New in PiDiP 0.12.10

svn path=/trunk/externals/pidip/; revision=1125

1 files changed, 283 insertions, 0 deletions

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 <ydegoyon@free.fr>
+ *
+ *   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 <quicktime/lqt.h>
+#include <quicktime/colormodels.h>
+
+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