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666 lines
16 KiB
C
666 lines
16 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By: Matthew Allum <mallum@openedhand.com>
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* Emmanuele Bassi <ebassi@linux.intel.com>
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*
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* Copyright (C) 2006 OpenedHand
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* Copyright (C) 2009 Intel Corp.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* SECTION:clutter-media
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* @short_description: An interface for controlling playback of media data
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*
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* #ClutterMedia is an interface for controlling playback of media sources.
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*
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* Clutter core does not provide an implementation of this interface, but
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* other integration libraries like Clutter-GStreamer implement it to offer
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* a uniform API for applications.
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*
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* #ClutterMedia is available since Clutter 0.2
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*
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* #ClutterMedia is deprecated since Clutter 1.12
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#define CLUTTER_DISABLE_DEPRECATION_WARNINGS
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#include "clutter-debug.h"
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#include "clutter-enum-types.h"
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#include "clutter-marshal.h"
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#include "clutter-media.h"
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#include "clutter-main.h"
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#include "clutter-private.h" /* for DBG */
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enum
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{
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EOS_SIGNAL,
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ERROR_SIGNAL, /* can't be called 'ERROR' otherwise it clashes with wingdi.h */
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LAST_SIGNAL
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};
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static guint media_signals[LAST_SIGNAL] = { 0, };
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typedef ClutterMediaIface ClutterMediaInterface;
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G_DEFINE_INTERFACE (ClutterMedia, clutter_media, G_TYPE_OBJECT);
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static void
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clutter_media_default_init (ClutterMediaInterface *iface)
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{
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GParamSpec *pspec = NULL;
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/**
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* ClutterMedia:uri:
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*
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* The location of a media file, expressed as a valid URI.
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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pspec = g_param_spec_string ("uri",
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P_("URI"),
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P_("URI of a media file"),
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NULL,
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CLUTTER_PARAM_READWRITE |
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G_PARAM_DEPRECATED);
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g_object_interface_install_property (iface, pspec);
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/**
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* ClutterMedia:playing:
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*
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* Whether the #ClutterMedia actor is playing.
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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pspec = g_param_spec_boolean ("playing",
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P_("Playing"),
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P_("Whether the actor is playing"),
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FALSE,
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CLUTTER_PARAM_READWRITE |
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G_PARAM_DEPRECATED);
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g_object_interface_install_property (iface, pspec);
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/**
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* ClutterMedia:progress:
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*
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* The current progress of the playback, as a normalized
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* value between 0.0 and 1.0.
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*
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* Since: 1.0
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*
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* Deprecated: 1.12
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*/
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pspec = g_param_spec_double ("progress",
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P_("Progress"),
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P_("Current progress of the playback"),
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0.0, 1.0, 0.0,
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CLUTTER_PARAM_READWRITE |
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G_PARAM_DEPRECATED);
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g_object_interface_install_property (iface, pspec);
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/**
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* ClutterMedia:subtitle-uri:
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*
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* The location of a subtitle file, expressed as a valid URI.
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*
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* Since: 1.2
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*
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* Deprecated: 1.12
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*/
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pspec = g_param_spec_string ("subtitle-uri",
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P_("Subtitle URI"),
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P_("URI of a subtitle file"),
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NULL,
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CLUTTER_PARAM_READWRITE |
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G_PARAM_DEPRECATED);
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g_object_interface_install_property (iface, pspec);
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/**
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* ClutterMedia:subtitle-font-name:
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*
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* The font used to display subtitles. The font description has to
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* follow the same grammar as the one recognized by
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* pango_font_description_from_string().
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*
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* Since: 1.2
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*
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* Deprecated: 1.12
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*/
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pspec = g_param_spec_string ("subtitle-font-name",
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P_("Subtitle Font Name"),
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P_("The font used to display subtitles"),
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NULL,
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CLUTTER_PARAM_READWRITE |
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G_PARAM_DEPRECATED);
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g_object_interface_install_property (iface, pspec);
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/**
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* ClutterMedia:audio-volume:
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*
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* The volume of the audio, as a normalized value between
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* 0.0 and 1.0.
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*
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* Since: 1.0
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*
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* Deprecated: 1.12
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*/
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pspec = g_param_spec_double ("audio-volume",
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P_("Audio Volume"),
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P_("The volume of the audio"),
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0.0, 1.0, 0.5,
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CLUTTER_PARAM_READWRITE |
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G_PARAM_DEPRECATED);
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g_object_interface_install_property (iface, pspec);
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/**
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* ClutterMedia:can-seek:
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*
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* Whether the current stream is seekable.
