#include <string.h>
#include <math.h>
+#include <gst/control/control.h>
#include "gstladspa.h"
#include "ladspa.h" /* main ladspa sdk include file */
#include "utils.h" /* ladspa sdk utility functions */
-static GstPadTemplate*
-ladspa_src_factory (void)
-{
- return
- gst_pad_template_new (
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- gst_caps_new (
+GST_PAD_TEMPLATE_FACTORY (ladspa_sink_factory,
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_REQUEST,
+ 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",
+ GST_PAD_SRC,
+ GST_PAD_REQUEST,
+ GST_CAPS_NEW (
"ladspa_src",
- "audio/raw",
- 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),
- "channels", GST_PROPS_INT (1),
- "rate", GST_PROPS_INT_RANGE (0,G_MAXINT),
- NULL)),
- NULL);
-}
+ "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*
-ladspa_sink_factory (void)
-{
- return
- gst_pad_template_new (
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- gst_caps_new (
- "float2int_sink",
- "audio/raw",
- 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),
- "channels", GST_PROPS_INT (1),
- "rate", GST_PROPS_INT_RANGE (0,G_MAXINT),
- NULL)),
- NULL);
-}
+static GstPadTemplate *srctempl, *sinktempl;
enum {
ARG_0,
- ARG_LOOP_BASED,
ARG_SAMPLERATE,
ARG_BUFFERSIZE,
ARG_LAST,
static void gst_ladspa_class_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_force_src_caps (GstLADSPA *ladspa, GstPad *pad);
static GstElementStateReturn gst_ladspa_change_state (GstElement *element);
static void gst_ladspa_loop (GstElement *element);
-static void gst_ladspa_chain_mono (GstPad *pad,GstBuffer *buf);
+static void gst_ladspa_chain (GstPad *pad,GstBuffer *buf);
static GstBuffer * gst_ladspa_get (GstPad *pad);
static GstElementClass *parent_class = NULL;
-static GstPadTemplate *srctempl, *sinktempl;
/* static guint gst_ladspa_signals[LAST_SIGNAL] = { 0 }; */
static GstPlugin *ladspa_plugin;
if (oclass->numsrcpads > 0)
for (i=0;i<oclass->numsrcpads;i++)
- if ((bp = gst_pad_get_bufferpool(ladspa->srcpads[0])) != NULL)
+ if ((bp = gst_pad_get_bufferpool(ladspa->srcpads[i])) != NULL)
return bp;
return NULL;
gstelement_class->change_state = gst_ladspa_change_state;
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LOOP_BASED,
- g_param_spec_boolean("loop-based","loop-based","loop-based",
- FALSE,G_PARAM_READWRITE));
-
/* 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;
desc->PortRangeHints[current_portnum].LowerBound;
} else {
if (argtype==G_TYPE_INT) klass->control_info[i].lowerbound = (gfloat)G_MININT;
- if (argtype==G_TYPE_FLOAT) klass->control_info[i].lowerbound = G_MINFLOAT;
+ if (argtype==G_TYPE_FLOAT) klass->control_info[i].lowerbound = -G_MINFLOAT;
}
if (LADSPA_IS_HINT_BOUNDED_ABOVE(hintdesc)) {
argname = numargname;
}
- g_print("adding arg %s from %s\n",argname, klass->control_info[i].name);
+ klass->control_info[i].param_name = argname;
+
+ GST_DEBUG (0, "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);
} else if (argtype==G_TYPE_INT){
paramspec = g_param_spec_int(argname,argname,argname,
- (gint)klass->control_info[i].lowerbound, (gint)klass->control_info[i].upperbound, 0, argperms);
+ (gint)klass->control_info[i].lowerbound,
+ (gint)klass->control_info[i].upperbound,
+ (gint)klass->control_info[i].lowerbound, argperms);
+ } else if (klass->control_info[i].samplerate){
+ paramspec = g_param_spec_float(argname,argname,argname,
+ 0.0, G_MAXFLOAT,
+ 0.0, argperms);
} else {
paramspec = g_param_spec_float(argname,argname,argname,
klass->control_info[i].lowerbound, klass->control_info[i].upperbound,
- (klass->control_info[i].lowerbound + klass->control_info[i].upperbound) / 2.0f, argperms);
+ klass->control_info[i].lowerbound, argperms);
}
g_object_class_install_property(G_OBJECT_CLASS(klass), i+ARG_LAST, paramspec);
gst_ladspa_init (GstLADSPA *ladspa)
{
GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS(ladspa));
