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Diffstat (limited to 'ext/gio/gstgiosrc.c')
-rw-r--r-- | ext/gio/gstgiosrc.c | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/ext/gio/gstgiosrc.c b/ext/gio/gstgiosrc.c deleted file mode 100644 index 5fd810e7..00000000 --- a/ext/gio/gstgiosrc.c +++ /dev/null @@ -1,339 +0,0 @@ -/* 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; -} |