fileinfo.c

这是著名的TCPMP播放器在WINDWOWS,和WINCE下编译通过的源程序.笔者对其中的LIBMAD库做了针对ARM MPU的优化. 并增加了词幕功能.

	else
		label_set_text(flac_blocksize, _("Blocksize: variable\n  min/max: %d/%d"), streaminfo.data.stream_info.min_blocksize, streaminfo.data.stream_info.max_blocksize);

	if (streaminfo.data.stream_info.total_samples)
		label_set_text(flac_samples, _("Samples: %llu\nLength: %d:%.2d"),
				streaminfo.data.stream_info.total_samples,
				(int)(streaminfo.data.stream_info.total_samples / streaminfo.data.stream_info.sample_rate / 60),
				(int)(streaminfo.data.stream_info.total_samples / streaminfo.data.stream_info.sample_rate % 60));

	if(!stat(current_filename, &_stat) && S_ISREG(_stat.st_mode)) {
		label_set_text(flac_filesize, _("Filesize: %ld B"), _stat.st_size);
		if (streaminfo.data.stream_info.total_samples)
			label_set_text(flac_bitrate, _("Avg. bitrate: %.1f kb/s\nCompression ratio: %.1f%%"),
					8.0 * (float)(_stat.st_size) / (1000.0 * (float)streaminfo.data.stream_info.total_samples / (float)streaminfo.data.stream_info.sample_rate),
					100.0 * (float)_stat.st_size / (float)(streaminfo.data.stream_info.bits_per_sample / 8 * streaminfo.data.stream_info.channels * streaminfo.data.stream_info.total_samples));
	}
}

void FLAC_XMMS__file_info_box(char *filename)
{
	unsigned i;
	gchar *title;

	if (!window)
	{
		GtkWidget *vbox, *hbox, *left_vbox, *table;
		GtkWidget *flac_frame, *flac_box;
		GtkWidget *label, *filename_hbox;
		GtkWidget *bbox, *save, *remove, *cancel;

		window = gtk_window_new(GTK_WINDOW_DIALOG);
		gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
		gtk_signal_connect(GTK_OBJECT(window), "destroy", GTK_SIGNAL_FUNC(gtk_widget_destroyed), &window);
		gtk_container_set_border_width(GTK_CONTAINER(window), 10);

		vbox = gtk_vbox_new(FALSE, 10);
		gtk_container_add(GTK_CONTAINER(window), vbox);

		filename_hbox = gtk_hbox_new(FALSE, 5);
		gtk_box_pack_start(GTK_BOX(vbox), filename_hbox, FALSE, TRUE, 0);

		label = gtk_label_new(_("Filename:"));
		gtk_box_pack_start(GTK_BOX(filename_hbox), label, FALSE, TRUE, 0);
		filename_entry = gtk_entry_new();
		gtk_editable_set_editable(GTK_EDITABLE(filename_entry), FALSE);
		gtk_box_pack_start(GTK_BOX(filename_hbox), filename_entry, TRUE, TRUE, 0);

		hbox = gtk_hbox_new(FALSE, 10);
		gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);

		left_vbox = gtk_vbox_new(FALSE, 10);
		gtk_box_pack_start(GTK_BOX(hbox), left_vbox, FALSE, FALSE, 0);

		tag_frame = gtk_frame_new(_("Tag:"));
		gtk_box_pack_start(GTK_BOX(left_vbox), tag_frame, FALSE, FALSE, 0);

		table = gtk_table_new(5, 5, FALSE);
		gtk_container_set_border_width(GTK_CONTAINER(table), 5);
		gtk_container_add(GTK_CONTAINER(tag_frame), table);

		label = gtk_label_new(_("Title:"));
		gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
		gtk_table_attach(GTK_TABLE(table), label, 0, 1, 0, 1, GTK_FILL, GTK_FILL, 5, 5);

		title_entry = gtk_entry_new();
		gtk_table_attach(GTK_TABLE(table), title_entry, 1, 4, 0, 1, GTK_FILL | GTK_EXPAND | GTK_SHRINK, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 5);

		label = gtk_label_new(_("Artist:"));
		gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
		gtk_table_attach(GTK_TABLE(table), label, 0, 1, 1, 2, GTK_FILL, GTK_FILL, 5, 5);

