From 89195d04ec85c7f34341508a3e2b094a8d897b93 Mon Sep 17 00:00:00 2001 From: "N.N." Date: Thu, 23 Oct 2003 17:12:27 +0000 Subject: New in PiDiP 0.12.10 svn path=/trunk/externals/pidip/; revision=1125 --- modules/pdp_fqt.c | 283 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 283 insertions(+) create mode 100644 modules/pdp_fqt.c (limited to 'modules/pdp_fqt.c') diff --git a/modules/pdp_fqt.c b/modules/pdp_fqt.c new file mode 100644 index 0000000..c534849 --- /dev/null +++ b/modules/pdp_fqt.c @@ -0,0 +1,283 @@ +/* + * Pure Data Packet module. + * Copyright (c) by Yves Degoyon + * + * 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_llconv.h" +#include +#include + +typedef struct pdp_fqt_data +{ + short int gain[4]; +} t_pdp_fqt_data; + +typedef struct pdp_fqt_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + t_outlet *x_outlet1; + t_outlet *x_outlet2; + + int packet0; + bool initialized; + + unsigned int x_vwidth; + unsigned int x_vheight; + + bool loop; + + unsigned char * qt_rows[3]; + + unsigned char * qt_frame; + quicktime_t *qt; + int qt_cmodel; + + t_pdp_fqt_data *state_data; + +} t_pdp_fqt; + + + +static void pdp_fqt_close(t_pdp_fqt *x) +{ + if (x->initialized){ + quicktime_close(x->qt); + free(x->qt_frame); + x->initialized = false; + } + +} + +static void pdp_fqt_open(t_pdp_fqt *x, t_symbol *name) +{ + unsigned int size; + + post("pdp_fqt: opening %s", name->s_name); + + pdp_fqt_close(x); + + x->qt = quicktime_open(name->s_name, 1, 0); + + if (!(x->qt)){ + post("pdp_fqt: error opening qt file"); + x->initialized = false; + return; + } + + if (!quicktime_has_video(x->qt)) { + post("pdp_fqt: no video stream"); + quicktime_close(x->qt); + x->initialized = false; + return; + + } + else if (!quicktime_supported_video(x->qt,0)) { + post("pdp_fqt: unsupported video codec\n"); + quicktime_close(x->qt); + x->initialized = false; + return; + } + else + { + x->qt_cmodel = BC_YUV420P; + x->x_vwidth = quicktime_video_width(x->qt,0); + x->x_vheight = quicktime_video_height(x->qt,0); + x->qt_frame = (unsigned char*)malloc(x->x_vwidth*x->x_vheight*4); + size = x->x_vwidth * x->x_vheight; + x->qt_rows[0] = &x->qt_frame[0]; + x->qt_rows[2] = &x->qt_frame[size]; + x->qt_rows[1] = &x->qt_frame[size + (size>>2)]; + + quicktime_set_cmodel(x->qt, x->qt_cmodel); + x->initialized = true; + outlet_float(x->x_outlet2, (float)quicktime_video_length(x->qt,0)); + + } +} + + +static void pdp_fqt_bang(t_pdp_fqt *x) +{ + unsigned int w, h, nbpixels, packet_size; + int object, length, pos, i, j; + short int* data; + t_pdp* header; + + static short int gain[4] = {0x7fff, 0x7fff, 0x7fff, 0x7fff}; + + if (!(x->initialized)){ + //post("pdp_fqt: no qt file opened"); + return; + } + + w = x->x_vwidth; + h = x->x_vheight; + nbpixels = w * h; + packet_size = (nbpixels + (nbpixels >> 1)) << 1; + + object = pdp_packet_new_image_YCrCb( x->x_vwidth, x->x_vheight ); + header = pdp_packet_header(object); + data = (short int *) pdp_packet_data(object); + + header->info.image.encoding = PDP_IMAGE_YV12; + header->info.image.width = w; + header->info.image.height = h; + + length = quicktime_video_length(x->qt,0); + pos = quicktime_video_position(x->qt,0); + // post("pdp_fqt : video position : %d length =%d", pos, length ); + + if (pos >= length){ + pos = (x->loop) ? 