// load file into non empty song
static void
test_bt_song_io_native_load_twice (BT_TEST_ARGS)
{
BT_TEST_START;
GST_INFO ("-- arrange --");
BtSongIO *song_io =
bt_song_io_from_file (check_get_test_song_path ("test-simple1.xml"),
NULL);
bt_song_io_load (song_io, song, NULL);
ck_g_object_final_unref (song_io);
song_io =
bt_song_io_from_file (check_get_test_song_path ("test-simple2.xml"),
NULL);
/* act & assert */
fail_unless (bt_song_io_load (song_io, song, NULL), NULL);
GST_INFO ("-- cleanup --");
ck_g_object_final_unref (song_io);
BT_TEST_END;
}
// load files with errors
static void
test_bt_song_io_native_bad_songs (BT_TEST_ARGS)
{
BT_TEST_START;
GST_INFO ("-- arrange --");
BtSongIO *song_io =
bt_song_io_from_file (check_get_test_song_path (bad_songs[_i]), NULL);
GST_INFO ("-- act & assert --");
GError *err = NULL;
fail_if (bt_song_io_load (song_io, song, &err), NULL);
fail_if (err == NULL, NULL);
GST_INFO ("-- cleanup --");
g_error_free (err);
ck_g_object_final_unref (song_io);
BT_TEST_END;
}
/**
* bt_edit_application_save_song:
* @self: the application instance to save a song from
* @file_name: the song filename to save
* @err: where to store the error message in case of an error, or %NULL
*
* Saves a song.
*
* Returns: true for success
*/
gboolean
bt_edit_application_save_song (const BtEditApplication * self,
const char *file_name, GError ** err)
{
gboolean res = FALSE;
BtSongIO *saver;
g_return_val_if_fail (BT_IS_EDIT_APPLICATION (self), FALSE);
GST_INFO ("song name = %s", file_name);
if ((saver = bt_song_io_from_file (file_name, err))) {
gchar *old_file_name = NULL, *bak_file_name = NULL;
bt_edit_application_ui_lock (self);
g_signal_connect (saver, "notify::status",
G_CALLBACK (on_songio_status_changed), (gpointer) self);
// update the time-stamp
bt_child_proxy_set (self->priv->song, "song-info::change-dts", NULL, NULL);
bt_child_proxy_get (self->priv->song, "song-info::file-name",
&old_file_name, NULL);
/* save file saving (bak files)
* save
* new file (!old_file_name)
* chosen file-name already exist
* - move to <existing>.bak
* - save newfile
* - if saving failed, move <existing>.bak back
* - if saving worked, delete <existing>.bak
* chosen file-name does not exist
* - save newfile
* existing file
* - move to <existing>.bak
* - save newfile
* - if saving failed, move <existing>.bak back
* save-as
* new file (!old_file_name)
* like save of a new-file
* existing file
* chosen file-name already exist
* - like save of an existing file
* chosen file-name does not exist
* - save newfile
*
* - check how other apps do it (check if inodes change if various scenarios)
* - when loading a file, should we keep the file-handle open, so then when
* saving, we can just update it?
* - this can help with the wavetable (only updated changed wavetable slots)
* - if we can't update it, we can use gsf_input_copy() for external files
* (if unchanged)
* - if the user deletes the file that is currently open -> user error
*/
if (g_file_test (file_name, G_FILE_TEST_EXISTS)) {
bak_file_name = g_strconcat (file_name, ".bak", NULL);
g_rename (file_name, bak_file_name);
}
if (bt_song_io_save (saver, self->priv->song, err)) {
res = TRUE;
if (!old_file_name || strcmp (old_file_name, file_name)) {
// saving worked, we remove the bak file as
// - there was no old_file_name and/or
// - user has chosen to overwrite this file
g_unlink (bak_file_name);
}
} else {
GST_WARNING ("could not save song \"%s\"", file_name);
if (bak_file_name) {
// saving failed, so move a file we renamed to .bak back
g_rename (bak_file_name, file_name);
}
}
GST_INFO ("saving done");
self->priv->unsaved = FALSE;
g_object_notify (G_OBJECT (self), "unsaved");
self->priv->need_dts_reset = TRUE;
bt_edit_application_ui_unlock (self);
g_free (old_file_name);
g_free (bak_file_name);
g_object_unref (saver);
} else {
GST_WARNING ("Unknown extension \"%s\"", file_name);
}
return res;
}
/**
* bt_edit_application_load_song:
* @self: the application instance to load a new song in
* @file_name: the song filename to load
* @err: where to store the error message in case of an error, or %NULL
*
* Loads a new song. If there is a previous song instance it will be freed.