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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pspec = g_param_spec_boolean ("can-seek",
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P_("Can Seek"),
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P_("Whether the current stream is seekable"),
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FALSE,
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CLUTTER_PARAM_READABLE |
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G_PARAM_DEPRECATED);
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g_object_interface_install_property (iface, pspec);
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/**
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* ClutterMedia:buffer-fill:
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*
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* The fill level of the buffer for the current stream,
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* as a value between 0.0 and 1.0.
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*
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* Since: 1.0
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*
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* Deprecated: 1.12
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*/
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pspec = g_param_spec_double ("buffer-fill",
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P_("Buffer Fill"),
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P_("The fill level of the buffer"),
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0.0, 1.0, 0.0,
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CLUTTER_PARAM_READABLE |
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G_PARAM_DEPRECATED);
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g_object_interface_install_property (iface, pspec);
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/**
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* ClutterMedia:duration:
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*
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* The duration of the current stream, in seconds
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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pspec = g_param_spec_double ("duration",
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P_("Duration"),
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P_("The duration of the stream, in seconds"),
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0, G_MAXDOUBLE, 0,
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CLUTTER_PARAM_READABLE);
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g_object_interface_install_property (iface, pspec);
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/**
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* ClutterMedia::eos:
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* @media: the #ClutterMedia instance that received the signal
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*
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* The ::eos signal is emitted each time the media stream ends.
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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media_signals[EOS_SIGNAL] =
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g_signal_new (I_("eos"),
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CLUTTER_TYPE_MEDIA,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ClutterMediaIface, eos),
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NULL, NULL,
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_clutter_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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/**
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* ClutterMedia::error:
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* @media: the #ClutterMedia instance that received the signal
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* @error: the #GError
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*
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* The ::error signal is emitted each time an error occurred.
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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media_signals[ERROR_SIGNAL] =
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g_signal_new (I_("error"),
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CLUTTER_TYPE_MEDIA,
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (ClutterMediaIface, error),
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NULL, NULL,
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_clutter_marshal_VOID__BOXED,
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G_TYPE_NONE, 1,
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G_TYPE_ERROR);
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}
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/**
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* clutter_media_set_uri:
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* @media: a #ClutterMedia
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* @uri: the URI of the media stream
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*
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* Sets the URI of @media to @uri.
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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void
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clutter_media_set_uri (ClutterMedia *media,
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const gchar *uri)
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{
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g_return_if_fail (CLUTTER_IS_MEDIA(media));
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g_object_set (G_OBJECT (media), "uri", uri, NULL);
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}
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/**
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* clutter_media_get_uri:
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* @media: a #ClutterMedia
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*
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* Retrieves the URI from @media.
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*
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* Return value: the URI of the media stream. Use g_free()
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* to free the returned string
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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gchar *
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clutter_media_get_uri (ClutterMedia *media)
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{
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gchar *retval = NULL;
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g_return_val_if_fail (CLUTTER_IS_MEDIA(media), NULL);
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g_object_get (G_OBJECT (media), "uri", &retval, NULL);
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return retval;
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}
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/**
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* clutter_media_set_playing:
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* @media: a #ClutterMedia
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* @playing: %TRUE to start playing
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*
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* Starts or stops playing of @media.
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* The implementation might be asynchronous, so the way to know whether
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* the actual playing state of the @media is to use the #GObject::notify
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* signal on the #ClutterMedia:playing property and then retrieve the
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* current state with clutter_media_get_playing(). ClutterGstVideoTexture
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* in clutter-gst is an example of such an asynchronous implementation.
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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void
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clutter_media_set_playing (ClutterMedia *media,
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gboolean playing)
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{
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g_return_if_fail (CLUTTER_IS_MEDIA(media));
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g_object_set (G_OBJECT (media), "playing", playing, NULL);
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}
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/**
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* clutter_media_get_playing:
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* @media: A #ClutterMedia object
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*
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* Retrieves the playing status of @media.
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*
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* Return value: %TRUE if playing, %FALSE if stopped.
