my first commit, mosaico is in cvs

CVS patchset: 4288
CVS date: 2003/02/26 18:26:40

2 files changed, 648 insertions, 0 deletions

diff --git a/src/post/mosaico/Makefile.am b/src/post/mosaico/Makefile.am
new file mode 100644
index 000000000..fbfa85604
--- /dev/null
+++ b/src/post/mosaico/Makefile.am
@@ -0,0 +1,30 @@
+##
+## Process this file with automake to produce Makefile.in
+##
+
+AM_CFLAGS = @ANSI_FLAGS@
+DEBUG_CFLAGS = @DEBUG_CFLAGS@ @ANSI_FLAGS@
+
+LIBTOOL = $(SHELL) $(top_builddir)/libtool-nofpic
+
+libdir = $(XINE_PLUGINDIR)/post
+
+lib_LTLIBRARIES = xineplug_post_mosaico.la
+
+xineplug_post_mosaico_la_SOURCES = mosaico.c
+xineplug_post_mosaico_la_LIBADD = $(XINE_LIB)
+xineplug_post_mosaico_la_LDFLAGS = -avoid-version -module @XINE_PLUGIN_MIN_SYMS@
+
+debug:
+	@$(MAKE) CFLAGS="$(DEBUG_CFLAGS)"
+
+install-debug: debug
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+mostlyclean-generic:
+	-rm -f *~ \#* .*~ .\#*
+
+maintainer-clean-generic:
+	-@echo "This command is intended for maintainers to use;"
+	-@echo "it deletes files that may require special tools to rebuild."
+	-rm -f Makefile.in
diff --git a/src/post/mosaico/mosaico.c b/src/post/mosaico/mosaico.c
new file mode 100644
index 000000000..bf4b03634
--- /dev/null
+++ b/src/post/mosaico/mosaico.c
@@ -0,0 +1,618 @@
+/*
+ * Copyright (C) 2000-2002 the xine project
+ * 
+ * This file is part of xine, a free video player.
+ * 
+ * xine 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.
+ * 
+ * xine 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * $Id: mosaico.c,v 1.1 2003/02/26 18:26:40 skaboy Exp $
+ */
+ 
+/*
+ * simple video mosaico plugin
+ */
+
+#include <xine/xine_internal.h>
+#include <xine/post.h>
+
+#define MOVERSION (5)
+
+#define DEFAULT_X (50)
+#define DEFAULT_Y (50)
+#define DEFAULT_W (150)
+#define DEFAULT_H (150)
+#define MAXPIP (5)
+
+/* plugin class initialization function */
+static void *mosaico_init_plugin(xine_t *xine, void *);
+
+/* plugin catalog information */
+post_info_t mosaico_special_info = { XINE_POST_TYPE_VIDEO_FILTER };
+
+plugin_info_t xine_plugin_info[] = {
+  /* type, API, "name", version, special_info, init_function */  
+  { PLUGIN_POST, 2, "mosaico", MOVERSION, &mosaico_special_info, &mosaico_init_plugin },
+  { PLUGIN_NONE, 0, "", 0, NULL, NULL }
+};
+
+typedef struct mosaico_stream_s mosaico_stream_t;
+struct mosaico_stream_s {
+  unsigned int x, y, w, h;
+};
+
+/* plugin structure */
+typedef struct post_mosaico_out_s post_mosaico_out_t;
+struct post_mosaico_out_s {
+  xine_post_out_t  xine_out;
+  /* keep the stream for open/close when rewiring */
+  xine_stream_t   *stream; 
+  vo_frame_t *saved_frame;
+  vo_frame_t *saved_frame_2[MAXPIP]; 
+  pthread_mutex_t mut1, mut2;
+  mosaico_stream_t info[MAXPIP];
+  //pthread_key_t key;
+  unsigned int pip;
+};
+
+typedef struct post_class_mosaico_s post_class_mosaico_t;
+struct post_class_mosaico_s {
+  post_class_t class;
+  xine_t *xine;
+  post_mosaico_out_t *ip;
+};
+
+/* plugin class functions */
+static post_plugin_t *mosaico_open_plugin(post_class_t *class_gen, int inputs,
+					 xine_audio_port_t **audio_target,
+					 xine_video_port_t **video_target);
+static char          *mosaico_get_identifier(post_class_t *class_gen);
+static char          *mosaico_get_description(post_class_t *class_gen);
+static void           mosaico_class_dispose(post_class_t *class_gen);
+
+/* plugin instance functions */
+static void           mosaico_dispose(post_plugin_t *this_gen);
+
+/* rewire function */
