mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-10-29 05:40:23 -04:00
24291aff27
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@102 fefdeb5f-60dc-0310-8127-8f9354f1896f
140 lines
3.6 KiB
C
140 lines
3.6 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "scache.h"
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#include "sink-input.h"
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#include "mainloop.h"
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#include "sample-util.h"
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#include "play-memchunk.h"
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static void free_entry(struct pa_scache_entry *e) {
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assert(e);
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free(e->name);
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if (e->memchunk.memblock)
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pa_memblock_unref(e->memchunk.memblock);
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free(e);
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}
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void pa_scache_add_item(struct pa_core *c, const char *name, struct pa_sample_spec *ss, struct pa_memchunk *chunk, uint32_t *index) {
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struct pa_scache_entry *e;
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int put;
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assert(c && name);
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if (c->scache_hashmap && (e = pa_hashmap_get(c->scache_hashmap, name))) {
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put = 0;
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if (e->memchunk.memblock)
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pa_memblock_unref(e->memchunk.memblock);
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} else {
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put = 1;
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e = malloc(sizeof(struct pa_scache_entry));
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assert(e);
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e->name = strdup(name);
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assert(e->name);
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}
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e->volume = 0x100;
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if (ss)
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e->sample_spec = *ss;
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else
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memset(&e->sample_spec, 0, sizeof(struct pa_sample_spec));
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if (chunk) {
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e->memchunk = *chunk;
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pa_memblock_ref(e->memchunk.memblock);
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} else {
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e->memchunk.memblock = NULL;
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e->memchunk.index = e->memchunk.length = 0;
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}
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if (put) {
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if (!c->scache_hashmap) {
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c->scache_hashmap = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
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assert(c->scache_hashmap);
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}
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if (!c->scache_idxset) {
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c->scache_idxset = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
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assert(c->scache_idxset);
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}
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pa_idxset_put(c->scache_idxset, e, &e->index);
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pa_hashmap_put(c->scache_hashmap, e->name, e);
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}
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if (index)
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*index = e->index;
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}
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int pa_scache_remove_item(struct pa_core *c, const char *name) {
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struct pa_scache_entry *e;
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assert(c && name);
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if (!c->scache_hashmap || !(e = pa_hashmap_get(c->scache_hashmap, name)))
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return -1;
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pa_hashmap_remove(c->scache_hashmap, name);
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if (pa_idxset_remove_by_data(c->scache_idxset, e, NULL) != e)
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assert(0);
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free_entry(e);
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return 0;
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}
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static void free_cb(void *p, void *userdata) {
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struct pa_scache_entry *e = p;
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assert(e);
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free_entry(e);
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}
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void pa_scache_free(struct pa_core *c) {
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assert(c);
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if (c->scache_hashmap) {
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pa_hashmap_free(c->scache_hashmap, free_cb, NULL);
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c->scache_hashmap = NULL;
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}
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if (c->scache_idxset) {
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pa_idxset_free(c->scache_idxset, NULL, NULL);
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c->scache_idxset = NULL;
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}
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}
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int pa_scache_play_item(struct pa_core *c, const char *name, struct pa_sink *sink, uint32_t volume) {
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struct pa_scache_entry *e;
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assert(c && name && sink);
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if (!c->scache_hashmap || !(e = pa_hashmap_get(c->scache_hashmap, name)))
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return -1;
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if (!e->memchunk.memblock)
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return -1;
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if (pa_play_memchunk(sink, name, &e->sample_spec, &e->memchunk, pa_volume_multiply(volume, e->volume)) < 0)
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return -1;
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return 0;
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}
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const char * pa_scache_get_name_by_id(struct pa_core *c, uint32_t id) {
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struct pa_scache_entry *e;
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assert(c && id != PA_IDXSET_INVALID);
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if (!c->scache_idxset || !(e = pa_idxset_get_by_index(c->scache_idxset, id)))
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return NULL;
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return e->name;
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}
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uint32_t pa_scache_get_id_by_name(struct pa_core *c, const char *name) {
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struct pa_scache_entry *e;
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assert(c && name);
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if (!c->scache_hashmap || !(e = pa_hashmap_get(c->scache_hashmap, name)))
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return PA_IDXSET_INVALID;
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return e->index;
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}
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