main.c

   1 #include "stdio.h"
   2 #include "soundout.h"
   3 #include "wavefile.h"
   4 #include "modules/modules.h"
   5 #include "graph.h"
   6 #include "errors.h"
   7 #include "assert.h"
   8
   9 #include "unistd.h"
  10 #include "sys/types.h"
  11 #include "signal.h"
  12
  13 void moan(err_t err)
  14 {
  15     if (err != EOK){
  16         fprintf(stderr, "%s:%d: in function %s: %s\n",
  17           get_last_error_file(),
  18           get_last_error_line(),
  19           get_last_error_func(),
  20           get_last_error_message());
  21         raise(SIGABRT);
  22     }
  23 }
  24
  25 int main(int argc, char **argv)
  26 {
  27     struct graph _graph, *graph = &_graph;
  28     struct graphnode *node, *source_1, *source_2, *mixer, *sink;
  29     err_t err;
  30
  31     if (graph_create(graph)){
  32         fprintf(stderr, "cannot create graph\n");
  33         return 1;
  34     }
  35
  36     moan(wavesource_create(&node, "/home/aoe/reflections.wav"));
  37     assert(node);
  38     moan(graph_add_node(graph, node));
  39     node->name = "source_1";
  40     source_1 = node;
  41
  42     moan(wavesource_create(&node, "/home/aoe/horizon.wav"));
  43     assert(node);
  44     moan(graph_add_node(graph, node));
  45     node->name = "source_2";
  46     source_2 = node;
  47
  48     moan(playsink_create(&node));
  49     assert(node);
  50     moan(graph_add_node(graph, node));
  51     node->name = "sink";
  52     sink = node;
  53
  54     moan(mixer_create(&node));
  55     assert(node);
  56     moan(graph_add_node(graph, node));
  57     node->name = "mixer";
  58     mixer = node;
  59
  60     printf("connecting mixer in0\n");
  61     moan(graph_connect(graph, source_1->pins, mixer->pins->next));
  62     printf("connecting mixer in1\n");
  63     moan(graph_connect(graph, source_2->pins, mixer->pins->next->next));
  64     printf("connecting mixer out\n");
  65     moan(graph_connect(graph, mixer->pins, sink->pins));
  66     moan(graph_sort(graph));
  67
  68     {
  69         struct graphnode *node;
  70         for (node=graph->sorted_nodes; node; node=node->sorted_next){
  71             printf("sorted_node: %s\n", node->name);
  72         }
  73     }
  74
  75     while ((err = graph_run(graph)) == EOK);
  76     moan(err);
  77
  78     graph_destroy(graph);
  79
  80
  81     return 0;
  82 }