code.delx.au - pulseaudio/blob - src/source.c

   1 #include <assert.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "source.h"
   6 #include "outputstream.h"
   7
   8 struct source* source_new(struct core *core, const char *name, const struct sample_spec *spec) {
   9     struct source *s;
  10     int r;
  11     assert(core && spec);
  12
  13     s = malloc(sizeof(struct source));
  14     assert(s);
  15
  16     s->name = name ? strdup(name) : NULL;
  17     r = idxset_put(core->sources, s, &s->index);
  18     assert(s->index != IDXSET_INVALID && r >= 0);
  19
  20     s->core = core;
  21     s->sample_spec = *spec;
  22     s->output_streams = idxset_new(NULL, NULL);
  23
  24     s->link_change_callback = NULL;
  25     s->userdata = NULL;
  26
  27     return s;
  28 }
  29
  30 static void do_free(void *p, void *userdata) {
  31     struct output_stream *o = p;
  32     assert(o);
  33     output_stream_free(o);
  34 };
  35
  36 void source_free(struct source *s) {
  37     struct output_stream *o;
  38     assert(s);
  39
  40     while ((o = idxset_rrobin(s->output_streams, NULL)))
  41         output_stream_free(o);
  42     idxset_free(s->output_streams, NULL, NULL);
  43
  44     idxset_remove_by_data(s->core->sources, s, NULL);
  45     idxset_free(s->output_streams, do_free, NULL);
  46
  47     free(s->name);
  48     free(s);
  49 }
  50
  51 static int do_post(void *p, uint32_t index, int *del, void*userdata) {
  52     struct memchunk *chunk = userdata;
  53     struct output_stream *o = p;
  54     assert(o && o->memblockq && index && del && chunk);
  55
  56     memblockq_push(o->memblockq, chunk, 0);
  57     return 0;
  58 }
  59
  60 void source_post(struct source*s, struct memchunk *chunk) {
  61     assert(s && chunk);
  62
  63     idxset_foreach(s->output_streams, do_post, chunk);
  64 }