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*
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* Since: 0.2
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*
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* Deprecated: 1.12
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*/
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gboolean
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clutter_media_get_playing (ClutterMedia *media)
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{
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gboolean is_playing = FALSE;
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g_return_val_if_fail (CLUTTER_IS_MEDIA (media), FALSE);
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g_object_get (G_OBJECT (media), "playing", &is_playing, NULL);
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return is_playing;
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}
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/**
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* clutter_media_set_progress:
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* @media: a #ClutterMedia
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* @progress: the progress of the playback, between 0.0 and 1.0
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*
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* Sets the playback progress of @media. The @progress is
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* a normalized value between 0.0 (begin) and 1.0 (end).
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*
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* Since: 1.0
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*
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* Deprecated: 1.12
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*/
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void
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clutter_media_set_progress (ClutterMedia *media,
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gdouble progress)
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{
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g_return_if_fail (CLUTTER_IS_MEDIA (media));
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g_object_set (G_OBJECT (media), "progress", progress, NULL);
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}
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/**
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* clutter_media_get_progress:
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* @media: a #ClutterMedia
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*
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* Retrieves the playback progress of @media.
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*
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* Return value: the playback progress, between 0.0 and 1.0
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*
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* Since: 1.0
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*
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* Deprecated: 1.12
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*/
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gdouble
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clutter_media_get_progress (ClutterMedia *media)
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{
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gdouble retval = 0.0;
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g_return_val_if_fail (CLUTTER_IS_MEDIA (media), 0);
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g_object_get (G_OBJECT (media), "progress", &retval, NULL);
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return retval;
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}
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/**
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* clutter_media_set_subtitle_uri:
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* @media: a #ClutterMedia
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* @uri: the URI of a subtitle file
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*
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* Sets the location of a subtitle file to display while playing @media.
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*
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* Since: 1.2
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*
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* Deprecated: 1.12
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*/
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void
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clutter_media_set_subtitle_uri (ClutterMedia *media,
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const char *uri)
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{
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g_return_if_fail (CLUTTER_IS_MEDIA (media));
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g_object_set (G_OBJECT (media), "subtitle-uri", uri, NULL);
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}
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/**
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* clutter_media_get_subtitle_uri:
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* @media: a #ClutterMedia
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*
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* Retrieves the URI of the subtitle file in use.
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*
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* Return value: the URI of the subtitle file. Use g_free()
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* to free the returned string
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*
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* Since: 1.2
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*
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* Deprecated: 1.12
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*/
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gchar *
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clutter_media_get_subtitle_uri (ClutterMedia *media)
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{
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gchar *retval = NULL;
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g_return_val_if_fail (CLUTTER_IS_MEDIA(media), NULL);
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g_object_get (G_OBJECT (media), "subtitle-uri", &retval, NULL);
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return retval;
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}
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/**
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* clutter_media_set_subtitle_font_name:
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* @media: a #ClutterMedia
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* @font_name: a font name, or %NULL to set the default font name
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*
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* Sets the font used by the subtitle renderer. The @font_name string must be
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* either %NULL, which means that the default font name of the underlying
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* implementation will be used; or must follow the grammar recognized by
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* pango_font_description_from_string() like:
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*
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* |[
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* clutter_media_set_subtitle_font_name (media, "Sans 24pt");
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* ]|
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*
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* Since: 1.2
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*
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* Deprecated: 1.12
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*/
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void
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clutter_media_set_subtitle_font_name (ClutterMedia *media,
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const char *font_name)
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{
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g_return_if_fail (CLUTTER_IS_MEDIA (media));
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g_object_set (G_OBJECT (media), "subtitle-font-name", font_name, NULL);
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}
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/**
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* clutter_media_get_subtitle_font_name:
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* @media: a #ClutterMedia
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*
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* Retrieves the font name currently used.
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*
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* Return value: a string containing the font name. Use g_free()
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* to free the returned string
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*
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* Since: 1.2
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*
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* Deprecated: 1.12
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*/
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gchar *
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clutter_media_get_subtitle_font_name (ClutterMedia *media)
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{
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gchar *retval = NULL;
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g_return_val_if_fail (CLUTTER_IS_MEDIA(media), NULL);
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g_object_get (G_OBJECT (media), "subtitle-font-name", &retval, NULL);
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return retval;
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}
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/**
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* clutter_media_set_audio_volume:
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* @media: a #ClutterMedia
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* @volume: the volume as a double between 0.0 and 1.0
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*
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* Sets the playback volume of @media to @volume.
