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Diffstat (limited to 'pdp_freeframe/pdp_freeframe.c')
-rw-r--r--pdp_freeframe/pdp_freeframe.c461
1 files changed, 461 insertions, 0 deletions
diff --git a/pdp_freeframe/pdp_freeframe.c b/pdp_freeframe/pdp_freeframe.c
new file mode 100644
index 0000000..7eaf1cc
--- /dev/null
+++ b/pdp_freeframe/pdp_freeframe.c
@@ -0,0 +1,461 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <limits.h>
+#include <dlfcn.h>
+
+#include "pdp.h"
+#include "FreeFrame.h"
+
+#define PLUGINDIR "plugins"
+#define FREEFRAME_PNAME_LENGTH 16
+#define FREEFRAME_ID_LENGTH 4
+#define FREEFRAME_PARAM_DETAILS_LENGTH 128
+
+#define FF_CAP_V_BITS_VIDEO FF_CAP_24BITVIDEO
+
+typedef struct
+{
+ char name[FREEFRAME_PNAME_LENGTH+1];
+ plugMainType *plugmain;
+ unsigned instance;
+ unsigned numparameters;
+} PLUGIN;
+
+typedef struct pdp_freeframe_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+ t_outlet *x_pname;
+ t_outlet *x_nparams;
+ t_outlet *x_parname;
+ t_outlet *x_partype;
+ t_outlet *x_pardefault;
+ int x_packet0;
+ int x_packet1;
+ int x_dropped;
+ int x_queue_id;
+
+ int x_width;
+ int x_height;
+ int x_size;
+
+ int x_plugin_count;
+ struct dirent **x_filename_list;
+ int x_filename_count;
+
+ int x_plugin;
+ int x_infosok;
+ char x_pdetails[FREEFRAME_PARAM_DETAILS_LENGTH];
+
+ PLUGIN *plugins;
+
+} t_pdp_freeframe;
+
+
+void panic(const char *panicstr, ...)
+{
+ post("pdp_freeframe :: PANIC!! %s\n", panicstr);
+ exit(1);
+}
+
+static int selector(const struct dirent *dp)
+{
+ return (strstr(dp->d_name, ".so") != NULL);
+}
+
+static void scan_plugins(t_pdp_freeframe *x, char *plugindir)
+{
+ x->x_filename_count = scandir(plugindir, &x->x_filename_list, selector, alphasort);
+ if (x->x_filename_count < 0)
+ x->x_filename_count = 0;
+}
+
+void ff_loadplugins(t_pdp_freeframe *x, char *plugindir)
+{
+ char libname[PATH_MAX];
+ plugMainType *plugmain;
+ unsigned instance, numparameters;
+ int i;
+ char *pluginname;
+ void *plugin_handle;
+
+ scan_plugins(x, plugindir);
+
+ x->x_plugin_count = 0;
+ x->plugins = (PLUGIN *)getbytes(x->x_filename_count*sizeof(PLUGIN));
+ if (x->plugins == NULL)
+ {
+ panic("no memory for loading plugins\n");
+ }
+ else
+ {
+ post( "allocated plugins : %x", x->plugins );
+ }
+
+ for (i=0; i<x->x_filename_count; i++)
+ {
+ pluginname = x->x_filename_list[i]->d_name;
+
+ snprintf(libname, PATH_MAX, "%s/%s", plugindir, pluginname);
+
+ plugin_handle = dlopen(libname, RTLD_NOW);
+ dlerror();
+ plugmain = (plugMainType *)(unsigned)dlsym(plugin_handle, "plugMain");
+ if (plugmain == NULL)
+ panic("plugin %s: %s", x->x_filename_list[i]->d_name, dlerror());
+
+ PlugInfoStruct *pis = (plugmain(FF_GETINFO, NULL, 0)).PISvalue;
+
+ if ((plugmain(FF_GETPLUGINCAPS, (LPVOID)FF_CAP_V_BITS_VIDEO, 0)).ivalue != FF_TRUE)
+ panic("plugin %s: no 24 bit support", pluginname);
+
+ if (pis->APIMajorVersion < 1)
+ panic("plugin %s: old api version", pluginname);
+
+ if ((plugmain(FF_INITIALISE, NULL, 0)).ivalue == FF_FAIL)
+ panic("plugin %s: init failed", pluginname);
+
+ VideoInfoStruct vidinfo;
+ vidinfo.frameWidth = x->x_width;
