/
filter_session.c
4855 lines (4270 loc) · 148 KB
/
filter_session.c
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/*
* GPAC - Multimedia Framework C SDK
*
* Authors: Jean Le Feuvre
* Copyright (c) Telecom ParisTech 2017-2024
* All rights reserved
*
* This file is part of GPAC / filters sub-project
*
* GPAC is free software; you can redistribute it and/or modify
* it under the terfsess of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* GPAC 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "filter_session.h"
#include <gpac/network.h>
#ifndef GPAC_DISABLE_3D
#include <gpac/modules/video_out.h>
#endif
//#define CHECK_TASK_LIST_INTEGRITY
#ifndef GPAC_DISABLE_FONTS
struct _gf_ft_mgr *gf_font_manager_new();
void gf_font_manager_del(struct _gf_ft_mgr *fm);
#endif
static GFINLINE void gf_fs_sema_io(GF_FilterSession *fsess, Bool notify, Bool main)
{
//we don't use sema on emscripten, we always give control back to main caller or pthread
#ifndef GPAC_CONFIG_EMSCRIPTEN
GF_Semaphore *sem = main ? fsess->semaphore_main : fsess->semaphore_other;
if (sem) {
if (notify) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_SCHEDULER, ("Thread %u notify scheduler %s semaphore\n", gf_th_id(), main ? "main" : "secondary"));
if ( ! gf_sema_notify(sem, 1)) {
GF_LOG(GF_LOG_ERROR, GF_LOG_SCHEDULER, ("Cannot notify scheduler of new task, semaphore failure\n"));
}
} else {
u32 nb_tasks;
//if not main and no tasks in main list, this could be the last task to process.
//if main thread is sleeping force a wake to take further actions (only the main thread decides the exit)
//this also ensures that the main thread will process tasks from secondary task lists if no
//dedicated main thread tasks are present (eg no GL filters)
if (!main && fsess->in_main_sem_wait && !gf_fq_count(fsess->main_thread_tasks)) {
gf_fs_sema_io(fsess, GF_TRUE, GF_TRUE);
}
nb_tasks = 1;
//no active threads, count number of tasks. If no posted tasks we are likely at the end of the session, don't block, rather use a sem_wait
if (!fsess->active_threads)
nb_tasks = gf_fq_count(fsess->main_thread_tasks) + gf_fq_count(fsess->tasks);
//if main semaphore, keep track that we are going to sleep
if (main) {
fsess->in_main_sem_wait = GF_TRUE;
if (!nb_tasks) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_SCHEDULER, ("No tasks scheduled, waiting on main semaphore for at most 100 ms\n"));
if (gf_sema_wait_for(sem, 100)) {
}
} else {
if (gf_sema_wait(sem)) {
}
}
fsess->in_main_sem_wait = GF_FALSE;
} else {
if (!nb_tasks) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_SCHEDULER, ("No tasks scheduled, waiting on secondary semaphore for at most 100 ms\n"));
if (gf_sema_wait_for(sem, 100)) {
}
} else {
if (gf_sema_wait(sem)) {
}
}
}
}
}
#endif // GPAC_CONFIG_EMSCRIPTEN
}
GF_EXPORT
void gf_fs_add_filter_register(GF_FilterSession *fsess, const GF_FilterRegister *freg)
