diff options
Diffstat (limited to 'extensions/audio-video-properties/totem-properties-view.c')
| -rw-r--r-- | extensions/audio-video-properties/totem-properties-view.c | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/extensions/audio-video-properties/totem-properties-view.c b/extensions/audio-video-properties/totem-properties-view.c new file mode 100644 index 0000000..f280fa2 --- /dev/null +++ b/extensions/audio-video-properties/totem-properties-view.c @@ -0,0 +1,389 @@ +/* + * Copyright (C) 2003 Andrew Sobala <aes@gnome.org> + * Copyright (C) 2004 Bastien Nocera <hadess@hadess.net> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU 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 + * General Public License for more details. + * + * You should have received a copy of the GNU 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 + * + */ + +#include <config.h> + +#include <gtk/gtk.h> +#include <glib/gi18n-lib.h> + +#define GST_USE_UNSTABLE_API 1 +#include <gst/tag/tag.h> +#include <gst/pbutils/pbutils.h> + +#include "totem-properties-view.h" +#include "bacon-video-widget-properties.h" + +struct TotemPropertiesViewPriv { + GtkWidget *label; + GtkWidget *vbox; + BaconVideoWidgetProperties *props; + GstDiscoverer *disco; +}; + +static GObjectClass *parent_class = NULL; +static void totem_properties_view_finalize (GObject *object); + +G_DEFINE_TYPE (TotemPropertiesView, totem_properties_view, GTK_TYPE_GRID) + +void +totem_properties_view_register_type (GTypeModule *module) +{ + totem_properties_view_get_type (); +} + +static void +totem_properties_view_class_init (TotemPropertiesViewClass *class) +{ + parent_class = g_type_class_peek_parent (class); + G_OBJECT_CLASS (class)->finalize = totem_properties_view_finalize; +} + +static void +update_general (TotemPropertiesView *props, + const GstTagList *list) +{ + struct { + const char *tag_name; + const char *widget; + } items[] = { + { GST_TAG_TITLE, "title" }, + { GST_TAG_ARTIST, "artist" }, + { GST_TAG_ALBUM, "album" }, + }; + guint i; + GDate *date; + GstDateTime *datetime; + gchar *comment; + + for (i = 0; i < G_N_ELEMENTS(items); i++) { + char *string; + + if (gst_tag_list_get_string_index (list, items[i].tag_name, 0, &string) != FALSE) { + bacon_video_widget_properties_set_label (props->priv->props, + items[i].widget, + string); + g_free (string); + } + } + + /* Comment else use Description defined by: + * http://xiph.org/vorbis/doc/v-comment.html */ + if (gst_tag_list_get_string (list, GST_TAG_COMMENT, &comment) || + gst_tag_list_get_string (list, GST_TAG_DESCRIPTION, &comment)) { + + bacon_video_widget_properties_set_label (props->priv->props, + "comment", + comment); + g_free (comment); + } + + /* Date */ + if (gst_tag_list_get_date (list, GST_TAG_DATE, &date)) { + char *string; + + string = g_strdup_printf ("%d", g_date_get_year (date)); + g_date_free (date); + bacon_video_widget_properties_set_label (props->priv->props, + "year", + string); + g_free (string); + } else if (gst_tag_list_get_date_time (list, GST_TAG_DATE_TIME, &datetime)) { + char *string; + + string = g_strdup_printf ("%d", gst_date_time_get_year (datetime)); + gst_date_time_unref (datetime); + bacon_video_widget_properties_set_label (props->priv->props, + "year", + string); + g_free (string); + } +} + +static void +set_codec (TotemPropertiesView *props, + GstDiscovererStreamInfo *info, + const char *widget) +{ + GstCaps *caps; + const char *nick; + + nick = gst_discoverer_stream_info_get_stream_type_nick (info); + if (g_str_equal (nick, "audio") == FALSE && + g_str_equal (nick, "video") == FALSE && + g_str_equal (nick, "container") == FALSE) { + bacon_video_widget_properties_set_label (props->priv->props, + widget, + _("N/A")); + return; + } + + caps = gst_discoverer_stream_info_get_caps (info); + if (caps) { + if (gst_caps_is_fixed (caps)) { + char *string; + + string = gst_pb_utils_get_codec_description (caps); + bacon_video_widget_properties_set_label (props->priv->props, + widget, + string); + g_free (string); + } + gst_caps_unref (caps); + } +} + +static void +set_bitrate (TotemPropertiesView *props, + guint bitrate, + const char *widget) +{ + char *string; + + if (!bitrate) { + bacon_video_widget_properties_set_label (props->priv->props, + widget, + C_("Stream bit rate", "N/A")); + return; + } + string = g_strdup_printf (_("%d kbps"), bitrate / 1000); + bacon_video_widget_properties_set_label (props->priv->props, + widget, + string); + g_free (string); +} + +static void +update_video (TotemPropertiesView *props, + GstDiscovererVideoInfo *info) +{ + guint width, height; + guint fps_n, fps_d; + char *string; + + width = gst_discoverer_video_info_get_width (info); + height = gst_discoverer_video_info_get_height (info); + string = g_strdup_printf (N_("%d × %d"), width, height); + bacon_video_widget_properties_set_label (props->priv->props, + "dimensions", + string); + g_free (string); + + set_codec (props, (GstDiscovererStreamInfo *) info, "vcodec"); + set_bitrate (props, gst_discoverer_video_info_get_bitrate (info), "video_bitrate"); + + /* Round up/down to the nearest integer framerate */ + fps_n = gst_discoverer_video_info_get_framerate_num (info); + fps_d = gst_discoverer_video_info_get_framerate_denom (info); + if (fps_d > 0.0) + bacon_video_widget_properties_set_framerate (props->priv->props, + (float) fps_n / (float) fps_d); + else + bacon_video_widget_properties_set_framerate (props->priv->props, 0.0); +} + +static void +update_audio (TotemPropertiesView *props, + GstDiscovererAudioInfo *info) +{ + guint samplerate, channels; + + set_codec (props, (GstDiscovererStreamInfo *) info, "acodec"); + + set_bitrate (props, gst_discoverer_audio_info_get_bitrate (info), "audio_bitrate"); + + samplerate = gst_discoverer_audio_info_get_sample_rate (info); + if (samplerate) { + char *string; + string = g_strdup_printf (_("%d Hz"), samplerate); + bacon_video_widget_properties_set_label (props->priv->props, + "samplerate", + string); + g_free (string); + } else { + bacon_video_widget_properties_set_label (props->priv->props, + "samplerate", + C_("Sample rate", "N/A")); + } + + channels = gst_discoverer_audio_info_get_channels (info); + if (channels) { + char *string; + + if (channels > 2) { + string = g_strdup_printf ("%s %d.1", _("Surround"), channels - 1); + } else if (channels == 1) { + string = g_strdup (_("Mono")); + } else if (channels == 2) { + string = g_strdup (_("Stereo")); + } else { + string = g_strdup (""); //Should not happen + } + bacon_video_widget_properties_set_label (props->priv->props, + "channels", + string); + g_free (string); + } else { + bacon_video_widget_properties_set_label (props->priv->props, + "channels", + C_("Number of audio channels", "N/A")); + } +} + +static void +discovered_cb (GstDiscoverer *discoverer, + GstDiscovererInfo *info, + GError *error, + TotemPropertiesView *props) +{ + GList *video_streams, *audio_streams; + const GstTagList *taglist; + gboolean has_audio, has_video; + const char *label; + GstClockTime duration; + GstDiscovererStreamInfo *sinfo; + + if (error) { + g_warning ("Couldn't get information about '%s': %s", + gst_discoverer_info_get_uri (info), + error->message); + return; + } + + video_streams = gst_discoverer_info_get_video_streams (info); + has_video = (video_streams != NULL); + audio_streams = gst_discoverer_info_get_audio_streams (info); + has_audio = (audio_streams != NULL); + + if (has_audio == has_video) + label = N_("Audio/Video"); + else if (has_audio) + label = N_("Audio"); + else + label = N_("Video"); + + gtk_label_set_text (GTK_LABEL (props->priv->label), _(label)); + + /* Widgets */ + bacon_video_widget_properties_set_has_type (props->priv->props, + has_video, + has_audio); + + /* General */ + duration = gst_discoverer_info_get_duration (info); + bacon_video_widget_properties_set_duration (props->priv->props, duration / GST_SECOND * 1000); + + sinfo = gst_discoverer_info_get_stream_info (info); + if (sinfo) { + set_codec (props, sinfo, "container"); + gst_discoverer_stream_info_unref (sinfo); + } + + taglist = gst_discoverer_info_get_tags (info); + update_general (props, taglist); + + /* Video and Audio */ + if (video_streams) + update_video (props, video_streams->data); + if (audio_streams) + update_audio (props, audio_streams->data); + + gst_discoverer_stream_info_list_free (video_streams); + gst_discoverer_stream_info_list_free (audio_streams); +} + +static void +totem_properties_view_init (TotemPropertiesView *props) +{ + GError *err = NULL; + + props->priv = g_new0 (TotemPropertiesViewPriv, 1); + + props->priv->vbox = bacon_video_widget_properties_new (); + gtk_grid_attach (GTK_GRID (props), props->priv->vbox, 0, 0, 1, 1); + gtk_widget_show (GTK_WIDGET (props)); + + props->priv->props = BACON_VIDEO_WIDGET_PROPERTIES (props->priv->vbox); + + props->priv->disco = gst_discoverer_new (GST_SECOND * 60, &err); + if (props->priv->disco == NULL) { + g_warning ("Could not create discoverer object: %s", err->message); + g_error_free (err); + return; + } + g_signal_connect (props->priv->disco, "discovered", + G_CALLBACK (discovered_cb), props); +} + +static void +totem_properties_view_finalize (GObject *object) +{ + TotemPropertiesView *props; + + props = TOTEM_PROPERTIES_VIEW (object); + + if (props->priv != NULL) { + if (props->priv->disco) { + g_signal_handlers_disconnect_by_func (props->priv->disco, + discovered_cb, + props); + gst_discoverer_stop (props->priv->disco); + g_clear_object (&props->priv->disco); + } + g_clear_object (&props->priv->label); + g_free (props->priv); + } + props->priv = NULL; + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +totem_properties_view_set_location (TotemPropertiesView *props, + const char *location) +{ + g_assert (TOTEM_IS_PROPERTIES_VIEW (props)); + + if (props->priv->disco) + gst_discoverer_stop (props->priv->disco); + + bacon_video_widget_properties_reset (props->priv->props); + + if (location != NULL && props->priv->disco != NULL) { + gst_discoverer_start (props->priv->disco); + + if (gst_discoverer_discover_uri_async (props->priv->disco, location) == FALSE) { + g_warning ("Couldn't add %s to list", location); + return; + } + } +} + +GtkWidget * +totem_properties_view_new (const char *location, GtkWidget *label) +{ + TotemPropertiesView *self; + + self = g_object_new (TOTEM_TYPE_PROPERTIES_VIEW, NULL); + g_object_ref (label); + self->priv->label = label; + totem_properties_view_set_location (self, location); + + return GTK_WIDGET (self); +} |