+static int            mosaico_rewire(xine_post_out_t *output, void *data);
+
+/* replaced video_port functions */
+static void           mosaico_open(xine_video_port_t *port_gen, xine_stream_t *stream);
+static vo_frame_t    *mosaico_get_frame(xine_video_port_t *port_gen, uint32_t width, 
+				       uint32_t height, int ratio_code, 
+				       int format, int flags);
+static void           mosaico_close(xine_video_port_t *port_gen, xine_stream_t *stream);
+static vo_frame_t    *mosaico_get_frame_2(xine_video_port_t *port_gen, uint32_t width, 
+				       uint32_t height, int ratio_code, 
+				       int format, int flags);
+
+/* replaced vo_frame functions */
+static int            mosaico_draw(vo_frame_t *frame, xine_stream_t *stream);
+static int            mosaico_draw_2(vo_frame_t *frame, xine_stream_t *stream);
+
+static void x_changed_cb(void *data, xine_cfg_entry_t *cfg) {
+  post_class_mosaico_t *class = (post_class_mosaico_t *)data;
+  int i;
+  sscanf(cfg->key, "post.mosaico_input%d", &i);
+  if(class->ip) {
+    post_mosaico_out_t *this = class->ip;
+    this->info[i].x = cfg->num_value;
+  }
+}
+
+static void y_changed_cb(void *data, xine_cfg_entry_t *cfg) {
+  post_class_mosaico_t *class = (post_class_mosaico_t *)data;
+  int i;
+  sscanf(cfg->key, "post.mosaico_input%d", &i);
+  if(class->ip) {
+    post_mosaico_out_t *this = class->ip;
+    this->info[i].y = cfg->num_value;
+  }
+}
+
+static void w_changed_cb(void *data, xine_cfg_entry_t *cfg) {
+  post_class_mosaico_t *class = (post_class_mosaico_t *)data;
+  int i;
+  sscanf(cfg->key, "post.mosaico_input%d", &i);
+  if(class->ip) {
+    post_mosaico_out_t *this = class->ip;
+    this->info[i].w = cfg->num_value;
+  }
+}
+
+static void h_changed_cb(void *data, xine_cfg_entry_t *cfg) {
+  post_class_mosaico_t *class = (post_class_mosaico_t *)data;
+  int i;
+  sscanf(cfg->key, "post.mosaico_input%d", &i);
+  if(class->ip) {
+    post_mosaico_out_t *this = class->ip;
+    this->info[i].h = cfg->num_value;
+  }
+}
+
+
+static void *mosaico_init_plugin(xine_t *xine, void *data)
+{
+  post_class_mosaico_t *this = (post_class_mosaico_t *)malloc(sizeof(post_class_mosaico_t));
+  config_values_t *cfg;
+  int i;
+  char string[255];
+  //add config entry management
+  //post.mosaico_input_0_xywh //background
+  //post.mosaico_input_[1..MAX]_(x, y, w, h) //little screen
+  
+  if (!this)
+    return NULL;
+  
+  this->class.open_plugin     = mosaico_open_plugin;
+  this->class.get_identifier  = mosaico_get_identifier;
+  this->class.get_description = mosaico_get_description;
+  this->class.dispose         = mosaico_class_dispose;
+  this->xine                  = xine;
+  this->ip  = NULL;
+  cfg = xine->config;
+
+  for(i=1;i<=MAXPIP;i++) {
+    sprintf(string, "post.mosaico_input%d_x", i);
+    cfg->register_num (cfg, string, DEFAULT_X, _("Default x position"), NULL, 10, x_changed_cb, this);
+    sprintf(string, "post.mosaico_input%d_y", i);
+    cfg->register_num (cfg, string, DEFAULT_Y, _("Default y position"), NULL, 10, y_changed_cb, this);
+    sprintf(string, "post.mosaico_input%d_w", i);
+    cfg->register_num (cfg, string, DEFAULT_W, _("Default width"), NULL, 10, w_changed_cb, this);
+    sprintf(string, "post.mosaico_input%d_h", i);
+    cfg->register_num (cfg, string, DEFAULT_H, _("Default height"), NULL, 10, h_changed_cb, this);
+  }
+
+  printf("mosaico loaded\n");
+
+  return &this->class;
+}
+
+static post_plugin_t *mosaico_open_plugin(post_class_t *class_gen, int inputs,
+					 xine_audio_port_t **audio_target,
