/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* <2001> Steve Baker <stevebaker_org@yahoo.co.uk>
+ * 2003 Andy Wingo <wingo at pobox.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include <string.h>
#include <math.h>
#include <gst/control/control.h>
+#include <gst/audio/audio.h>
#include "gstladspa.h"
#include <ladspa.h> /* main ladspa sdk include file */
#include "utils.h" /* ladspa sdk utility functions */
+/* 1.0 and the 1.1 preliminary headers don't define a version, but 1.1 final
+ does */
+#ifndef LADSPA_VERSION
+#define LADSPA_VERSION "1.0"
+#endif
-GST_PAD_TEMPLATE_FACTORY (ladspa_sink_factory,
- "sink",
+/* takes ownership of the name */
+static GstPadTemplate*
+ladspa_sink_factory (gchar *name)
+{
+ return GST_PAD_TEMPLATE_NEW (
+ name,
GST_PAD_SINK,
- GST_PAD_REQUEST,
- GST_CAPS_NEW (
+ GST_PAD_ALWAYS,
+ gst_caps_new (
"ladspa_sink",
- "audio/raw",
- "rate", GST_PROPS_INT_RANGE (4000, 96000),
- "format", GST_PROPS_STRING ("float"),
- "layout", GST_PROPS_STRING ("gfloat"),
- "intercept", GST_PROPS_FLOAT(0.0),
- "slope", GST_PROPS_FLOAT(1.0),
- "channels", GST_PROPS_INT (1)
- )
-);
-
-GST_PAD_TEMPLATE_FACTORY (ladspa_src_factory,
- "src",
+ "audio/x-raw-float",
+ GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS
+ )
+ );
+}
+
+/* takes ownership of the name */
+static GstPadTemplate*
+ladspa_src_factory (gchar *name)
+{
+ return GST_PAD_TEMPLATE_NEW (
+ name,
GST_PAD_SRC,
- GST_PAD_REQUEST,
- GST_CAPS_NEW (
+ GST_PAD_ALWAYS,
+ gst_caps_new (
"ladspa_src",
- "audio/raw",
- "rate", GST_PROPS_INT_RANGE (4000, 96000),
- "format", GST_PROPS_STRING ("float"),
- "layout", GST_PROPS_STRING ("gfloat"),
- "intercept", GST_PROPS_FLOAT (0.0),
- "slope", GST_PROPS_FLOAT (1.0),
- "channels", GST_PROPS_INT (1)
- )
-);
-
-static GstPadTemplate *srctempl, *sinktempl;
-
-enum {
- ARG_0,
- ARG_SAMPLERATE,
- ARG_BUFFERSIZE,
- ARG_LAST,
-};
+ "audio/x-raw-float",
+ GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS
+ )
+ );
+}
static void gst_ladspa_class_init (GstLADSPAClass *klass);
+static void gst_ladspa_base_init (GstLADSPAClass *klass);
static void gst_ladspa_init (GstLADSPA *ladspa);
-static void gst_ladspa_update_int(const GValue *value, gpointer data);
-static GstPadConnectReturn gst_ladspa_connect (GstPad *pad, GstCaps *caps);
-static GstPadConnectReturn gst_ladspa_connect_get (GstPad *pad, GstCaps *caps);
+static void gst_ladspa_update_int (const GValue *value, gpointer data);
+static GstPadLinkReturn gst_ladspa_link (GstPad *pad, GstCaps *caps);
static void gst_ladspa_force_src_caps (GstLADSPA *ladspa, GstPad *pad);
static void gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static GstElementStateReturn gst_ladspa_change_state (GstElement *element);
static void gst_ladspa_loop (GstElement *element);
-static void gst_ladspa_chain (GstPad *pad,GstBuffer *buf);
-static GstBuffer * gst_ladspa_get (GstPad *pad);
+static void gst_ladspa_chain (GstPad *pad,GstData *_data);
+static GstData * gst_ladspa_get (GstPad *pad);
static GstElementClass *parent_class = NULL;
-/* static guint gst_ladspa_signals[LAST_SIGNAL] = { 0 }; */
static GstPlugin *ladspa_plugin;
static GHashTable *ladspa_descriptors;
-static GstBufferPool*
-gst_ladspa_get_bufferpool (GstPad *pad)
+enum {
+ ARG_0,
+ ARG_SAMPLERATE,
+ ARG_BUFFERSIZE,
+ ARG_LAST,
+};
+
+GST_DEBUG_CATEGORY_STATIC (ladspa_debug);
+#define DEBUG(...) \
+ GST_CAT_LEVEL_LOG (ladspa_debug, GST_LEVEL_DEBUG, NULL, __VA_ARGS__)
+#define DEBUG_OBJ(obj,...) \
+ GST_CAT_LEVEL_LOG (ladspa_debug, GST_LEVEL_DEBUG, obj, __VA_ARGS__)
+
+static void
+gst_ladspa_base_init (GstLADSPAClass *klass)
{
- gint i;
- GstBufferPool *bp;
- GstLADSPA *ladspa = (GstLADSPA *) gst_pad_get_parent (pad);
- GstLADSPAClass *oclass = (GstLADSPAClass *) (G_OBJECT_GET_CLASS (ladspa));
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ GstPadTemplate *templ;
+ GstElementDetails *details;
+ LADSPA_Descriptor *desc;
+ gint j, sinkcount,srccount;
+
+ desc = g_hash_table_lookup(ladspa_descriptors,
+ GINT_TO_POINTER(G_TYPE_FROM_CLASS(klass)));
+ if (!desc)
+ desc = g_hash_table_lookup(ladspa_descriptors, GINT_TO_POINTER(0));
+ g_assert (desc);
+
+ /* construct the element details struct */
+ details = g_new0(GstElementDetails,1);
+ details->longname = g_strdup(desc->Name);
+ details->klass = "Filter/Effect/Audio/LADSPA";
+ details->description = details->longname;
+ details->author = g_strdup(desc->Maker);
+ gst_element_class_set_details (element_class, details);
+
+ /* pad templates */
+ klass->numports = desc->PortCount;
+ klass->numsinkpads = 0;
+ klass->numsrcpads = 0;
+ for (j=0;j<desc->PortCount;j++) {
+ if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[j])) {
+ gchar *name = g_strdup((gchar *)desc->PortNames[j]);
+ g_strcanon (name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-", '-');
+
+ /* the factories take ownership of the name */
+ if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[j])) {
+ templ = ladspa_sink_factory (name);
+ klass->numsinkpads++;
+ } else {
+ templ = ladspa_src_factory (name);
+ klass->numsrcpads++;
+ }
- if (oclass->numsrcpads > 0)
- for (i=0;i<oclass->numsrcpads;i++)
- if ((bp = gst_pad_get_bufferpool(ladspa->srcpads[i])) != NULL)
- return bp;
+ gst_element_class_add_pad_template (element_class, templ);
+ }
+ }
+
+ klass->srcpad_portnums = g_new0(gint,klass->numsrcpads);
+ klass->sinkpad_portnums = g_new0(gint,klass->numsinkpads);
+ sinkcount = 0;
+ srccount = 0;
- return NULL;
+ /* walk through the ports, note the portnums for srcpads, sinkpads */
+ for (j=0; j<desc->PortCount; j++) {
+ if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[j])) {
+ if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[j]))
+ klass->sinkpad_portnums[sinkcount++] = j;
+ else
+ klass->srcpad_portnums[srccount++] = j;
+ }
+ }
+
+ klass->descriptor = desc;
}
static void