+ ladspa_control_info cinfo;
LADSPA_Descriptor *desc;
gint i,sinkcount,srccount,controlcount;
/* allocate the various arrays */
ladspa->srcpads = g_new0(GstPad*,oclass->numsrcpads);
ladspa->sinkpads = g_new0(GstPad*,oclass->numsinkpads);
- ladspa->bytestreams = g_new0(GstByteStream*,oclass->numsinkpads);
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 */
sinkcount = 0;
srccount = 0;
controlcount = 0;
for (i=0;i<desc->PortCount;i++) {
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])) {
- ladspa->sinkpads[sinkcount] = gst_pad_new_from_template (sinktempl, (gchar *)desc->PortNames[i]);
- ladspa->bytestreams[sinkcount] = gst_bytestream_new (ladspa->sinkpads[sinkcount]);
- gst_element_add_pad(GST_ELEMENT(ladspa),ladspa->sinkpads[sinkcount]);
- sinkcount++;
- }
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_OUTPUT(desc->PortDescriptors[i])) {
- ladspa->srcpads[srccount] = gst_pad_new_from_template (srctempl, (gchar *)desc->PortNames[i]);
- gst_element_add_pad(GST_ELEMENT(ladspa),ladspa->srcpads[srccount]);
- srccount++;
+
+ 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 */
- if (oclass->control_info[controlcount].lower){
- ladspa->controls[controlcount]=oclass->control_info[controlcount].lowerbound;
+ if (cinfo.lower){
+ ladspa->controls[controlcount]=cinfo.lowerbound;
} else {
ladspa->controls[controlcount] = 0.0;
}
+
+ /* 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])
+ );
+ }
+ else if (cinfo.integer){
+ gst_dpman_add_required_dparam_callback (
+ 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])
+ );
+ }
+ else if (cinfo.samplerate){
+ gst_dpman_add_required_dparam_direct (
+ 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])
+ );
+ }
+ else {
+ gst_dpman_add_required_dparam_direct (
+ 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])
+ );
+ }
+
controlcount++;
}
}
ladspa->activated = FALSE;
ladspa->bufpool = NULL;
- /* we assume srccount > 0 because there are no LADSPA sink elements. */
-
- if (sinkcount==0) {
+ if (sinkcount==0 && srccount == 1) {
/* get mode (no sink pads) */
- GST_INFO (0, "get mode with %d src pads\n", srccount);
+ GST_DEBUG (0, "mono get mode with 1 src pad");
ladspa->newcaps = TRUE;
ladspa->samplerate = 44100;
ladspa->buffersize = 64;
- for (i=0;i<srccount;i++) {
- gst_pad_set_connect_function (ladspa->srcpads[i], gst_ladspa_connect_get);
- gst_pad_set_get_function (ladspa->srcpads[i], gst_ladspa_get);
- }
- } else if (sinkcount==1 && srccount==1){
- /* mono chain */
- GST_INFO (0, "inplace mono chain mode\n");
+ 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");
gst_pad_set_connect_function (ladspa->sinkpads[0], gst_ladspa_connect);
- gst_pad_set_chain_function (ladspa->sinkpads[0], gst_ladspa_chain_mono);
+ gst_pad_set_chain_function (ladspa->sinkpads[0], gst_ladspa_chain);
gst_pad_set_bufferpool_function (ladspa->sinkpads[0], gst_ladspa_get_bufferpool);
- } else {
- /* sinkcount>0 and srccount>0 : N sink pads and M src pads */
- GST_INFO (0, "loop mode with %d sink pads and %d src pads\n", sinkcount, srccount);
+ } 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);
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);
}
-
- ladspa->loopbased = TRUE;
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 {
+ g_warning("%d sink pads, %d src pads not yet supported", sinkcount, srccount);
+ }
gst_ladspa_instantiate(ladspa);
}
+static void
+gst_ladspa_update_int(const GValue *value, gpointer data)
+{
+ gfloat *target = (gfloat*) data;
+ *target = (gfloat)g_value_get_int(value);
+}
+
static GstPadConnectReturn
gst_ladspa_connect (GstPad *pad, GstCaps *caps)
{
g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
- gst_caps_get_int (caps, "rate", &rate);
- /* have to instantiate ladspa plugin when samplerate changes (groan) */
- if (ladspa->samplerate != rate){
- ladspa->samplerate = rate;
