From f44ba092651aa75055e109e04b4164ea92ae7fdc Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 19 Jun 2006 21:53:48 +0000 Subject: big s/polyp/pulse/g git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/pulsecore/core-scache.c | 412 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 412 insertions(+) create mode 100644 src/pulsecore/core-scache.c (limited to 'src/pulsecore/core-scache.c') diff --git a/src/pulsecore/core-scache.c b/src/pulsecore/core-scache.c new file mode 100644 index 00000000..377dd569 --- /dev/null +++ b/src/pulsecore/core-scache.c @@ -0,0 +1,412 @@ +/* $Id$ */ + +/*** + This file is part of PulseAudio. + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef HAVE_GLOB_H +#include +#endif + +#ifdef HAVE_WINDOWS_H +#include +#endif + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "core-scache.h" + +#define UNLOAD_POLL_TIME 2 + +static void timeout_callback(pa_mainloop_api *m, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) { + pa_core *c = userdata; + struct timeval ntv; + assert(c && c->mainloop == m && c->scache_auto_unload_event == e); + + pa_scache_unload_unused(c); + + pa_gettimeofday(&ntv); + ntv.tv_sec += UNLOAD_POLL_TIME; + m->time_restart(e, &ntv); +} + +static void free_entry(pa_scache_entry *e) { + assert(e); + pa_namereg_unregister(e->core, e->name); + pa_subscription_post(e->core, PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE|PA_SUBSCRIPTION_EVENT_REMOVE, e->index); + pa_xfree(e->name); + pa_xfree(e->filename); + if (e->memchunk.memblock) + pa_memblock_unref(e->memchunk.memblock); + pa_xfree(e); +} + +static pa_scache_entry* scache_add_item(pa_core *c, const char *name) { + pa_scache_entry *e; + assert(c && name); + + if ((e = pa_namereg_get(c, name, PA_NAMEREG_SAMPLE, 0))) { + if (e->memchunk.memblock) + pa_memblock_unref(e->memchunk.memblock); + + pa_xfree(e->filename); + + assert(e->core == c); + + pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE|PA_SUBSCRIPTION_EVENT_CHANGE, e->index); + } else { + e = pa_xmalloc(sizeof(pa_scache_entry)); + + if (!pa_namereg_register(c, name, PA_NAMEREG_SAMPLE, e, 1)) { + pa_xfree(e); + return NULL; + } + + e->name = pa_xstrdup(name); + e->core = c; + + if (!c->scache) { + c->scache = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); + assert(c->scache); + } + + pa_idxset_put(c->scache, e, &e->index); + + pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE|PA_SUBSCRIPTION_EVENT_NEW, e->index); + } + + e->last_used_time = 0; + e->memchunk.memblock = NULL; + e->memchunk.index = e->memchunk.length = 0; + e->filename = NULL; + e->lazy = 0; + e->last_used_time = 0; + + memset(&e->sample_spec, 0, sizeof(e->sample_spec)); + pa_channel_map_init(&e->channel_map); + pa_cvolume_reset(&e->volume, PA_CHANNELS_MAX); + + return e; +} + +int pa_scache_add_item(pa_core *c, const char *name, const pa_sample_spec *ss, const pa_channel_map *map, const pa_memchunk *chunk, uint32_t *idx) { + pa_scache_entry *e; + assert(c && name); + + if (chunk && chunk->length > PA_SCACHE_ENTRY_SIZE_MAX) + return -1; + + if (!(e = scache_add_item(c, name))) + return -1; + + if (ss) { + e->sample_spec = *ss; + pa_channel_map_init_auto(&e->channel_map, ss->channels, PA_CHANNEL_MAP_DEFAULT); + e->volume.channels = e->sample_spec.channels; + } + + if (map) + e->channel_map = *map; + + if (chunk) { + e->memchunk = *chunk; + pa_memblock_ref(e->memchunk.memblock); + } + + if (idx) + *idx = e->index; + + return 0; +} + +int pa_scache_add_file(pa_core *c, const char *name, const char *filename, uint32_t *idx) { + pa_sample_spec ss; + pa_channel_map map; + pa_memchunk chunk; + int r; + +#ifdef OS_IS_WIN32 + char buf[MAX_PATH]; + + if (ExpandEnvironmentStrings(filename, buf, MAX_PATH)) + filename = buf; +#endif + + if (pa_sound_file_load(filename, &ss, &map, &chunk, c->memblock_stat) < 0) + return -1; + + r = pa_scache_add_item(c, name, &ss, &map, &chunk, idx); + pa_memblock_unref(chunk.memblock); + + return r; +} + +int pa_scache_add_file_lazy(pa_core *c, const char *name, const char *filename, uint32_t *idx) { + pa_scache_entry *e; + +#ifdef OS_IS_WIN32 + char buf[MAX_PATH]; + + if (ExpandEnvironmentStrings(filename, buf, MAX_PATH)) + filename = buf; +#endif + + assert(c && name); + + if (!