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
LADSPA_Descriptor *desc;
- gint i,current_portnum,sinkcount,srccount,controlcount;
+ gint i,current_portnum,controlcount;
gint hintdesc;
gint argtype,argperms;
GParamSpec *paramspec = NULL;
gstelement_class->change_state = gst_ladspa_change_state;
/* look up and store the ladspa descriptor */
- klass->descriptor = g_hash_table_lookup(ladspa_descriptors,GINT_TO_POINTER(G_TYPE_FROM_CLASS(klass)));
- desc = klass->descriptor;
-
- klass->numports = desc->PortCount;
+ desc = g_hash_table_lookup(ladspa_descriptors,
+ GINT_TO_POINTER(G_TYPE_FROM_CLASS(klass)));
+ if (!desc)
+ desc = g_hash_table_lookup(ladspa_descriptors, GINT_TO_POINTER(0));
+ g_assert (desc);
- klass->numsinkpads = 0;
- klass->numsrcpads = 0;
klass->numcontrols = 0;
/* walk through the ports, count the input, output and control ports */
- for (i=0;i<desc->PortCount;i++) {
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])){
- klass->numsinkpads++;
- }
-
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_OUTPUT(desc->PortDescriptors[i])){
- klass->numsrcpads++;
- }
-
- if (LADSPA_IS_PORT_CONTROL(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])){
+ for (i=0; i<desc->PortCount; i++) {
+ if (!LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
+ LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i]))
klass->numcontrols++;
- }
}
- klass->srcpad_portnums = g_new0(gint,klass->numsrcpads);
- klass->sinkpad_portnums = g_new0(gint,klass->numsinkpads);
+ DEBUG ("ladspa element class: init %s with %d sink, %d src, %d control\n",
+ g_type_name (G_TYPE_FROM_CLASS (klass)),
+ klass->numsinkpads, klass->numsrcpads, klass->numcontrols);
+
klass->control_portnums = g_new0(gint,klass->numcontrols);
- sinkcount = 0;
- srccount = 0;
controlcount = 0;
- /* walk through the ports, note the portnums for srcpads, sinkpads and control
- params */
- for (i=0;i<desc->PortCount;i++) {
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])){
- GST_DEBUG (0, "input port %d", i);
- klass->sinkpad_portnums[sinkcount++] = i;
- }
-
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_OUTPUT(desc->PortDescriptors[i])){
- GST_DEBUG (0, "output port %d", i);
- klass->srcpad_portnums[srccount++] = i;
- }
-
- if (LADSPA_IS_PORT_CONTROL(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])){
- GST_DEBUG (0, "control port %d", i);
+ /* walk through the ports, note the portnums for control params */
+ for (i=0; i<desc->PortCount; i++) {
+ if (!LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
+ LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i]))
klass->control_portnums[controlcount++] = i;
- }
}
- /* no sink pads - we'll use get mode and add params for samplerate and
- buffersize */
- if (klass->numsinkpads == 0 && klass->numsrcpads > 0){
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SAMPLERATE,
- g_param_spec_int("samplerate","samplerate","samplerate",
- 0,G_MAXINT,44100,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BUFFERSIZE,
- g_param_spec_int("buffersize","buffersize","buffersize",
- 0,G_MAXINT,64,G_PARAM_READWRITE));
-
- }
-
- /* now build the contorl info from the control ports */
+ /* now build the control info from the control ports */
klass->control_info = g_new0(ladspa_control_info,klass->numcontrols);
for (i=0;i<klass->numcontrols;i++) {
klass->control_info[i].upper = TRUE;
klass->control_info[i].upperbound =
desc->PortRangeHints[current_portnum].UpperBound;
- if (LADSPA_IS_HINT_SAMPLE_RATE(hintdesc))
+ if (LADSPA_IS_HINT_SAMPLE_RATE(hintdesc)) {
klass->control_info[i].samplerate = TRUE;
+ klass->control_info[i].upperbound *= 44100; /* FIXME? */
+ }
} else {
if (argtype==G_TYPE_INT) klass->control_info[i].upperbound = (gfloat)G_MAXINT;
if (argtype==G_TYPE_FLOAT) klass->control_info[i].upperbound = G_MAXFLOAT;
}
+ /* use the lowerbound as the default value */
klass->control_info[i].def = klass->control_info[i].lowerbound;
#ifdef LADSPA_IS_HINT_HAS_DEFAULT
klass->control_info[i].def = 440.0;
}
#endif /* LADSPA_IS_HINT_HAS_DEFAULT */
+
+ klass->control_info[i].def = CLAMP(klass->control_info[i].def,
+ klass->control_info[i].lowerbound,
+ klass->control_info[i].upperbound);
if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[current_portnum])) {
argperms = G_PARAM_READWRITE;
klass->control_info[i].param_name = argname;
- GST_DEBUG (0, "adding arg %s from %s",argname, klass->control_info[i].name);
+ DEBUG ("adding arg %s from %s", argname, klass->control_info[i].name);
if (argtype==G_TYPE_BOOLEAN){
paramspec = g_param_spec_boolean(argname,argname,argname, FALSE, argperms);
klass->control_info[i].def, argperms);
}
- g_object_class_install_property(G_OBJECT_CLASS(klass), i+ARG_LAST, paramspec);
+ /* properties have an offset of 1 */
+ g_object_class_install_property(G_OBJECT_CLASS(klass), i+1, paramspec);
}
}
static void
gst_ladspa_init (GstLADSPA *ladspa)
{
- GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS(ladspa));
+ GstLADSPAClass *oclass;
ladspa_control_info cinfo;
-
+ GList *l;
LADSPA_Descriptor *desc;
- gint i,sinkcount,srccount,controlcount;
+ gint i,sinkcount,srccount;
+ oclass = (GstLADSPAClass*)G_OBJECT_GET_CLASS (ladspa);
desc = oclass->descriptor;
ladspa->descriptor = oclass->descriptor;
ladspa->controls = g_new(gfloat,oclass->numcontrols);
ladspa->dpman = gst_dpman_new ("ladspa_dpman", GST_ELEMENT(ladspa));
- /* walk through the ports and add all the pads */
+ /* set up pads */
sinkcount = 0;
srccount = 0;
- controlcount = 0;
- for (i=0;i<desc->PortCount;i++) {
-
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i])){
- gchar *canon_port_name = g_strdup((gchar *)desc->PortNames[i]);
- g_strcanon (canon_port_name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-", '-');
- if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])) {
