diff options
Diffstat (limited to 'src/xine-engine/load_plugins.c')
-rw-r--r-- | src/xine-engine/load_plugins.c | 268 |
1 files changed, 182 insertions, 86 deletions
diff --git a/src/xine-engine/load_plugins.c b/src/xine-engine/load_plugins.c index b179a135d..8e4a10a60 100644 --- a/src/xine-engine/load_plugins.c +++ b/src/xine-engine/load_plugins.c @@ -49,6 +49,7 @@ /* #define LOG +#define DEBUG */ #define XINE_ENABLE_EXPERIMENTAL_FEATURES 1 @@ -65,6 +66,8 @@ #include <xine/xineutils.h> #include <xine/compat.h> +#define LINE_MAX_LENGTH (1024 * 32) /* 32 KiB */ + #if 0 static char *plugin_name; @@ -96,7 +99,7 @@ static void remove_segv_handler(void){ #endif #endif /* 0 */ -#define CACHE_CATALOG_VERSION 2 +#define CACHE_CATALOG_VERSION 3 static const int plugin_iface_versions[] = { INPUT_PLUGIN_IFACE_VERSION, @@ -250,26 +253,26 @@ static void _decoder_priority_cb(void *data, xine_cfg_entry_t *cfg) { map_decoders((xine_t *)data); } -static plugin_info_t *_get_cached_info (xine_t *this, +static plugin_node_t *_get_cached_node (xine_t *this, char *filename, off_t filesize, time_t filemtime, - plugin_info_t *previous_info) { + plugin_node_t *previous_node) { xine_sarray_t *list = this->plugin_catalog->cache_list; int list_id, list_size; list_size = xine_sarray_size (list); for (list_id = 0; list_id < list_size; list_id++) { plugin_node_t *node = xine_sarray_get (list, list_id); - if( !previous_info && + if( !previous_node && node->file->filesize == filesize && node->file->filemtime == filemtime && !strcmp( node->file->filename, filename )) { - return node->info; + return node; } /* skip previously returned items */ - if( node->info == previous_info ) - previous_info = NULL; + if( node == previous_node ) + previous_node = NULL; } return NULL; @@ -299,6 +302,7 @@ static plugin_file_t *_insert_file (xine_t *this, static void _insert_node (xine_t *this, xine_sarray_t *list, plugin_file_t *file, + plugin_node_t *node_cache, plugin_info_t *info, int api_version){ @@ -338,6 +342,7 @@ static void _insert_node (xine_t *this, entry->file = file; entry->ref = 0; entry->priority = 0; /* default priority */ + entry->config_entry_list = (node_cache) ? node_cache->config_entry_list : NULL; switch (info->type & PLUGIN_TYPE_MASK){ @@ -480,7 +485,8 @@ static plugin_catalog_t *_new_catalog(void){ return catalog; } -static void _register_plugins_internal(xine_t *this, plugin_file_t *file, plugin_info_t *info) { +static void _register_plugins_internal(xine_t *this, plugin_file_t *file, + plugin_node_t *node_cache, plugin_info_t *info) { _x_assert(this); _x_assert(info); @@ -506,7 +512,7 @@ static void _register_plugins_internal(xine_t *this, plugin_file_t *file, plugin int plugin_type = info->type & PLUGIN_TYPE_MASK; if ((plugin_type > 0) && (plugin_type <= PLUGIN_TYPE_MAX)) { - _insert_node (this, this->plugin_catalog->plugin_lists[plugin_type - 1], file, info, + _insert_node (this, this->plugin_catalog->plugin_lists[plugin_type - 1], file, node_cache, info, plugin_iface_versions[plugin_type - 1]); if ((plugin_type == PLUGIN_AUDIO_DECODER) || @@ -530,7 +536,8 @@ static void _register_plugins_internal(xine_t *this, plugin_file_t *file, plugin /* get next info */ if( file && !file->lib_handle ) { lprintf("get cached info\n"); - info = _get_cached_info (this, file->filename, file->filesize, file->filemtime, info); + node_cache = _get_cached_node (this, file->filename, file->filesize, file->filemtime, node_cache); + info = (node_cache) ? node_cache->info : NULL; } else { info++; } @@ -538,7 +545,7 @@ static void _register_plugins_internal(xine_t *this, plugin_file_t *file, plugin } void xine_register_plugins(xine_t *self, plugin_info_t *info) { - _register_plugins_internal(self, NULL, info); + _register_plugins_internal(self, NULL, NULL, info); } /* @@ -569,6 +576,7 @@ static void collect_plugins(xine_t *this, char *path){ size_t new_str_size, d_len; void *lib = NULL; plugin_info_t *info = NULL; + plugin_node_t *node = NULL; struct stat statbuffer; @@ -611,7 +619,8 @@ static void collect_plugins(xine_t *this, char *path){ lib = NULL; /* get the first plugin_info_t */ - info = _get_cached_info (this, str, statbuffer.st_size, statbuffer.st_mtime, NULL); + node = _get_cached_node (this, str, statbuffer.st_size, statbuffer.st_mtime, NULL); + info = (node) ? node->info : NULL; #ifdef LOG if( info ) printf("load_plugins: using cached %s\n", str); @@ -632,7 +641,7 @@ static void collect_plugins(xine_t *this, char *path){ file = _insert_file(this, this->plugin_catalog->file_list, str, &statbuffer, lib); - _register_plugins_internal(this, file, info); + _register_plugins_internal(this, file, node, info); } else { const char *error = dlerror(); @@ -689,6 +698,25 @@ static inline int _plugin_info_equal(const plugin_info_t *a, return 1; } +static void _attach_entry_to_node (plugin_node_t *node, char *key) { + + if (!node->config_entry_list) { + node->config_entry_list = xine_list_new(); + } + + xine_list_push_back(node->config_entry_list, key); +} + +/* + * This callback is called by the config entry system when a plugin register a + * new config entry. + */ +static void _new_entry_cb (void *user_data, xine_cfg_entry_t *entry) { + plugin_node_t *node = (plugin_node_t *)user_data; + + _attach_entry_to_node(node, strdup(entry->key)); +} + static int _load_plugin_class(xine_t *this, plugin_node_t *node, void *data) { @@ -716,9 +744,17 @@ static int _load_plugin_class(xine_t *this, if ((info = dlsym(node->file->lib_handle, "xine_plugin_info"))) { /* TODO: use sigsegv handler */ - while (info->type != PLUGIN_NONE){ - if (_plugin_info_equal(info, target)){ - if ((node->plugin_class = info->init(this, data))) { + while (info->type != PLUGIN_NONE) { + if (_plugin_info_equal(info, target)) { + config_values_t *config = this->config; + + /* the callback is called for each entry registered by this plugin */ + lprintf("plugin init %s\n", node->info->id); + config->set_new_entry_callback(config, _new_entry_cb, node); + node->plugin_class = info->init(this, data); + config->unset_new_entry_callback(config); + + if (node->plugin_class) { inc_file_ref(node->file); return 1; } else { @@ -797,8 +833,12 @@ static void _load_required_plugins(xine_t *this, xine_sarray_t *list) { while (list_id < list_size) { plugin_node_t *node = xine_sarray_get(list, list_id); - if( (node->info->type & PLUGIN_MUST_PRELOAD) && !node->plugin_class ) { - + /* + * preload plugins if not cached + */ + if( (node->info->type & PLUGIN_MUST_PRELOAD) && !node->plugin_class && + node->file->lib_handle ) { + lprintf("preload plugin %s from %s\n", node->info->id, node->file->filename); if (! _load_plugin_class (this, node, NULL)) { @@ -827,7 +867,7 @@ static void load_required_plugins(xine_t *this) { /* * save plugin list information to file (cached catalog) */ -static void save_plugin_list(FILE *fp, xine_sarray_t *list) { +static void save_plugin_list(xine_t *this, FILE *fp, xine_sarray_t *list) { const plugin_node_t *node; const plugin_file_t *file; @@ -837,7 +877,6 @@ static void save_plugin_list(FILE *fp, xine_sarray_t *list) { const vo_info_t *vo_info; const ao_info_t *ao_info; const post_info_t *post_info; - int i; int list_id = 0; int list_size; @@ -854,9 +893,9 @@ static void save_plugin_list(FILE *fp, xine_sarray_t *list) { fprintf(fp, "api=%d\n", node->info->API ); fprintf(fp, "id=%s\n", node->info->id ); fprintf(fp, "version=%lu\n", (unsigned long) node->info->version ); - + switch (node->info->type & PLUGIN_TYPE_MASK){ - + case PLUGIN_VIDEO_OUT: vo_info = node->info->special_info; fprintf(fp, "visual_type=%d\n", vo_info->visual_type ); @@ -884,7 +923,7 @@ static void save_plugin_list(FILE *fp, xine_sarray_t *list) { demuxer_info = node->info->special_info; fprintf(fp, "demuxer_priority=%d\n", demuxer_info->priority); break; - + case PLUGIN_INPUT: input_info = node->info->special_info; fprintf(fp, "input_priority=%d\n", input_info->priority); @@ -892,10 +931,27 @@ static void save_plugin_list(FILE *fp, xine_sarray_t *list) { case PLUGIN_POST: post_info = node->info->special_info; - fprintf(fp, "post_type=%lu\n", (unsigned long)post_info->type); - break; - } - + fprintf(fp, "post_type=%lu\n", (unsigned long)post_info->type); + break; + } + + /* config entries */ + if (node->config_entry_list) { + xine_list_iterator_t ite = xine_list_front(node->config_entry_list); + while (ite) { + char *key = xine_list_get_value(node->config_entry_list, ite); + + /* now serialize the config key */ + char *key_value = this->config->get_serialized_entry(this->config, key); + + lprintf(" config key: %s, serialization: %d bytes\n", key, strlen(key_value)); + fprintf(fp, "config_key=%s\n", key_value); + + free (key_value); + ite = xine_list_next(node->config_entry_list, ite); + } + } + fprintf(fp, "\n"); list_id++; } @@ -904,7 +960,7 @@ static void save_plugin_list(FILE *fp, xine_sarray_t *list) { /* * load plugin list information from file (cached catalog) */ -static void load_plugin_list(FILE *fp, xine_sarray_t *plugins) { +static void load_plugin_list(xine_t *this, FILE *fp, xine_sarray_t *plugins) { plugin_node_t *node; plugin_file_t *file; @@ -917,20 +973,29 @@ static void load_plugin_list(FILE *fp, xine_sarray_t *plugins) { int i; uint64_t llu; unsigned long lu; - char line[1024]; + char *line; char *value; + size_t line_len; int version_ok = 0; + line = malloc(LINE_MAX_LENGTH); + if (!line) + return; + node = NULL; file = NULL; - while (fgets (line, 1023, fp)) { + while (fgets (line, LINE_MAX_LENGTH, fp)) { if (line[0] == '#') continue; - - if( (value = strchr(line, '\r')) || (value = strchr(line, '\n')) ) - *value = (char) 0; /* eliminate any cr/lf */ + line_len = strlen(line); + if (line_len < 3) + continue; + + value = &line[line_len - 1]; + if( (*value == '\r') || (*value == '\n') ) + *value-- = (char) 0; /* eliminate any cr/lf */ - if( (value = strchr(line, '\r')) || (value = strchr(line, '\n')) ) + if( (*value == '\r') || (*value == '\n') ) *value = (char) 0; /* eliminate any cr/lf */ if (line[0] == '[' && version_ok) { @@ -1005,11 +1070,11 @@ static void load_plugin_list(FILE *fp, xine_sarray_t *plugins) { xine_xmalloc(sizeof(decoder_info_t)); break; - case PLUGIN_POST: - node->info->special_info = post_info = - xine_xmalloc(sizeof(post_info_t)); - break; - } + case PLUGIN_POST: + node->info->special_info = post_info = + xine_xmalloc(sizeof(post_info_t)); + break; + } } else if( !strcmp("api",line) ) { sscanf(value," %d",&i); @@ -1050,8 +1115,18 @@ static void load_plugin_list(FILE *fp, xine_sarray_t *plugins) { sscanf(value," %d",&i); input_info->priority = i; } else if( !strcmp("post_type",line) && post_info ) { - sscanf(value," %lu",&lu); - post_info->type = lu; + sscanf(value," %lu",&lu); + post_info->type = lu; + } else if( !strcmp("config_key",line) ) { + char* cfg_key; + + cfg_key = this->config->register_serialized_entry(this->config, value); + if (cfg_key) { + /* this node is a cached node */ + _attach_entry_to_node(node, cfg_key); + } else { + lprintf("failed to deserialize config entry key\n"); + } } } } @@ -1060,6 +1135,8 @@ static void load_plugin_list(FILE *fp, xine_sarray_t *plugins) { if( node ) { xine_sarray_add (plugins, node); } + + free (line); } /** @@ -1132,7 +1209,7 @@ static void save_catalog (xine_t *this) { fprintf(fp, "cache_catalog_version=%d\n\n", CACHE_CATALOG_VERSION); for (i = 0; i < PLUGIN_TYPE_MAX; i++) { - save_plugin_list (fp, this->plugin_catalog->plugin_lists[i]); + save_plugin_list (this, fp, this->plugin_catalog->plugin_lists[i]); } fclose(fp); } @@ -1149,21 +1226,31 @@ static void load_cached_catalog (xine_t *this) { /* It can't return NULL without creating directories */ if( (fp = fopen(cachefile,"r")) != NULL ) { - load_plugin_list (fp, this->plugin_catalog->cache_list); + load_plugin_list (this, fp, this->plugin_catalog->cache_list); fclose(fp); } free(cachefile); } +/* helper