/* 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 <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
-static GstPadTemplate*
-ladspa_src_factory (void)
+/* takes ownership of the name */
+static GstPadTemplate*
+ladspa_sink_factory (gchar *name)
{
- return
- gst_padtemplate_new (
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- 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);
+ return GST_PAD_TEMPLATE_NEW (
+ name,
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ gst_caps_new (
+ "ladspa_sink",
+ "audio/x-raw-float",
+ GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS
+ )
+ );
}
-static GstPadTemplate*
-ladspa_sink_factory (void)
+/* takes ownership of the name */
+static GstPadTemplate*
+ladspa_src_factory (gchar *name)
{
- return
- gst_padtemplate_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);
+ return GST_PAD_TEMPLATE_NEW (
+ name,
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ gst_caps_new (
+ "ladspa_src",
+ "audio/x-raw-float",
+ GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS
+ )
+ );
}
-enum {
- ARG_0,
- ARG_LOOP_BASED,
- ARG_SAMPLERATE,
- ARG_BUFFERSIZE,
- ARG_LAST,
-};
-
static void gst_ladspa_class_init (GstLADSPAClass *klass);
+static void gst_ladspa_base_init (GstLADSPAClass *klass);
static void gst_ladspa_init (GstLADSPA *ladspa);
-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_mono (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 GstPadTemplate *srctempl, *sinktempl;
-/* 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 = 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[0])) != 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;
- 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 = 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->numports = desc->PortCount;
-
- 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\n", 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\n", 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\n", 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++) {
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_MAXFLOAT;
}
if (LADSPA_IS_HINT_BOUNDED_ABOVE(hintdesc)) {
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
+ /* figure out the defaults */
+ if (LADSPA_IS_HINT_HAS_DEFAULT (hintdesc)) {
+ if (LADSPA_IS_HINT_DEFAULT_MINIMUM (hintdesc))
+ klass->control_info[i].def = klass->control_info[i].lowerbound;
+ else if (LADSPA_IS_HINT_DEFAULT_LOW (hintdesc))
+ if (LADSPA_IS_HINT_LOGARITHMIC (hintdesc))
+ klass->control_info[i].def = exp (0.75*log(klass->control_info[i].lowerbound) +
+ 0.25*log(klass->control_info[i].upperbound));
+ else
+ klass->control_info[i].def = (0.75*klass->control_info[i].lowerbound +
+ 0.25*klass->control_info[i].upperbound);
+ else if (LADSPA_IS_HINT_DEFAULT_MIDDLE (hintdesc))
+ if (LADSPA_IS_HINT_LOGARITHMIC (hintdesc))
+ klass->control_info[i].def = exp (0.5*log(klass->control_info[i].lowerbound) +
+ 0.5*log(klass->control_info[i].upperbound));
+ else
+ klass->control_info[i].def = (0.5*klass->control_info[i].lowerbound +
+ 0.5*klass->control_info[i].upperbound);
+ else if (LADSPA_IS_HINT_DEFAULT_HIGH (hintdesc))
+ if (LADSPA_IS_HINT_LOGARITHMIC (hintdesc))
+ klass->control_info[i].def = exp (0.25*log(klass->control_info[i].lowerbound) +
+ 0.75*log(klass->control_info[i].upperbound));
+ else
+ klass->control_info[i].def = (0.25*klass->control_info[i].lowerbound +
+ 0.75*klass->control_info[i].upperbound);
+ else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM (hintdesc))
+ klass->control_info[i].def = klass->control_info[i].upperbound;
+ else if (LADSPA_IS_HINT_DEFAULT_0 (hintdesc))
+ klass->control_info[i].def = 0.0;
+ else if (LADSPA_IS_HINT_DEFAULT_1 (hintdesc))
+ klass->control_info[i].def = 1.0;
+ else if (LADSPA_IS_HINT_DEFAULT_100 (hintdesc))
+ klass->control_info[i].def = 100.0;
+ else if (LADSPA_IS_HINT_DEFAULT_440 (hintdesc))
+ 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].writable = TRUE;
argname = numargname;
}
- g_print("adding arg %s from %s\n",argname, klass->control_info[i].name);
+ klass->control_info[i].param_name = argname;
+
+ 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);
} 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].def, 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].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;
/* 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);
-
- /* walk through the ports and add all the pads */
+ ladspa->dpman = gst_dpman_new ("ladspa_dpman", GST_ELEMENT(ladspa));
+
+ /* set up 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_CONTROL(desc->PortDescriptors[i]) &&
- LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])) {
- /* use the lowerbound as the default value if it exists */
- if (oclass->control_info[controlcount].lower){