+					 xine_video_port_t **video_target)
+{
+  post_plugin_t     *this   = (post_plugin_t *)malloc(sizeof(post_plugin_t));
+  xine_post_in_t    *input1  = (xine_post_in_t *)malloc(sizeof(xine_post_in_t));
+  xine_post_in_t    *input2;
+  post_mosaico_out_t *output = (post_mosaico_out_t *)malloc(sizeof(post_mosaico_out_t));
+  post_class_mosaico_t *class = (post_class_mosaico_t *) class_gen;
+  post_video_port_t *port, *port2;
+  xine_cfg_entry_t    x_entry, y_entry, w_entry, h_entry;
+  int i;
+  char string[255];
+    
+  printf("mosaico open\n");
+
+  if (!this || !input1 || !output || !video_target || !video_target[0]) {
+    free(this);
+    free(input1);
+    free(output);
+    return NULL;
+  }
+
+  class->ip = output;  
+
+  this->input = xine_list_new();
+  this->output = xine_list_new();
+
+  //background
+  port = post_intercept_video_port(this, video_target[0]);
+  port->port.open      = mosaico_open;
+  port->port.get_frame = mosaico_get_frame;
+  port->port.close     = mosaico_close;
+  input1->name = "video in";
+  input1->type = XINE_POST_DATA_VIDEO;
+  input1->data = (xine_video_port_t *)&port->port;
+  output->xine_out.name   = "video out";
+  output->xine_out.type   = XINE_POST_DATA_VIDEO;
+  output->xine_out.data   = (xine_video_port_t **)&port->original_port;
+  output->xine_out.rewire = mosaico_rewire;
+  output->stream          = NULL;
+  output->pip = inputs-1;
+  xine_list_append_content(this->output, output);
+ 
+  //init mutex
+  pthread_mutex_init(&output->mut1, NULL);
+  pthread_mutex_init(&output->mut2, NULL);
+  output->saved_frame = NULL;
+  this->xine_post.audio_input    = (xine_audio_port_t **)malloc(sizeof(xine_audio_port_t *));
+  this->xine_post.audio_input[0] = NULL;
+  this->xine_post.video_input    = (xine_video_port_t **)malloc(sizeof(xine_video_port_t *) * (inputs+1));
+  this->xine_post.video_input[0] = &port->port;
+  xine_list_append_content(this->input, input1);
+
+  for(i=1;i<inputs;i++) {
+    /*registry operations*/
+    input2 = (xine_post_in_t *)malloc(sizeof(xine_post_in_t));
+    output->saved_frame_2[i-1] = NULL;
+    sprintf(string, "post.mosaico_input%d_x", i);
+    if(xine_config_lookup_entry(class->xine, string, &x_entry)) 
+      x_changed_cb(class, &x_entry);
+
+    sprintf(string, "post.mosaico_input%d_y", i);
+    if(xine_config_lookup_entry(class->xine, string, &y_entry)) 
+      y_changed_cb(class, &y_entry);
+
+    sprintf(string, "post.mosaico_input%d_w", i);
+    if(xine_config_lookup_entry(class->xine, string, &w_entry)) 
+      w_changed_cb(class, &w_entry);
+
+    sprintf(string, "post.mosaico_input%d_h", i);
+    if(xine_config_lookup_entry(class->xine, string, &h_entry)) 
+      h_changed_cb(class, &h_entry);
+
+    port2 = post_intercept_video_port(this, video_target[i]);
+
+    /* replace with our own get_frame function */
+    port2->port.open = mosaico_open;
+    port2->port.get_frame = mosaico_get_frame_2;
+    port2->port.close = mosaico_close;
+
+    sprintf(string, "video in %d", i);
+    input2->name = strdup(string);
+    input2->type = XINE_POST_DATA_VIDEO;
+    input2->data = (xine_video_port_t *)&port2->port;
+    
+    this->xine_post.video_input[i] = &port2->port;
+    xine_list_append_content(this->input, input2);
+  }
+
+  this->xine_post.video_input[i+1] = NULL;     
+  this->dispose = mosaico_dispose;
+
+  //pthread_key_create(&output->key, NULL);
+
+  return this;
+}
+
+static char *mosaico_get_identifier(post_class_t *class_gen)
+{
+  return "mosaico";
+}
+