- ladspa->sinkpads[sinkcount] = gst_pad_new_from_template (sinktempl, canon_port_name);
- gst_element_add_pad(GST_ELEMENT(ladspa),ladspa->sinkpads[sinkcount]);
- sinkcount++;
- }
- if (LADSPA_IS_PORT_OUTPUT(desc->PortDescriptors[i])) {
- ladspa->srcpads[srccount] = gst_pad_new_from_template (srctempl, canon_port_name);
- gst_element_add_pad(GST_ELEMENT(ladspa),ladspa->srcpads[srccount]);
- srccount++;
- }
- }
- if (LADSPA_IS_PORT_CONTROL(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])) {
- cinfo = oclass->control_info[controlcount];
- /* use the lowerbound as the default value if it exists */
- ladspa->controls[controlcount]=cinfo.def;
+ for (l=GST_ELEMENT_CLASS (oclass)->padtemplates; l; l=l->next) {
+ GstPad *pad = gst_pad_new_from_template (GST_PAD_TEMPLATE (l->data),
+ GST_PAD_TEMPLATE_NAME_TEMPLATE (l->data));
+ gst_pad_set_link_function (pad, gst_ladspa_link);
+ gst_element_add_pad ((GstElement*)ladspa, pad);
+
+ if (GST_PAD_DIRECTION (pad) == GST_PAD_SINK)
+ ladspa->sinkpads[sinkcount++] = pad;
+ else
+ ladspa->srcpads[srccount++] = pad;
+ }
+
+ /* set up dparams */
+ for (i=0; i<oclass->numcontrols; i++) {
+ if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])) {
+ cinfo = oclass->control_info[i];
+ ladspa->controls[i]=cinfo.def;
- /* set up dparams for this instance */
if (cinfo.toggled){
gst_dpman_add_required_dparam_callback (
ladspa->dpman,
g_param_spec_int(cinfo.param_name, cinfo.name, cinfo.name,
- 0, 1, (gint)(ladspa->controls[controlcount]), G_PARAM_READWRITE),
- "int", gst_ladspa_update_int, &(ladspa->controls[controlcount])
+ 0, 1, (gint)(ladspa->controls[i]), G_PARAM_READWRITE),
+ "int", gst_ladspa_update_int, &(ladspa->controls[i])
);
}
else if (cinfo.integer){
ladspa->dpman,
g_param_spec_int(cinfo.param_name, cinfo.name, cinfo.name,
(gint)cinfo.lowerbound, (gint)cinfo.upperbound,
- (gint)ladspa->controls[controlcount], G_PARAM_READWRITE),
- "int", gst_ladspa_update_int, &(ladspa->controls[controlcount])
+ (gint)ladspa->controls[i], G_PARAM_READWRITE),
+ "int", gst_ladspa_update_int, &(ladspa->controls[i])
);
}
else if (cinfo.samplerate){
ladspa->dpman,
g_param_spec_float(cinfo.param_name, cinfo.name, cinfo.name,
cinfo.lowerbound, cinfo.upperbound,
- ladspa->controls[controlcount], G_PARAM_READWRITE),
- "hertz-rate-bound", &(ladspa->controls[controlcount])
+ ladspa->controls[i], G_PARAM_READWRITE),
+ "hertz-rate-bound", &(ladspa->controls[i])
);
}
else {
ladspa->dpman,
g_param_spec_float(cinfo.param_name, cinfo.name, cinfo.name,
cinfo.lowerbound, cinfo.upperbound,
- ladspa->controls[controlcount], G_PARAM_READWRITE),
- "float", &(ladspa->controls[controlcount])
+ ladspa->controls[i], G_PARAM_READWRITE),
+ "float", &(ladspa->controls[i])
);
}
-
- controlcount++;
}
}
- ladspa->samplerate = 0;
- ladspa->buffersize = 64;
- ladspa->numbuffers = 16;
- ladspa->newcaps = FALSE;
+ /* nonzero default needed to instantiate() some plugins */
+ ladspa->samplerate = 44100;
+
+ ladspa->buffer_frames = 0; /* should be set with caps */
ladspa->activated = FALSE;
ladspa->bufpool = NULL;
ladspa->inplace_broken = LADSPA_IS_INPLACE_BROKEN(ladspa->descriptor->Properties);
if (sinkcount==0 && srccount == 1) {
/* get mode (no sink pads) */
- GST_DEBUG (0, "mono get mode with 1 src pad");
-
- ladspa->newcaps = TRUE;
- ladspa->samplerate = 44100;
- ladspa->buffersize = 64;
+ DEBUG_OBJ (ladspa, "mono get mode with 1 src pad");
- gst_pad_set_connect_function (ladspa->srcpads[0], gst_ladspa_connect_get);
gst_pad_set_get_function (ladspa->srcpads[0], gst_ladspa_get);
-
} else if (sinkcount==1){
/* with one sink we can use the chain function */
- GST_DEBUG (0, "chain mode");
+ DEBUG_OBJ (ladspa, "chain mode");
- gst_pad_set_connect_function (ladspa->sinkpads[0], gst_ladspa_connect);
gst_pad_set_chain_function (ladspa->sinkpads[0], gst_ladspa_chain);
- gst_pad_set_bufferpool_function (ladspa->sinkpads[0], gst_ladspa_get_bufferpool);
} else if (sinkcount > 1){
/* more than one sink pad needs loop mode */
- GST_DEBUG (0, "loop mode with %d sink pads and %d src pads", sinkcount, srccount);
+ DEBUG_OBJ (ladspa, "loop mode with %d sink pads and %d src pads", sinkcount, srccount);
- for (i=0;i<sinkcount;i++) {
- gst_pad_set_connect_function (ladspa->sinkpads[i], gst_ladspa_connect);
- gst_pad_set_bufferpool_function (ladspa->sinkpads[i], gst_ladspa_get_bufferpool);
- }
gst_element_set_loop_function (GST_ELEMENT (ladspa), gst_ladspa_loop);
- }
- else if (sinkcount==0 && srccount == 0){
- /* for some reason these plugins exist - we'll just ignore them */
+ } else if (sinkcount==0 && srccount == 0) {
+ /* for example, a plugin with only control inputs and output -- just ignore
+ * it for now */
} else {
- g_warning("%d sink pads, %d src pads not yet supported", sinkcount, srccount);
+ g_warning ("%d sink pads, %d src pads not yet supported", sinkcount, srccount);
}
- gst_ladspa_instantiate(ladspa);
+ gst_ladspa_instantiate (ladspa);
}
static void
*target = (gfloat)g_value_get_int(value);
}
-static GstPadConnectReturn
-gst_ladspa_connect (GstPad *pad, GstCaps *caps)
+static GstPadLinkReturn
+gst_ladspa_link (GstPad *pad, GstCaps *caps)
{
- GstLADSPA *ladspa = (GstLADSPA *) GST_PAD_PARENT (pad);
- GstLADSPAClass *oclass = (GstLADSPAClass *) (G_OBJECT_GET_CLASS (ladspa));
- guint i;
+ GstElement *element = (GstElement*)GST_PAD_PARENT (pad);
+ GstLADSPA *ladspa = (GstLADSPA*)element;
+ const GList *l = NULL;
gint rate;
- g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
- g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
-
- if (gst_caps_get_int (caps, "rate", &rate)){
+ if (GST_CAPS_IS_FIXED (caps)) {
+ /* if this fails in some other plugin, the graph is left in an inconsistent
+ state */
+ for (l=gst_element_get_pad_list (element); l; l=l->next)
+ if (pad != (GstPad*)l->data)
+ if (gst_pad_try_set_caps ((GstPad*)l->data, caps) <= 0)
+ return GST_PAD_LINK_REFUSED;
+