+ vidinfo.frameHeight = x->x_height;
+ vidinfo.orientation = 1;
+ vidinfo.bitDepth = FF_CAP_V_BITS_VIDEO;
+
+ instance = plugmain(FF_INSTANTIATE, &vidinfo, 0).ivalue;
+ if (instance == FF_FAIL)
+ panic("plugin %s: init failed", pluginname);
+
+ numparameters = plugmain(FF_GETNUMPARAMETERS, NULL, 0).ivalue;
+ if (numparameters == FF_FAIL)
+ panic("plugin %s: numparameters failed", pluginname);
+
+ x->plugins[x->x_plugin_count].plugmain = plugmain;
+
+ strncpy(x->plugins[x->x_plugin_count].name, (char *)(pis->pluginName), 16);
+ x->plugins[x->x_plugin_count].name[16] = 0;
+
+ x->plugins[x->x_plugin_count].instance = instance;
+ x->plugins[x->x_plugin_count].numparameters = numparameters;
+
+ post("%s [%s] is loaded", x->plugins[x->x_plugin_count].name, pluginname);
+ x->x_plugin_count++;
+ }
+}
+
+void ff_processframe(t_pdp_freeframe *x, int plugin, void *buffer)
+{
+ x->plugins[plugin].plugmain(FF_PROCESSFRAME, buffer, x->plugins[plugin].instance);
+}
+
+void ff_freeplugins(t_pdp_freeframe *x)
+{
+ t_int i;
+
+ for (i=0; i<x->x_plugin_count; i++)
+ {
+ plugMainType *plugmain = x->plugins[i].plugmain;
+
+ plugmain(FF_DEINITIALISE, NULL, 0);
+ plugmain(FF_DEINSTANTIATE, NULL, x->plugins[i].instance);
+ }
+ post("freeing plugin resources : %x", x->plugins);
+ freebytes( x->plugins, x->x_filename_count*sizeof(PLUGIN) );
+ x->plugins = NULL;
+}
+
+static void pdp_freeframe_process_rgb(t_pdp_freeframe *x)
+{
+ t_pdp *header = pdp_packet_header(x->x_packet0);
+ short int *data = (short int *)pdp_packet_data(x->x_packet0);
+ t_pdp *newheader = pdp_packet_header(x->x_packet1);
+ short int *newdata = (short int *)pdp_packet_data(x->x_packet1);
+
+ if ( x->x_plugin_count <= 0 )
+ {
+ return;
+ }
+
+ if ((x->x_width != (t_int)header->info.image.width) ||
+ (x->x_height != (t_int)header->info.image.height))
+ {
+
+ post("pdp_freeframe :: resizing plugins");
+
+ ff_freeplugins(x);
+
+ x->x_width = header->info.image.width;
+ x->x_height = header->info.image.height;
+ x->x_size = x->x_width*x->x_height;
+
+ //load the plugins
+ ff_loadplugins(x, FF_PLUGIN_DIR);
+ }
+
+ newheader->info.image.encoding = header->info.image.encoding;
+ newheader->info.image.width = x->x_width;
+ newheader->info.image.height = x->x_height;
+
+ memcpy( newdata, data, x->x_size*3 );
+
+ ff_processframe(x, x->x_plugin, newdata);
+
+ return;
+}
+
+static void pdp_freeframe_param(t_pdp_freeframe *x, t_floatarg f1, t_floatarg f2)
+{
+ int i=0;
+ plugMainType *plugmain = x->plugins[x->x_plugin].plugmain;
+ unsigned instance = x->plugins[x->x_plugin].instance;
+ unsigned numparameters = x->plugins[x->x_plugin].numparameters;
+
+ SetParameterStruct sps;
+
+ //for (i=0; i<numparameters; i++)
+ //{
+ //if (plugmain(FF_GETPARAMETERTYPE, (LPVOID)i, 0).ivalue == FF_TYPE_TEXT)
+ // continue;
+
+ //sps.value = plugmain(FF_GETPARAMETER, (LPVOID)i, instance).fvalue;
+
+ //post ("%d param.value %d", i, sps.value);
+
+ //if((f2<=1)&&(f2>=0))
+ sps.value = f2;
+ //sps.value += .01;
+ //if (sps.value > 1.0) sps.value = 1.0;
+ //else
+ //if (sps.value < 0.0) sps.value = 0.0;
+
+ sps.index = f1;
