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501 lines
14 KiB
C
501 lines
14 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
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* 2009 Nokia Corporation
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:ges-timeline-filesource
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* @short_description: An object for manipulating media files in a GESTimeline
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*
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* Represents all the output streams from a particular uri. It is assumed that
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* the URI points to a file of some type.
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*/
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#include "ges-internal.h"
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#include "ges-timeline-file-source.h"
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#include "ges-timeline-source.h"
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#include "ges-track-filesource.h"
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#include "ges-asset-file-source.h"
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#include "ges-asset-track-object.h"
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#include "ges-extractable.h"
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#include "ges-track-image-source.h"
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#include "ges-track-audio-test-source.h"
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static void ges_extractable_interface_init (GESExtractableInterface * iface);
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G_DEFINE_TYPE_WITH_CODE (GESTimelineFileSource, ges_timeline_filesource,
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GES_TYPE_TIMELINE_SOURCE,
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G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE,
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ges_extractable_interface_init));
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GESExtractableInterface *parent_extractable_iface;
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struct _GESTimelineFileSourcePrivate
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{
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gchar *uri;
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gboolean mute;
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gboolean is_image;
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};
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enum
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{
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PROP_0,
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PROP_URI,
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PROP_MUTE,
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PROP_IS_IMAGE,
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PROP_SUPPORTED_FORMATS,
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};
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static GList *ges_timeline_filesource_create_track_objects (GESTimelineObject *
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obj, GESTrackType type);
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static GESTrackObject
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* ges_timeline_filesource_create_track_object (GESTimelineObject * obj,
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GESTrackType type);
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void ges_timeline_filesource_set_uri (GESTimelineFileSource * self,
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gchar * uri);
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static void
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filesource_set_max_duration (GESTimelineObject * object, guint64 maxduration);
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static void
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ges_timeline_filesource_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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GESTimelineFileSourcePrivate *priv = GES_TIMELINE_FILE_SOURCE (object)->priv;
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switch (property_id) {
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case PROP_URI:
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g_value_set_string (value, priv->uri);
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break;
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case PROP_MUTE:
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g_value_set_boolean (value, priv->mute);
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break;
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case PROP_IS_IMAGE:
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g_value_set_boolean (value, priv->is_image);
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break;
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case PROP_SUPPORTED_FORMATS:
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g_value_set_flags (value,
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ges_timeline_object_get_supported_formats (GES_TIMELINE_OBJECT
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(object)));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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ges_timeline_filesource_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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GESTimelineFileSource *tfs = GES_TIMELINE_FILE_SOURCE (object);
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switch (property_id) {
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case PROP_URI:
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ges_timeline_filesource_set_uri (tfs, g_value_dup_string (value));
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break;
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case PROP_MUTE:
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ges_timeline_filesource_set_mute (tfs, g_value_get_boolean (value));
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break;
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case PROP_IS_IMAGE:
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ges_timeline_filesource_set_is_image (tfs, g_value_get_boolean (value));
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break;
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case PROP_SUPPORTED_FORMATS:
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ges_timeline_object_set_supported_formats (GES_TIMELINE_OBJECT (tfs),
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g_value_get_flags (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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ges_timeline_filesource_finalize (GObject * object)
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{
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GESTimelineFileSourcePrivate *priv = GES_TIMELINE_FILE_SOURCE (object)->priv;
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if (priv->uri)
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g_free (priv->uri);
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G_OBJECT_CLASS (ges_timeline_filesource_parent_class)->finalize (object);
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}
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static void
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ges_timeline_filesource_class_init (GESTimelineFileSourceClass * klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GESTimelineObjectClass *timobj_class = GES_TIMELINE_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GESTimelineFileSourcePrivate));
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object_class->get_property = ges_timeline_filesource_get_property;
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object_class->set_property = ges_timeline_filesource_set_property;
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object_class->finalize = ges_timeline_filesource_finalize;
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/**
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* GESTimelineFileSource:uri:
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*
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* The location of the file/resource to use.