- if (! gst_ladspa_instantiate(ladspa))
- return GST_PAD_CONNECT_REFUSED;
+ if (gst_caps_get_int (caps, "rate", &rate)){
+ /* have to instantiate ladspa plugin when samplerate changes (groan) */
+ 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
}
}
- return GST_PAD_CONNECT_DELAYED;
+ return GST_PAD_CONNECT_OK;
}
static GstPadConnectReturn
g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
-
- 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 (gst_caps_get_int (caps, "rate", &rate)){
+ if (ladspa->samplerate != rate) {
+ ladspa->samplerate = rate;
+ if (! gst_ladspa_instantiate(ladspa))
+ return GST_PAD_CONNECT_REFUSED;
+ }
}
- return GST_PAD_CONNECT_DELAYED;
+ return GST_PAD_CONNECT_OK;
}
static void
gst_ladspa_force_src_caps(GstLADSPA *ladspa, GstPad *pad)
{
- GST_DEBUG (0, "forcing caps");
+ GST_DEBUG (0, "forcing caps with rate %d", ladspa->samplerate);
gst_pad_try_set_caps (pad, gst_caps_new (
"ladspa_src_caps",
"audio/raw",
/* is it a ladspa plugin arg? */
if (cid < 0) return;
-/*
- if (id == ARG_LOOP_BASED) {
- * we can only do this in NULL state *
- g_return_if_fail (GST_STATE(object) != GST_STATE_NULL);
- ladspa->loopbased = g_value_get_boolean (value);
- if (ladspa->loopbased) {
- gst_element_set_loop_function (GST_ELEMENT (ladspa), gst_ladspa_loop);
- } else {
- gst_element_set_loop_function (GST_ELEMENT (ladspa), NULL);
- }
- }
-*/
-
oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (object));
/* verify it exists and is a control (not a port) */
}
static void
-gst_ladspa_loop (GstElement *element)
+gst_ladspa_loop(GstElement *element)
{
- gint8 *raw_in, *zero_out, i;
- GstBuffer **buffers_out;
+ guint bufferbytesize, i, numsrcpads, numsinkpads, num_empty_pads;
+ guint num_processed, num_to_process;
GstEvent *event = NULL;
guint32 waiting;
- LADSPA_Data **data_in, *data_out;
- unsigned long size;
-
+ LADSPA_Data **data_in, **data_out;
+ GstBuffer **buffers_in, **buffers_out;
+ GstBufferPool *bufpool;
+ GstByteStream **bytestreams;
+ gboolean inplace_broken;
+
GstLADSPA *ladspa = (GstLADSPA *)element;
GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (ladspa));
LADSPA_Descriptor *desc = ladspa->descriptor;
- data_in = g_new0(LADSPA_Data *, oclass->numsinkpads);
- buffers_out = g_new0(GstBuffer *, oclass->numsrcpads);
+ numsinkpads = oclass->numsinkpads;
+ numsrcpads = oclass->numsrcpads;
- /* set up the bufferpool first if necessary */
- i = 0;
- while ((ladspa->bufpool == NULL) && (i < oclass->numsrcpads)) {
- ladspa->bufpool = gst_pad_get_bufferpool (ladspa->srcpads[i++]);
- }
- if (ladspa->bufpool == NULL) {
- ladspa->bufpool = gst_buffer_pool_get_default (sizeof (LADSPA_Data) * ladspa->buffersize,
- ladspa->numbuffers);
+ 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);
+
+ /* 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<oclass->numsinkpads;i++){
- GST_DEBUG (0, "pulling %d bytes through channel %d'sbytestream\n",
- ladspa->buffersize * sizeof (LADSPA_Data), i);
- raw_in = gst_bytestream_peek_bytes (ladspa->bytestreams[i], ladspa->buffersize * sizeof (LADSPA_Data));
+ for (i=0 ; i<numsinkpads ; i++){
+ GST_DEBUG (0, "pulling %u bytes through channel %d'sbytestream", bufferbytesize, i);
+ buffers_in[i] = gst_bytestream_read (bytestreams[i], bufferbytesize);
- if (raw_in == NULL) {
+ if (buffers_in[i] == NULL) {
/* we need to check for an event. */
- gst_bytestream_get_status (ladspa->bytestreams[i], &waiting, &event);
-
- if (event) {
- if (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);
- }
+ gst_bytestream_get_status (bytestreams[i], &waiting, &event);
- /* we need to create some zeroed out data to feed to this port of the
- ladspa filter. */
- data_in[i] = g_new0 (LADSPA_Data, ladspa->buffersize * sizeof (LADSPA_Data));
- } else {
- /* copy the retrieved data and bind the ladspa src port to the data */
- data_in[i] = (LADSPA_Data *) raw_in;
