From 213978fa8a868661dda88e6b4e7cacec1c90677a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pablo=20Mart=C3=ADn?= Date: Sun, 7 Sep 2003 21:45:05 +0000 Subject: Updating pdp to current version 0.12.2 svn path=/trunk/externals/pdp/; revision=941 --- modules/image_basic/pdp_mix.c | 165 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 165 insertions(+) create mode 100644 modules/image_basic/pdp_mix.c (limited to 'modules/image_basic/pdp_mix.c') diff --git a/modules/image_basic/pdp_mix.c b/modules/image_basic/pdp_mix.c new file mode 100644 index 0000000..2d01d38 --- /dev/null +++ b/modules/image_basic/pdp_mix.c @@ -0,0 +1,165 @@ +/* + * 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" +#include "pdp_imagebase.h" + +typedef struct pdp_mix_struct +{ + t_pdp_imagebase x_base; + + t_outlet *x_outlet0; + t_outlet *x_outlet1; + + void *x_mixer; + + int x_extrapolate; + +} t_pdp_mix; + + +static void pdp_mix_process(t_pdp_mix *x) +{ + int p0 = pdp_base_get_packet(x, 0); + int p1 = pdp_base_get_packet(x, 1); + u32 mask = pdp_imagebase_get_chanmask(x); + pdp_imageproc_dispatch_2buf(&pdp_imageproc_mix_process, x->x_mixer, mask, p0, p1); +} + + +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) +{ + pdp_imagebase_free(x); + 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; + + pdp_imagebase_init(x); + pdp_base_add_pdp_inlet(x); + pdp_base_add_pdp_outlet(x); + pdp_base_set_process_method(x, (t_pdp_method)pdp_mix_process); + + 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); + pdp_base_add_gen_inlet(x, 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); + + pdp_base_add_gen_inlet(x, gensym("float"), gensym("mix1")); + pdp_base_add_gen_inlet(x, 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); + + pdp_imagebase_setup(pdp_mix_class); + 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); + + pdp_imagebase_setup(pdp_mix2_class); + 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