mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-03-30 12:49:40 +00:00
Working basic LV2 signal processing.
LV2 plugins, short of any surprises, should work with the same basic functionality as LADSPA plugins.
This commit is contained in:
Dave Robillard
Stefan Kost
parent
ab96789f58
commit
db1a4ba50b
2 changed files with 38 additions and 75 deletions
108
ext/lv2/gstlv2.c
108
ext/lv2/gstlv2.c
|
|
@ -297,19 +297,15 @@ gst_lv2_class_init (GstLV2Class * klass, SLV2Plugin lv2plugin)
|
|||
static void
|
||||
gst_lv2_init (GstLV2 * lv2, GstLV2Class * klass)
|
||||
{
|
||||
#if 0
|
||||
lv2->plugin = klass->plugin;
|
||||
lv2->instance = NULL;
|
||||
lv2->activated = FALSE;
|
||||
lv2->inplace_broken = LV2_IS_INPLACE_BROKEN (lv2->descriptor->Properties);
|
||||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
gst_lv2_set_property (GObject * object, guint prop_id, const GValue * value,
|
||||
GParamSpec * pspec)
|
||||
{
|
||||
#if 0
|
||||
GstSignalProcessor *gsp;
|
||||
GstSignalProcessorClass *gsp_class;
|
||||
|
||||
|
|
@ -325,7 +321,7 @@ gst_lv2_set_property (GObject * object, guint prop_id, const GValue * value,
|
|||
/* now see what type it is */
|
||||
switch (pspec->value_type) {
|
||||
case G_TYPE_BOOLEAN:
|
||||
gsp->control_in[prop_id] = g_value_get_boolean (value) ? 1.f : 0.f;
|
||||
gsp->control_in[prop_id] = g_value_get_boolean (value) ? 0.0f : 1.0f;
|
||||
break;
|
||||
case G_TYPE_INT:
|
||||
gsp->control_in[prop_id] = g_value_get_int (value);
|
||||
|
|
@ -336,14 +332,12 @@ gst_lv2_set_property (GObject * object, guint prop_id, const GValue * value,
|
|||
default:
|
||||
g_assert_not_reached ();
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
gst_lv2_get_property (GObject * object, guint prop_id, GValue * value,
|
||||
GParamSpec * pspec)
|
||||
{
|
||||
#if 0
|
||||
GstSignalProcessor *gsp;
|
||||
GstSignalProcessorClass *gsp_class;
|
||||
gfloat *controls;
|
||||
|
|
@ -366,7 +360,7 @@ gst_lv2_get_property (GObject * object, guint prop_id, GValue * value,
|
|||
/* now see what type it is */
|
||||
switch (pspec->value_type) {
|
||||
case G_TYPE_BOOLEAN:
|
||||
g_value_set_boolean (value, controls[prop_id] > 0.5);
|
||||
g_value_set_boolean (value, controls[prop_id] > 0.0f);
|
||||
break;
|
||||
case G_TYPE_INT:
|
||||
g_value_set_int (value, CLAMP (controls[prop_id], G_MININT, G_MAXINT));
|
||||
|
|
@ -377,64 +371,52 @@ gst_lv2_get_property (GObject * object, guint prop_id, GValue * value,
|
|||
default:
|
||||
g_return_if_reached ();
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_lv2_setup (GstSignalProcessor * gsp, guint sample_rate)
|
||||
{
|
||||
#if 0
|
||||
GstLV2 *ladspa;
|
||||
GstLV2 *lv2;
|
||||
GstLV2Class *oclass;
|
||||
GstSignalProcessorClass *gsp_class;
|
||||
LV2_Descriptor *desc;
|
||||
int i;
|
||||
|
||||
gsp_class = GST_SIGNAL_PROCESSOR_GET_CLASS (gsp);
|
||||
ladspa = (GstLV2 *) gsp;
|
||||
lv2 = (GstLV2 *) gsp;
|
||||
oclass = (GstLV2Class *) gsp_class;
|
||||
desc = ladspa->descriptor;
|
||||
|
||||
g_return_val_if_fail (ladspa->handle == NULL, FALSE);
|
||||
g_return_val_if_fail (ladspa->activated == FALSE, FALSE);
|
||||
g_return_val_if_fail (lv2->activated == FALSE, FALSE);
|
||||
|
||||
GST_DEBUG_OBJECT (ladspa, "instantiating the plugin at %d Hz", sample_rate);
|
||||
GST_DEBUG_OBJECT (lv2, "instantiating the plugin at %d Hz", sample_rate);
|
||||
|
||||
ladspa->handle = desc->instantiate (desc, sample_rate);
|
||||
lv2->instance = slv2_plugin_instantiate (oclass->plugin, sample_rate, NULL);
|
||||
|
||||
g_return_val_if_fail (ladspa->handle != NULL, FALSE);
|
||||
g_return_val_if_fail (lv2->instance != NULL, FALSE);
|
||||
|
||||
/* connect the control ports */
|
||||
for (i = 0; i < gsp_class->num_control_in; i++)
|
||||
desc->connect_port (ladspa->handle,
|
||||
slv2_instance_connect_port (lv2->instance,
|
||||
oclass->control_in_portnums[i], &(gsp->control_in[i]));
|
||||
for (i = 0; i < gsp_class->num_control_out; i++)
|
||||
desc->connect_port (ladspa->handle,
|
||||
slv2_instance_connect_port (lv2->instance,
|
||||
oclass->control_out_portnums[i], &(gsp->control_out[i]));