{
if (!freg) return;
if (!fsess) {
if (freg->register_free) freg->register_free(fsess, (GF_FilterRegister *)freg);
return;
}
if (!freg->name) {
GF_LOG(GF_LOG_ERROR, GF_LOG_FILTER, ("Filter missing name - ignoring\n"));
if (freg->register_free) freg->register_free(fsess, (GF_FilterRegister *)freg);
return;
}
#if 0
if (strchr(freg->name, fsess->sep_args) ) {
GF_LOG(GF_LOG_ERROR, GF_LOG_FILTER, ("Filter name cannot contain argument separator %c - ignoring\n", fsess->sep_args));
if (freg->register_free) freg->register_free(fsess, (GF_FilterRegister *)freg);
return;
}
if (strchr(freg->name, fsess->sep_name)) {
GF_LOG(GF_LOG_ERROR, GF_LOG_FILTER, ("Filter name cannot contain argument value separator %c - ignoring\n", fsess->sep_name));
if (freg->register_free) freg->register_free(fsess, (GF_FilterRegister *)freg);
return;
}
#endif
if (!freg->process) {
GF_LOG(GF_LOG_ERROR, GF_LOG_FILTER, ("Filter %s missing process function - ignoring\n", freg->name));
if (freg->register_free) freg->register_free(fsess, (GF_FilterRegister *)freg);
return;
}
//except for meta filters, don't accept a filter with input caps but no output caps
//meta filters do follow the same rule, however when expanding them for help we may have weird cases
//where no config is set but inputs are listed to expose mime types or extensions (cf ffdmx)
if (!(freg->flags & GF_FS_REG_META)
&& !freg->configure_pid
&& gf_filter_has_in_caps(freg->caps, freg->nb_caps)
) {
GF_LOG(GF_LOG_ERROR, GF_LOG_FILTER, ("Filter %s missing configure_pid function but has input capabilities - ignoring\n", freg->name));
if (freg->register_free) freg->register_free(fsess, (GF_FilterRegister *)freg);
return;
}
gf_mx_p(fsess->filters_mx);
gf_list_add(fsess->registry, (void *) freg);
gf_mx_v(fsess->filters_mx);
if (fsess->init_done && fsess->links && gf_list_count( fsess->links)) {
gf_filter_sess_build_graph(fsess, freg);
}
}
static Bool fs_default_event_proc(void *ptr, GF_Event *evt)
{
GF_FilterSession *fs = (GF_FilterSession *)ptr;
if (evt->type==GF_EVENT_QUIT) {
gf_fs_abort(fs, (evt->message.error) ? GF_FS_FLUSH_NONE : GF_FS_FLUSH_FAST);
}
if (evt->type==GF_EVENT_MESSAGE) {
if (evt->message.error) {
if (evt->message.service) {
GF_LOG(GF_LOG_ERROR, GF_LOG_MEDIA, ("Service %s %s: %s\n", evt->message.service, evt->message.message, gf_error_to_string(evt->message.error) ))
} else {
GF_LOG(GF_LOG_ERROR, GF_LOG_MEDIA, ("%s: %s\n", evt->message.message, gf_error_to_string(evt->message.error) ))
}
}
}
#ifdef GPAC_HAS_QJS
if (fs->on_evt_task && jsfs_on_event(fs, evt))
return GF_TRUE;
#endif
if (evt->type==GF_EVENT_AUTHORIZATION) {
#ifdef GPAC_HAS_QJS
if (fs->on_auth_task && jsfs_on_auth(fs, evt))
return GF_TRUE;
#endif
if (gf_sys_is_test_mode()) {
return GF_FALSE;
}
if (!evt->auth.user || !evt->auth.password || !evt->auth.site_url)
return GF_FALSE;