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*/
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g_object_class_install_property (object_class, PROP_URI,
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g_param_spec_string ("uri", "URI", "uri of the resource", NULL,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
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/**
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* GESTimelineFileSource:mute:
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*
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* Whether the sound will be played or not.
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*/
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g_object_class_install_property (object_class, PROP_MUTE,
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g_param_spec_boolean ("mute", "Mute", "Mute audio track",
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FALSE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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/**
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* GESTimelineFileSource:is-image:
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*
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* Whether this filesource represents a still image or not. This must be set
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* before create_track_objects is called.
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*/
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g_object_class_install_property (object_class, PROP_IS_IMAGE,
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g_param_spec_boolean ("is-image", "Is still image",
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"Whether the timeline object represents a still image or not",
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FALSE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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/* Redefine the supported formats property so the default value is UNKNOWN
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* and not AUDIO | VIDEO */
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g_object_class_install_property (object_class, PROP_SUPPORTED_FORMATS,
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g_param_spec_flags ("supported-formats",
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"Supported formats", "Formats supported by the file",
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GES_TYPE_TRACK_TYPE, GES_TRACK_TYPE_UNKNOWN,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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timobj_class->create_track_objects =
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ges_timeline_filesource_create_track_objects;
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timobj_class->create_track_object =
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ges_timeline_filesource_create_track_object;
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timobj_class->set_max_duration = filesource_set_max_duration;
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timobj_class->need_fill_track = FALSE;
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}
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static gchar *
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extractable_check_id (GType type, const gchar * id)
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{
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if (gst_uri_is_valid (id))
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return g_strdup (id);
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return NULL;
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}
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static GParameter *
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extractable_get_parameters_from_id (const gchar * id, guint * n_params)
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{
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GParameter *params = g_new0 (GParameter, 2);
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params[0].name = "uri";
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g_value_init (¶ms[0].value, G_TYPE_STRING);
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g_value_set_string (¶ms[0].value, id);
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*n_params = 1;
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return params;
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}
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static gchar *
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extractable_get_id (GESExtractable * self)
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{
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return g_strdup (GES_TIMELINE_FILE_SOURCE (self)->priv->uri);
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}
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static void
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extractable_set_asset (GESExtractable * self, GESAsset * asset)
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{
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GESTimelineFileSource *tfs = GES_TIMELINE_FILE_SOURCE (self);
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GESAssetFileSource *filesource_asset = GES_ASSET_FILESOURCE (asset);
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GESTimelineObject *tlobj = GES_TIMELINE_OBJECT (self);
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if (GST_CLOCK_TIME_IS_VALID (tlobj->duration) == FALSE)
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ges_timeline_object_set_duration (GES_TIMELINE_OBJECT (tfs),
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ges_asset_filesource_get_duration (filesource_asset));
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ges_timeline_filesource_set_max_duration (tfs,
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ges_asset_filesource_get_duration (filesource_asset));
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ges_timeline_filesource_set_is_image (tfs,
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ges_asset_filesource_is_image (filesource_asset));
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if (ges_timeline_object_get_supported_formats (tlobj) ==
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GES_TRACK_TYPE_UNKNOWN) {
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ges_timeline_object_set_supported_formats (tlobj,
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ges_asset_timeline_object_get_supported_formats
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(GES_ASSET_TIMELINE_OBJECT (filesource_asset)));
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}
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ges_timeline_filesource_set_uri (tfs, g_strdup (ges_asset_get_id (asset)));
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GES_TIMELINE_OBJECT (tfs)->asset = asset;
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}
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static void
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ges_extractable_interface_init (GESExtractableInterface * iface)
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{
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iface->asset_type = GES_TYPE_ASSET_FILESOURCE;
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iface->check_id = (GESExtractableCheckId) extractable_check_id;
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iface->get_parameters_from_id = extractable_get_parameters_from_id;
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iface->get_id = extractable_get_id;
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iface->set_asset = extractable_set_asset;
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}
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static void
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ges_timeline_filesource_init (GESTimelineFileSource * self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
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GES_TYPE_TIMELINE_FILE_SOURCE, GESTimelineFileSourcePrivate);
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/* Setting the duration to -1 by default. */
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GES_TIMELINE_OBJECT (self)->duration = GST_CLOCK_TIME_NONE;
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}
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/**
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* ges_timeline_filesource_set_mute:
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* @self: the #GESTimelineFileSource on which to mute or unmute the audio track
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* @mute: %TRUE to mute @self audio track, %FALSE to unmute it
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*
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* Sets whether the audio track of this timeline object is muted or not.
