From 77c65b62bf9aab7d50b09fa4fd7ceeab0acd9e5c Mon Sep 17 00:00:00 2001 From: Leif Johnson Date: Tue, 22 Jan 2002 04:42:11 +0000 Subject: Updated ladspa to work with the new caps nego stuff. Also updated it to work in using a loop function for configurati... Original commit message from CVS: Updated ladspa to work with the new caps nego stuff. Also updated it to work in any M sinkpads by N srcpads configuration (M > -1 and N > 0), using a loop function for configurations other than M == N == 1 or M == 0. --- ext/ladspa/gstladspa.c | 546 +++++++++++++++++++++++++++++-------------------- ext/ladspa/gstladspa.h | 20 +- 2 files changed, 328 insertions(+), 238 deletions(-) (limited to 'ext') diff --git a/ext/ladspa/gstladspa.c b/ext/ladspa/gstladspa.c index 53f1d5e3..b6727255 100644 --- a/ext/ladspa/gstladspa.c +++ b/ext/ladspa/gstladspa.c @@ -21,11 +21,9 @@ #include #include -//#define DEBUG_ENABLED #include "gstladspa.h" -#include "ladspa.h" -#include "search.h" -#include "utils.h" +#include "ladspa.h" /* main ladspa sdk include file */ +#include "utils.h" /* ladspa sdk utility functions */ static GstPadTemplate* @@ -80,35 +78,48 @@ enum { ARG_LAST, }; -static GstPadTemplate *srctempl, *sinktempl; - static void gst_ladspa_class_init (GstLADSPAClass *klass); static void gst_ladspa_init (GstLADSPA *ladspa); -//static GstPadNegotiateReturn gst_ladspa_negotiate_sink_mono (GstPad *pad, GstCaps **caps, gpointer *data); -//static GstPadNegotiateReturn gst_ladspa_negotiate_src_mono (GstPad *pad, GstCaps **caps, gpointer *data); -//static GstPadNegotiateReturn gst_ladspa_negotiate_src_get_mono (GstPad *pad, GstCaps **caps, gpointer *data); -static void gst_ladspa_force_caps(GstLADSPA *ladspa, GstPad *pad); +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 void gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gst_ladspa_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); -static gboolean gst_ladspa_instantiate (GstLADSPA *ladspa); -static void gst_ladspa_activate(GstLADSPA *ladspa); -static void gst_ladspa_deactivate(GstLADSPA *ladspa); +static gboolean gst_ladspa_instantiate (GstLADSPA *ladspa); +static void gst_ladspa_activate (GstLADSPA *ladspa); +static void gst_ladspa_deactivate (GstLADSPA *ladspa); static GstElementStateReturn gst_ladspa_change_state (GstElement *element); static void gst_ladspa_loop (GstElement *element); -static void gst_ladspa_chain_inplace_mono (GstPad *pad,GstBuffer *buf); -static GstBuffer * gst_ladspa_get_mono(GstPad *pad); -static GstBuffer * gst_ladspa_get(GstPad *pad); +static void gst_ladspa_chain_mono (GstPad *pad,GstBuffer *buf); +static GstBuffer * gst_ladspa_get (GstPad *pad); static GstElementClass *parent_class = NULL; -//static guint gst_ladspa_signals[LAST_SIGNAL] = { 0 }; +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) +{ + gint i; + GstBufferPool *bp; + GstLADSPA *ladspa = gst_pad_get_parent (pad); + GstLADSPAClass *oclass = (GstLADSPAClass *) (G_OBJECT_GET_CLASS (ladspa)); + + if (oclass->numsrcpads > 0) + for (i=0;inumsrcpads;i++) + if ((bp = gst_pad_get_bufferpool(ladspa->srcpads[0])) != NULL) + return bp; + + return NULL; +} + static void gst_ladspa_class_init (GstLADSPAClass *klass) { @@ -119,7 +130,7 @@ gst_ladspa_class_init (GstLADSPAClass *klass) gint hintdesc; gint argtype,argperms; GParamSpec *paramspec = NULL; - gchar *argname, *tempstr; + gchar *argname, *tempstr, *paren; gobject_class = (GObjectClass*)klass; gstelement_class = (GstElementClass*)klass; @@ -133,7 +144,7 @@ gst_ladspa_class_init (GstLADSPAClass *klass) g_param_spec_boolean("loop-based","loop-based","loop-based", FALSE,G_PARAM_READWRITE)); - // look up and store the ladspa descriptor + /* 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; @@ -143,7 +154,7 @@ gst_ladspa_class_init (GstLADSPAClass *klass) klass->numsrcpads = 0; klass->numcontrols = 0; - // walk through the ports, count the input, output and control ports + /* walk through the ports, count the input, output and control ports */ for (i=0;iPortCount;i++) { if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) && LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])){ @@ -168,28 +179,30 @@ gst_ladspa_class_init (GstLADSPAClass *klass) srccount = 0; controlcount = 0; - // walk through the ports, note the portnums for srcpads, sinkpads and control params + /* walk through the ports, note the portnums for srcpads, sinkpads and control + params */ for (i=0;iPortCount;i++) { if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) && LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i])){ - //g_print("input port %d\n", 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])){ - //g_print("output port %d\n", 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])){ - //g_print("control port %d\n", i); + GST_DEBUG (0, "control port %d\n", i); klass->control_portnums[controlcount++] = i; } } - // no sink pads - we'll use get mode and add params for samplerate and buffersize + /* 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", @@ -200,17 +213,16 @@ gst_ladspa_class_init (GstLADSPAClass *klass) } - // now build the contorl info from the control ports + /* now build the contorl info from the control ports */ klass->control_info = g_new0(ladspa_control_info,klass->numcontrols); for (i=0;inumcontrols;i++) { - current_portnum = klass->control_portnums[i]; - // short name for hint descriptor + /* short name for hint descriptor */ hintdesc = desc->PortRangeHints[current_portnum].HintDescriptor; - // get the various bits + /* get the various bits */ if (LADSPA_IS_HINT_TOGGLED(hintdesc)) klass->control_info[i].toggled = TRUE; if (LADSPA_IS_HINT_LOGARITHMIC(hintdesc)) @@ -218,12 +230,12 @@ gst_ladspa_class_init (GstLADSPAClass *klass) if (LADSPA_IS_HINT_INTEGER(hintdesc)) klass->control_info[i].integer = TRUE; - // figure out the argument details + /* figure out the argument details */ if (klass->control_info[i].toggled) argtype = G_TYPE_BOOLEAN; else if (klass->control_info[i].integer) argtype = G_TYPE_INT; else argtype = G_TYPE_FLOAT; - // grab the bounds + /* grab the bounds */ if (LADSPA_IS_HINT_BOUNDED_BELOW(hintdesc)) { klass->control_info[i].lower = TRUE; klass->control_info[i].lowerbound = @@ -254,6 +266,12 @@ gst_ladspa_class_init (GstLADSPAClass *klass) klass->control_info[i].name = g_strdup(desc->PortNames[current_portnum]); argname = g_strdup(klass->control_info[i].name); + /* find out if there is a (unitname) at the end of the argname and get rid + of it */ + paren = g_strrstr (argname, " ("); + if (paren != NULL) { + *paren = '\0'; + } /* this is the same thing that param_spec_* will do */ g_strcanon (argname, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-", '-'); /* satisfy glib2 (argname[0] must be [A-Za-z]) */ @@ -302,34 +320,33 @@ gst_ladspa_init (GstLADSPA *ladspa) desc = oclass->descriptor; ladspa->descriptor = oclass->descriptor; - // allocate the various arrays + /* 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 + /* walk through the ports and add all the pads */ sinkcount = 0; srccount = 0; controlcount = 0; for (i=0;iPortCount;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->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]); + 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 + /* 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 { @@ -340,89 +357,100 @@ gst_ladspa_init (GstLADSPA *ladspa) } ladspa->samplerate = 0; - ladspa->buffersize = 0; + ladspa->buffersize = 64; + ladspa->numbuffers = 16; ladspa->newcaps = FALSE; ladspa->activated = FALSE; - - // mono chain - if (sinkcount==1 && srccount==1){ - //g_print("inplace mono chain mode\n"); - //gst_pad_set_negotiate_function (ladspa->sinkpads[0], gst_ladspa_negotiate_sink_mono); - gst_pad_set_chain_function(ladspa->sinkpads[0],gst_ladspa_chain_inplace_mono); - //gst_pad_set_negotiate_function (ladspa->srcpads[0], gst_ladspa_negotiate_src_mono); - } - - // mono get (no sink pads) - if (sinkcount==0 && srccount == 1){ - //g_print("get mode\n"); - ladspa->newcaps = TRUE; - ladspa->samplerate = 44100; - ladspa->buffersize = 64; - gst_pad_set_get_function(ladspa->srcpads[0],gst_ladspa_get_mono); - //gst_pad_set_negotiate_function (ladspa->srcpads[0], gst_ladspa_negotiate_src_get_mono); - gst_ladspa_instantiate(ladspa); - } - - // multi srcpad get - if (sinkcount==0 && srccount > 1){ - //g_print("multi get mode\n"); + ladspa->bufpool = NULL; + + /* we assume srccount > 0 because there are no LADSPA sink elements. */ + + if (sinkcount==0) { + /* 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; - gst_pad_set_get_function(ladspa->srcpads[0],gst_ladspa_get); - //gst_pad_set_negotiate_function (ladspa->srcpads[0], gst_ladspa_negotiate_src_get_mono); - gst_ladspa_instantiate(ladspa); - ladspa->buffers = g_new0(GstBuffer*,oclass->numsrcpads); - } + + for (i=0;isrcpads[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); + } 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;isinkpads[i], gst_ladspa_connect); + gst_pad_set_bufferpool_function (ladspa->sinkpads[i], gst_ladspa_get_bufferpool); + } + + ladspa->loopbased = TRUE; + gst_element_set_loop_function (ladspa, gst_ladspa_loop); + } + + gst_ladspa_instantiate(ladspa); } -#if 0 -static GstPadNegotiateReturn -gst_ladspa_negotiate_src_mono (GstPad *pad, GstCaps **caps, gpointer *data) +static GstPadConnectReturn +gst_ladspa_connect (GstPad *pad, GstCaps *caps) { - GstLADSPA *ladspa = (GstLADSPA*)GST_OBJECT_PARENT (pad); - - // 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_NEGOTIATE_FAIL; + 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; } - return gst_pad_negotiate_proxy (pad, ladspa->sinkpads[0], caps); -} -static GstPadNegotiateReturn -gst_ladspa_negotiate_sink_mono (GstPad *pad, GstCaps **caps, gpointer *data) -{ - GstLADSPA *ladspa = (GstLADSPA*)GST_OBJECT_PARENT (pad); - - // 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_NEGOTIATE_FAIL; + /* 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;inumsrcpads;i++) { + if (! gst_pad_try_set_caps (ladspa->srcpads[i], caps)) + return GST_PAD_CONNECT_REFUSED; + } } - return gst_pad_negotiate_proxy (pad, ladspa->srcpads[0], caps); + + return GST_PAD_CONNECT_DELAYED; } -static GstPadNegotiateReturn -gst_ladspa_negotiate_src_get_mono (GstPad *pad, GstCaps **caps, gpointer *data) +static GstPadConnectReturn +gst_ladspa_connect_get (GstPad *pad, GstCaps *caps) { - GstLADSPA *ladspa; - //g_print("gst_ladspa_negotiate_src_get_mono\n"); - if (*caps) { - g_return_val_if_fail (pad != NULL, GST_PAD_NEGOTIATE_FAIL); - ladspa = (GstLADSPA*)GST_OBJECT_PARENT (pad); - ladspa->samplerate = gst_caps_get_int (*caps, "rate"); - if (!gst_ladspa_instantiate(ladspa)) return GST_PAD_NEGOTIATE_FAIL; - return