(e = scache_add_item(c, name))) + return -1; + + e->lazy = 1; + e->filename = pa_xstrdup(filename); + + if (!c->scache_auto_unload_event) { + struct timeval ntv; + pa_gettimeofday(&ntv); + ntv.tv_sec += UNLOAD_POLL_TIME; + c->scache_auto_unload_event = c->mainloop->time_new(c->mainloop, &ntv, timeout_callback, c); + } + + if (idx) + *idx = e->index; + + return 0; +} + +int pa_scache_remove_item(pa_core *c, const char *name) { + pa_scache_entry *e; + assert(c && name); + + if (!(e = pa_namereg_get(c, name, PA_NAMEREG_SAMPLE, 0))) + return -1; + + if (pa_idxset_remove_by_data(c->scache, e, NULL) != e) + assert(0); + + free_entry(e); + return 0; +} + +static void free_cb(void *p, PA_GCC_UNUSED void *userdata) { + pa_scache_entry *e = p; + assert(e); + free_entry(e); +} + +void pa_scache_free(pa_core *c) { + assert(c); + + if (c->scache) { + pa_idxset_free(c->scache, free_cb, NULL); + c->scache = NULL; + } + + if (c->scache_auto_unload_event) + c->mainloop->time_free(c->scache_auto_unload_event); +} + +int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, pa_volume_t volume) { + pa_scache_entry *e; + char *t; + pa_cvolume r; + + assert(c); + assert(name); + assert(sink); + + if (!(e = pa_namereg_get(c, name, PA_NAMEREG_SAMPLE, 1))) + return -1; + + if (e->lazy && !e->memchunk.memblock) { + if (pa_sound_file_load(e->filename, &e->sample_spec, &e->channel_map, &e->memchunk, c->memblock_stat) < 0) + return -1; + + pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE|PA_SUBSCRIPTION_EVENT_CHANGE, e->index); + + if (e->volume.channels > e->sample_spec.channels) + e->volume.channels = e->sample_spec.channels; + } + + if (!e->memchunk.memblock) + return -1; + + t = pa_sprintf_malloc("sample:%s", name); + + pa_cvolume_set(&r, e->volume.channels, volume); + pa_sw_cvolume_multiply(&r, &r, &e->volume); + + if (pa_play_memchunk(sink, t, &e->sample_spec, &e->channel_map, &e->memchunk, &r) < 0) { + pa_xfree(t); + return -1; + } + + pa_xfree(t); + + if (e->lazy) + time(&e->last_used_time); + + return 0; +} + +const char * pa_scache_get_name_by_id(pa_core *c, uint32_t id) { + pa_scache_entry *e; + assert(c && id != PA_IDXSET_INVALID); + + if (!c->scache || !(e = pa_idxset_get_by_index(c->scache, id))) + return NULL; + + return e->name; +} + +uint32_t pa_scache_get_id_by_name(pa_core *c, const char *name) { + pa_scache_entry *e; + assert(c && name); + + if (!(e = pa_namereg_get(c, name, PA_NAMEREG_SAMPLE, 0))) + return PA_IDXSET_INVALID; + + return e->index; +} + +uint32_t pa_scache_total_size(pa_core *c) { + pa_scache_entry *e; + uint32_t idx, sum = 0; + assert(c); + + if (!c->scache || !pa_idxset_size(c->scache)) + return 0; + + for (e = pa_idxset_first(c->scache, &idx); e; e = pa_idxset_next(c->scache, &idx)) + if (e->memchunk.memblock) + sum += e->memchunk.length; + + return sum; +} + +void pa_scache_unload_unused(pa_core *c) { + pa_scache_entry *e; + time_t now; + uint32_t idx; + assert(c); + + if (!c->scache || !pa_idxset_size(c->scache)) + return; + + time(&now); + + for (e = pa_idxset_first(c->scache, &idx); e; e = pa_idxset_next(c->scache, &idx)) { + + if (!e->lazy || !e->memchunk.memblock) + continue; + + if (e->last_used_time + c->scache_idle_time > now) + continue; + + pa_memblock_unref(e->memchunk.memblock); + e->memchunk.memblock = NULL; + e->memchunk.index = e->memchunk.length = 0; + + pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE|PA_SUBSCRIPTION_EVENT_CHANGE, e->index); + } +} + +static void add_file(pa_core *c, const char *pathname) { + struct stat st; + const char *e; + + e = pa_path_get_filename(pathname); + + if (stat(pathname, &st) < 0) { + pa_log(__FILE__": stat('%s'): %s", pathname, pa_cstrerror(errno)); + return; + } + +#if defined(S_ISREG) && defined(S_ISLNK) + if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) +#endif + pa_scache_add_file_lazy(c, e, pathname, NULL); +} + +int pa_scache_add_directory_lazy(pa_core *c, const char *pathname) { + DIR *dir; + assert(c && pathname); + + /* First try to open this as directory */ + if (!(dir = opendir(pathname))) { +#ifdef HAVE_GLOB_H + glob_t p; + unsigned int i; + /* If that fails, try to open it as shell glob */ + + if (glob(pathname, GLOB_ERR|GLOB_NOSORT, NULL, &p) < 0) { + pa_log(__FILE__": failed to open directory '%s': %s", pathname, pa_cstrerror(errno)); + return -1; + } + + for (i = 0; i < p.gl_pathc; i++) + add_file(c, p.gl_pathv[i]); + + globfree(&p); +#else + return -1; +#endif + } else { + struct dirent *e; + + while ((e = readdir(dir))) { + char p[PATH_MAX]; + + if (e->d_name[0] == '.') + continue; + + snprintf(p, sizeof(p), "%s/%s", pathname, e->d_name); + add_file(c, p); + } + } + + closedir(dir); + return 0; +} -- cgit