+ plugmain(FF_SETPARAMETER, &sps, instance);
+ //}
+}
+
+static void pdp_freeframe_plugin(t_pdp_freeframe *x, t_floatarg f)
+{
+ unsigned pi;
+ char *parname;
+ int partype;
+ float pardefault;
+ t_atom plist[2];
+ t_atom tlist[2];
+ t_atom vlist[2];
+
+ if ( x->x_plugin_count <= 0 )
+ {
+ post( "freeframe : no plugins loaded, check your plugin directory setup" );
+ return;
+ }
+ if((f<x->x_plugin_count)&&(f>-1))
+ {
+ x->x_plugin = f;
+ }
+ else
+ {
+ post( "freeframe : plugin out of range : %d", (t_int)f );
+ return;
+ }
+ post ("pdp_freeframe :: %s selected, %d parameters", x->plugins[x->x_plugin].name, x->plugins[x->x_plugin].numparameters);
+ outlet_symbol(x->x_pname, gensym( x->plugins[x->x_plugin].name ) );
+ outlet_float(x->x_nparams, (float)x->plugins[x->x_plugin].numparameters);
+ for ( pi=0; pi<x->plugins[x->x_plugin].numparameters; pi++ )
+ {
+ parname = (x->plugins[x->x_plugin].plugmain(FF_GETPARAMETERNAME, (LPVOID)pi, 0)).svalue;
+ SETFLOAT(&plist[0], pi);
+ SETSYMBOL(&plist[1], gensym(parname) );
+ outlet_list( x->x_parname, &s_list, 2, &plist[0] );
+ }
+ for ( pi=0; pi<x->plugins[x->x_plugin].numparameters; pi++ )
+ {
+ partype = (x->plugins[x->x_plugin].plugmain(FF_GETPARAMETERTYPE, (LPVOID)pi, 0)).ivalue;
+ SETFLOAT(&tlist[0], pi);
+ SETFLOAT(&tlist[1], partype );
+ outlet_list( x->x_partype, &s_list, 2, &tlist[0] );
+ if ( ( partype != FF_TYPE_TEXT ) && ( partype > 0 ) )
+ {
+ pardefault = (x->plugins[x->x_plugin].plugmain(FF_GETPARAMETERDEFAULT, (LPVOID)pi, 0)).fvalue;
+ SETFLOAT(&vlist[0], pi);
+ SETFLOAT(&vlist[1], pardefault );
+ outlet_list( x->x_pardefault, &s_list, 2, &vlist[0] );
+ }
+ }
+}
+
+static void pdp_freeframe_sendpacket(t_pdp_freeframe *x)
+{
+ /* release the packet */
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = -1;
+
+ /* unregister and propagate if valid dest packet */
+ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1);
+}
+
+static void pdp_freeframe_process(t_pdp_freeframe *x)
+{
+ int encoding;
+ t_pdp *header = 0;
+ char *parname;
+ unsigned pi;
+ int partype;
+ float pardefault;
+ t_atom plist[2];
+ t_atom tlist[2];
+ t_atom vlist[2];
+
+ /* check if image data packets are compatible */
+ if ( (header = pdp_packet_header(x->x_packet0))
+ && (PDP_BITMAP == header->type)){
+
+ /* pdp_freeframe_process inputs and write into active inlet */
+ switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
+
+ case PDP_BITMAP_RGB:
+ x->x_packet1 = pdp_packet_clone_rw(x->x_packet0);
+ pdp_queue_add(x, pdp_freeframe_process_rgb, pdp_freeframe_sendpacket, &x->x_queue_id);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_freeframe_process */
+ break;
+
+ }
+ }
+
+ // hack to display infos of first loaded plugin
+ if ( (x->x_plugin_count > 0) && (!x->x_infosok) )
+ {
+ x->x_infosok = 1;
+ outlet_symbol(x->x_pname, gensym( x->plugins[x->x_plugin].name ) );
+ outlet_float(x->x_nparams, (float)x->plugins[x->x_plugin].numparameters);
+ for ( pi=0; pi<x->plugins[x->x_plugin].numparameters; pi++ )
+ {
+ parname = (x->plugins[x->x_plugin].plugmain(FF_GETPARAMETERNAME, (LPVOID)pi, 0)).svalue;
