, err->message));
- }
-
- g_free (uri);
- g_clear_error (&err);
- return NULL;
- } else if (stream == NULL) {
- g_free (uri);
- return NULL;
- }
-
- GST_DEBUG_OBJECT (src, "opened location %s", uri);
- g_free (uri);
-
- return stream;
-}