+ 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;
}
-
- raw_in = NULL;
- desc->connect_port (ladspa->handle, oclass->sinkpad_portnums[i], data_in[i]);
- gst_bytestream_flush (ladspa->bytestreams[i], ladspa->buffersize * sizeof (LADSPA_Data));
}
- /* now set up the output ports */
- for (i=0;i<oclass->numsrcpads;i++) {
- buffers_out[i] = (GstBuffer *) gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
-
- if (buffers_out[i] == NULL)
- GST_ERROR (0, "could not get new output buffer for srcpad %d !\n", i);
+ 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;
+ }
+ }
+
+ /* 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 && !inplace_broken){
+ /* we can share buffers */
+ buffers_out[i] = buffers_in[i];
+ data_out[i] = data_in[i];
+ } 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]);
+ }
+ }
- data_out = (LADSPA_Data *) GST_BUFFER_DATA (buffers_out[i]);
- size = GST_BUFFER_SIZE (buffers_out[i]);
- GST_BUFFER_TIMESTAMP (buffers_out[i]) = ladspa->timestamp;
+ num_to_process = GST_DPMAN_PREPROCESS(ladspa->dpman, ladspa->buffersize, ladspa->timestamp);
+ num_processed = 0;
- /* initialize the output data to 0 */
- zero_out = (gint8 *) GST_BUFFER_DATA (buffers_out[i]);
- for (i = 0; i < size; i++)
- zero_out[i] = 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_CHUNK(ladspa->dpman, num_to_process, num_processed)) {
- desc->connect_port (ladspa->handle, oclass->srcpad_portnums[i], data_out);
- }
-
- /* i'm not sure if this will work ; the number of samples might be
- nonconstant across sources and sinks ... */
- desc->run (ladspa->handle, ladspa->buffersize);
+ 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;
+ }
- /* now go through and reset the ladspa ports, pushing out the output buffers
- at the same time. */
- for (i=0;i<oclass->numsinkpads;i++) {
- desc->connect_port (ladspa->handle, oclass->sinkpad_portnums[i], NULL);
+ num_processed = num_to_process;
+ num_to_process = 0;
}
- for (i=0;i<oclass->numsrcpads;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;
- desc->connect_port (ladspa->handle, oclass->srcpad_portnums[i], NULL);
}
-
- ladspa->timestamp += ladspa->buffersize * ladspa->samplerate * 10^9;
+ for (i=0 ; i<numsinkpads ; i++) {
+ if (i > numsrcpads || inplace_broken){
+ /* we have some buffers to unref */
+ gst_buffer_unref(buffers_in[i]);
+ }
+ data_in[i] = NULL;
+ buffers_in[i] = NULL;
+ }
+
+ ladspa->timestamp += ladspa->buffersize * 10^9 / ladspa->samplerate;
} while (TRUE);
+ for (i=0 ; i<numsinkpads ; i++){
+ gst_bytestream_destroy (bytestreams[i]);
+ }
+
g_free (buffers_out);
+ g_free (buffers_in);
+ g_free (data_out);
+ g_free (data_in);
+ g_free (bytestreams);
}
static void
-gst_ladspa_chain_mono (GstPad *pad, GstBuffer *buf)
+gst_ladspa_chain (GstPad *pad, GstBuffer *buf)
{
LADSPA_Descriptor *desc;
- LADSPA_Data *data;
+ LADSPA_Data *data_in, **data_out;
+ GstBuffer **buffers_out;
+
unsigned long num_samples;
+ gboolean inplace_broken;
+ guint num_to_process, num_processed, i, numsrcpads;
GstLADSPA *ladspa;
GstLADSPAClass *oclass;
/* this might happen if caps nego hasn't happened */
g_return_if_fail(ladspa->handle != NULL);
- if (! GST_IS_EVENT (buf)) {
- oclass = (GstLADSPAClass *) (G_OBJECT_GET_CLASS (ladspa));
- data = (LADSPA_Data *) GST_BUFFER_DATA(buf);
- num_samples = GST_BUFFER_SIZE(buf) / sizeof(gfloat);
-
- desc = ladspa->descriptor;
+ oclass = (GstLADSPAClass *) (G_OBJECT_GET_CLASS (ladspa));
+
+ 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);
+ }
+ return;
+ }
- /* we know that we're dealing here with a filter that has one sink and one
- src pad. */
- desc->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],data);
- desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data);
+ data_in = (LADSPA_Data *) GST_BUFFER_DATA(buf);
+ num_samples = GST_BUFFER_SIZE(buf) / sizeof(gfloat);
+ numsrcpads = oclass->numsrcpads;
