static GPtrArray *
get_missing_plugin_strings (GList *profiles, gboolean get_descriptions)
{
RBEncoder *encoder;
GPtrArray *strings;
GList *l;
encoder = rb_encoder_new ();
strings = g_ptr_array_new_with_free_func (g_free);
for (l = profiles; l != NULL; l = l->next) {
GstEncodingProfile *profile = GST_ENCODING_PROFILE (l->data);
char **details, **descriptions;
char **d;
int i;
rb_encoder_get_missing_plugins (encoder, profile, &details, &descriptions);
d = get_descriptions ? descriptions : details;
for (i = 0; d[i] != NULL; i++) {
g_ptr_array_add (strings, g_strdup (d[i]));
}
g_strfreev (details);
g_strfreev (descriptions);
}
g_ptr_array_add (strings, NULL);
g_object_unref (encoder);
return strings;
}
/**
* rb_track_transfer_batch_check_profiles:
* @batch: a #RBTrackTransferBatch
* @missing_plugin_profiles: (out) (element-type GstPbutils.EncodingProfile): holds a #GList of #GstEncodingProfiles on return
* @error_count: holds the number of entries that cannot be transferred on return
*
* Checks that all entries in the batch can be transferred in a format
* supported by the destination. If no encoding profile is available for
* some entries, but installing additional plugins could make a profile
* available, a list of profiles that require additional plugins is returned.
*
* Return value: %TRUE if some entries can be transferred without additional plugins
*/
gboolean
rb_track_transfer_batch_check_profiles (RBTrackTransferBatch *batch, GList **missing_plugin_profiles, int *error_count)
{
RBEncoder *encoder = rb_encoder_new ();
gboolean ret = FALSE;
const GList *l;
rb_debug ("checking profiles");
/* first, figure out which profiles that we care about would require additional plugins to use */
g_list_free (batch->priv->missing_plugin_profiles);
batch->priv->missing_plugin_profiles = NULL;
for (l = gst_encoding_target_get_profiles (batch->priv->target); l != NULL; l = l->next) {
GstEncodingProfile *profile = GST_ENCODING_PROFILE (l->data);
char *profile_media_type;
profile_media_type = rb_gst_encoding_profile_get_media_type (profile);
if (profile_media_type != NULL &&
(rb_gst_media_type_is_lossless (profile_media_type) == FALSE) &&
rb_encoder_get_missing_plugins (encoder, profile, NULL, NULL)) {
batch->priv->missing_plugin_profiles = g_list_append (batch->priv->missing_plugin_profiles, profile);
}
g_free (profile_media_type);
}
g_object_unref (encoder);
rb_debug ("have %d profiles with missing plugins", g_list_length (batch->priv->missing_plugin_profiles));
for (l = batch->priv->entries; l != NULL; l = l->next) {
RhythmDBEntry *entry = (RhythmDBEntry *)l->data;
GstEncodingProfile *profile;
profile = NULL;
if (select_profile_for_entry (batch, entry, &profile, FALSE) == TRUE) {
if (profile != NULL) {
rb_debug ("found profile %s for %s",
gst_encoding_profile_get_name (profile),
rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_LOCATION));
} else {
rb_debug ("copying entry %s", rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_LOCATION));
}
ret = TRUE;
continue;
}
(*error_count)++;
if (select_profile_for_entry (batch, entry, &profile, TRUE) == FALSE) {
rb_debug ("unable to transfer %s (media type %s)",
rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_LOCATION),
rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_MEDIA_TYPE));
} else {
rb_debug ("require additional plugins to transfer %s (media type %s)",
rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_LOCATION),
rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_MEDIA_TYPE));
if (*missing_plugin_profiles == NULL) {
*missing_plugin_profiles = g_list_copy (batch->priv->missing_plugin_profiles);
}
}
}
return ret;
}
static void
missing_encoder_response_cb (GtkDialog *dialog, gint response, RBTrackTransferQueue *queue)
{
GClosure *retry;
GstEncodingTarget *target;
GPtrArray *details;
GList *profiles;
const GList *l;
RBEncoder *encoder;
switch (response) {
case GTK_RESPONSE_YES:
/* 'continue' -> start the batch */
rb_debug ("starting batch regardless of missing plugins");
actually_start_batch (queue);
break;
case GTK_RESPONSE_CANCEL:
case GTK_RESPONSE_DELETE_EVENT:
/* 'cancel' -> cancel the batch and start the next one */
rb_debug ("cancelling batch");
_rb_track_transfer_batch_cancel (queue->priv->current);
g_object_unref (queue->priv->current);
queue->priv->current = NULL;
start_next_batch (queue);
break;
case GTK_RESPONSE_ACCEPT:
/* 'install plugins' -> try to install encoder/muxer */
/* get profiles that need plugins installed */
profiles = NULL;
encoder = rb_encoder_new ();
g_object_get (queue->priv->current, "encoding-target", &target, NULL);
for (l = gst_encoding_target_get_profiles (target); l != NULL; l = l->next) {
GstEncodingProfile *profile = GST_ENCODING_PROFILE (l->data);
char *profile_media_type;
profile_media_type = rb_gst_encoding_profile_get_media_type (profile);
if (profile_media_type != NULL &&
(rb_gst_media_type_is_lossless (profile_media_type) == FALSE) &&
rb_encoder_get_missing_plugins (encoder, profile, NULL, NULL)) {
profiles = g_list_append (profiles, profile);
}
g_free (profile_media_type);
}
g_object_unref (encoder);
g_object_unref (target);
if (profiles == NULL) {
rb_debug ("apparently we don't need any plugins any more");
actually_start_batch (queue);
break;
}
rb_debug ("attempting plugin installation");
details = get_missing_plugin_strings (profiles, FALSE);
retry = g_cclosure_new ((GCallback) missing_plugins_retry_cb,
g_object_ref (queue),
(GClosureNotify) g_object_unref);
g_closure_set_marshal (retry, g_cclosure_marshal_VOID__BOOLEAN);
if (rb_missing_plugins_install ((const char **)details->pdata, FALSE, retry)) {
rb_debug ("attempting to install missing plugins for transcoding");
} else {
rb_debug ("proceeding without the missing plugins for transcoding");
actually_start_batch (queue);
}
g_closure_sink (retry);
g_ptr_array_free (details, TRUE);
g_list_free (profiles);
break;
default:
g_assert_not_reached ();
}
gtk_widget_destroy (GTK_WIDGET (dialog));
}