+ /* we assume that the ladspa plugin can handle any sample rate, so this
+ check gets put last */
+ gst_caps_get_int (caps, "rate", &rate);
/* have to instantiate ladspa plugin when samplerate changes (groan) */
- if (ladspa->samplerate != rate){
+ if (ladspa->samplerate != rate) {
ladspa->samplerate = rate;
-
if (! gst_ladspa_instantiate(ladspa))
- return GST_PAD_CONNECT_REFUSED;
- }
- }
-
- /* if the caps are fixed, we are going to try to set all srcpads using this
- one caps object. if any of the pads barfs, we'll refuse the connection. i'm
- not sure if this is correct. */
- if (GST_CAPS_IS_FIXED (caps)) {
- for (i=0;i<oclass->numsrcpads;i++) {
- if (! gst_pad_try_set_caps (ladspa->srcpads[i], caps))
- return GST_PAD_CONNECT_REFUSED;
+ return GST_PAD_LINK_REFUSED;
}
+
+ gst_caps_get_int (caps, "buffer-frames", &ladspa->buffer_frames);
+
+ if (ladspa->bufpool)
+ gst_buffer_pool_unref (ladspa->bufpool);
+ ladspa->bufpool = gst_buffer_pool_get_default (ladspa->buffer_frames * sizeof(gfloat),
+ 3);
+
+ return GST_PAD_LINK_OK;
}
- return GST_PAD_CONNECT_OK;
+ return GST_PAD_LINK_DELAYED;
}
-static GstPadConnectReturn
-gst_ladspa_connect_get (GstPad *pad, GstCaps *caps)
+static void
+gst_ladspa_force_src_caps(GstLADSPA *ladspa, GstPad *pad)
{
- GstLADSPA *ladspa = (GstLADSPA*)GST_OBJECT_PARENT (pad);
- gint rate;
-
- g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
- g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
-
- if (gst_caps_get_int (caps, "rate", &rate)){
- if (ladspa->samplerate != rate) {
- ladspa->samplerate = rate;
- if (! gst_ladspa_instantiate(ladspa))
- return GST_PAD_CONNECT_REFUSED;
- }
+ if (!ladspa->buffer_frames) {
+ ladspa->buffer_frames = 256; /* 5 ms at 44100 kHz (just a default...) */
+ g_return_if_fail (ladspa->bufpool == NULL);
+ ladspa->bufpool =
+ gst_buffer_pool_get_default (ladspa->buffer_frames * sizeof(gfloat), 3);
}
- return GST_PAD_CONNECT_OK;
-}
+ DEBUG_OBJ (ladspa, "forcing caps with rate=%d, buffer-frames=%d",
+ ladspa->samplerate, ladspa->buffer_frames);
-static void
-gst_ladspa_force_src_caps(GstLADSPA *ladspa, GstPad *pad)
-{
- GST_DEBUG (0, "forcing caps with rate %d", ladspa->samplerate);
- gst_pad_try_set_caps (pad, gst_caps_new (
+ gst_pad_try_set_caps (pad,
+ gst_caps_new (
"ladspa_src_caps",
- "audio/raw",
+ "audio/x-raw-float",
gst_props_new (
- "format", GST_PROPS_STRING ("float"),
- "layout", GST_PROPS_STRING ("gfloat"),
- "intercept", GST_PROPS_FLOAT(0.0),
- "slope", GST_PROPS_FLOAT(1.0),
- "rate", GST_PROPS_INT (ladspa->samplerate),
- "channels", GST_PROPS_INT (1),
- NULL
- )
- ));
- ladspa->newcaps=FALSE;
+ "width", GST_PROPS_INT (32),
+ "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+ "rate", GST_PROPS_INT (ladspa->samplerate),
+ "buffer-frames", GST_PROPS_INT (ladspa->buffer_frames),
+ "channels", GST_PROPS_INT (1),
+ NULL)));
}
static void
gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstLADSPA *ladspa = (GstLADSPA*)object;
- gint cid = prop_id - ARG_LAST;
GstLADSPAClass *oclass;
ladspa_control_info *control_info;
- gfloat val=0.0;
-
- /* these are only registered in get mode */
- switch (prop_id) {
- case ARG_SAMPLERATE:
- ladspa->samplerate = g_value_get_int (value);
- ladspa->newcaps=TRUE;
- break;
- case ARG_BUFFERSIZE:
- ladspa->buffersize = g_value_get_int (value);
- break;
- }
-
- /* is it a ladspa plugin arg? */
- if (cid < 0) return;
oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (object));
- /* verify it exists and is a control (not a port) */
- g_return_if_fail(cid < oclass->numcontrols);
-
- control_info = &(oclass->control_info[cid]);
+ /* remember, properties have an offset of 1 */
+ prop_id--;
+
+ /* verify it exists */
+ g_return_if_fail (prop_id < oclass->numcontrols);
+
+ control_info = &(oclass->control_info[prop_id]);
g_return_if_fail (control_info->name != NULL);
/* check to see if it's writable */
g_return_if_fail (control_info->writable);
/* now see what type it is */
- if (control_info->toggled) {
- if (g_value_get_boolean (value))
- ladspa->controls[cid] = 1.0;
- else
- ladspa->controls[cid] = 0.0;
- } else if (control_info->integer) {
- val = (gfloat)g_value_get_int (value);
- ladspa->controls[cid] = val;
- } else {
- val = g_value_get_float (value);
- ladspa->controls[cid] = val;
- }
-
- GST_DEBUG (0, "set arg %s to %f", control_info->name, ladspa->controls[cid]);
+ if (control_info->toggled)
+ ladspa->controls[prop_id] = g_value_get_boolean (value) ? 1.f : 0.f;
+ else if (control_info->integer)
+ ladspa->controls[prop_id] = g_value_get_int (value);
+ else
+ ladspa->controls[prop_id] = g_value_get_float (value);
+
+ DEBUG_OBJ (object, "set arg %s to %f", control_info->name, ladspa->controls[prop_id]);
}
static void
gst_ladspa_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstLADSPA *ladspa = (GstLADSPA*)object;
- gint cid = prop_id - ARG_LAST;
GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (object));
ladspa_control_info *control_info;
- /* these are only registered in get mode */
- switch (prop_id){
- case ARG_SAMPLERATE:
- g_value_set_int (value, ladspa->samplerate);
- break;
- case ARG_BUFFERSIZE:
- g_value_set_int (value, ladspa->buffersize);
- break;
- }
-
- if (cid < 0) return;
+ /* remember, properties have an offset of 1 */
+ prop_id--;
- /* verify it exists and is a control (not a port) */
- if (cid >= oclass->numcontrols) return;
- control_info = &(oclass->control_info[cid]);
- if (control_info->name == NULL) return;
+ /* verify it exists */
+ g_return_if_fail (prop_id < oclass->numcontrols);
- GST_DEBUG (0, "got arg %s as %f", control_info->name, ladspa->controls[cid]);
+ control_info = &(oclass->control_info[prop_id]);
+ g_return_if_fail (control_info->name != NULL);
/* now see what type it is */
- if (control_info->toggled) {
- if (ladspa->controls[cid] == 1.0)
- g_value_set_boolean (value, TRUE);