fprintf(stderr, "**** Authorization required for site %s %s ****\n", evt->auth.site_url, evt->auth.secure ? "(secure)" : "- NOT SECURE");
fprintf(stderr, "login : ");
if (!gf_read_line_input(evt->auth.user, 50, 1))
return GF_FALSE;
fprintf(stderr, "\npassword: ");
if (!gf_read_line_input(evt->auth.password, 50, 0))
return GF_FALSE;
fprintf(stderr, "*********\n");
if (evt->auth.on_usr_pass) {
evt->auth.on_usr_pass(evt->auth.async_usr_data, evt->auth.user, evt->auth.password, GF_FALSE);
evt->auth.password[0] = 0;
}
return GF_TRUE;
}
return GF_FALSE;
}
#ifdef GF_FS_ENABLE_LOCALES
static Bool fs_check_locales(void *__self, const char *locales_parent_path, const char *rel_path, char *relocated_path, char *localized_rel_path);
#endif
#ifdef __EMSCRIPTEN_PTHREADS__
#include <emscripten/threading.h>
#endif
GF_EXPORT
GF_FilterSession *gf_fs_new(s32 nb_threads, GF_FilterSchedulerType sched_type, GF_FilterSessionFlags flags, const char *blacklist)
{
const char *opt;
Bool gf_sys_has_filter_global_args();
Bool gf_sys_has_filter_global_meta_args();
u32 i;
GF_FilterSession *fsess, *a_sess;
//safety check: all built-in properties shall have unique 4CCs
if (gf_sys_is_test_mode() && ! gf_props_4cc_check_props())
return NULL;
GF_SAFEALLOC(fsess, GF_FilterSession);
if (!fsess) {
GF_LOG(GF_LOG_ERROR, GF_LOG_FILTER, ("Failed to alloc media session\n"));
return NULL;
}
//reverse implicit mode flag, we run by default in this mode
if (flags & GF_FS_FLAG_NO_IMPLICIT)
flags &= ~GF_FS_FLAG_IMPLICIT_MODE;
else
flags |= GF_FS_FLAG_IMPLICIT_MODE;
fsess->flags = flags;
if (gf_opts_get_bool("core", "no-mx"))
nb_threads=0;
#ifdef __EMSCRIPTEN_PTHREADS__
//detect if we run as a worker
if (!emscripten_is_main_runtime_thread()) {
fsess->is_worker = GF_TRUE;
GF_LOG(GF_LOG_INFO, GF_LOG_FILTER, ("Session running in worker mode\n"));
}
#endif
fsess->filters = gf_list_new();
fsess->main_th.fsess = fsess;
if ((s32) nb_threads == -1) {
GF_SystemRTInfo rti;
memset(&rti, 0, sizeof(GF_SystemRTInfo));
if (gf_sys_get_rti(0, &rti, 0)) {
nb_threads = rti.nb_cores-1;
}
if ((s32)nb_threads<0) {
GF_LOG(GF_LOG_WARNING, GF_LOG_FILTER, ("Failed to query number of cores, disabling extra threads for session\n"));
nb_threads=0;
}
}
if (sched_type==GF_FS_SCHEDULER_DIRECT) {
fsess->direct_mode = GF_TRUE;
nb_threads=0;
}
if (nb_threads && (sched_type != GF_FS_SCHEDULER_LOCK_FREE_X)) {
fsess->tasks_mx = gf_mx_new("TasksList");
}
//regardless of scheduler type, we don't use lock on the main task list
fsess->tasks = gf_fq_new(fsess->tasks_mx);
if (nb_threads>0) {
fsess->main_thread_tasks = gf_fq_new(fsess->tasks_mx);
fsess->filters_mx = gf_mx_new("Filters");
} else {
//otherwise use the same as the global task list
fsess->main_thread_tasks = fsess->tasks;
}
if (!(flags & GF_FS_FLAG_NO_RESERVOIR)) {
fsess->tasks_reservoir = gf_fq_new(fsess->tasks_mx);
}
if (nb_threads || (sched_type==GF_FS_SCHEDULER_LOCK_FORCE) ) {