+ SETFLOAT(&plist[0], pi);
+ SETSYMBOL(&plist[1], gensym(parname) );
+ outlet_list( x->x_parname, &s_list, 2, &plist[0] );
+ }
+ for ( pi=0; pi<x->plugins[x->x_plugin].numparameters; pi++ )
+ {
+ partype = (x->plugins[x->x_plugin].plugmain(FF_GETPARAMETERTYPE, (LPVOID)pi, 0)).ivalue;
+ SETFLOAT(&tlist[0], pi);
+ SETFLOAT(&tlist[1], partype );
+ outlet_list( x->x_partype, &s_list, 2, &tlist[0] );
+ if ( ( partype != FF_TYPE_TEXT ) && ( partype > 0 ) )
+ {
+ pardefault = (x->plugins[x->x_plugin].plugmain(FF_GETPARAMETERDEFAULT, (LPVOID)pi, 0)).fvalue;
+ SETFLOAT(&vlist[0], pi);
+ SETFLOAT(&vlist[1], pardefault );
+ outlet_list( x->x_pardefault, &s_list, 2, &vlist[0] );
+ }
+ }
+ }
+}
+
+static void pdp_freeframe_input_0(t_pdp_freeframe *x, t_symbol *s, t_floatarg f)
+{
+ /* if this is a register_ro message or register_rw message, register with packet factory */
+
+ if (s == gensym("register_rw"))
+ x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet0, (int)f, pdp_gensym("bitmap/rgb/*") );
+
+ if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped))
+ {
+ /* add the process method and callback to the process queue */
+ pdp_freeframe_process(x);
+ }
+}
+
+static void pdp_freeframe_free(t_pdp_freeframe *x)
+{
+ int i;
+
+ pdp_queue_finish(x->x_queue_id);
+ pdp_packet_mark_unused(x->x_packet0);
+ ff_freeplugins(x);
+}
+
+t_class *pdp_freeframe_class;
+
+
+void *pdp_freeframe_new(t_floatarg f)
+{
+ int i;
+
+ t_pdp_freeframe *x = (t_pdp_freeframe *)pd_new(pdp_freeframe_class);
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("plugin"));
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_pname = outlet_new(&x->x_obj, &s_anything);
+ x->x_nparams = outlet_new(&x->x_obj, &s_anything);
+ x->x_parname = outlet_new(&x->x_obj, &s_anything);
+ x->x_partype = outlet_new(&x->x_obj, &s_anything);
+ x->x_pardefault = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_packet0 = -1;
+ x->x_packet1 = -1;
+ x->x_queue_id = -1;
+
+ x->x_width = 320;
+ x->x_height = 240;
+ x->x_size = x->x_width * x->x_height;
+
+ //load the plugins
+ x->x_plugin_count = 0;
+ x->x_infosok = 0;
+ ff_loadplugins(x, FF_PLUGIN_DIR);
+
+ pdp_freeframe_plugin(x, f);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_freeframe_setup(void)
+{
+
+ post( "pdp_freeframe :: FreeFrame host for Pure Data Packet version 0.3\n by Lluis Gomez i Bigorda (lluis@artefacte.org) \n & Yves Degoyon (ydegoyon@free.fr)\n using GPL code from http://freeframe.sf.net\n and Pete Warden http://petewarden.com" );
+ pdp_freeframe_class = class_new(gensym("pdp_freeframe"), (t_newmethod)pdp_freeframe_new,
+ (t_method)pdp_freeframe_free, sizeof(t_pdp_freeframe), 0, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_freeframe_class, (t_method)pdp_freeframe_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_freeframe_class, (t_method)pdp_freeframe_plugin, gensym("plugin"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_freeframe_class, (t_method)pdp_freeframe_param, gensym("param"), A_FLOAT, A_FLOAT, A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
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