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*
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* Since: 1.0
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*
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* Deprecated: 1.12
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*/
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void
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clutter_media_set_audio_volume (ClutterMedia *media,
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gdouble volume)
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{
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g_return_if_fail (CLUTTER_IS_MEDIA(media));
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g_object_set (G_OBJECT (media), "audio-volume", volume, NULL);
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}
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/**
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* clutter_media_get_audio_volume:
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* @media: a #ClutterMedia
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*
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* Retrieves the playback volume of @media.
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*
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* Return value: The playback volume between 0.0 and 1.0
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*
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* Since: 1.0
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*
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* Deprecated: 1.12
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*/
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gdouble
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clutter_media_get_audio_volume (ClutterMedia *media)
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{
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gdouble retval = 0.0;
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g_return_val_if_fail (CLUTTER_IS_MEDIA (media), 0.0);
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g_object_get (G_OBJECT (media), "audio-volume", &retval, NULL);
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return retval;
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}
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/**
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* clutter_media_get_can_seek:
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* @media: a #ClutterMedia
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*
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* Retrieves whether @media is seekable or not.
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*
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* Return value: %TRUE if @media can seek, %FALSE otherwise.
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*
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* Since: 0.2
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*
|
|
* Deprecated: 1.12
|
|
*/
|
|
gboolean
|
|
clutter_media_get_can_seek (ClutterMedia *media)
|
|
{
|
|
gboolean retval = FALSE;
|
|
|
|
g_return_val_if_fail (CLUTTER_IS_MEDIA (media), FALSE);
|
|
|
|
g_object_get (G_OBJECT (media), "can-seek", &retval, NULL);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* clutter_media_get_buffer_fill:
|
|
* @media: a #ClutterMedia
|
|
*
|
|
* Retrieves the amount of the stream that is buffered.
|
|
*
|
|
* Return value: the fill level, between 0.0 and 1.0
|
|
*
|
|
* Since: 1.0
|
|
*
|
|
* Deprecated: 1.12
|
|
*/
|
|
gdouble
|
|
clutter_media_get_buffer_fill (ClutterMedia *media)
|
|
{
|
|
gdouble retval = 0.0;
|
|
|
|
g_return_val_if_fail (CLUTTER_IS_MEDIA (media), 0);
|
|
|
|
g_object_get (G_OBJECT (media), "buffer-fill", &retval, NULL);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* clutter_media_get_duration:
|
|
* @media: a #ClutterMedia
|
|
*
|
|
* Retrieves the duration of the media stream that @media represents.
|
|
*
|
|
* Return value: the duration of the media stream, in seconds
|
|
*
|
|
* Since: 0.2
|
|
*
|
|
* Deprecated: 1.12
|
|
*/
|
|
gdouble
|
|
clutter_media_get_duration (ClutterMedia *media)
|
|
{
|
|
gdouble retval = 0;
|
|
|
|
g_return_val_if_fail (CLUTTER_IS_MEDIA(media), 0);
|
|
|
|
g_object_get (G_OBJECT (media), "duration", &retval, NULL);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/* helper funcs */
|
|
|
|
/**
|
|
* clutter_media_set_filename:
|
|
* @media: a #ClutterMedia
|
|
* @filename: A filename
|
|
*
|
|
* Sets the source of @media using a file path.
|
|
*
|
|
* Since: 0.2
|
|
*
|
|
* Deprecated: 1.12
|
|
*/
|
|
void
|
|
clutter_media_set_filename (ClutterMedia *media,
|
|
const gchar *filename)
|
|
{
|
|
gchar *uri;
|
|
GError *uri_error = NULL;
|
|
|
|
if (!g_path_is_absolute (filename))
|
|
{
|
|
gchar *abs_path;
|
|
|
|
abs_path = g_build_filename (g_get_current_dir (), filename, NULL);
|
|
uri = g_filename_to_uri (abs_path, NULL, &uri_error);
|
|
g_free (abs_path);
|
|
}
|
|
else
|
|
uri = g_filename_to_uri (filename, NULL, &uri_error);
|
|
|
|
if (uri_error)
|
|
{
|
|
g_signal_emit (media, media_signals[ERROR_SIGNAL], 0, uri_error);
|
|
g_error_free (uri_error);
|
|
return;
|
|
}
|
|
|
|
clutter_media_set_uri (media, uri);
|
|
|
|
g_free (uri);
|
|
}
|