fsess->semaphore_main = fsess->semaphore_other = gf_sema_new(GF_INT_MAX, 0);
if (nb_threads>0)
fsess->semaphore_other = gf_sema_new(GF_INT_MAX, 0);
//force testing of mutex queues
//fsess->use_locks = GF_TRUE;
}
fsess->ui_event_proc = fs_default_event_proc;
fsess->ui_opaque = fsess;
if (flags & GF_FS_FLAG_NON_BLOCKING) {
fsess->non_blocking = 1;
GF_LOG(GF_LOG_DEBUG, GF_LOG_FILTER, ("Creating session in non-blocking mode\n"));
} else {
GF_LOG(GF_LOG_DEBUG, GF_LOG_FILTER, ("Creating session in blocking mode\n"));
}
if (!fsess->semaphore_main)
nb_threads=0;
#ifndef GPAC_DISABLE_THREADS
if (nb_threads) {
fsess->threads = gf_list_new();
if (!fsess->threads) {
gf_sema_del(fsess->semaphore_main);
fsess->semaphore_main=NULL;
gf_sema_del(fsess->semaphore_other);
fsess->semaphore_other=NULL;
nb_threads=0;
}
fsess->use_locks = (sched_type==GF_FS_SCHEDULER_LOCK) ? GF_TRUE : GF_FALSE;
} else
#endif
{
#ifdef GPAC_MEMORY_TRACKING
extern int gf_mem_track_enabled;
fsess->check_allocs = gf_mem_track_enabled;
#endif
}
if (fsess->use_locks)
fsess->props_mx = gf_mx_new("FilterSessionProps");
if (!(flags & GF_FS_FLAG_NO_RESERVOIR)) {
#if GF_PROPS_HASHTABLE_SIZE
fsess->prop_maps_list_reservoir = gf_fq_new(fsess->props_mx);
#endif
fsess->prop_maps_reservoir = gf_fq_new(fsess->props_mx);
fsess->prop_maps_entry_reservoir = gf_fq_new(fsess->props_mx);
fsess->prop_maps_entry_data_alloc_reservoir = gf_fq_new(fsess->props_mx);
//we also use the props mutex for the this one
fsess->pcks_refprops_reservoir = gf_fq_new(fsess->props_mx);
}
#ifndef GPAC_DISABLE_REMOTERY
sprintf(fsess->main_th.rmt_name, "FSThread0");
#endif
if (!fsess->filters || !fsess->tasks) {
GF_LOG(GF_LOG_ERROR, GF_LOG_FILTER, ("Failed to alloc media session\n"));
fsess->run_status = GF_OUT_OF_MEM;
gf_fs_del(fsess);
return NULL;
}
if (nb_threads) {
fsess->info_mx = gf_mx_new("FilterSessionInfo");
fsess->ui_mx = gf_mx_new("FilterSessionUIProc");
}
#ifndef GPAC_DISABLE_THREADS
for (i=0; i<(u32) nb_threads; i++) {
char szName[30];
GF_SessionThread *sess_thread;
GF_SAFEALLOC(sess_thread, GF_SessionThread);
if (!sess_thread) continue;
#ifndef GPAC_DISABLE_REMOTERY
sprintf(sess_thread->rmt_name, "FSThread%d", i+1);
#endif
sprintf(szName, "gf_fs_th_%d", i+1);
sess_thread->th = gf_th_new(szName);
if (!sess_thread->th) {
gf_free(sess_thread);
continue;
}
sess_thread->fsess = fsess;
gf_list_add(fsess->threads, sess_thread);
}
#endif
gf_fs_set_separators(fsess, NULL);
fsess->registry = gf_list_new();
#ifdef GPAC_HAS_QJS
//keep copy of blacklist for JS
fsess->blacklist = blacklist ? gf_strdup(blacklist) : NULL;
#else
fsess->blacklist = (char*)blacklist;
#endif
a_sess = (flags & GF_FS_FLAG_LOAD_META) ? fsess : NULL;
gf_fs_reg_all(fsess, a_sess);
#ifndef GPAC_HAS_QJS
fsess->blacklist = NULL;
#endif
//todo - find a way to handle events without mutex ...