		artist_entry = gtk_entry_new();
		gtk_table_attach(GTK_TABLE(table), artist_entry, 1, 4, 1, 2, GTK_FILL | GTK_EXPAND | GTK_SHRINK, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 5);

		label = gtk_label_new(_("Album:"));
		gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
		gtk_table_attach(GTK_TABLE(table), label, 0, 1, 2, 3, GTK_FILL, GTK_FILL, 5, 5);

		album_entry = gtk_entry_new();
		gtk_table_attach(GTK_TABLE(table), album_entry, 1, 4, 2, 3, GTK_FILL | GTK_EXPAND | GTK_SHRINK, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 5);

		label = gtk_label_new(_("Comment:"));
		gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
		gtk_table_attach(GTK_TABLE(table), label, 0, 1, 3, 4, GTK_FILL, GTK_FILL, 5, 5);

		comment_entry = gtk_entry_new();
		gtk_table_attach(GTK_TABLE(table), comment_entry, 1, 4, 3, 4, GTK_FILL | GTK_EXPAND | GTK_SHRINK, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 5);

		label = gtk_label_new(_("Date:"));
		gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
		gtk_table_attach(GTK_TABLE(table), label, 0, 1, 4, 5, GTK_FILL, GTK_FILL, 5, 5);

		date_entry = gtk_entry_new();
		gtk_widget_set_usize(date_entry, 40, -1);
		gtk_table_attach(GTK_TABLE(table), date_entry, 1, 2, 4, 5, GTK_FILL | GTK_EXPAND | GTK_SHRINK, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 5);

		label = gtk_label_new(_("Track number:"));
		gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
		gtk_table_attach(GTK_TABLE(table), label, 2, 3, 4, 5, GTK_FILL, GTK_FILL, 5, 5);

		tracknum_entry = gtk_entry_new();
		gtk_widget_set_usize(tracknum_entry, 40, -1);
		gtk_table_attach(GTK_TABLE(table), tracknum_entry, 3, 4, 4, 5, GTK_FILL | GTK_EXPAND | GTK_SHRINK, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 5);

		label = gtk_label_new(_("Genre:"));
		gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5);
		gtk_table_attach(GTK_TABLE(table), label, 0, 1, 5, 6, GTK_FILL, GTK_FILL, 5, 5);

		genre_combo = gtk_combo_new();
		gtk_entry_set_editable(GTK_ENTRY(GTK_COMBO(genre_combo)->entry), TRUE);

		if (!genre_list)
		{
			for (i = 0; i < sizeof(vorbis_genres) / sizeof(*vorbis_genres) ; i++)
				genre_list = g_list_prepend(genre_list, (char *)vorbis_genres[i]);
			genre_list = g_list_prepend(genre_list, "");
			genre_list = g_list_sort(genre_list, (GCompareFunc)g_strcasecmp);
		}
		gtk_combo_set_popdown_strings(GTK_COMBO(genre_combo), genre_list);

		gtk_table_attach(GTK_TABLE(table), genre_combo, 1, 4, 5, 6, GTK_FILL | GTK_EXPAND | GTK_SHRINK, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 5);

		bbox = gtk_hbutton_box_new();
		gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox), GTK_BUTTONBOX_END);
		gtk_button_box_set_spacing(GTK_BUTTON_BOX(bbox), 5);
		gtk_box_pack_start(GTK_BOX(left_vbox), bbox, FALSE, FALSE, 0);

		save = gtk_button_new_with_label(_("Save"));
		gtk_signal_connect(GTK_OBJECT(save), "clicked", GTK_SIGNAL_FUNC(save_tag), NULL);
		GTK_WIDGET_SET_FLAGS(save, GTK_CAN_DEFAULT);
		gtk_box_pack_start(GTK_BOX(bbox), save, TRUE, TRUE, 0);
		gtk_widget_grab_default(save);

		remove= gtk_button_new_with_label(_("Remove Tag"));
		gtk_signal_connect(GTK_OBJECT(remove), "clicked", GTK_SIGNAL_FUNC(remove_tag), NULL);
		GTK_WIDGET_SET_FLAGS(remove, GTK_CAN_DEFAULT);
		gtk_box_pack_start(GTK_BOX(bbox), remove, TRUE, TRUE, 0);

