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#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "scache.h"
#include "sink-input.h"
#include "mainloop.h"
#include "sample-util.h"
#include "play-memchunk.h"
#include "xmalloc.h"
static void free_entry(struct pa_scache_entry *e) {
assert(e);
pa_xfree(e->name);
if (e->memchunk.memblock)
pa_memblock_unref(e->memchunk.memblock);
pa_xfree(e);
}
void pa_scache_add_item(struct pa_core *c, const char *name, struct pa_sample_spec *ss, struct pa_memchunk *chunk, uint32_t *index) {
struct pa_scache_entry *e;
int put;
assert(c && name);
if (c->scache_hashmap && (e = pa_hashmap_get(c->scache_hashmap, name))) {
put = 0;
if (e->memchunk.memblock)
pa_memblock_unref(e->memchunk.memblock);
} else {
put = 1;
e = pa_xmalloc(sizeof(struct pa_scache_entry));
e->name = pa_xstrdup(name);
}
e->volume = 0x100;
if (ss)
e->sample_spec = *ss;
else
memset(&e->sample_spec, 0, sizeof(struct pa_sample_spec));
if (chunk) {
e->memchunk = *chunk;
pa_memblock_ref(e->memchunk.memblock);
} else {
e->memchunk.memblock = NULL;
e->memchunk.index = e->memchunk.length = 0;
}
if (put) {
if (!c->scache_hashmap) {
c->scache_hashmap = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
assert(c->scache_hashmap);
}
if (!c->scache_idxset) {
c->scache_idxset = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
assert(c->scache_idxset);
}
pa_idxset_put(c->scache_idxset, e, &e->index);
pa_hashmap_put(c->scache_hashmap, e->name, e);
}
if (index)
*index = e->index;
}
int pa_scache_remove_item(struct pa_core *c, const char *name) {
struct pa_scache_entry *e;
assert(c && name);
if (!c->scache_hashmap || !(e = pa_hashmap_get(c->scache_hashmap, name)))
return -1;
pa_hashmap_remove(c->scache_hashmap, name);
if (pa_idxset_remove_by_data(c->scache_idxset, e, NULL) != e)
assert(0);
free_entry(e);
return 0;
}
static void free_cb(void *p, void *userdata) {
struct pa_scache_entry *e = p;
assert(e);
free_entry(e);
}
void pa_scache_free(struct pa_core *c) {
assert(c);
if (c->scache_hashmap) {
pa_hashmap_free(c->scache_hashmap, free_cb, NULL);
c->scache_hashmap = NULL;
}
if (c->scache_idxset) {
pa_idxset_free(c->scache_idxset, NULL, NULL);
c->scache_idxset = NULL;
}
}
int pa_scache_play_item(struct pa_core *c, const char *name, struct pa_sink *sink, uint32_t volume) {
struct pa_scache_entry *e;
assert(c && name && sink);
if (!c->scache_hashmap || !(e = pa_hashmap_get(c->scache_hashmap, name)))
return -1;
if (!e->memchunk.memblock)
return -1;
if (pa_play_memchunk(sink, name, &e->sample_spec, &e->memchunk, pa_volume_multiply(volume, e->volume)) < 0)
return -1;
return 0;
}
const char * pa_scache_get_name_by_id(struct pa_core *c, uint32_t id) {
struct pa_scache_entry *e;
assert(c && id != PA_IDXSET_INVALID);
if (!c->scache_idxset || !(e = pa_idxset_get_by_index(c->scache_idxset, id)))
return NULL;
return e->name;
}
uint32_t pa_scache_get_id_by_name(struct pa_core *c, const char *name) {
struct pa_scache_entry *e;
assert(c && name);
if (!c->scache_hashmap || !(e = pa_hashmap_get(c->scache_hashmap, name)))
return PA_IDXSET_INVALID;
return e->index;
}
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