*
* Returns: true for success
*/
gboolean
bt_edit_application_load_song (const BtEditApplication * self,
const char *file_name, GError ** err)
{
gboolean res = FALSE;
BtSongIO *loader;
BtSong *song;
g_return_val_if_fail (BT_IS_EDIT_APPLICATION (self), FALSE);
GST_INFO ("song name = %s", file_name);
if ((loader = bt_song_io_from_file (file_name, err))) {
BtSetup *setup;
GList *missing_machines, *missing_waves;
bt_edit_application_ui_lock (self);
g_signal_connect (loader, "notify::status",
G_CALLBACK (on_songio_status_changed), (gpointer) self);
// create new song and release the previous one
song = bt_song_new (BT_APPLICATION (self));
g_object_set ((gpointer) self, "song", NULL, NULL);
#ifdef USE_DEBUG
// do sanity check that bin is empty
{
GstBin *bin;
g_object_get ((gpointer) self, "bin", &bin, NULL);
if (GST_BIN_NUMCHILDREN (bin)) {
GList *node = GST_BIN_CHILDREN (bin);
GST_WARNING ("bin.num_children=%d has left-overs",
GST_BIN_NUMCHILDREN (bin));
while (node) {
GST_WARNING_OBJECT (node->data, "removing object %"
G_OBJECT_REF_COUNT_FMT, G_OBJECT_LOG_REF_COUNT (node->data));
gst_bin_remove (bin, GST_ELEMENT (node->data));
node = GST_BIN_CHILDREN (bin);
}
}
gst_object_unref (bin);
}
#endif
// this is synchronous execution
// https://github.com/Buzztrax/buzztrax/issues/52
// if we bump glib from 2.32 -> 2.36 we can use GTask and
// g_task_run_in_thread()
if (bt_song_io_load (loader, song, err)) {
BtMachine *machine;
// get sink-machine
g_object_get (song, "setup", &setup, NULL);
if ((machine =
bt_setup_get_machine_by_type (setup, BT_TYPE_SINK_MACHINE))) {
if (bt_machine_enable_input_post_level (machine)) {
// DEBUG
//bt_song_write_to_highlevel_dot_file(song);
// DEBUG
// set new song
g_object_set ((gpointer) self, "song", song, NULL);
res = TRUE;
GST_INFO ("new song activated");
} else {
GST_WARNING ("Can't add input level/gain element in sink machine");
}
GST_DEBUG ("unreffing stuff after loading");
g_object_unref (machine);
} else {
GST_WARNING ("Can't look up sink machine");
}
g_object_unref (setup);
} else {
GST_WARNING ("could not load song \"%s\"", file_name);
}
self->priv->unsaved = FALSE;
g_object_notify (G_OBJECT (self), "unsaved");
bt_edit_application_ui_unlock (self);
// get missing element info
bt_child_proxy_get (song, "setup::missing-machines", &missing_machines,
"wavetable::missing-waves", &missing_waves, NULL);
// tell about missing machines and/or missing waves
if (missing_machines || missing_waves) {
GtkWidget *dialog;
if ((dialog =
GTK_WIDGET (bt_missing_song_elements_dialog_new (missing_machines,
missing_waves)))) {
bt_edit_application_attach_child_window (self, GTK_WINDOW (dialog));
gtk_widget_show_all (dialog);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
}
g_object_unref (song);
g_object_unref (loader);
} else {
GST_WARNING ("Unknown extension \"%s\"", file_name);
}
return res;
}