GST_PAD_NEGOTIATE_AGREE; + 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; } - return GST_PAD_NEGOTIATE_FAIL; + + return GST_PAD_CONNECT_DELAYED; } -#endif static void -gst_ladspa_force_caps(GstLADSPA *ladspa, GstPad *pad) { - - // g_print("forcing caps\n"); +gst_ladspa_force_src_caps(GstLADSPA *ladspa, GstPad *pad) +{ + GST_DEBUG (0, "forcing caps\n"); gst_pad_try_set_caps (pad, gst_caps_new ( "ladspa_src_caps", "audio/raw", @@ -448,7 +476,7 @@ gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GP ladspa_control_info *control_info; gfloat val=0.0; - // these are only registered in get mode + /* these are only registered in get mode */ switch (prop_id) { case ARG_SAMPLERATE: ladspa->samplerate = g_value_get_int (value); @@ -459,8 +487,8 @@ gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GP break; } - // is it a ladspa plugin arg? - if (cid<0) return; + /* is it a ladspa plugin arg? */ + if (cid < 0) return; /* if (id == ARG_LOOP_BASED) { @@ -477,18 +505,16 @@ gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GP oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (object)); - // verify it exists and is a control (not a port) + /* verify it exists and is a control (not a port) */ g_return_if_fail(cid < oclass->numcontrols); control_info = &(oclass->control_info[cid]); g_return_if_fail (control_info->name != NULL); - // check to see if it's writable + /* check to see if it's writable */ g_return_if_fail (control_info->writable); - // g_print("set arg %s to %f\n",control_info->name,ladspa->controls[cid]); - - // now see what type it is + /* now see what type it is */ if (control_info->toggled) { if (g_value_get_boolean (value)) ladspa->controls[cid] = 1.0; @@ -501,6 +527,8 @@ gst_ladspa_set_property (GObject *object, guint prop_id, const GValue *value, GP 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]); } static void @@ -511,7 +539,7 @@ gst_ladspa_get_property (GObject *object, guint prop_id, GValue *value, GParamSp GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (object)); ladspa_control_info *control_info; - // these are only registered in get mode + /* these are only registered in get mode */ switch (prop_id){ case ARG_SAMPLERATE: g_value_set_int (value, ladspa->samplerate); @@ -521,15 +549,16 @@ gst_ladspa_get_property (GObject *object, guint prop_id, GValue *value, GParamSp break; } - if (cid<0) return; - // verify it exists and is a control (not a port) + if (cid < 0) return; + + /* 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; - //g_print("got arg %s as %f\n",control_info->name,ladspa->controls[cid]); + GST_DEBUG (0, "got arg %s as %f\n", control_info->name, ladspa->controls[cid]); - // now see what type it is + /* now see what type it is */ if (control_info->toggled) { if (ladspa->controls[cid] == 1.0) g_value_set_boolean (value, TRUE); @@ -552,27 +581,29 @@ gst_ladspa_instantiate (GstLADSPA *ladspa) desc = ladspa->descriptor; - // check for old handle + /* check for old handle */ was_activated = ladspa->activated; if (ladspa->handle != NULL){ gst_ladspa_deactivate(ladspa); desc->cleanup(ladspa->handle); } - // instantiate the plugin + /* instantiate the plugin */ + GST_DEBUG (0, "instantiating the plugin\n"); + 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 + /* walk through the ports and add all the arguments */ for (i=0;inumcontrols;i++) { - // connect the argument to the plugin - //g_print("added control port %d\n", oclass->control_portnums[i]); + /* connect the argument to the plugin */ + GST_DEBUG (0, "added control port %d\n", oclass->control_portnums[i]); desc->connect_port(ladspa->handle, oclass->control_portnums[i], &(ladspa->controls[i])); } - // reactivate if it was activated before the reinstantiation + /* reactivate if it was activated before the reinstantiation */ if (was_activated){ gst_ladspa_activate(ladspa); } @@ -584,10 +615,9 @@ gst_ladspa_change_state (GstElement *element) { LADSPA_Descriptor *desc; GstLADSPA *ladspa = (GstLADSPA*)element; -// GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT(ladspa)->klass); desc = ladspa->descriptor; - //g_print("changing state\n"); + GST_DEBUG (0, "changing state\n"); switch (GST_STATE_TRANSITION (element)) { case GST_STATE_NULL_TO_READY: gst_ladspa_activate(ladspa); @@ -615,13 +645,13 @@ gst_ladspa_activate(GstLADSPA *ladspa) gst_ladspa_deactivate(ladspa); } - //g_print("activating\n"); + GST_DEBUG (0, "activating\n"); - // activate the plugin (function might be null) - if (desc->activate != NULL){ + /* activate the plugin (function might be null) */ + if (desc->activate != NULL) { desc->activate(ladspa->handle); } - + ladspa->activated = TRUE; } @@ -631,45 +661,120 @@ gst_ladspa_deactivate(GstLADSPA *ladspa) LADSPA_Descriptor *desc; desc = ladspa->descriptor; - //g_print("deactivating\n"); + GST_DEBUG (0, "deactivating\n"); - // deactivate the plugin (function might be null) - if (ladspa->activated && desc->deactivate != NULL){ + /* deactivate the plugin (function might be null) */ + if (ladspa->activated && (desc->deactivate != NULL)) { desc->deactivate(ladspa->handle); } + ladspa->activated = FALSE; } static void gst_ladspa_loop (GstElement *element) { - int i; - GstLADSPA *ladspa = (GstLADSPA *)element; - GstLADSPAClass *oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (ladspa)); - LADSPA_Descriptor *desc; + 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; + + 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); + + /* 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); + } - desc = ladspa->descriptor; - printf("looping something\n"); + /* 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;inumsinkpads;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;inumsinkpads;i++){ - ladspa->buffers[i] = gst_pad_pull(ladspa->sinkpads[i]); - printf("pulling buffer %d\n", i); - } + 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;inumsrcpads;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); + + 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; + + /* 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; + + 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); + + /* now go through and reset the ladspa ports, pushing out the output buffers + at the same time. */ + for (i=0;inumsinkpads;i++) { + desc->connect_port (ladspa->handle, oclass->sinkpad_portnums[i], NULL); + } + for (i=0;inumsrcpads;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;inumsinkpads;i++) { -// desc->connect_port(ladspa->handle,i,&(ladspa->controls[i])); - } + ladspa->timestamp += ladspa->buffersize * ladspa->samplerate * 10^9; + } while (TRUE); - for (i=0;inumsrcpads && inumsinkpads;i++){ - printf("pushing buffer %d\n", i); - gst_pad_push (ladspa->srcpads[i], ladspa->buffers[i]); - ladspa->buffers[i] = NULL; - } + g_free (buffers_out); } static void -gst_ladspa_chain_inplace_mono (GstPad *pad,GstBuffer *buf) +gst_ladspa_chain_mono (GstPad *pad, GstBuffer *buf) { LADSPA_Descriptor *desc; LADSPA_Data *data; @@ -685,28 +790,32 @@ gst_ladspa_chain_inplace_mono (GstPad *pad,GstBuffer *buf) ladspa = (GstLADSPA *)gst_pad_get_parent (pad); g_return_if_fail(ladspa != NULL); - // this