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#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "inputstream.h"
struct input_stream* input_stream_new(struct sink *s, struct sample_spec *spec, const char *name) {
struct input_stream *i;
int r;
assert(s && spec);
i = malloc(sizeof(struct input_stream));
assert(i);
i->name = name ? strdup(name) : NULL;
i->sink = s;
i->spec = *spec;
i->kill = NULL;
i->kill_userdata = NULL;
i->notify = NULL;
i->notify_userdata = NULL;
i->memblockq = memblockq_new(bytes_per_second(spec)/2, sample_size(spec), (size_t) -1);
assert(i->memblockq);
assert(s->core);
r = idxset_put(s->core->input_streams, i, &i->index);
assert(r == 0 && i->index != IDXSET_INVALID);
r = idxset_put(s->input_streams, i, NULL);
assert(r == 0);
return i;
}
void input_stream_free(struct input_stream* i) {
assert(i);
memblockq_free(i->memblockq);
assert(i->sink && i->sink->core);
idxset_remove_by_data(i->sink->core->input_streams, i, NULL);
idxset_remove_by_data(i->sink->input_streams, i, NULL);
free(i->name);
free(i);
}
void input_stream_notify_sink(struct input_stream *i) {
assert(i);
if (!memblockq_is_readable(i->memblockq))
return;
sink_notify(i->sink);
}
void input_stream_set_kill_callback(struct input_stream *i, void (*kill)(struct input_stream*i, void *userdata), void *userdata) {
assert(i && kill);
i->kill = kill;
i->kill_userdata = userdata;
}
void input_stream_kill(struct input_stream*i) {
assert(i);
if (i->kill)
i->kill(i, i->kill_userdata);
}
void input_stream_set_notify_callback(struct input_stream *i, void (*notify)(struct input_stream*i, void *userdata), void *userdata) {
assert(i && notify);
i->notify = notify;
i->notify_userdata = userdata;
}
void input_stream_notify(struct input_stream *i) {
assert(i);
if (i->notify)
i->notify(i, i->notify_userdata);
}
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