fsess->evt_mx = gf_mx_new("Event mutex");
fsess->blocking_mode = GF_FS_BLOCK_ALL;
opt = gf_opts_get_key("core", "no-block");
if (opt) {
if (!strcmp(opt, "fanout")) {
fsess->blocking_mode = GF_FS_NOBLOCK_FANOUT;
}
else if (!strcmp(opt, "all")) {
fsess->blocking_mode = GF_FS_NOBLOCK;
}
}
fsess->run_status = GF_EOS;
fsess->nb_threads_stopped = 1+nb_threads;
fsess->default_pid_buffer_max_us = gf_opts_get_int("core", "buffer-gen");
fsess->decoder_pid_buffer_max_us = gf_opts_get_int("core", "buffer-dec");
fsess->default_pid_buffer_max_units = gf_opts_get_int("core", "buffer-units");
fsess->max_resolve_chain_len = 6;
fsess->auto_inc_nums = gf_list_new();
if (nb_threads)
fsess->links_mx = gf_mx_new("FilterRegistryGraph");
fsess->links = gf_list_new();
#ifndef GPAC_DISABLE_3D
fsess->gl_providers = gf_list_new();
#endif
if (! (fsess->flags & GF_FS_FLAG_NO_GRAPH_CACHE))
gf_filter_sess_build_graph(fsess, NULL);
fsess->init_done = GF_TRUE;
//parse all global filter options for argument tracking
if (gf_sys_has_filter_global_args() || gf_sys_has_filter_global_meta_args()) {
u32 nb_args = gf_sys_get_argc();
for (i=0; i<nb_args; i++) {
char *arg = (char *)gf_sys_get_arg(i);
if (arg[0]!='-') continue;
if ((arg[1]!='-') && (arg[1]!='+')) continue;
char *sep = strchr(arg, '=');
if (sep) sep[0] = 0;
gf_fs_push_arg(fsess, arg+2, GF_FALSE, (arg[1]=='-') ? GF_ARGTYPE_GLOBAL : GF_ARGTYPE_META, NULL, NULL);
//force indexing in reframers when dash template with bandwidth is used
if (sep && !strcmp(arg+2, "template") && strstr(sep+1, "$Bandwidth$")) {
gf_opts_set_key("temp", "force_indexing", "true");
}
if (sep) sep[0] = '=';
}
}
#ifdef GF_FS_ENABLE_LOCALES
fsess->uri_relocators = gf_list_new();
fsess->locales.relocate_uri = fs_check_locales;
fsess->locales.sess = fsess;
gf_list_add(fsess->uri_relocators, &fsess->locales);
#endif
return fsess;
}
void gf_fs_push_arg(GF_FilterSession *session, const char *szArg, Bool was_found, GF_FSArgItemType type, GF_Filter *meta_filter, const char *sub_opt_name)
{
u32 meta_len = meta_filter ? (u32) strlen(meta_filter->freg->name) : 0;
Bool create_if_not_found = GF_TRUE;
if (session->flags & GF_FS_FLAG_NO_ARG_CHECK)
return;
//ignore any meta argument reported (found or not) that is not already present
//if sub_opt_name, we must create an entry
if (!sub_opt_name && (type==GF_ARGTYPE_META_REPORTING)) {
create_if_not_found = GF_FALSE;
}
if (!session->parsed_args) session->parsed_args = gf_list_new();
u32 k, acount = gf_list_count(session->parsed_args);
GF_FSArgItem *ai=NULL;
for (k=0; k<acount; k++) {
ai = gf_list_get(session->parsed_args, k);
if (!strcmp(ai->argname, szArg))
break;
if (meta_len
&& !strncmp(ai->argname, meta_filter->freg->name, meta_len)
&& ((ai->argname[meta_len]==':') || (ai->argname[meta_len]=='@'))
&& !strcmp(ai->argname+meta_len+1, szArg)
) {
break;
}
ai = NULL;
}
if (!ai && create_if_not_found) {
GF_SAFEALLOC(ai, GF_FSArgItem);
if (ai) {
ai->argname = gf_strdup(szArg);
ai->type = type;
if ((type==GF_ARGTYPE_META_REPORTING) && meta_filter) {
ai->meta_filter = meta_filter->freg->name;
ai->meta_opt = sub_opt_name;
}
gf_list_add(session->parsed_args, ai );