+static char *mosaico_get_description(post_class_t *class_gen)
+{
+  return "Mosaico is a picture in picture (pip) post plugin";
+}
+
+static void mosaico_class_dispose(post_class_t *class_gen)
+{
+  free(class_gen);
+}
+
+
+static void mosaico_dispose(post_plugin_t *this)
+{
+  post_mosaico_out_t *output = (post_mosaico_out_t *)xine_list_first_content(this->output);
+  xine_video_port_t *port = *(xine_video_port_t **)output->xine_out.data;
+  
+  if (output->stream)
+    port->close(port, output->stream);
+
+  free(this->xine_post.audio_input);
+  free(this->xine_post.video_input);
+  free(xine_list_first_content(this->input));
+  free(xine_list_first_content(this->output));
+  xine_list_free(this->input);
+  xine_list_free(this->output);
+  free(this);
+}
+
+
+static int mosaico_rewire(xine_post_out_t *output_gen, void *data)
+{
+  post_mosaico_out_t *output = (post_mosaico_out_t *)output_gen;
+  xine_video_port_t *old_port = *(xine_video_port_t **)output_gen->data;
+  /*xine_post_in_t *input = (xine_post_in_t *) data;*/
+  xine_video_port_t *new_port = (xine_video_port_t *)data;  
+
+  if (!data)
+    return 0;
+  if (output->stream) {   
+    /* register our stream at the new output port */
+    old_port->close(old_port, output->stream);
+    new_port->open(new_port, output->stream);
+  }
+  /* reconnect ourselves */
+  *(xine_video_port_t **)output_gen->data = new_port;
+  return 1;
+}
+
+static void mosaico_open(xine_video_port_t *port_gen, xine_stream_t *stream)
+{
+  post_video_port_t *port = (post_video_port_t *)port_gen;
+  post_mosaico_out_t *output = (post_mosaico_out_t *)xine_list_first_content(port->post->output);
+  xine_video_port_t *pt;
+  xine_post_in_t *in;
+  int i = 0;
+  int *dato, *dato2;
+
+  in = xine_list_first_content(port->post->input);
+
+  /*  while(in != NULL) {
+    pt = in->data;
+    if(pt == port_gen) break;//printf("trovato %d\n", i);
+
+    in = xine_list_next_content(port->post->input);
+    i++;
+    }*/
+  output->stream = stream;
+  port->original_port->open(port->original_port, stream);
+   
+  /*  dato = malloc(sizeof(int));
+  *dato = i;
+  pthread_setspecific(output->key, dato);
+  dato2 = pthread_getspecific(output->key);
+  printf("%d\n", *dato2);*/
+}
+
+static vo_frame_t *mosaico_get_frame(xine_video_port_t *port_gen, uint32_t width, 
+				    uint32_t height, int ratio_code, 
+				    int format, int flags)
+{
+  post_video_port_t *port = (post_video_port_t *)port_gen;
+  vo_frame_t        *frame;
+
+  frame = port->original_port->get_frame(port->original_port,
+    width, height, ratio_code, format, flags);
+  post_intercept_video_frame(frame, port);
+  /* replace with our own draw function */
+  frame->draw = mosaico_draw;
+  /* decoders should not copy the frames, since they won't be displayed */
+  frame->copy = NULL;
+  return frame;
+}
+
+static vo_frame_t *mosaico_get_frame_2(xine_video_port_t *port_gen, uint32_t width, 
+				    uint32_t height, int ratio_code, 
+				    int format, int flags)
+{
+  post_video_port_t *port = (post_video_port_t *)port_gen;
+  vo_frame_t        *frame;
+
+  frame = port->original_port->get_frame(port->original_port,
+    width, height, ratio_code, format, flags);
+  post_intercept_video_frame(frame, port);
+  /* replace with our own draw function */
+  frame->draw = mosaico_draw_2;
+  /* decoders should not copy the frames, since they won't be displayed */
+  frame->copy = NULL;
+  return frame;
+}
+
+static void mosaico_close(xine_video_port_t *port_gen, xine_stream_t *stream)