- ladspa->controls[controlcount]=oclass->control_info[controlcount].lowerbound;
- } else {
- ladspa->controls[controlcount] = 0.0;
+ 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;
+
+ 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[i]), G_PARAM_READWRITE),
+ "int", gst_ladspa_update_int, &(ladspa->controls[i])
+ );
+ }
+ 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[i], G_PARAM_READWRITE),
+ "int", gst_ladspa_update_int, &(ladspa->controls[i])
+ );
+ }
+ 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[i], G_PARAM_READWRITE),
+ "hertz-rate-bound", &(ladspa->controls[i])
+ );
+ }
+ 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[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);
- /* 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);
-
- 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->sinkpads[0], gst_ladspa_connect);
- gst_pad_set_chain_function (ladspa->sinkpads[0], gst_ladspa_chain_mono);
- gst_pad_set_bufferpool_function (ladspa->sinkpads[0], gst_ladspa_get_bufferpool);
+ DEBUG_OBJ (ladspa, "mono get mode with 1 src pad");
+
+ gst_pad_set_get_function (ladspa->srcpads[0], gst_ladspa_get);
+ } else if (sinkcount==1){
+ /* with one sink we can use the chain function */
+ DEBUG_OBJ (ladspa, "chain mode");
+
+ gst_pad_set_chain_function (ladspa->sinkpads[0], gst_ladspa_chain);
+ } else if (sinkcount > 1){
+ /* more than one sink pad needs loop mode */
+ DEBUG_OBJ (ladspa, "loop mode with %d sink pads and %d src pads", sinkcount, srccount);
+
+ gst_element_set_loop_function (GST_ELEMENT (ladspa), gst_ladspa_loop);
+ } else if (sinkcount==0 && srccount == 0) {
+ /* for example, a plugin with only control inputs and output -- just ignore
+ * it for now */
} 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);
-
- 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);
- }
+ g_warning ("%d sink pads, %d src pads not yet supported", sinkcount, srccount);
+ }
- ladspa->loopbased = TRUE;
- gst_element_set_loop_function (ladspa, gst_ladspa_loop);
- }
+ gst_ladspa_instantiate (ladspa);
+}
- 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)
+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;
-
- g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
- g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
-
- /* have to instantiate ladspa plugin when samplerate changes (groan) */
- if (ladspa->samplerate != gst_caps_get_int (caps, "rate")){
- ladspa->samplerate = gst_caps_get_int (caps, "rate");
- if (! gst_ladspa_instantiate(ladspa))
- return GST_PAD_CONNECT_REFUSED;
- }
+ GstElement *element = (GstElement*)GST_PAD_PARENT (pad);
+ GstLADSPA *ladspa = (GstLADSPA*)element;
+ const GList *l = NULL;
+ gint rate;
- /* 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;
+ /* 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) {
+ ladspa->samplerate = rate;
+ if (! gst_ladspa_instantiate(ladspa))
+ 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_DELAYED;
+ 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);
-
- g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
- g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
-
- if (ladspa->samplerate != gst_caps_get_int (caps, "rate")) {
- ladspa->samplerate = gst_caps_get_int (caps, "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_DELAYED;
-}
+ 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\n");
- 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;
-
-/*
- 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) */
- 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\n", 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\n", 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\n");
+ 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\n", 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\n");
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\n");
+ 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\n");
+ 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)
{
- gint8 *raw_in, *zero_out, i, cur_buf;
- GstBuffer **buffers_out;
- GstEvent *event = NULL;
- guint32 waiting;
- LADSPA_Data **data_in, *data_out;
- unsigned long size;
-
+ guint i, j, numsrcpads, numsinkpads;
+ guint num_processed, num_to_process;
+ gint largest_buffer;
+ LADSPA_Data **data_in, **data_out;
+ GstBuffer **buffers_in, **buffers_out;
+
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);
- }
+ /* 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);
+
+ largest_buffer = -1;
- /* since this is a loop element, we just loop here til things fall apart. */
- do {
-
- /* 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's bytestream\n", i);
- raw_in = gst_bytestream_peek_bytes (ladspa->bytestreams[i], ladspa->buffersize * sizeof (LADSPA_Data));
-
- if (raw_in == 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\n", i);
- }
-