0 : length - 1; + // post("pdp_fqt : setting video position to %d", pos); + quicktime_set_video_position(x->qt, pos, 0); + } + + lqt_decode_video(x->qt, x->qt_rows, 0); + + switch(x->qt_cmodel){ + case BC_YUV420P: + pdp_llconv(x->qt_frame, RIF_YVU__P411_U8, data, RIF_YVU__P411_S16, x->x_vwidth, x->x_vheight); + break; + + case BC_YUV422: + pdp_llconv(x->qt_frame, RIF_YUYV_P____U8, data, RIF_YVU__P411_S16, x->x_vwidth, x->x_vheight); + break; + + case BC_RGB888: + pdp_llconv(x->qt_frame, RIF_RGB__P____U8, data, RIF_YVU__P411_S16, x->x_vwidth, x->x_vheight); + break; + + default: + post("pdp_fqt : error on decode: unkown colour model"); + break; + } + + outlet_float(x->x_outlet1, (float)pos); + pdp_packet_pass_if_valid(x->x_outlet0, &object); + +} + +static void pdp_fqt_loop(t_pdp_fqt *x, t_floatarg loop) +{ + int loopi = (int)loop; + x->loop = !(loopi == 0); +} + +static void pdp_fqt_frame_cold(t_pdp_fqt *x, t_floatarg frameindex) +{ + int frame = (int)frameindex; + int length; + + + if (!(x->initialized)) return; + + length = quicktime_video_length(x->qt,0); + + frame = (frame >= length) ? length-1 : frame; + frame = (frame < 0) ? 0 : frame; + + // post("pdp_fqt : frame cold : setting video position to : %d", frame ); + quicktime_set_video_position(x->qt, frame, 0); +} + +static void pdp_fqt_frame(t_pdp_fqt *x, t_floatarg frameindex) +{ + // pdp_fqt_frame_cold(x, frameindex); + pdp_fqt_bang(x); +} + +static void pdp_fqt_gain(t_pdp_fqt *x, t_floatarg f) +{ + int i; + short int g; + float bound = (float)0x7fff; + + f *= (float)0x7fff; + + f = (f>bound) ? bound : f; + f = (f<-bound) ? -bound : f; + + g = (short int)f; + + for (i=0; i<4; i++) x->state_data->gain[i] = g; +} + +static void pdp_fqt_free(t_pdp_fqt *x) +{ + free (x->state_data); + pdp_fqt_close(x); +} + +t_class *pdp_fqt_class; + +void *pdp_fqt_new(void) +{ + t_pdp_fqt *x = (t_pdp_fqt *)pd_new(pdp_fqt_class); + + inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("frame_cold")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("gain")); + + x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); + x->x_outlet1 = outlet_new(&x->x_obj, &s_float); + x->x_outlet2 = outlet_new(&x->x_obj, &s_float); + + x->packet0 = -1; + + x->initialized = false; + + x->loop = false; + + x->state_data = (t_pdp_fqt_data *)malloc(sizeof(t_pdp_fqt_data)); + pdp_fqt_gain(x, 1.0f); + + return (void *)x; +} + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_fqt_setup(void) +{ + pdp_fqt_class = class_new(gensym("pdp_fqt"), (t_newmethod)pdp_fqt_new, + (t_method)pdp_fqt_free, sizeof(t_pdp_fqt), 0, A_NULL); + + class_addmethod(pdp_fqt_class, (t_method)pdp_fqt_bang, gensym("bang"), A_NULL); + class_addmethod(pdp_fqt_class, (t_method)pdp_fqt_close, gensym("close"), A_NULL); + class_addmethod(pdp_fqt_class, (t_method)pdp_fqt_open, gensym("open"), A_SYMBOL, A_NULL); + class_addmethod(pdp_fqt_class, (t_method)pdp_fqt_loop, gensym("loop"), A_DEFFLOAT, A_NULL); + class_addfloat (pdp_fqt_class, (t_method)pdp_fqt_frame); + class_addmethod(pdp_fqt_class, (t_method)pdp_fqt_frame_cold, gensym("frame_cold"), A_FLOAT, A_NULL); + class_addmethod(pdp_fqt_class, (t_method)pdp_fqt_gain, gensym("gain"), A_FLOAT, A_NULL); + class_addmethod(pdp_fqt_class, nullfn, gensym("signal"), 0); + class_sethelpsymbol( pdp_fqt_class, gensym("pdp_fqt.pd") ); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1