- else
- g_value_set_boolean (value, FALSE);
- } else if (control_info->integer) {
- g_value_set_int (value, (gint)ladspa->controls[cid]);
- } else {
- g_value_set_float (value, ladspa->controls[cid]);
- }
+ if (control_info->toggled)
+ g_value_set_boolean (value, ladspa->controls[prop_id] == 1.0);
+ else if (control_info->integer)
+ g_value_set_int (value, (gint)ladspa->controls[prop_id]);
+ else
+ g_value_set_float (value, ladspa->controls[prop_id]);
+
+ DEBUG_OBJ (object, "got arg %s as %f", control_info->name, ladspa->controls[prop_id]);
}
static gboolean
}
/* instantiate the plugin */
- GST_DEBUG (0, "instantiating the plugin");
+ DEBUG_OBJ (ladspa, "instantiating the plugin at %d Hz", ladspa->samplerate);
ladspa->handle = desc->instantiate(desc,ladspa->samplerate);
g_return_val_if_fail (ladspa->handle != NULL, FALSE);
- /* walk through the ports and add all the arguments */
- for (i=0;i<oclass->numcontrols;i++) {
- /* connect the argument to the plugin */
- GST_DEBUG (0, "added control port %d", oclass->control_portnums[i]);
+ /* connect the control ports */
+ for (i=0;i<oclass->numcontrols;i++)
desc->connect_port(ladspa->handle,
oclass->control_portnums[i],
&(ladspa->controls[i]));
- }
/* reactivate if it was activated before the reinstantiation */
- if (was_activated){
+ if (was_activated)
gst_ladspa_activate(ladspa);
- }
+
return TRUE;
}
GstLADSPA *ladspa = (GstLADSPA*)element;
desc = ladspa->descriptor;
- GST_DEBUG (0, "changing state");
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
gst_ladspa_activate(ladspa);
}
static void
-gst_ladspa_activate(GstLADSPA *ladspa)
+gst_ladspa_activate (GstLADSPA *ladspa)
{
LADSPA_Descriptor *desc;
desc = ladspa->descriptor;
- if (ladspa->activated){
+ if (ladspa->activated)
gst_ladspa_deactivate(ladspa);
- }
- GST_DEBUG (0, "activating");
+ DEBUG_OBJ (ladspa, "activating");
/* activate the plugin (function might be null) */
- if (desc->activate != NULL) {
+ if (desc->activate != NULL)
desc->activate(ladspa->handle);
- }
ladspa->activated = TRUE;
}
static void
-gst_ladspa_deactivate(GstLADSPA *ladspa)
+gst_ladspa_deactivate (GstLADSPA *ladspa)
{
LADSPA_Descriptor *desc;
desc = ladspa->descriptor;
- GST_DEBUG (0, "deactivating");
+ DEBUG_OBJ (ladspa, "deactivating");
/* deactivate the plugin (function might be null) */
- if (ladspa->activated && (desc->deactivate != NULL)) {
+ if (ladspa->activated && (desc->deactivate != NULL))
desc->deactivate(ladspa->handle);
- }
ladspa->activated = FALSE;
}
static void
-gst_ladspa_loop(GstElement *element)
+gst_ladspa_loop (GstElement *element)
{
- guint bufferbytesize, i, numsrcpads, numsinkpads, num_empty_pads;
+ guint i, j, numsrcpads, numsinkpads;
guint num_processed, num_to_process;
- GstEvent *event = NULL;
- guint32 waiting;
- guint32 got_bytes;
+ gint largest_buffer;
LADSPA_Data **data_in, **data_out;
GstBuffer **buffers_in, **buffers_out;
- GstBufferPool *bufpool;
- GstByteStream **bytestreams;
GstLADSPA *ladspa = (GstLADSPA *)element;
GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (ladspa));
numsinkpads = oclass->numsinkpads;
numsrcpads = oclass->numsrcpads;
+ /* fixme: these mallocs need to die */
data_in = g_new0(LADSPA_Data*, numsinkpads);
data_out = g_new0(LADSPA_Data*, numsrcpads);
buffers_in = g_new0(GstBuffer*, numsinkpads);
buffers_out = g_new0(GstBuffer*, numsrcpads);
- bytestreams = g_new0(GstByteStream*, numsinkpads);
-
- bufferbytesize = sizeof (LADSPA_Data) * ladspa->buffersize;
- /* find a bufferpool */
- bufpool = gst_buffer_pool_get_default (bufferbytesize, ladspa->numbuffers);
+ largest_buffer = -1;
- /* get the bytestreams for each pad */
- for (i=0 ; i<numsinkpads ; i++){
- bytestreams[i] = gst_bytestream_new (ladspa->sinkpads[i]);
- }
-
- /* since this is a loop element, we just loop here til things fall apart. */
- do {
- num_empty_pads = 0;
- /* first get all the necessary data from the input ports */
- for (i=0 ; i<numsinkpads ; i++){
- GST_DEBUG (0, "pulling %u bytes through channel %d'sbytestream", bufferbytesize, i);
- got_bytes = gst_bytestream_read (bytestreams[i], buffers_in + i, bufferbytesize);
-
- if (got_bytes != bufferbytesize) {
- /* we need to check for an event. */
- gst_bytestream_get_status (bytestreams[i], &waiting, &event);
-
- if (event && GST_EVENT_TYPE(event) == GST_EVENT_EOS) {
- /* if we get an EOS event from one of our sink pads, we assume that
- pad's finished handling data. delete the bytestream, free up the
- pad, and free up the memory associated with the input channel. */
- GST_DEBUG (0, "got an EOS event on sinkpad %d", i);
- }
- /* CHECKME should maybe check for other events and try to pull more data here */
- num_empty_pads++;
- } else {
- data_in[i] = (LADSPA_Data *) GST_BUFFER_DATA(buffers_in[i]);
- GST_BUFFER_TIMESTAMP(buffers_in[i]) = ladspa->timestamp;
- }
- }
-
- if (num_empty_pads > 0){
- if (num_empty_pads < numsinkpads){
- /* only some pads have EOS, need to create some empty buffers */
- for (i=0 ; i<numsinkpads ; i++){
- if (buffers_in[i] == NULL){
- int x;
- LADSPA_Data *data;
- buffers_in[i] = gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
- GST_BUFFER_TIMESTAMP(buffers_in[i]) = ladspa->timestamp;
- data_in[i] = data = (LADSPA_Data *) GST_BUFFER_DATA(buffers_in[i]);
- for (x=0 ; x < ladspa->buffersize ; x++)
- data[x] = 0.0F;
-
- data_in[i] = (LADSPA_Data *) GST_BUFFER_DATA(buffers_in[i]);
- GST_BUFFER_TIMESTAMP(buffers_in[i]) = ladspa->timestamp;
- }
- }
- }
- else {
- /* all pads have EOS, time to quit */
- /* CHECKME do I have to push EOS events here? */
- GST_DEBUG (0, "All sink pads have EOS, finishing.");
- break;
- }
- }
+ /* first get all the necessary data from the input ports */
+ for (i=0 ; i<numsinkpads ; i++){
+ get_buffer:
+ buffers_in[i] = GST_BUFFER (gst_pad_pull (ladspa->sinkpads[i]));
- /* we now have a full set of buffers_in.