function for _x_scan_plugins */ +static void push_if_dir (xine_list_t *plugindirs, void *path) +{ + struct stat st; + if (!stat (path, &st) && S_ISDIR (st.st_mode)) + xine_list_push_back (plugindirs, path); + else + free (path); +} + /* * initialize catalog, load all plugins into new catalog */ void _x_scan_plugins (xine_t *this) { - - char *homedir, *plugindir, *pluginpath; - int i,j; - int lenpluginpath; + + char *homedir, *pluginpath; + xine_list_t *plugindirs = xine_list_new (); + xine_list_iterator_t iter; lprintf("_x_scan_plugins()\n"); @@ -1175,48 +1262,44 @@ void _x_scan_plugins (xine_t *this) { homedir = strdup(xine_get_homedir()); this->plugin_catalog = _new_catalog(); - load_cached_catalog (this); - - if ((pluginpath = getenv("XINE_PLUGIN_PATH")) != NULL) { - pluginpath = strdup(pluginpath); + XINE_PROFILE(load_cached_catalog (this)); + + if ((pluginpath = getenv("XINE_PLUGIN_PATH")) != NULL && *pluginpath) { + char *p = pluginpath - 1; + while (p[1]) + { + char *dir, *q = p; + p = strchr (p + 1, XINE_PATH_SEPARATOR_CHAR); + if (q[0] == '~' && q[1] == '/') + asprintf (&dir, "%s%.*s", homedir, (int)(p - q - 1), q + 1); + else + dir = strndup (q, p - q); + push_if_dir (plugindirs, dir); /* store or free it */ + } } else { - const char *str1, *str2; - int len; - - str1 = "~/.xine/plugins"; - str2 = XINE_PLUGINDIR; - len = strlen(str1) + strlen(str2) + 2; - pluginpath = xine_xmalloc(len); - snprintf(pluginpath, len, "%s" XINE_PATH_SEPARATOR_STRING "%s", str1, str2); - } - plugindir = xine_xmalloc(strlen(pluginpath)+strlen(homedir)+2); - j=0; - lenpluginpath = strlen(pluginpath); - for (i=0; i <= lenpluginpath; ++i){ - switch (pluginpath[i]){ - case XINE_PATH_SEPARATOR_CHAR: - case '\0': - plugindir[j] = '\0'; - collect_plugins(this, plugindir); - j = 0; - break; - case '~': - if (j == 0){ - strcpy(plugindir, homedir); - j = strlen(plugindir); - break; - } - default: - plugindir[j++] = pluginpath[i]; + char *dir; + int i; + asprintf (&dir, "%s/.xine/plugins", homedir); + push_if_dir (plugindirs, dir); + for (i = 0; i <= XINE_LT_AGE; ++i) + { + asprintf (&dir, "%s.%d", XINE_PLUGINROOT, XINE_LT_AGE - i); + push_if_dir (plugindirs, dir); } } - free(plugindir); - free(pluginpath); + for (iter = xine_list_front (plugindirs); iter; + iter = xine_list_next (plugindirs, iter)) + { + char *dir = xine_list_get_value (plugindirs, iter); + collect_plugins(this, dir); + free (dir); + } + xine_list_delete (plugindirs); free(homedir); - save_catalog (this); - load_required_plugins (this); + + XINE_PROFILE(save_catalog (this)); map_decoders (this); } @@ -2604,7 +2687,7 @@ char *xine_get_demux_for_mime_type (xine_t *self, const char *mime_type) { } -static void dispose_plugin_list (xine_sarray_t *list) { +static void dispose_plugin_list (xine_sarray_t *list, int is_cache) { plugin_node_t *node; decoder_info_t *decoder_info; @@ -2641,6 +2724,19 @@ static void dispose_plugin_list (xine_sarray_t *list) { /* free info structure and string copies */ free (node->info->id); free (node->info); + + /* don't free the entry list if the node is cache */ + if (!is_cache) { + if (node->config_entry_list) { + xine_list_iterator_t ite = xine_list_front (node->config_entry_list); + while (ite) { + char *key = xine_list_get_value (node->config_entry_list, ite); + free (key); + ite = xine_list_next (node->config_entry_list, ite); + } + xine_list_delete(node->config_entry_list); + } + } free (node); } xine_sarray_delete(list); @@ -2673,10 +2769,10 @@ void _x_dispose_plugins (xine_t *this) { int i; for (i = 0; i < PLUGIN_TYPE_MAX; i++) { - dispose_plugin_list (this->plugin_catalog->plugin_lists[i]); + dispose_plugin_list (this->plugin_catalog->plugin_lists[i], 0); } - dispose_plugin_list (this->plugin_catalog->cache_list); + dispose_plugin_list (this->plugin_catalog->cache_list, 1); dispose_plugin_file_list (this->plugin_catalog->file_list); for (i = 0; this->plugin_catalog->prio_desc[i]; i++) |