From 9b8745d5250c9d0b60c9aa5a77f58a3fcddf1076 Mon Sep 17 00:00:00 2001 From: Tom Schouten Date: Tue, 21 Jan 2003 10:27:33 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r352, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/pdp/; revision=353 --- modules/pdp_mix.c | 279 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 279 insertions(+) create mode 100644 modules/pdp_mix.c (limited to 'modules/pdp_mix.c') diff --git a/modules/pdp_mix.c b/modules/pdp_mix.c new file mode 100644 index 0000000..9602c4b --- /dev/null +++ b/modules/pdp_mix.c @@ -0,0 +1,279 @@ +/* + * Pure Data Packet module. + * Copyright (c) by Tom Schouten + * + * 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 "pdp.h" + + +typedef struct pdp_mix_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + t_outlet *x_outlet1; + + int x_packet0; // hot packet + int x_packet1; // cold packet + int x_packet1next; // next cold packet + int x_dropped; + + int x_queue_id; // identifier of method in the processing queue + + void *x_mixer; + + int x_extrapolate; + +} t_pdp_mix; + + + +static void pdp_mix_process_yv12(t_pdp_mix *x) +{ + t_pdp *header0 = pdp_packet_header(x->x_packet0); + t_pdp *header1 = pdp_packet_header(x->x_packet1); + void *data0 = pdp_packet_data (x->x_packet0); + void *data1 = pdp_packet_data (x->x_packet1); + + unsigned int w = header0->info.image.width; + unsigned int h = header0->info.image.height; + + + h = h + (h>>1); + pdp_imageproc_mix_process(x->x_mixer,(short int*)data0, (short int*)data1, w, h); + + return; + + + +} + +static void pdp_mix_process_grey(t_pdp_mix *x) +{ + t_pdp *header0 = pdp_packet_header(x->x_packet0); + t_pdp *header1 = pdp_packet_header(x->x_packet1); + void *data0 = pdp_packet_data (x->x_packet0); + void *data1 = pdp_packet_data (x->x_packet1); + + unsigned int w = header0->info.image.width; + unsigned int h = header0->info.image.height; + + pdp_imageproc_mix_process(x->x_mixer,(short int*)data0, (short int*)data1, w, h); + + return; + + + +} + +static void pdp_mix_process(t_pdp_mix *x) +{ + int encoding; + + /* check if image data packets are compatible */ + if (pdp_type_compat_image(x->x_packet0, x->x_packet1)){ + + /* dispatch to process thread */ + switch(pdp_packet_header(x->x_packet0)->info.image.encoding){ + + case PDP_IMAGE_YV12: + pdp_mix_process_yv12(x); + break; + + case PDP_IMAGE_GREY: + pdp_mix_process_grey(x); + break; + + default: + break; + /* don't know the type, so dont pdp_mix_process */ + + } + } + +} + +static void pdp_mix_sendpacket(t_pdp_mix *x) +{ + /* unregister and propagate if valid packet */ + pdp_pass_if_valid(x->x_outlet0, &x->x_packet0); +} + +static void pdp_mix_input_0(t_pdp_mix *x, t_symbol *s, t_floatarg f) +{ + + int p = (int)f; + + if (s== gensym("register_rw")) x->x_dropped = pdp_packet_copy_rw_or_drop(&x->x_packet0, p); + + + if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)){ + + /* if a cold packet was received in the meantime + swap it in, else keep the old one */ + + pdp_replace_if_valid(&x->x_packet1, &x->x_packet1next); + + + /* add the process method and callback to the process queue */ + + pdp_queue_add(x, pdp_mix_process, pdp_mix_sendpacket, &x->x_queue_id); + } + +} + +static void pdp_mix_input_1(t_pdp_mix *x, t_symbol *s, t_floatarg f) +{ + /* store the packet and drop + the old one, if there is any */ + + if(s == gensym("register_ro")) pdp_packet_copy_ro_or_drop(&x->x_packet1next, (int)f); + +} + + + +static