- * now share or create the buffers_out */
- for (i=0 ; i<numsrcpads ; i++){
- if (i <= numsinkpads && !ladspa->inplace_broken){
- /* we can share buffers */
- buffers_out[i] = buffers_in[i];
- data_out[i] = data_in[i];
+ if (GST_IS_EVENT (buffers_in[i])) {
+ /* push it out on all pads */
+ gst_data_ref_by_count ((GstData*)buffers_in[i], numsrcpads);
+ for (j=0; j<numsrcpads; j++)
+ gst_pad_push (ladspa->srcpads[j], GST_DATA (buffers_in[i]));
+ if (GST_EVENT_TYPE (buffers_in[i]) == GST_EVENT_EOS) {
+ /* shut down */
+ gst_element_set_eos (element);
+ return;
} else {
- buffers_out[i] = gst_buffer_new_from_pool (bufpool, 0, 0);
- GST_BUFFER_TIMESTAMP(buffers_out[i]) = ladspa->timestamp;
- data_out[i] = (LADSPA_Data *) GST_BUFFER_DATA(buffers_out[i]);
+ goto get_buffer;
}
}
- GST_DPMAN_PREPROCESS(ladspa->dpman, ladspa->buffersize, ladspa->timestamp);
- num_processed = 0;
-
- /* split up processing of the buffer into chunks so that dparams can
- * be updated when required.
- * In many cases the buffer will be processed in one chunk anyway.
- */
- while(GST_DPMAN_PROCESS(ladspa->dpman, num_processed)) {
+ if (largest_buffer < 0)
+ largest_buffer = GST_BUFFER_SIZE (buffers_in[i])/sizeof(gfloat);
+ else
+ largest_buffer = MIN (GST_BUFFER_SIZE (buffers_in[i])/sizeof(gfloat), largest_buffer);
+ data_in[i] = (LADSPA_Data *) GST_BUFFER_DATA(buffers_in[i]);
+ GST_BUFFER_TIMESTAMP(buffers_in[i]) = ladspa->timestamp;
+ }
- num_to_process = GST_DPMAN_FRAMES_TO_PROCESS(ladspa->dpman);
- for (i=0 ; i<numsinkpads ; i++){
- desc->connect_port (ladspa->handle, oclass->sinkpad_portnums[i], data_in[i]);
- }
- for (i=0 ; i<numsrcpads ; i++){
- desc->connect_port (ladspa->handle, oclass->srcpad_portnums[i], data_out[i]);
- }
- desc->run(ladspa->handle, num_to_process);
- for (i=0 ; i<numsinkpads ; i++){
- data_in[i] += num_to_process;
- }
- for (i=0 ; i<numsrcpads ; i++){
- data_out[i] += num_to_process;
- }
+ if (!ladspa->bufpool) {
+ gst_element_error (element, "Caps were never set, bailing...");
+ return;
+ }
- num_processed += num_to_process;
+ i=0;
+ if (!ladspa->inplace_broken) {
+ for (; i<numsrcpads && i<numsinkpads; i++) {
+ /* reuse input buffers */
+ buffers_out[i] = buffers_in[i];
+ data_out[i] = data_in[i];
}
-
- for (i=0 ; i<numsrcpads ; i++) {
- GST_DEBUG (0, "pushing buffer (%p) on src pad %d", buffers_out[i], i);
- gst_pad_push (ladspa->srcpads[i], buffers_out[i]);
-
- data_out[i] = NULL;
- buffers_out[i] = NULL;
- }
- for (i=0 ; i<numsinkpads ; i++) {
- if (i > numsrcpads || ladspa->inplace_broken){
- /* we have some buffers to unref */
- gst_buffer_unref(buffers_in[i]);
- }
- data_in[i] = NULL;
- buffers_in[i] = NULL;
- }
+ }
+ for (; i<numsrcpads; i++) {
+ /* we have to make new buffers -- at least we're taking them from a pool */
+ buffers_out[i] = gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
+ GST_BUFFER_TIMESTAMP (buffers_out[i]) = ladspa->timestamp;
+ data_out[i] = (LADSPA_Data*)GST_BUFFER_DATA (buffers_out[i]);
+ }
+
+ GST_DPMAN_PREPROCESS(ladspa->dpman, largest_buffer, ladspa->timestamp);
+ num_processed = 0;
- ladspa->timestamp += ladspa->buffersize * 10^9 / ladspa->samplerate;
- } while (TRUE);
+ /* split up processing of the buffer into chunks so that dparams can
+ * be updated when required.
+ * In many cases the buffer will be processed in one chunk anyway.