- desc->run(ladspa->handle,num_samples);
-
- desc->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],NULL);
- desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],NULL);
+ desc = ladspa->descriptor;
+
+ inplace_broken = LADSPA_IS_INPLACE_BROKEN(desc->Properties);
+ if (numsrcpads > 0){
+ guint num_created_buffers = 0;
+ buffers_out = g_new(GstBuffer*, numsrcpads);
+ data_out = g_new(LADSPA_Data*, numsrcpads);
+
+ if (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){
+ GstBufferPool *bufpool;
+ 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]);
+ }
+ }
}
- gst_pad_push (ladspa->srcpads[0], buf);
+ num_to_process = GST_DPMAN_PREPROCESS(ladspa->dpman, num_samples, GST_BUFFER_TIMESTAMP(buf));
+ 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_CHUNK(ladspa->dpman, num_to_process, num_processed)) {
+ desc->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],data_in);
+ 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++){
+ data_out[i] += num_to_process;
+ }
+ num_processed += num_to_process;
+ num_to_process = 0;
+ }
+
+ if (numsrcpads > 0){
+ for (i=0 ; i<numsrcpads ; i++){
+ gst_pad_push (ladspa->srcpads[i], 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 *
gst_ladspa_get(GstPad *pad)
-{
- LADSPA_Descriptor *desc;
- LADSPA_Data *data;
-
+{
GstLADSPA *ladspa;
GstLADSPAClass *oclass;
+
GstBuffer *buf;
+ LADSPA_Data *data;
+ LADSPA_Descriptor *desc;
- gint8 i, *zero_out;
- unsigned long size;
+ guint num_to_process, num_processed;
g_return_val_if_fail(pad != NULL, NULL);
g_return_val_if_fail(GST_IS_PAD(pad), NULL);
oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS(ladspa));
- /* force all src pads to set their caps */
+ /* force src pad to set caps */
if (ladspa->newcaps) {
- for (i=0;i<oclass->numsrcpads;i++) {
- gst_ladspa_force_src_caps(ladspa, ladspa->srcpads[0]);
- }
+ gst_ladspa_force_src_caps(ladspa, ladspa->srcpads[0]);
}
/* get a bufferpool */
- i = 0;
- while ((ladspa->bufpool == NULL) && (i < oclass->numsrcpads)) {
- ladspa->bufpool = gst_pad_get_bufferpool (ladspa->srcpads[i++]);
- }
if (ladspa->bufpool == NULL) {
- ladspa->bufpool = gst_buffer_pool_get_default (sizeof (LADSPA_Data) * ladspa->buffersize,
- ladspa->numbuffers);
+ 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 = (GstBuffer *) gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
- g_return_val_if_fail (buf, NULL);
-
- /* initialize the output data to 0 */
- zero_out = (gint8 *) GST_BUFFER_DATA (buf);
- for (i = 0; i < GST_BUFFER_SIZE (buf); i++)
- zero_out[i] = 0;
- data = (LADSPA_Data *) GST_BUFFER_DATA(buf);
- size = GST_BUFFER_SIZE(buf);
+ buf = gst_buffer_new_from_pool (ladspa->bufpool, 0, 0);
GST_BUFFER_TIMESTAMP(buf) = ladspa->timestamp;
- ladspa->timestamp += size * ladspa->samplerate * 10^9;
+ data = (LADSPA_Data *) GST_BUFFER_DATA(buf);
desc = ladspa->descriptor;
-
- for (i=0;i<oclass->numsrcpads;i++)
- desc->connect_port(ladspa->handle,oclass->srcpad_portnums[i],data);
-
- desc->run(ladspa->handle, size);
-
- for (i=0;i<oclass->numsrcpads;i++)
- desc->connect_port(ladspa->handle,oclass->srcpad_portnums[i],NULL);
-
+ num_to_process = GST_DPMAN_PREPROCESS(ladspa->dpman, ladspa->buffersize, ladspa->timestamp);
+ num_processed = 0;
+
+ /* update timestamp */
+ ladspa->timestamp += num_to_process * 10^9 / ladspa->samplerate;
+
+ /* 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_CHUNK(ladspa->dpman, num_to_process, num_processed)) {
+ 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;
+ num_to_process = 0;
+ }
+
return buf;
}
break;
}
}
-
- srctempl = ladspa_src_factory();
- gst_element_factory_add_pad_template (factory, srctempl);
+
+ /* 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;
+ }
+ }
}
}
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;
+ }
+
return TRUE;
}
projects / platform / upstream / gstreamer.git / commitdiff