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*
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*/
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void
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ges_timeline_filesource_set_mute (GESTimelineFileSource * self, gboolean mute)
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{
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GList *tmp, *trackobjects;
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GESTimelineObject *object = (GESTimelineObject *) self;
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GST_DEBUG ("self:%p, mute:%d", self, mute);
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self->priv->mute = mute;
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/* Go over tracked objects, and update 'active' status on all audio objects */
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trackobjects = ges_timeline_object_get_track_objects (object);
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for (tmp = trackobjects; tmp; tmp = tmp->next) {
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GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
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if (ges_track_object_get_track (trackobject)->type == GES_TRACK_TYPE_AUDIO)
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ges_track_object_set_active (trackobject, !mute);
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g_object_unref (GES_TRACK_OBJECT (tmp->data));
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}
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g_list_free (trackobjects);
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}
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/**
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* ges_timeline_filesource_set_max_duration:
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* @self: the #GESTimelineFileSource to set the maximum duration on
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* @maxduration: the maximum duration of @self
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*
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* Sets the maximum duration (in nanoseconds) of the file.
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*
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*/
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void
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ges_timeline_filesource_set_max_duration (GESTimelineFileSource * self,
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guint64 maxduration)
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{
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ges_timeline_object_set_max_duration (GES_TIMELINE_OBJECT (self),
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maxduration);
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}
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void
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filesource_set_max_duration (GESTimelineObject * object, guint64 maxduration)
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{
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GList *tmp, *tckobjs;
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if (object->duration == GST_CLOCK_TIME_NONE || object->duration == 0) {
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/* If we don't have a valid duration, use the max duration */
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g_object_set (object, "duration", maxduration - object->inpoint, NULL);
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}
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tckobjs = ges_timeline_object_get_track_objects (object);
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for (tmp = tckobjs; tmp; tmp = g_list_next (tmp)) {
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ges_track_object_set_max_duration (GES_TRACK_OBJECT (tmp->data),
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maxduration);
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}
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g_list_free_full (tckobjs, g_object_unref);
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}
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/**
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* ges_timeline_filesource_set_is_image:
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* @self: the #GESTimelineFileSource
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* @is_image: %TRUE if @self is a still image, %FALSE otherwise
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*
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* Sets whether the timeline object is a still image or not.
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*/
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void
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ges_timeline_filesource_set_is_image (GESTimelineFileSource * self,
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gboolean is_image)
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{
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self->priv->is_image = is_image;
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}
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/**
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* ges_timeline_filesource_is_muted:
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* @self: the #GESTimelineFileSource
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*
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* Lets you know if the audio track of @self is muted or not.
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*
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* Returns: %TRUE if the audio track of @self is muted, %FALSE otherwise.
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*/
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gboolean
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ges_timeline_filesource_is_muted (GESTimelineFileSource * self)
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{
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return self->priv->mute;
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}
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/**
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* ges_timeline_filesource_get_max_duration:
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* @self: the #GESTimelineFileSource
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*
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* Get the duration of the object.
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*
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* Returns: The duration of @self.