+ */
+ while (GST_DPMAN_PROCESS (ladspa->dpman, num_processed)) {
+ num_to_process = GST_DPMAN_FRAMES_TO_PROCESS(ladspa->dpman);
+
+ for (i=0 ; i<numsinkpads ; i++)
+ desc->connect_port (ladspa->handle, oclass->sinkpad_portnums[i], data_in[i]);
+ for (i=0 ; i<numsrcpads ; i++)
+ desc->connect_port (ladspa->handle, oclass->srcpad_portnums[i], data_out[i]);
- gst_buffer_pool_unref(bufpool);
+ desc->run(ladspa->handle, num_to_process);
- for (i=0 ; i<numsinkpads ; i++){
- gst_bytestream_destroy (bytestreams[i]);
+ for (i=0 ; i<numsinkpads ; i++)
+ data_in[i] += num_to_process;
+ for (i=0 ; i<numsrcpads ; i++)
+ data_out[i] += num_to_process;
+
+ num_processed += num_to_process;
+ }
+
+ for (i=0 ; i<numsinkpads ; i++) {
+ if (i >= numsrcpads || buffers_out[i] != buffers_in[i])
+ gst_buffer_unref(buffers_in[i]);
+ data_in[i] = NULL;
+ buffers_in[i] = NULL;
+ }
+ for (i=0 ; i<numsrcpads ; i++) {
+ DEBUG_OBJ (ladspa, "pushing buffer (%p) on src pad %d", buffers_out[i], i);
+ gst_pad_push (ladspa->srcpads[i], GST_DATA (buffers_out[i]));
+
+ data_out[i] = NULL;
+ buffers_out[i] = NULL;
}
+
+ ladspa->timestamp += ladspa->buffer_frames * GST_SECOND / ladspa->samplerate;
+
+ /* FIXME: move these mallocs and frees to the state-change handler */
g_free (buffers_out);
g_free (buffers_in);
g_free (data_out);
g_free (data_in);
- g_free (bytestreams);
}
static void
-gst_ladspa_chain (GstPad *pad, GstBuffer *buf)
+gst_ladspa_chain (GstPad *pad, GstData *_data)
{
+ GstBuffer *buffer_in = GST_BUFFER (_data);
LADSPA_Descriptor *desc;
LADSPA_Data *data_in, **data_out = NULL;
GstBuffer **buffers_out = NULL;
-
unsigned long num_samples;
guint num_to_process, num_processed, i, numsrcpads;
-
GstLADSPA *ladspa;
GstLADSPAClass *oclass;
- g_return_if_fail(pad != NULL);
- g_return_if_fail(GST_IS_PAD(pad));
- g_return_if_fail(buf != NULL);
-
- ladspa = (GstLADSPA *)gst_pad_get_parent (pad);
- g_return_if_fail(ladspa != NULL);
-
- /* this might happen if caps nego hasn't happened */
- g_return_if_fail(ladspa->handle != NULL);
-
+ ladspa = (GstLADSPA*)GST_OBJECT_PARENT (pad);
oclass = (GstLADSPAClass *) (G_OBJECT_GET_CLASS (ladspa));
+ data_in = (LADSPA_Data *) GST_BUFFER_DATA(buffer_in);
+ num_samples = GST_BUFFER_SIZE(buffer_in) / sizeof(gfloat);
+ numsrcpads = oclass->numsrcpads;
+ desc = ladspa->descriptor;
- if (GST_IS_EVENT (buf)) {
- /* push the event out all the src pads */
- for (i=0 ; i<oclass->numsrcpads ; i++){
- gst_pad_push (ladspa->srcpads[0], buf);
- }
+ /* we shouldn't get events here... */
+ g_return_if_fail (GST_IS_BUFFER (buffer_in));
+
+ if (!ladspa->bufpool) {
+ gst_element_error ((GstElement*)ladspa, "Caps were never set, bailing...");
return;
}
- data_in = (LADSPA_Data *) GST_BUFFER_DATA(buf);
- num_samples = GST_BUFFER_SIZE(buf) / sizeof(gfloat);
- numsrcpads = oclass->numsrcpads;
-
- desc = ladspa->descriptor;
-
- if (numsrcpads > 0){
- guint num_created_buffers = 0;
+ /* FIXME: this function shouldn't need to malloc() anything */
+ if (numsrcpads > 0) {
buffers_out = g_new(GstBuffer*, numsrcpads);
data_out = g_new(LADSPA_Data*, numsrcpads);
+ }
- if (ladspa->inplace_broken){
- num_created_buffers = numsrcpads;
- }
- else {
- /* we can share the buffer for input and output */
- buffers_out[0] = buf;
- data_out[0] = (LADSPA_Data *)GST_BUFFER_DATA(buf);
- num_created_buffers = numsrcpads - 1;
- }
-
- if (num_created_buffers > 0){
- ladspa->bufpool = gst_buffer_pool_get_default (sizeof (LADSPA_Data) * GST_BUFFER_SIZE(buf), ladspa->numbuffers);
-
- for (i = numsrcpads - num_created_buffers ; i<numsrcpads ; i++){
- buffers_out[i] = gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
- GST_BUFFER_TIMESTAMP(buffers_out[i]) = GST_BUFFER_TIMESTAMP(buf);
- data_out[i] = (LADSPA_Data *) GST_BUFFER_DATA(buffers_out[i]);
- }
- }
+ i=0;
+ if (!ladspa->inplace_broken && numsrcpads) {
+ /* reuse the first (chained) buffer */
+ buffers_out[i] = buffer_in;
+ DEBUG ("reuse: %d", GST_BUFFER_SIZE (buffer_in));
+ data_out[i] = data_in;
+ i++;
+ }
+ for (; i<numsrcpads; i++) {
+ /* we have to make new buffers -- at least we're taking them from a pool */
+ buffers_out[i] = gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
+ /* the size of the buffer returned from the pool is the maximum size; this
+ chained buffer might be smaller */
+ GST_BUFFER_SIZE (buffers_out[i]) = GST_BUFFER_SIZE (buffer_in);
+ DEBUG ("new %d", GST_BUFFER_SIZE (buffer_in));
+ GST_BUFFER_TIMESTAMP (buffers_out[i]) = ladspa->timestamp;
+ data_out[i] = (LADSPA_Data*)GST_BUFFER_DATA (buffers_out[i]);
}
- GST_DPMAN_PREPROCESS(ladspa->dpman, num_samples, GST_BUFFER_TIMESTAMP(buf));
+ GST_DPMAN_PREPROCESS(ladspa->dpman, num_samples, GST_BUFFER_TIMESTAMP(buffer_in));
num_processed = 0;
/* split up processing of the buffer into chunks so that dparams can
num_to_process = GST_DPMAN_FRAMES_TO_PROCESS(ladspa->dpman);
desc->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],data_in);
- for (i=0 ; i<numsrcpads ; i++){
+ for (i=0 ; i<numsrcpads ; i++)
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[i],data_out[i]);
- }
+
desc->run(ladspa->handle, num_to_process);
data_in += num_to_process;
- for (i=0 ; i<numsrcpads ; i++){
+ for (i=0 ; i<numsrcpads ; i++)
data_out[i] += num_to_process;
- }
+
num_processed += num_to_process;
}
- if (numsrcpads > 0){
- for (i=0 ; i<numsrcpads ; i++){
- gst_pad_push (ladspa->srcpads[i], buffers_out[i]);
+ if (!numsrcpads || buffers_out[0] != buffer_in)
+ gst_buffer_unref(buffer_in);
+
+ if (numsrcpads) {
+ for (i=0; i<numsrcpads; i++) {
+ DEBUG_OBJ (ladspa, "pushing buffer (%p, length %u bytes) on src pad %d",
+ buffers_out[i], GST_BUFFER_SIZE (buffers_out[i]), i);
