mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-01 21:18:52 +00:00
Query and store port group information.
Replace port index arrays with a struct for holding more information than just indices (e.g. groups).
This commit is contained in:
Dave Robillard
Stefan Kost
parent
db1a4ba50b
commit
8eeb2f3751
2 changed files with 63 additions and 22 deletions
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@ -24,6 +24,7 @@
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#endif
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#include <string.h>
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#include <math.h>
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#include <glib.h>
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#include <gst/audio/audio.h>
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#include <gst/controller/gstcontroller.h>
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@ -59,6 +60,13 @@ static GstPlugin *gst_lv2_plugin;
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GST_DEBUG_CATEGORY_STATIC (lv2_debug);
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#define GST_CAT_DEFAULT lv2_debug
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static gint
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gst_lv2_value_cmp (gconstpointer a, gconstpointer b)
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{
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if (slv2_value_equals ((SLV2Value) a, (SLV2Value) b))
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return 0;
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return 1;
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}
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static void
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gst_lv2_base_init (gpointer g_class)
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@ -68,7 +76,8 @@ gst_lv2_base_init (gpointer g_class)
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GstSignalProcessorClass *gsp_class = GST_SIGNAL_PROCESSOR_CLASS (g_class);
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GstElementDetails *details;
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SLV2Plugin lv2plugin;
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SLV2Value val;
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SLV2Value val, pred;
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SLV2Values values;
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guint j, audio_in_count, audio_out_count, control_in_count, control_out_count;
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gchar *klass_tags;
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@ -149,39 +158,64 @@ gst_lv2_base_init (gpointer g_class)
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g_free (details->author);
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g_free (details);
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klass->audio_in_portnums = g_new0 (gint, gsp_class->num_audio_in);
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klass->audio_out_portnums = g_new0 (gint, gsp_class->num_audio_out);
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klass->control_in_portnums = g_new0 (gint, gsp_class->num_control_in);
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klass->control_out_portnums = g_new0 (gint, gsp_class->num_control_out);
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klass->groups = NULL;
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klass->audio_in_ports = g_new0 (struct _GstLV2Port, gsp_class->num_audio_in);
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klass->audio_out_ports =
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g_new0 (struct _GstLV2Port, gsp_class->num_audio_out);
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klass->control_in_ports =
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g_new0 (struct _GstLV2Port, gsp_class->num_control_in);
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klass->control_out_ports =
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g_new0 (struct _GstLV2Port, gsp_class->num_control_out);
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audio_in_count = audio_out_count = control_in_count = control_out_count = 0;
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pred = slv2_value_new_uri (world,
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"http://lv2plug.in/ns/dev/port-groups#inGroup");
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for (j = 0; j < slv2_plugin_get_num_ports (lv2plugin); j++) {
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SLV2Port port = slv2_plugin_get_port_by_index (lv2plugin, j);
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gboolean is_input = slv2_port_is_a (lv2plugin, port, input_class);
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struct _GstLV2Port *desc = NULL;
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if (slv2_port_is_a (lv2plugin, port, audio_class)) {
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if (is_input)
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klass->audio_in_portnums[audio_in_count++] = j;
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desc = &klass->audio_in_ports[audio_in_count++];
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else
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klass->audio_out_portnums[audio_out_count++] = j;
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desc = &klass->audio_out_ports[audio_out_count++];
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} else if (slv2_port_is_a (lv2plugin, port, control_class)) {
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if (is_input)
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klass->control_in_portnums[control_in_count++] = j;
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desc = &klass->control_in_ports[control_in_count++];
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else
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klass->control_out_portnums[control_out_count++] = j;
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desc = &klass->control_out_ports[control_out_count++];
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} else {
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/* unknown port type */
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continue;
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}
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desc->index = j;
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values = slv2_port_get_value (lv2plugin, port, pred);
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if (slv2_values_size (values) > 0) {
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SLV2Value v = slv2_values_get_at (values, 0);
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desc->group = v;
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if (!g_slist_find_custom (klass->groups, v, gst_lv2_value_cmp)) {
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klass->groups =