might happen if caps nego hasn't happened + /* this might happen if caps nego hasn't happened */ g_return_if_fail(ladspa->handle != NULL); - oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS (ladspa)); - data=(LADSPA_Data*)GST_BUFFER_DATA(buf); - num_samples = GST_BUFFER_SIZE(buf) / sizeof(gfloat); + 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; + desc = ladspa->descriptor; - desc->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],data); - desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data); + /* 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); - desc->run(ladspa->handle,num_samples); + 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->connect_port(ladspa->handle,oclass->sinkpad_portnums[0],NULL); + desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],NULL); + } - gst_pad_push (ladspa->srcpads[0], buf); + gst_pad_push (ladspa->srcpads[0], buf); } static GstBuffer * -gst_ladspa_get_mono(GstPad *pad) +gst_ladspa_get(GstPad *pad) { LADSPA_Descriptor *desc; LADSPA_Data *data; @@ -715,74 +824,60 @@ gst_ladspa_get_mono(GstPad *pad) 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 = (GstLADSPA *)gst_pad_get_parent (pad); g_return_val_if_fail(ladspa != NULL, NULL); - // this might happen if caps nego hasn't happened + /* 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)); - + + /* force all src pads to set their caps */ if (ladspa->newcaps) { - gst_ladspa_force_caps(ladspa, ladspa->srcpads[0]); + for (i=0;inumsrcpads;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 == NULL) { + ladspa->bufpool = gst_buffer_pool_get_default (sizeof (LADSPA_Data) * ladspa->buffersize, + ladspa->numbuffers); } - buf = gst_buffer_new(); + buf = (GstBuffer *) gst_buffer_new_from_pool (ladspa->bufpool, 0, 0); g_return_val_if_fail (buf, NULL); - data = g_new(LADSPA_Data, ladspa->buffersize); - GST_BUFFER_DATA(buf) = (gpointer) data; - GST_BUFFER_SIZE(buf) = sizeof(LADSPA_Data) * ladspa->buffersize; - GST_BUFFER_TIMESTAMP(buf) = ladspa->timestamp; - desc = ladspa->descriptor; - desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data); - desc->run(ladspa->handle,(unsigned long)ladspa->buffersize); - desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],NULL); - - return buf; -} + /* 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; -static GstBuffer * -gst_ladspa_get(GstPad *pad) -{ - LADSPA_Descriptor *desc; - LADSPA_Data *data; - - GstLADSPA *ladspa; - GstLADSPAClass *oclass; - GstBuffer *buf; + data = (LADSPA_Data *) GST_BUFFER_DATA(buf); + size = GST_BUFFER_SIZE(buf); + GST_BUFFER_TIMESTAMP(buf) = ladspa->timestamp; + ladspa->timestamp += size * ladspa->samplerate * 10^9; - g_return_val_if_fail(pad != NULL, NULL); - g_return_val_if_fail(GST_IS_PAD(pad), NULL); + desc = ladspa->descriptor; - ladspa = (GstLADSPA *)gst_pad_get_parent (pad); - g_return_val_if_fail(ladspa != NULL, NULL); + for (i=0;inumsrcpads;i++) + desc->connect_port(ladspa->handle,oclass->srcpad_portnums[i],data); - // this might happen if caps nego hasn't happened - g_return_val_if_fail(ladspa->handle != NULL, NULL); + desc->run(ladspa->handle, size); - oclass = (GstLADSPAClass*)(G_OBJECT_GET_CLASS(ladspa)); - - if (ladspa->newcaps) { - gst_ladspa_force_caps(ladspa, ladspa->srcpads[0]); - } - - buf = gst_buffer_new(); - g_return_val_if_fail (buf, NULL); - data = g_new(LADSPA_Data, ladspa->buffersize); - GST_BUFFER_DATA(buf) = (gpointer) data; - GST_BUFFER_SIZE(buf) = sizeof(LADSPA_Data) * ladspa->buffersize; - GST_BUFFER_TIMESTAMP(buf) = ladspa->timestamp; - ladspa->timestamp+= ladspa->buffersize * ladspa->samplerate * 10^9; + for (i=0;inumsrcpads;i++) + desc->connect_port(ladspa->handle,oclass->srcpad_portnums[i],NULL); - desc = ladspa->descriptor; - desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],data); - desc->run(ladspa->handle,(unsigned long)ladspa->buffersize); - desc->connect_port(ladspa->handle,oclass->srcpad_portnums[0],NULL); - return buf; } @@ -796,7 +891,8 @@ ladspa_describe_plugin(const char *pcFullFilename, GstElementDetails *details; GTypeInfo typeinfo = { - sizeof(GstLADSPAClass), NULL, + sizeof(GstLADSPAClass), + NULL, NULL, (GClassInitFunc)gst_ladspa_class_init, NULL, @@ -808,23 +904,23 @@ ladspa_describe_plugin(const char *pcFullFilename, GType type; GstElementFactory *factory; - // walk through all the plugins in this pluginlibrary + /* walk through all the plugins in this pluginlibrary */ i = 0; while ((desc = pfDescriptorFunction(i++))) { gchar *type_name; - // construct the type + /* 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 "-_+", '-'); - // if it's already registered, drop it + /* 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); + /* create the type now */ + type = g_type_register_static(GST_TYPE_ELEMENT, type_name, &typeinfo, 0); - // construct the element details struct + /* construct the element details struct */ details = g_new0(GstElementDetails,1); details->longname = g_strdup(desc->Name); details->klass = "Filter/LADSPA"; @@ -833,18 +929,18 @@ ladspa_describe_plugin(const char *pcFullFilename, details->author = g_strdup(desc->Maker); details->copyright = g_strdup(desc->Copyright); - // register the plugin with gstreamer + /* 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)); - // add this plugin to the hash + /* 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 + /* only add sink padtemplate if there are sinkpads */ for (j=0;jPortCount;j++) { if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[j]) && LADSPA_IS_PORT_INPUT(desc->PortDescriptors[j])) { @@ -863,7 +959,6 @@ ladspa_describe_plugin(const char *pcFullFilename, static gboolean plugin_init (GModule *module, GstPlugin *plugin) { - ladspa_descriptors = g_hash_table_new(NULL,NULL); parent_class = g_type_class_ref(GST_TYPE_ELEMENT); @@ -871,6 +966,11 @@ plugin_init (GModule *module, GstPlugin *plugin) LADSPAPluginSearch(ladspa_describe_plugin); + if (! gst_library_load ("gstbytestream")) { + gst_info ("gstladspa: could not load support library: 'gstbytestream'\n"); + return FALSE; + } + return TRUE; } diff --git a/ext/ladspa/gstladspa.h b/ext/ladspa/gstladspa.h index 80a7b458..2273aa5a 100644 --- a/ext/ladspa/gstladspa.h +++ b/ext/ladspa/gstladspa.h @@ -26,6 +26,7 @@ #include #include +#include #include "ladspa.h" @@ -34,19 +35,6 @@ extern "C" { #endif /* __cplusplus */ -/* -#define GST_TYPE_LADSPA \ - (gst_ladspa_get_type()) -#define GST_LADSPA(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LADSPA,GstLADSPA)) -#define GST_LADSPA_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LADSPA,GstLADSPA)) -#define GST_IS_LADSPA(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LADSPA)) -#define GST_IS_LADSPA_CLASS(obj) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LADSPA)) -*/ - typedef struct _ladspa_control_info { gchar *name; gfloat lowerbound, upperbound; @@ -67,12 +55,14 @@ struct _GstLADSPA { GstPad **sinkpads, **srcpads; + + GstByteStream **bytestreams; - GstBuffer **buffers; + GstBufferPool *bufpool; gboolean loopbased, newcaps, activated; - gint samplerate, buffersize; + gint samplerate, buffersize, numbuffers; gulong timestamp; }; -- cgit v1.2.1