+{
+  post_video_port_t *port = (post_video_port_t *)port_gen;
+  post_mosaico_out_t *output = (post_mosaico_out_t *)xine_list_first_content(port->post->output);
+  output->stream = NULL;
+  port->original_port->close(port->original_port, stream);
+}
+
+static void frame_copy_content(vo_frame_t *to, vo_frame_t *from) {
+  int size;
+
+  if((to == NULL)||(from == NULL)) {
+    printf("oi oi oi \n\n");
+    return;
+  }
+  //it works only for XINE_IMGFMT_YV12
+  switch (from->format) {
+  case XINE_IMGFMT_YUY2:
+    printf("not supported\n");
+    /*size = new_frame->pitches[0] * new_frame->height;   
+    for (i = 0; i < size; i++)
+    new_frame->base[0][i] = frame->base[0][i];*/
+    break;     
+  
+  case XINE_IMGFMT_YV12:
+    /* Y */
+    size = to->pitches[0] * to->height;    
+    xine_fast_memcpy(to->base[0], from->base[0], size);
+
+    /* U */
+    size = to->pitches[1] * ((to->height + 1) / 2);
+    xine_fast_memcpy(to->base[1], from->base[1], size);
+
+    /* V */
+    size = to->pitches[2] * ((to->height + 1) / 2);
+    xine_fast_memcpy(to->base[2], from->base[2], size);
+    
+  }
+}
+
+static int _mosaico_draw_1(vo_frame_t *frame, post_mosaico_out_t *output) {  
+
+  post_video_port_t *port;
+
+  if(frame != NULL) {
+    port =  (post_video_port_t *)frame->port;
+    pthread_mutex_lock(&output->mut1);
+    if(output->saved_frame != NULL) output->saved_frame->free(output->saved_frame);
+    output->saved_frame = port->original_port->get_frame(port->original_port,
+						 frame->width, frame->height, frame->ratio, frame->format, VO_BOTH_FIELDS);
+    output->saved_frame->pts = frame->pts;
+    output->saved_frame->duration = frame->duration;
+    output->saved_frame->bad_frame = frame->bad_frame;
+    frame_copy_content(output->saved_frame, frame);
+    pthread_mutex_unlock(&output->mut1);
+  }
+  return 0;
+}
+
+static int _mosaico_draw_2(vo_frame_t *frame, post_mosaico_out_t *output, int cont) {
+
+  unsigned long size, i, j, wx, wy, ciclo;
+  unsigned long zx, zy, wid, wid2, des1, des2, hei;
+  unsigned long scalex, scaley, pos_in_x, pos_in_y, pos_in;
+  post_video_port_t *port;  
+
+  pthread_mutex_lock(&output->mut1);
+  pthread_mutex_lock(&output->mut2);
+
+  if((output->saved_frame_2[cont] == NULL)&&(frame == NULL)) {
+    printf("frame_2 NULL\n");
+    pthread_mutex_unlock(&output->mut1);
+    pthread_mutex_unlock(&output->mut2);
+    return 0;
+  }
+
+  if(output->saved_frame == NULL) {
+    printf("saved frame NULL\n");
+    pthread_mutex_unlock(&output->mut1);
+    pthread_mutex_unlock(&output->mut2);
+    return 0;
+  }  
+ 
+  if(frame != NULL) {
+    port = (post_video_port_t *)frame->port;
+    if(output->saved_frame_2[cont] != NULL) {
+      output->saved_frame_2[cont]->free(output->saved_frame_2[cont]);
+      output->saved_frame_2[cont] = NULL;
+    }
+  
+    output->saved_frame_2[cont] = port->original_port->get_frame(port->original_port,
+						   frame->width, frame->height, frame->ratio, frame->format, VO_BOTH_FIELDS);
+    output->saved_frame_2[cont]->pts = frame->pts;
+    output->saved_frame_2[cont]->duration = frame->duration;
+    output->saved_frame_2[cont]->bad_frame = frame->bad_frame;
+
+    frame_copy_content(output->saved_frame_2[cont], frame);
+  }
+
+  for(ciclo=1;ciclo<=output->pip;ciclo++) {
+    if(output->saved_frame_2[ciclo-1] == NULL) continue;
+    /*initialize vars*/
+    wx = output->info[ciclo].w;
+    wy = output->info[ciclo].h;
+    scalex = scaley = 3;
+    wid = output->saved_frame->width ;   