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g_slist_prepend (klass->groups, slv2_value_duplicate (v));
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}
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}
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slv2_values_free (values);
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}
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slv2_value_free (pred);
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g_assert (audio_in_count == gsp_class->num_audio_in);
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g_assert (audio_out_count == gsp_class->num_audio_out);
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g_assert (control_in_count == gsp_class->num_control_in);
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g_assert (control_out_count == gsp_class->num_control_out);
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val = slv2_value_new_uri (world,
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pred = slv2_value_new_uri (world,
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"http://lv2plug.in/ns/lv2core#inPlaceBroken");
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if (!slv2_plugin_has_feature (lv2plugin, val))
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if (!slv2_plugin_has_feature (lv2plugin, pred))
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GST_SIGNAL_PROCESSOR_CLASS_SET_CAN_PROCESS_IN_PLACE (klass);
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slv2_value_free (val);
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slv2_value_free (pred);
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klass->plugin = lv2plugin;
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}
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@ -277,7 +311,7 @@ gst_lv2_class_init (GstLV2Class * klass, SLV2Plugin lv2plugin)
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for (i = 0; i < gsp_class->num_control_in; i++) {
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GParamSpec *p;
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p = gst_lv2_class_get_param_spec (klass, klass->control_in_portnums[i]);
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p = gst_lv2_class_get_param_spec (klass, klass->control_in_ports[i].index);
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/* properties have an offset of 1 */
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g_object_class_install_property (G_OBJECT_CLASS (klass), i + 1, p);
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@ -286,7 +320,7 @@ gst_lv2_class_init (GstLV2Class * klass, SLV2Plugin lv2plugin)
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for (i = 0; i < gsp_class->num_control_out; i++) {
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GParamSpec *p;
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p = gst_lv2_class_get_param_spec (klass, klass->control_out_portnums[i]);
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p = gst_lv2_class_get_param_spec (klass, klass->control_out_ports[i].index);
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/* properties have an offset of 1, and we already added num_control_in */
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g_object_class_install_property (G_OBJECT_CLASS (klass),
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@ -396,10 +430,10 @@ gst_lv2_setup (GstSignalProcessor * gsp, guint sample_rate)
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/* connect the control ports */
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for (i = 0; i < gsp_class->num_control_in; i++)
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slv2_instance_connect_port (lv2->instance,
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oclass->control_in_portnums[i], &(gsp->control_in[i]));
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oclass->control_in_ports[i].index, &(gsp->control_in[i]));
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for (i = 0; i < gsp_class->num_control_out; i++)
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slv2_instance_connect_port (lv2->instance,
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oclass->control_out_portnums[i], &(gsp->control_out[i]));
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oclass->control_out_ports[i].index, &(gsp->control_out[i]));
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return TRUE;
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}
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@ -465,10 +499,10 @@ gst_lv2_process (GstSignalProcessor * gsp, guint nframes)
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for (i = 0; i < gsp_class->num_audio_in; i++)
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slv2_instance_connect_port (lv2->instance,
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oclass->audio_in_portnums[i], gsp->audio_in[i]);
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oclass->audio_in_ports[i].index, gsp->audio_in[i]);
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for (i = 0; i < gsp_class->num_audio_out; i++)
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slv2_instance_connect_port (lv2->instance,
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oclass->audio_out_portnums[i], gsp->audio_out[i]);
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oclass->audio_out_ports[i].index, gsp->audio_out[i]);
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slv2_instance_run (lv2->instance, nframes);
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}
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@ -57,15 +57,22 @@ struct _GstLV2 {
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gboolean activated;
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};
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struct _GstLV2Port {
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gint index;
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SLV2Value group;
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};
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struct _GstLV2Class {
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GstSignalProcessorClass parent_class;
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SLV2Plugin plugin;
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gint *audio_in_portnums;
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gint *audio_out_portnums;
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gint *control_in_portnums;
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gint *control_out_portnums;
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GSList *groups;
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struct _GstLV2Port *audio_in_ports;
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struct _GstLV2Port *audio_out_ports;
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struct _GstLV2Port *control_in_ports;
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struct _GstLV2Port *control_out_ports;
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};
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