- /* 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;
- }
+ /* 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]));
+
+ 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 {
+ goto get_buffer;
}
-
- 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 (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;
+ }
- if (buffers_out[i] == NULL)
- GST_ERROR (0, "could not get new output buffer for srcpad %d !\n", i);
+ if (!ladspa->bufpool) {
+ gst_element_error (element, "Caps were never set, bailing...");
+ return;
+ }
- 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;
+ 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<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;
- /* 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 (ladspa->dpman, num_processed)) {
+ num_to_process = GST_DPMAN_FRAMES_TO_PROCESS(ladspa->dpman);
- desc->connect_port (ladspa->handle, oclass->srcpad_portnums[i], data_out);
- }
+ 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]);
- /* 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);
+ desc->run(ladspa->handle, 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);
- }
- for (i=0;i<oclass->numsrcpads;i++) {
- GST_DEBUG (0, "pushing buffer (%p) on src pad %d\n", buffers_out[i], i);
- gst_pad_push (ladspa->srcpads[i], buffers_out[i]);
- buffers_out[i] = NULL;
- desc->connect_port (ladspa->handle, oclass->srcpad_portnums[i], NULL);
- }
+ for (i=0 ; i<numsinkpads ; i++)
+ data_in[i] += num_to_process;
+ for (i=0 ; i<numsrcpads ; i++)
+ data_out[i] += num_to_process;
- ladspa->timestamp += ladspa->buffersize * ladspa->samplerate * 10^9;
- } while (TRUE);
+ 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);
}
static void
-gst_ladspa_chain_mono (GstPad *pad, GstBuffer *buf)
+gst_ladspa_chain (GstPad *pad, GstData *_data)
{
+ GstBuffer *buffer_in = GST_BUFFER (_data);
LADSPA_Descriptor *desc;
- LADSPA_Data *data;
+ 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_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;
- ladspa = (GstLADSPA *)gst_pad_get_parent (pad);
- g_return_if_fail(ladspa != NULL);
+ /* 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;
+ }
- /* this might happen if caps nego hasn't happened */
- g_return_if_fail(ladspa->handle != NULL);
+ /* 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 (! 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;
+ 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]);
+ }
- /* 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);
+ GST_DPMAN_PREPROCESS(ladspa->dpman, num_samples, GST_BUFFER_TIMESTAMP(buffer_in));
+ num_processed = 0;
- 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);
+ /* 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);
+
+ 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;
}
- gst_pad_push (ladspa->srcpads[0], buf);
+ 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);
+ }
}
-static GstBuffer *
+static GstData *
gst_ladspa_get(GstPad *pad)
-{
- LADSPA_Descriptor *desc;
- LADSPA_Data *data;
-
+{
GstLADSPA *ladspa;
GstLADSPAClass *oclass;
GstBuffer *buf;
-
- gint8 i, *zero_out;
- unsigned long size;
-
- g_return_val_if_fail(pad != NULL, NULL);
- g_return_val_if_fail(GST_IS_PAD(pad), NULL);
+ LADSPA_Data *data;
+ LADSPA_Descriptor *desc;
+ guint num_to_process, num_processed;
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 all src pads to set their caps */
- if (ladspa->newcaps) {
- for (i=0;i<oclass->numsrcpads;i++) {
- 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) {
+ /* capsnego hasn't happened... */
+ gst_ladspa_force_src_caps(ladspa, 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;
+ GST_DPMAN_PREPROCESS(ladspa->dpman, ladspa->buffer_frames, ladspa->timestamp);
+ num_processed = 0;
- for (i=0;i<oclass->numsrcpads;i++)
- desc->connect_port(ladspa->handle,oclass->srcpad_portnums[i],data);
+ /* 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);
- desc->run(ladspa->handle, size);
+ /* update timestamp */
+ ladspa->timestamp += num_to_process * GST_SECOND / ladspa->samplerate;
- for (i=0;i<oclass->numsrcpads;i++)
- desc->connect_port(ladspa->handle,oclass->srcpad_portnums[i],NULL);
+ desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data);
- return buf;
+ desc->run(ladspa->handle, num_to_process);
+
+ data += num_to_process;
+ num_processed = num_to_process;
+ }
+
+ 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/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_elementfactory_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_elementfactory_add_padtemplate (factory, sinktempl);
- break;
- }
- }
-
- srctempl = ladspa_src_factory();
- gst_elementfactory_add_padtemplate (factory, srctempl);
-
}
+
+ 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;
- }
-
+ /* 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