|
||||
#endif
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_lv2_start (GstSignalProcessor * gsp)
|
||||
{
|
||||
#if 0
|
||||
GstLV2 *ladspa;
|
||||
LV2_Descriptor *desc;
|
||||
GstLV2 *lv2 = (GstLV2 *) gsp;
|
||||
|
||||
ladspa = (GstLV2 *) gsp;
|
||||
desc = ladspa->descriptor;
|
||||
g_return_val_if_fail (lv2->activated == FALSE, FALSE);
|
||||
g_return_val_if_fail (lv2->instance != NULL, FALSE);
|
||||
|
||||
g_return_val_if_fail (ladspa->activated == FALSE, FALSE);
|
||||
g_return_val_if_fail (ladspa->handle != NULL, FALSE);
|
||||
GST_DEBUG_OBJECT (lv2, "activating");
|
||||
|
||||
GST_DEBUG_OBJECT (ladspa, "activating");
|
||||
slv2_instance_activate (lv2->instance);
|
||||
|
||||
if (desc->activate)
|
||||
desc->activate (ladspa->handle);
|
||||
|
||||
ladspa->activated = TRUE;
|
||||
#endif
|
||||
lv2->activated = TRUE;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
|
@ -442,71 +424,53 @@ gst_lv2_start (GstSignalProcessor * gsp)
|
|||
static void
|
||||
gst_lv2_stop (GstSignalProcessor * gsp)
|
||||
{
|
||||
#if 0
|
||||
GstLV2 *ladspa;
|
||||
LV2_Descriptor *desc;
|
||||
GstLV2 *lv2 = (GstLV2 *) gsp;
|
||||
|
||||
ladspa = (GstLV2 *) gsp;
|
||||
desc = ladspa->descriptor;
|
||||
g_return_if_fail (lv2->activated == TRUE);
|
||||
g_return_if_fail (lv2->instance != NULL);
|
||||
|
||||
g_return_if_fail (ladspa->activated == TRUE);
|
||||
g_return_if_fail (ladspa->handle != NULL);
|
||||
GST_DEBUG_OBJECT (lv2, "deactivating");
|
||||
|
||||
GST_DEBUG_OBJECT (ladspa, "deactivating");
|
||||
slv2_instance_deactivate (lv2->instance);
|
||||
|
||||
if (desc->activate)
|
||||
desc->activate (ladspa->handle);
|
||||
|
||||
ladspa->activated = FALSE;
|
||||
#endif
|
||||
lv2->activated = FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_lv2_cleanup (GstSignalProcessor * gsp)
|
||||
{
|
||||
#if 0
|
||||
GstLV2 *ladspa;
|
||||
LV2_Descriptor *desc;
|
||||
GstLV2 *lv2 = (GstLV2 *) gsp;
|
||||
|
||||
ladspa = (GstLV2 *) gsp;
|
||||
desc = ladspa->descriptor;
|
||||
g_return_if_fail (lv2->activated == FALSE);
|
||||
g_return_if_fail (lv2->instance != NULL);
|
||||
|
||||
g_return_if_fail (ladspa->activated == FALSE);
|
||||
g_return_if_fail (ladspa->handle != NULL);
|
||||
GST_DEBUG_OBJECT (lv2, "cleaning up");
|
||||
|
||||
GST_DEBUG_OBJECT (ladspa, "cleaning up");
|
||||
slv2_instance_free (lv2->instance);
|
||||
|
||||
if (desc->cleanup)
|
||||
desc->cleanup (ladspa->handle);
|
||||
|
||||
ladspa->handle = NULL;
|
||||
#endif
|
||||
lv2->instance = NULL;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_lv2_process (GstSignalProcessor * gsp, guint nframes)
|
||||
{
|
||||
#if 0
|
||||
GstSignalProcessorClass *gsp_class;
|
||||
GstLV2 *ladspa;
|
||||
GstLV2 *lv2;
|
||||
GstLV2Class *oclass;
|
||||
LV2_Descriptor *desc;
|
||||
guint i;
|
||||
|
||||
gsp_class = GST_SIGNAL_PROCESSOR_GET_CLASS (gsp);
|
||||
ladspa = (GstLV2 *) gsp;
|
||||
lv2 = (GstLV2 *) gsp;
|
||||
oclass = (GstLV2Class *) gsp_class;
|
||||
desc = ladspa->descriptor;
|
||||
|
||||
for (i = 0; i < gsp_class->num_audio_in; i++)
|
||||
desc->connect_port (ladspa->handle, oclass->audio_in_portnums[i],
|
||||
gsp->audio_in[i]);
|
||||
slv2_instance_connect_port (lv2->instance,
|
||||
oclass->audio_in_portnums[i], gsp->audio_in[i]);
|
||||
for (i = 0; i < gsp_class->num_audio_out; i++)
|
||||
desc->connect_port (ladspa->handle, oclass->audio_out_portnums[i],
|
||||
gsp->audio_out[i]);
|
||||
slv2_instance_connect_port (lv2->instance,
|
||||
oclass->audio_out_portnums[i], gsp->audio_out[i]);
|
||||
|
||||
desc->run (ladspa->handle, nframes);
|
||||
#endif
|
||||
slv2_instance_run (lv2->instance, nframes);
|
||||
}
|
||||
|
||||
/* search the plugin path
|
||||
|
|
|
|||
|
|
@ -51,11 +51,10 @@ typedef struct _GstLV2Class GstLV2Class;
|
|||
struct _GstLV2 {
|
||||
GstSignalProcessor parent;
|
||||
|
||||
SLV2Plugin *plugin;
|
||||
SLV2Instance *instance;
|
||||
SLV2Plugin plugin;
|
||||
SLV2Instance instance;
|
||||
|
||||
gboolean activated;
|
||||
gboolean inplace_broken;
|
||||
};
|
||||
|
||||
struct _GstLV2Class {
|
||||
|
|
|
|||
Loading…
Reference in a new issue