}
}
if (!ai) return;
if (type==GF_ARGTYPE_META_REPORTING) {
//meta option declared as true by default at init but notified as not found
if (ai->meta_state==3) {
ai->meta_state = 0;
if (!was_found) ai->opt_found = 0;
}
if (!ai->meta_state) {
ai->opt_found = 0;
ai->meta_state = 1;
if (!ai->meta_filter) {
ai->meta_filter = meta_filter->freg->name;
ai->meta_opt = sub_opt_name;
}
}
if (was_found)
ai->meta_state = 2;
} else if (was_found && (!ai->meta_state || !meta_filter) ) {
ai->opt_found = 1;
//initial declaration from filter setup: meta args are declared as true by default
if (type==GF_ARGTYPE_LOCAL) {
//forbid further meta state change
ai->meta_state = 1;
//meta option, mark as not found
if (meta_filter) ai->meta_state = 3;
else ai->meta_filter = NULL;
}
}
}
GF_EXPORT
GF_FilterSession *gf_fs_new_defaults(GF_FilterSessionFlags inflags)
{
GF_FilterSession *fsess;
GF_FilterSchedulerType sched_type = GF_FS_SCHEDULER_LOCK_FREE;
u32 flags = 0;
s32 nb_threads = gf_opts_get_int("core", "threads");
const char *blacklist = gf_opts_get_key("core", "blacklist");
const char *opt = gf_opts_get_key("core", "sched");
if (!opt) sched_type = GF_FS_SCHEDULER_LOCK_FREE;
else if (!strcmp(opt, "lock")) sched_type = GF_FS_SCHEDULER_LOCK;
else if (!strcmp(opt, "flock")) sched_type = GF_FS_SCHEDULER_LOCK_FORCE;
else if (!strcmp(opt, "direct")) sched_type = GF_FS_SCHEDULER_DIRECT;
else if (!strcmp(opt, "free")) sched_type = GF_FS_SCHEDULER_LOCK_FREE;
else if (!strcmp(opt, "freex")) sched_type = GF_FS_SCHEDULER_LOCK_FREE_X;
else {
GF_LOG(GF_LOG_ERROR, GF_LOG_FILTER, ("Unrecognized scheduler type %s\n", opt));
return NULL;
}
if (inflags & GF_FS_FLAG_LOAD_META)
flags |= GF_FS_FLAG_LOAD_META;
if (inflags & GF_FS_FLAG_NON_BLOCKING)
flags |= GF_FS_FLAG_NON_BLOCKING;
if (inflags & GF_FS_FLAG_NO_GRAPH_CACHE)
flags |= GF_FS_FLAG_NO_GRAPH_CACHE;
if (inflags & GF_FS_FLAG_PRINT_CONNECTIONS)
flags |= GF_FS_FLAG_PRINT_CONNECTIONS;
if (inflags & GF_FS_FLAG_NO_IMPLICIT)
flags |= GF_FS_FLAG_NO_IMPLICIT;
if (inflags & GF_FS_FLAG_REQUIRE_SOURCE_ID)
flags |= GF_FS_FLAG_REQUIRE_SOURCE_ID;
if (inflags & GF_FS_FLAG_FORCE_DEFER_LINK)
flags |= GF_FS_FLAG_FORCE_DEFER_LINK;
if (inflags & GF_FS_FLAG_PREVENT_PLAY)
flags |= GF_FS_FLAG_PREVENT_PLAY;
if (gf_opts_get_bool("core", "dbg-edges"))
flags |= GF_FS_FLAG_PRINT_CONNECTIONS;
if (gf_opts_get_bool("core", "full-link"))
flags |= GF_FS_FLAG_FULL_LINK;
if (gf_opts_get_bool("core", "no-reg"))
flags |= GF_FS_FLAG_NO_REGULATION;
if (gf_opts_get_bool("core", "no-reassign"))
flags |= GF_FS_FLAG_NO_REASSIGN;
if (gf_opts_get_bool("core", "no-graph-cache"))
flags |= GF_FS_FLAG_NO_GRAPH_CACHE;
if (gf_opts_get_bool("core", "no-probe"))
flags |= GF_FS_FLAG_NO_PROBE;
else if (inflags & GF_FS_FLAG_NO_PROBE)
flags |= GF_FS_FLAG_NO_PROBE;
if (gf_opts_get_bool("core", "no-argchk"))
flags |= GF_FS_FLAG_NO_ARG_CHECK;
if (gf_opts_get_bool("core", "no-reservoir"))
flags |= GF_FS_FLAG_NO_RESERVOIR;
fsess = gf_fs_new(nb_threads, sched_type, flags, blacklist);
if (!fsess) return NULL;
gf_fs_set_max_resolution_chain_length(fsess, gf_opts_get_int("core", "max-chain") );
gf_fs_set_max_sleep_time(fsess, gf_opts_get_int("core", "max-sleep") );