		cancel = gtk_button_new_with_label(_("Cancel"));
		gtk_signal_connect_object(GTK_OBJECT(cancel), "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(window));
		GTK_WIDGET_SET_FLAGS(cancel, GTK_CAN_DEFAULT);
		gtk_box_pack_start(GTK_BOX(bbox), cancel, TRUE, TRUE, 0);

		flac_frame = gtk_frame_new(_("FLAC Info:"));
		gtk_box_pack_start(GTK_BOX(hbox), flac_frame, FALSE, FALSE, 0);

		flac_box = gtk_vbox_new(FALSE, 5);
		gtk_container_add(GTK_CONTAINER(flac_frame), flac_box);
		gtk_container_set_border_width(GTK_CONTAINER(flac_box), 10);
		gtk_box_set_spacing(GTK_BOX(flac_box), 0);

		flac_samplerate = gtk_label_new("");
		gtk_misc_set_alignment(GTK_MISC(flac_samplerate), 0, 0);
		gtk_label_set_justify(GTK_LABEL(flac_samplerate), GTK_JUSTIFY_LEFT);
		gtk_box_pack_start(GTK_BOX(flac_box), flac_samplerate, FALSE, FALSE, 0);

		flac_channels = gtk_label_new("");
		gtk_misc_set_alignment(GTK_MISC(flac_channels), 0, 0);
		gtk_label_set_justify(GTK_LABEL(flac_channels), GTK_JUSTIFY_LEFT);
		gtk_box_pack_start(GTK_BOX(flac_box), flac_channels, FALSE, FALSE, 0);

		flac_bits_per_sample = gtk_label_new("");
		gtk_misc_set_alignment(GTK_MISC(flac_bits_per_sample), 0, 0);
		gtk_label_set_justify(GTK_LABEL(flac_bits_per_sample), GTK_JUSTIFY_LEFT);
		gtk_box_pack_start(GTK_BOX(flac_box), flac_bits_per_sample, FALSE, FALSE, 0);

		flac_blocksize = gtk_label_new("");
		gtk_misc_set_alignment(GTK_MISC(flac_blocksize), 0, 0);
		gtk_label_set_justify(GTK_LABEL(flac_blocksize), GTK_JUSTIFY_LEFT);
		gtk_box_pack_start(GTK_BOX(flac_box), flac_blocksize, FALSE, FALSE, 0);

		flac_filesize = gtk_label_new("");
		gtk_misc_set_alignment(GTK_MISC(flac_filesize), 0, 0);
		gtk_label_set_justify(GTK_LABEL(flac_filesize), GTK_JUSTIFY_LEFT);
		gtk_box_pack_start(GTK_BOX(flac_box), flac_filesize, FALSE, FALSE, 0);

		flac_samples = gtk_label_new("");
		gtk_misc_set_alignment(GTK_MISC(flac_samples), 0, 0);
		gtk_label_set_justify(GTK_LABEL(flac_samples), GTK_JUSTIFY_LEFT);
		gtk_box_pack_start(GTK_BOX(flac_box), flac_samples, FALSE, FALSE, 0);

		flac_bitrate = gtk_label_new("");
		gtk_misc_set_alignment(GTK_MISC(flac_bitrate), 0, 0);
		gtk_label_set_justify(GTK_LABEL(flac_bitrate), GTK_JUSTIFY_LEFT);
		gtk_box_pack_start(GTK_BOX(flac_box), flac_bitrate, FALSE, FALSE, 0);

		gtk_widget_show_all(window);
	}

	if(current_filename)
		g_free(current_filename);
	if(!(current_filename = g_strdup(filename)))
		return;

	title = g_strdup_printf(_("File Info - %s"), g_basename(filename));
	gtk_window_set_title(GTK_WINDOW(window), title);
	g_free(title);

	gtk_entry_set_text(GTK_ENTRY(filename_entry), filename);
	gtk_editable_set_position(GTK_EDITABLE(filename_entry), -1);

	if(tags_)
		FLAC_plugin__tags_destroy(&tags_);

	FLAC_plugin__tags_get(current_filename, &tags_);

	show_tag();
	show_file_info();

	gtk_widget_set_sensitive(tag_frame, TRUE);
}