diff options
Diffstat (limited to 'ext/lv2')
-rw-r--r-- | ext/lv2/gstlv2.c | 136 |
1 files changed, 93 insertions, 43 deletions
diff --git a/ext/lv2/gstlv2.c b/ext/lv2/gstlv2.c index 7c6e1c3b..ac4c9038 100644 --- a/ext/lv2/gstlv2.c +++ b/ext/lv2/gstlv2.c @@ -60,28 +60,28 @@ static void gst_lv2_cleanup (GstSignalProcessor * sigproc); static void gst_lv2_process (GstSignalProcessor * sigproc, guint nframes); static SLV2World world; -SLV2Value audio_class; -SLV2Value control_class; -SLV2Value input_class; -SLV2Value output_class; -SLV2Value integer_prop; -SLV2Value toggled_prop; -SLV2Value in_place_broken_pred; -SLV2Value in_group_pred; -SLV2Value has_role_pred; -SLV2Value lv2_symbol_pred; - -SLV2Value center_role; -SLV2Value left_role; -SLV2Value right_role; -SLV2Value rear_center_role; -SLV2Value rear_left_role; -SLV2Value rear_right_role; -SLV2Value lfe_role; -SLV2Value center_left_role; -SLV2Value center_right_role; -SLV2Value side_left_role; -SLV2Value side_right_role; +static SLV2Value audio_class; +static SLV2Value control_class; +static SLV2Value input_class; +static SLV2Value output_class; +static SLV2Value integer_prop; +static SLV2Value toggled_prop; +static SLV2Value in_place_broken_pred; +static SLV2Value in_group_pred; +static SLV2Value has_role_pred; +static SLV2Value lv2_symbol_pred; + +static SLV2Value center_role; +static SLV2Value left_role; +static SLV2Value right_role; +static SLV2Value rear_center_role; +static SLV2Value rear_left_role; +static SLV2Value rear_right_role; +static SLV2Value lfe_role; +static SLV2Value center_left_role; +static SLV2Value center_right_role; +static SLV2Value side_left_role; +static SLV2Value side_right_role; static GstSignalProcessorClass *parent_class; @@ -209,6 +209,7 @@ gst_lv2_base_init (gpointer g_class) for (j = 0; j < slv2_plugin_get_num_ports (lv2plugin); j++) { const SLV2Port port = slv2_plugin_get_port_by_index (lv2plugin, j); const gboolean is_input = slv2_port_is_a (lv2plugin, port, input_class); + gboolean in_group = FALSE; struct _GstLV2Port desc = { j, 0 }; values = slv2_port_get_value (lv2plugin, port, in_group_pred); @@ -217,41 +218,58 @@ gst_lv2_base_init (gpointer g_class) SLV2Value group_uri = slv2_values_get_at (values, 0); GArray *groups = is_input ? klass->in_groups : klass->out_groups; GstLV2Group *group = gst_lv2_class_find_group (groups, group_uri); + in_group = TRUE; if (group == NULL) { GstLV2Group g; g.uri = slv2_value_duplicate (group_uri); g.pad = is_input ? in_pad_index++ : out_pad_index++; g.ports = g_array_new (FALSE, TRUE, sizeof (GstLV2Port)); g.has_roles = TRUE; + g.symbol = NULL; sub_values = slv2_plugin_get_value_for_subject (lv2plugin, group_uri, lv2_symbol_pred); - if (slv2_values_size (sub_values) > 0) + /* symbol is mandatory */ + if (slv2_values_size (sub_values) > 0) { g.symbol = slv2_value_duplicate (slv2_values_get_at (sub_values, 0)); - else - g.symbol = NULL; - slv2_values_free (sub_values); - - g_array_append_val (groups, g); - group = &g_array_index (groups, GstLV2Group, groups->len - 1); + if (!gst_element_class_get_pad_template (element_class, + slv2_value_as_string (g.symbol))) { + g_array_append_val (groups, g); + group = &g_array_index (groups, GstLV2Group, groups->len - 1); + assert (group); + assert (slv2_value_equals (group->uri, group_uri)); + } else { + GST_WARNING ("plugin %s has duplicate group symbol '%s'\n", + slv2_value_as_string (slv2_plugin_get_uri (lv2plugin)), + slv2_value_as_string (g.symbol)); + in_group = FALSE; + } + } else { + GST_WARNING ("plugin %s has illegal group with no symbol\n", + slv2_value_as_string (slv2_plugin_get_uri (lv2plugin))); + in_group = FALSE; + } } - position = GST_AUDIO_CHANNEL_POSITION_INVALID; - sub_values = slv2_port_get_value (lv2plugin, port, has_role_pred); - if (slv2_values_size (sub_values) > 0) { - SLV2Value role = slv2_values_get_at (sub_values, 0); - position = gst_lv2_role_to_position (role); + if (in_group) { + position = GST_AUDIO_CHANNEL_POSITION_INVALID; + sub_values = slv2_port_get_value (lv2plugin, port, has_role_pred); + if (slv2_values_size (sub_values) > 0) { + SLV2Value role = slv2_values_get_at (sub_values, 0); + position = gst_lv2_role_to_position (role); + } slv2_values_free (sub_values); + if (position != GST_AUDIO_CHANNEL_POSITION_INVALID) { + desc.position = position; + g_array_append_val (group->ports, desc); + } else { + in_group = FALSE; + } } - if (position != GST_AUDIO_CHANNEL_POSITION_INVALID) { - desc.position = position; - } else { - group->has_roles = FALSE; - } - - g_array_append_val (group->ports, desc); + } - } else { - /* port is not part of a group */ + if (!in_group) { + /* port is not part of a group, or it is part of a group but that group + * is illegal so we just ignore it */ if (slv2_port_is_a (lv2plugin, port, audio_class)) { desc.pad = is_input ? in_pad_index++ : out_pad_index++; if (is_input) @@ -788,6 +806,38 @@ plugin_init (GstPlugin * plugin) return lv2_plugin_discover (); } +#ifdef __GNUC__ +__attribute__ ((destructor)) +#endif + static void plugin_cleanup (GstPlugin * plugin) +{ + slv2_value_free (audio_class); + slv2_value_free (control_class); + slv2_value_free (input_class); + slv2_value_free (output_class); + + slv2_value_free (integer_prop); + slv2_value_free (toggled_prop); + slv2_value_free (in_place_broken_pred); + slv2_value_free (in_group_pred); + slv2_value_free (has_role_pred); + slv2_value_free (lv2_symbol_pred); + + slv2_value_free (center_role); + slv2_value_free (left_role); + slv2_value_free (right_role); + slv2_value_free (rear_center_role); + slv2_value_free (rear_left_role); + slv2_value_free (rear_right_role); + slv2_value_free (lfe_role); + slv2_value_free (center_left_role); + slv2_value_free (center_right_role); + slv2_value_free (side_left_role); + slv2_value_free (side_right_role); + + slv2_world_free (world); +} + GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "lv2", |