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*/
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guint64
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ges_timeline_filesource_get_max_duration (GESTimelineFileSource * self)
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{
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return ges_timeline_object_get_max_duration (GES_TIMELINE_OBJECT (self));
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}
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/**
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* ges_timeline_filesource_is_image:
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* @self: the #GESTimelineFileSource
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*
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* Lets you know if @self is an image or not.
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*
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* Returns: %TRUE if @self is a still image %FALSE otherwise.
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*/
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gboolean
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ges_timeline_filesource_is_image (GESTimelineFileSource * self)
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{
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return self->priv->is_image;
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}
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/**
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* ges_timeline_filesource_get_uri:
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* @self: the #GESTimelineFileSource
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*
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* Get the location of the resource.
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*
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* Returns: The location of the resource.
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*/
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const gchar *
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ges_timeline_filesource_get_uri (GESTimelineFileSource * self)
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{
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return self->priv->uri;
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}
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static GList *
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ges_timeline_filesource_create_track_objects (GESTimelineObject * obj,
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GESTrackType type)
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{
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GList *res = NULL;
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const GList *tmp, *stream_assets;
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g_return_val_if_fail (obj->asset, NULL);
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stream_assets =
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ges_asset_filesource_get_stream_assets (GES_ASSET_FILESOURCE
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(obj->asset));
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for (tmp = stream_assets; tmp; tmp = tmp->next) {
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GESAssetTrackObject *asset = GES_ASSET_TRACK_OBJECT (tmp->data);
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if (ges_asset_track_object_get_track_type (asset) == type)
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res = g_list_prepend (res, ges_asset_extract (GES_ASSET (asset), NULL));
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}
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return res;
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}
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static GESTrackObject *
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ges_timeline_filesource_create_track_object (GESTimelineObject * obj,
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GESTrackType type)
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{
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GESTimelineFileSourcePrivate *priv = GES_TIMELINE_FILE_SOURCE (obj)->priv;
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GESTrackObject *res;
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if (priv->is_image) {
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if (type != GES_TRACK_TYPE_VIDEO) {
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GST_DEBUG ("Object is still image, not adding any audio source");
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return NULL;
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} else {
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GST_DEBUG ("Creating a GESTrackImageSource");
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res = (GESTrackObject *) ges_track_image_source_new (priv->uri);
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}
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} else {
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GST_DEBUG ("Creating a GESTrackFileSource");
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/* FIXME : Implement properly ! */
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res = (GESTrackObject *) ges_track_filesource_new (priv->uri);
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/* If mute and track is audio, deactivate the track object */
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if (type == GES_TRACK_TYPE_AUDIO && priv->mute)
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ges_track_object_set_active (res, FALSE);
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}
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if (res)
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ges_track_object_set_track_type (res, type);
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return res;
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}
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/**
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* ges_timeline_filesource_new:
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* @uri: the URI the source should control
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*
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* Creates a new #GESTimelineFileSource for the provided @uri.
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*
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* Returns: The newly created #GESTimelineFileSource, or NULL if there was an
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* error.
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*/
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GESTimelineFileSource *
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ges_timeline_filesource_new (gchar * uri)
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{
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GESTimelineFileSource *res = NULL;
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if (gst_uri_is_valid (uri))
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res = g_object_new (GES_TYPE_TIMELINE_FILE_SOURCE, "uri", uri, NULL);
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return res;
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}
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void
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ges_timeline_filesource_set_uri (GESTimelineFileSource * self, gchar * uri)
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{
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GESTimelineObject *tlobj = GES_TIMELINE_OBJECT (self);
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GList *tckobjs = ges_timeline_object_get_track_objects (tlobj);
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if (tckobjs) {
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/* FIXME handle this case properly */
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GST_WARNING_OBJECT (tlobj, "Can not change uri when already"
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"containing TrackObjects");
|
|
|
|
return;
|
|
}
|
|
|
|
self->priv->uri = uri;
|
|
}
|