void pdp_mix_mix(t_pdp_mix *x, t_floatarg f) +{ + float f2; + if (!x->x_extrapolate){ + if (f < 0.0f) f = 0.0f; + if (f > 1.0f) f = 1.0f; + } + + f2 = (1.0f - f); + pdp_imageproc_mix_setleftgain(x->x_mixer, f2); + pdp_imageproc_mix_setrightgain(x->x_mixer, f); + +} + +static void pdp_mix_mix1(t_pdp_mix *x, t_floatarg f) +{ + pdp_imageproc_mix_setleftgain(x->x_mixer, f); + +} +static void pdp_mix_mix2(t_pdp_mix *x, t_floatarg f2) +{ + pdp_imageproc_mix_setrightgain(x->x_mixer, f2); +} + +static void pdp_mix_extrapolate(t_pdp_mix *x, t_floatarg f) +{ + if (f == 0.0f) x->x_extrapolate = 0; + if (f == 1.0f) x->x_extrapolate = 1; +} + + +static void pdp_mix_free(t_pdp_mix *x) +{ + /* remove the method from the queue before deleting stuff */ + pdp_queue_finish(x->x_queue_id); + + pdp_packet_mark_unused(x->x_packet0); + pdp_packet_mark_unused(x->x_packet1); + pdp_packet_mark_unused(x->x_packet1next); + + pdp_imageproc_mix_delete(x->x_mixer); +} + +t_class *pdp_mix_class; +t_class *pdp_mix2_class; + + +void *pdp_mix_common_init(t_pdp_mix *x) +{ + int i; + + inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pdp"), gensym("pdp1")); + + x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); + x->x_packet0 = -1; + x->x_packet1 = -1; + x->x_packet1next = -1; + x->x_queue_id = -1; + x->x_extrapolate = 0; + + + x->x_mixer = pdp_imageproc_mix_new(); + pdp_mix_mix(x, 0.0f); + + + return (void *)x; +} + + +void *pdp_mix_new(t_floatarg mix) +{ + t_pdp_mix *x = (t_pdp_mix *)pd_new(pdp_mix_class); + pdp_mix_common_init(x); + + inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("mix")); + if (mix == 0.0f) mix = 0.5f; + pdp_mix_mix(x, mix); + return (void *)x; +} + +void *pdp_mix2_new(t_floatarg mix1, t_floatarg mix2) +{ + t_pdp_mix *x = (t_pdp_mix *)pd_new(pdp_mix2_class); + pdp_mix_common_init(x); + + inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("mix1")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("mix2")); + if ((mix1 == 0.0f) && (mix2 == 0.0f)) mix1 = mix2 = 0.5f; + pdp_mix_mix1(x, mix1); + pdp_mix_mix2(x, mix2); + return (void *)x; +} + +#ifdef __cplusplus +extern "C" +{ +#endif + + + +void pdp_mix_setup(void) +{ + + + pdp_mix_class = class_new(gensym("pdp_mix"), (t_newmethod)pdp_mix_new, + (t_method)pdp_mix_free, sizeof(t_pdp_mix), 0, A_DEFFLOAT, A_NULL); + + class_addmethod(pdp_mix_class, (t_method)pdp_mix_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_mix_class, (t_method)pdp_mix_input_1, gensym("pdp1"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_mix_class, (t_method)pdp_mix_mix, gensym("mix"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_mix_class, (t_method)pdp_mix_extrapolate, gensym("extrapolate"), A_DEFFLOAT, A_NULL); + + pdp_mix2_class = class_new(gensym("pdp_mix2"), (t_newmethod)pdp_mix2_new, + (t_method)pdp_mix_free, sizeof(t_pdp_mix), 0, A_DEFFLOAT, A_DEFFLOAT, A_NULL); + + class_addmethod(pdp_mix2_class, (t_method)pdp_mix_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_mix2_class, (t_method)pdp_mix_input_1, gensym("pdp1"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_mix2_class, (t_method)pdp_mix_mix1, gensym("mix1"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_mix2_class, (t_method)pdp_mix_mix2, gensym("mix2"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_mix2_class, (t_method)pdp_mix_extrapolate, gensym("extrapolate"), A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1