+ gst_pad_push (ladspa->srcpads[i], GST_DATA (buffers_out[i]));
}
+
g_free(buffers_out);
g_free(data_out);
- return;
}
-
- /* if we have reached here, there are no src pads */
- gst_buffer_unref(buf);
}
-static GstBuffer *
+static GstData *
gst_ladspa_get(GstPad *pad)
{
GstLADSPA *ladspa;
GstLADSPAClass *oclass;
-
GstBuffer *buf;
LADSPA_Data *data;
LADSPA_Descriptor *desc;
-
guint num_to_process, num_processed;
- g_return_val_if_fail(pad != NULL, NULL);
- g_return_val_if_fail(GST_IS_PAD(pad), NULL);
-
ladspa = (GstLADSPA *)gst_pad_get_parent (pad);
- g_return_val_if_fail(ladspa != NULL, NULL);
-
- /* this might happen if caps nego hasn't happened */
- g_return_val_if_fail(ladspa->handle != NULL, NULL);
-
oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS(ladspa));
+ desc = ladspa->descriptor;
- /* force src pad to set caps */
- if (ladspa->newcaps) {
+ if (!ladspa->bufpool) {
+ /* capsnego hasn't happened... */
gst_ladspa_force_src_caps(ladspa, ladspa->srcpads[0]);
}
- /* get a bufferpool */
- if (ladspa->bufpool == NULL) {
- ladspa->bufpool = gst_pad_get_bufferpool (ladspa->srcpads[0]);
- if (ladspa->bufpool == NULL) {
- ladspa->bufpool = gst_buffer_pool_get_default (sizeof (LADSPA_Data) * ladspa->buffersize, ladspa->numbuffers);
- }
- }
-
buf = gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
GST_BUFFER_TIMESTAMP(buf) = ladspa->timestamp;
data = (LADSPA_Data *) GST_BUFFER_DATA(buf);
- desc = ladspa->descriptor;
- GST_DPMAN_PREPROCESS(ladspa->dpman, ladspa->buffersize, ladspa->timestamp);
+ GST_DPMAN_PREPROCESS(ladspa->dpman, ladspa->buffer_frames, ladspa->timestamp);
num_processed = 0;
/* split up processing of the buffer into chunks so that dparams can
ladspa->timestamp += num_to_process * GST_SECOND / ladspa->samplerate;
desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data);
+
desc->run(ladspa->handle, num_to_process);
data += num_to_process;
num_processed = num_to_process;
}
- return buf;
+ return GST_DATA (buf);
}
static void
LADSPA_Descriptor_Function pfDescriptorFunction)
{
const LADSPA_Descriptor *desc;
- int i,j;
-
- GstElementDetails *details;
+ gint i;
GTypeInfo typeinfo = {
sizeof(GstLADSPAClass),
- NULL,
+ (GBaseInitFunc)gst_ladspa_base_init,
NULL,
(GClassInitFunc)gst_ladspa_class_init,
NULL,
(GInstanceInitFunc)gst_ladspa_init,
};
GType type;
- GstElementFactory *factory;
/* walk through all the plugins in this pluginlibrary */
i = 0;
gchar *type_name;
/* construct the type */
- type_name = g_strdup_printf("ladspa_%s",desc->Label);
- g_strcanon (type_name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-_+", '-');
+ type_name = g_strdup_printf("ladspa-%s",desc->Label);
+ g_strcanon (type_name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-+", '-');
/* if it's already registered, drop it */
if (g_type_from_name(type_name)) {
g_free(type_name);
continue;
}
- /* create the type now */
- type = g_type_register_static(GST_TYPE_ELEMENT, type_name, &typeinfo, 0);
- /* construct the element details struct */
- details = g_new0(GstElementDetails,1);
- details->longname = g_strdup(desc->Name);
- details->klass = "Filter/Audio/LADSPA";
- details->description = details->longname;
- details->version = g_strdup_printf("%ld",desc->UniqueID);
- details->author = g_strdup(desc->Maker);
- details->copyright = g_strdup(desc->Copyright);
+ /* base-init temp alloc */
+ g_hash_table_insert(ladspa_descriptors,
+ GINT_TO_POINTER(0),
+ (gpointer)desc);
- /* register the plugin with gstreamer */
- factory = gst_element_factory_new(type_name,type,details);
- g_return_if_fail(factory != NULL);
- gst_plugin_add_feature (ladspa_plugin, GST_PLUGIN_FEATURE (factory));
+ /* create the type now */
+ type = g_type_register_static(GST_TYPE_ELEMENT, type_name, &typeinfo, 0);
+ if (!gst_element_register (ladspa_plugin, type_name, GST_RANK_NONE, type))
+ continue;
/* add this plugin to the hash */
g_hash_table_insert(ladspa_descriptors,
GINT_TO_POINTER(type),
(gpointer)desc);
-
-
- /* only add sink padtemplate if there are sinkpads */
- for (j=0;j<desc->PortCount;j++) {
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[j]) &&
- LADSPA_IS_PORT_INPUT(desc->PortDescriptors[j])) {
- sinktempl = ladspa_sink_factory();
- gst_element_factory_add_pad_template (factory, sinktempl);
- break;
- }
- }
-
- /* only add src padtemplate if there are srcpads */
- for (j=0;j<desc->PortCount;j++) {
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[j]) &&
- LADSPA_IS_PORT_OUTPUT(desc->PortDescriptors[j])) {
- srctempl = ladspa_src_factory();
- gst_element_factory_add_pad_template (factory, srctempl);
- break;
- }
- }
-
}
+
+ g_hash_table_remove (ladspa_descriptors, GINT_TO_POINTER (0));
}
static gboolean
-plugin_init (GModule *module, GstPlugin *plugin)
+plugin_init (GstPlugin *plugin)
{
+ GST_DEBUG_CATEGORY_INIT (ladspa_debug, "ladspa",
+ GST_DEBUG_FG_GREEN | GST_DEBUG_BG_BLACK | GST_DEBUG_BOLD,
+ "LADSPA");
+
ladspa_descriptors = g_hash_table_new(NULL,NULL);
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
LADSPAPluginSearch(ladspa_describe_plugin);
- if (! gst_library_load ("gstbytestream")) {
- gst_info ("gstladspa: could not load support library: 'gstbytestream'\n");
- return FALSE;
- }
-
- if (! gst_library_load ("gstcontrol")) {
- gst_info ("gstladspa: could not load support library: 'gstcontrol'\n");
- return FALSE;
- }
+ /* initialize dparam support library */
+ gst_control_init(NULL,NULL);
return TRUE;
}
-GstPluginDesc plugin_desc = {
+GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"ladspa",
- plugin_init
-};
-
+ "All LADSPA plugins",
+ plugin_init,
+ VERSION,
+ GST_LICENSE,
+ GST_PACKAGE,
+ GST_ORIGIN
+)
projects / platform / upstream / gst-plugins-good.git / blobdiff