opt = gf_opts_get_key("core", "seps");
if (opt)
gf_fs_set_separators(fsess, opt);
return fsess;
}
GF_EXPORT
GF_Err gf_fs_set_separators(GF_FilterSession *session, const char *separator_set)
{
if (!session) return GF_BAD_PARAM;
if (separator_set && (strlen(separator_set)<5)) return GF_BAD_PARAM;
if (separator_set) {
session->sep_args = separator_set[0];
session->sep_name = separator_set[1];
session->sep_frag = separator_set[2];
session->sep_list = separator_set[3];
session->sep_neg = separator_set[4];
} else {
session->sep_args = ':';
session->sep_name = '=';
session->sep_frag = '#';
session->sep_list = ',';
session->sep_neg = '!';
}
return GF_OK;
}
GF_EXPORT
GF_Err gf_fs_set_max_resolution_chain_length(GF_FilterSession *session, u32 max_chain_length)
{
if (!session) return GF_BAD_PARAM;
session->max_resolve_chain_len = max_chain_length;
return GF_OK;
}
GF_EXPORT
GF_Err gf_fs_set_max_sleep_time(GF_FilterSession *session, u32 max_sleep)
{
if (!session) return GF_BAD_PARAM;
session->max_sleep = max_sleep;
return GF_OK;
}
GF_EXPORT
u32 gf_fs_get_max_resolution_chain_length(GF_FilterSession *session)
{
if (!session) return 0;
return session->max_resolve_chain_len;
}
GF_EXPORT
void gf_fs_remove_filter_register(GF_FilterSession *session, GF_FilterRegister *freg)
{
if (!session || !freg) return;
gf_mx_p(session->filters_mx);
gf_list_del_item(session->registry, freg);
gf_mx_v(session->filters_mx);
gf_filter_sess_reset_graph(session, freg);
}
GF_EXPORT
void gf_fs_set_ui_callback(GF_FilterSession *fs, Bool (*ui_event_proc)(void *opaque, GF_Event *event), void *cbk_udta)
{
if (fs) {
fs->ui_event_proc = ui_event_proc;
fs->ui_opaque = cbk_udta;
if (!fs->ui_event_proc) {
fs->ui_event_proc = fs_default_event_proc;
fs->ui_opaque = fs;
}
}
}
void gf_propalloc_del(void *it)
{
GF_PropertyEntry *pe = (GF_PropertyEntry *)it;
if (pe->prop.value.data.ptr) gf_free(pe->prop.value.data.ptr);
gf_free(pe);
}
GF_EXPORT
Bool gf_fs_enum_unmapped_options(GF_FilterSession *fsess, u32 *idx, const char **argname, u32 *argtype, const char **meta_filter, const char **meta_sub_opt)
{
if (!fsess || !fsess->parsed_args) return GF_FALSE;
u32 i, count = gf_list_count(fsess->parsed_args);
for (i=*idx; i<count; i++) {
GF_FSArgItem *ai = gf_list_get(fsess->parsed_args, i);
(*idx)++;
if (ai->opt_found || (ai->meta_state==2)) continue;
if (argname) *argname = ai->argname;
if (argtype) *argtype = ai->type;
if (meta_filter) *meta_filter = ai->meta_filter;
if (meta_sub_opt) *meta_sub_opt = ai->meta_opt;
return GF_TRUE;
}
return GF_FALSE;
}
void task_canceled(GF_FSTask *task);
static void gf_task_del(void *p)
{
GF_FSTask *t = (GF_FSTask *) p;
task_canceled(t);
gf_free(p);
}
GF_EXPORT
void gf_fs_del(GF_FilterSession *fsess)
{
gf_assert(fsess);
gf_fs_stop(fsess);
GF_LOG(GF_LOG_DEBUG, GF_LOG_FILTER, ("Session destroy begin\n"));
if (fsess->parsed_args) {
while (gf_list_count(fsess->parsed_args)) {
GF_FSArgItem *ai = gf_list_pop_back(fsess->parsed_args);
gf_free(ai->argname);
gf_free(ai);
}
gf_list_del(fsess->parsed_args);
}
//temporary until we don't introduce fsess_stop
gf_assert(fsess->run_status != GF_OK);
