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/* FreeJ
* (c) Copyright 2009 Andrea Guzzo <xant@dyne.org>
*
* This source code is free software; you can redistribute it and/or
* modify it under the terms of the GNU Public License as published
* by the Free Software Foundation; either version 3 of the License,
* or (at your option) any later version.
*
* This source code 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.
* Please refer to the GNU Public License for more details.
*
* You should have received a copy of the GNU Public License along with
* this source code; if not, write to:
* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <CVF0rLayer.h>
#import <CVF0rLayerView.h>
#include <frei0r_freej.h>
#include <freeframe_freej.h>
#include <jutils.h>
static void set_freeframe_layer_parameter(Layer *lay, Parameter *param, int idx) { }
static void get_freeframe_layer_parameter(Layer *lay, Parameter *param, int idx) { }
static void get_frei0r_layer_parameter(Layer *lay, Parameter *param, int idx) { }
static void set_frei0r_layer_parameter(Layer *lay, Parameter *param, int idx) {
CVF0rLayer *layer = (CVF0rLayer*)lay;
Freior *f = layer->generator->proto->freior;
bool *val = (bool*)param->value;
switch(f->param_infos[idx-1].type) {
// idx-1 because frei0r's index starts from 0
case F0R_PARAM_BOOL:
(*f->f0r_set_param_value)
(layer->generator->core, new f0r_param_bool(val[0]), idx-1);
break;
case F0R_PARAM_DOUBLE:
(*f->f0r_set_param_value)(layer->generator->core, new f0r_param_double(val[0]), idx-1);
break;
case F0R_PARAM_COLOR:
{ f0r_param_color *color = new f0r_param_color;
color->r = val[0];
color->g = val[1];
color->b = val[2];
(*f->f0r_set_param_value)(layer->generator->core, color, idx-1);
// QUAAA: should we delete the new allocated object? -jrml
} break;
case F0R_PARAM_POSITION:
{ f0r_param_position *position = new f0r_param_position;
position->x = val[0];
position->y = val[1];
(*f->f0r_set_param_value)(layer->generator->core, position, idx-1);
// QUAAA: should we delete the new allocated object? -jrml
} break;
default:
error("Unrecognized parameter type %u for set_parameter_value",
f->param_infos[idx].type);
}
}
CVF0rLayer::CVF0rLayer(CVLayerController *controller, Context *_freej)
: CVLayer()
{
input = controller;
freej = _freej;
generator = NULL;
type = Layer::GL_COCOA;
set_name([input name]);
currentFrame = NULL;
pixelBuffer = NULL;
[input setLayer:this];
}
CVF0rLayer::~CVF0rLayer()
{
close();
if (pixelBuffer)
CVPixelBufferRelease(pixelBuffer);
if (currentFrame)
free(currentFrame);
}
void *
CVF0rLayer::feed()
{
void *res;
if (generator)
res = generator->process(fps.get(), NULL);
// TODO - handle geometry changes
if (!currentFrame)
currentFrame = malloc(geo.bytesize);
memcpy(currentFrame, res, geo.bytesize);
if (pixelBuffer)
CVPixelBufferRelease(pixelBuffer);
CVReturn err = CVPixelBufferCreateWithBytes (
NULL,
geo.w,
geo.h,
k32ARGBPixelFormat,
currentFrame,
geo.w*4,
NULL,
NULL,
NULL,
&pixelBuffer
);
if (err == kCVReturnSuccess)
[(CVF0rLayerController *)input feedFrame:pixelBuffer];
return currentFrame;
}
bool CVF0rLayer::open(const char *file) {
int idx;
Filter *proto;
proto = (Filter*) generators->search(file, &idx);
if(!proto) {
error("generator not found: %s", file);
return(false);
}
close();
generator = new FilterInstance((Filter*)proto);
#ifdef WITH_FREI0R
if(proto->freior) {
generator->core = (void*)(*proto->freior->f0r_construct)(geo.w, geo.h);
if(!generator->core) {
error("freior constructor returned NULL instantiating generator %s",file);
delete generator;
generator = NULL;
return false;
}
parameters = &proto->parameters;
Parameter *p = (Parameter*)parameters->begin();
while(p) {
p->layer_set_f = set_frei0r_layer_parameter;
p->layer_get_f = get_frei0r_layer_parameter;
p = (Parameter*)p->next;
}
}
#endif
if(proto->freeframe) {
VideoInfoStruct vidinfo;
vidinfo.frameWidth = geo.w;
vidinfo.frameHeight = geo.h;
vidinfo.orientation = 1;
vidinfo.bitDepth = FF_CAP_32BITVIDEO;
generator->intcore = proto->freeframe->main(FF_INSTANTIATE, &vidinfo, 0).ivalue;
if(generator->intcore == FF_FAIL) {
error("Freeframe generator %s cannot be instantiated", name);
delete generator;
generator = NULL;
return false;
}
// todo: parameters in freeframe
parameters = &proto->parameters;
Parameter *p = (Parameter*)parameters->begin();
while(p) {
p->layer_set_f = set_freeframe_layer_parameter;
p->layer_get_f = get_freeframe_layer_parameter;
p = (Parameter*)p->next;
}
}
generator->outframe = (uint32_t*) calloc(geo.bytesize, 1);
set_filename(file);
opened = true;
return true;
}
void CVF0rLayer::close() {
if(generator) {
delete generator;
generator = NULL;
}
opened = false;
}
bool CVF0rLayer::_init() {
return(true);
}
void CVF0rLayer::register_generators(Linklist<Filter> *gens) {
generators = gens;
act("%u registered generators found", gens->len());
}
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