+    wid2 = output->saved_frame_2[ciclo-1]->width ;
+    wid2 <<= scalex;
+    hei = output->saved_frame_2[ciclo-1]->height;
+    hei <<= scaley;
+    zx = wid2 / wx;
+    zy = hei / wy;
+    pos_in_x = output->info[ciclo].x; pos_in_y = output->info[ciclo].y;
+    pos_in = pos_in_y*wid+pos_in_x;
+
+
+    switch (output->saved_frame_2[ciclo-1]->format) {
+    case XINE_IMGFMT_YUY2:
+      printf("not supported\n");
+      /*size = new_frame->pitches[0] * new_frame->height;   
+	for (i = 0; i < size; i++)
+	new_frame->base[0][i] = frame->base[0][i];*/
+      break;     
+  
+    case XINE_IMGFMT_YV12:
+      /* Y */
+      for(j = 0; j < wy; j++)
+	for (i = 0; i < wx; i++) {
+	  des1 = (i+ j*wid);
+	  des2 = ((i*zx)>>scalex)+(((j*zy)>>scaley) * (wid2>>scalex));
+	  //if(!j) printf("%d %d\n", (i*zx)/scalex, wid2/scalex);
+	  //if(!i) printf("%d %d\n", ((j*zy)>>scaley), (hei>>scaley));
+	  output->saved_frame->base[0][pos_in + des1] = output->saved_frame_2[ciclo-1]->base[0][des2];
+	}
+
+      /* U */
+      wid = (wid+1) / 2;
+      wid2 = (wid2+1) / 2;
+      pos_in_x = (pos_in_x+1)/2;pos_in_y = (pos_in_y+1)/2;
+      pos_in = pos_in_y * wid + pos_in_x;
+      wx = (wx+1)/2; wy = (wy+1)/2; 
+      for(j = 0; j < wy; j++)
+	for (i = 0; i < wx; i++) {
+	  des1 = (i+ j*wid);
+	  des2 = ((i*zx)>>scalex)+(((j*zy)>>scaley) * (wid2>>scalex));
+	  output->saved_frame->base[1][pos_in + des1] = output->saved_frame_2[ciclo-1]->base[1][(des2)];
+	}
+
+      /* V */
+      for(j = 0; j < wy; j++)
+	for (i = 0; i < wx; i++) {
+	  des1 = (i+ j*wid);
+	  des2 = ((i*zx)>>scalex)+(((j*zy)>>scaley) * (wid2>>scalex));
+	  output->saved_frame->base[2][pos_in + des1] = output->saved_frame_2[ciclo-1]->base[2][des2];
+	}
+
+      break;
+    default:    
+      printf("Mosaico: cannot handle image format %d\n", frame->format);
+      /*new_frame->free(new_frame);
+	post_restore_video_frame(frame, port);
+	return frame->draw(frame, stream);*/
+    }
+  }
+
+  pthread_mutex_unlock(&output->mut1);
+  pthread_mutex_unlock(&output->mut2);
+
+  return 0;
+}
+
+static int mosaico_draw(vo_frame_t *frame, xine_stream_t *stream)
+{
+  //vo_frame_t *new_frame;
+  int skip;
+  post_video_port_t *port = (post_video_port_t *)frame->port;
+  post_mosaico_out_t *output = (post_mosaico_out_t *)xine_list_first_content(port->post->output);
+
+  _mosaico_draw_1(frame, output);
+  _mosaico_draw_2(NULL, output, 0);
+  pthread_mutex_lock(&output->mut1);
+  if(output->saved_frame != NULL) {
+    skip = output->saved_frame->draw(output->saved_frame, stream);
+    //new_frame->free(new_frame);
+    frame->vpts = output->saved_frame->vpts;
+    pthread_mutex_unlock(&output->mut1);
+    post_restore_video_frame(frame, port);
+  
+    return skip;
+  }
+  printf("ERROR!! oh oh\n\n");
+  return 0;
+}
+
+static int mosaico_draw_2(vo_frame_t *frame, xine_stream_t *stream)
+{
+  //vo_frame_t *new_frame;
+  post_video_port_t *port = (post_video_port_t *)frame->port;
+  post_mosaico_out_t *output = (post_mosaico_out_t *)xine_list_first_content(port->post->output);
+  int *dato;
+
+  xine_video_port_t *pt;
+  xine_post_in_t *in;
+  int i = 0;
+
+  in = xine_list_first_content(port->post->input);
+
+  while(in != NULL) {
+    pt = in->data;
+    if(pt == frame->port) {
+      //printf("trovato %d\n", i);
+      break;
+    }
+    in = xine_list_next_content(port->post->input);
+    i++;
+  }
+
+  _mosaico_draw_1(NULL, output);
+  _mosaico_draw_2(frame, output, i-1);
+
+  post_restore_video_frame(frame, port);
+  
+  return 0;
+}