if (fsess->filters) {
u32 i, pass, count=gf_list_count(fsess->filters);
//first pass: disconnect all filters, since some may have references to property maps or packets
for (i=0; i<count; i++) {
u32 j;
GF_Filter *filter = gf_list_get(fsess->filters, i);
filter->process_th_id = 0;
filter->scheduled_for_next_task = GF_TRUE;
if (filter->detached_pid_inst) {
while (gf_list_count(filter->detached_pid_inst)) {
GF_FilterPidInst *pidi = gf_list_pop_front(filter->detached_pid_inst);
gf_filter_pid_inst_del(pidi);
}
gf_list_del(filter->detached_pid_inst);
filter->detached_pid_inst = NULL;
}
if (filter->postponed_packets) {
while (gf_list_count(filter->postponed_packets)) {
GF_FilterPacket *pck = gf_list_pop_front(filter->postponed_packets);
gf_filter_packet_destroy(pck);
}
gf_list_del(filter->postponed_packets);
filter->postponed_packets = NULL;
}
gf_mx_p(filter->tasks_mx);
for (j=0; j<filter->num_input_pids; j++) {
GF_FilterPidInst *pidi = gf_list_get(filter->input_pids, j);
gf_filter_pid_inst_reset(pidi);
}
gf_mx_v(filter->tasks_mx);
filter->scheduled_for_next_task = GF_FALSE;
}
//second pass, finalize all
for (pass=0; pass<2; pass++) {
Bool has_scripts = GF_FALSE;
for (i=0; i<count; i++) {
GF_Filter *filter = gf_list_get(fsess->filters, i);
if (!pass && (filter->freg->flags & GF_FS_REG_SCRIPT)) {
has_scripts = GF_TRUE;
continue;
}
if (filter->freg->finalize && !filter->finalized) {
filter->finalized = GF_TRUE;
FSESS_CHECK_THREAD(filter)
filter->freg->finalize(filter);
}
}
if (!has_scripts) break;
}
while (gf_list_count(fsess->filters)) {
GF_Filter *filter = gf_list_pop_back(fsess->filters);
gf_filter_del(filter);
}
gf_list_del(fsess->filters);
fsess->filters = NULL;
}
gf_fs_unload_script(fsess, NULL);
#ifdef GPAC_USE_DOWNLOADER
if (fsess->download_manager) gf_dm_del(fsess->download_manager);
#endif
#ifndef GPAC_DISABLE_FONTS
if (fsess->font_manager) gf_font_manager_del(fsess->font_manager);
#endif
if (fsess->registry) {
while (gf_list_count(fsess->registry)) {
GF_FilterRegister *freg = gf_list_pop_back(fsess->registry);
if (freg->register_free) freg->register_free(fsess, freg);
}
gf_list_del(fsess->registry);
}
if (fsess->tasks)
gf_fq_del(fsess->tasks, gf_task_del);
if (fsess->tasks_reservoir)
gf_fq_del(fsess->tasks_reservoir, gf_void_del);
#ifndef GPAC_DISABLE_THREADS
if (fsess->threads) {
if (fsess->main_thread_tasks)
gf_fq_del(fsess->main_thread_tasks, gf_task_del);
while (gf_list_count(fsess->threads)) {
GF_SessionThread *sess_th = gf_list_pop_back(fsess->threads);
gf_th_del(sess_th->th);
gf_free(sess_th);
}
gf_list_del(fsess->threads);
}
#endif
if (fsess->prop_maps_reservoir)
gf_fq_del(fsess->prop_maps_reservoir, gf_propmap_del);
#if GF_PROPS_HASHTABLE_SIZE
if (fsess->prop_maps_list_reservoir)
gf_fq_del(fsess->prop_maps_list_reservoir, (gf_destruct_fun) gf_list_del);
#endif
if (fsess->prop_maps_entry_reservoir)
gf_fq_del(fsess->prop_maps_entry_reservoir, gf_void_del);
if (fsess->prop_maps_entry_data_alloc_reservoir)
gf_fq_del(fsess->prop_maps_entry_data_alloc_reservoir, gf_propalloc_del);
if (fsess->pcks_refprops_reservoir)
gf_fq_del(fsess->pcks_refprops_reservoir, gf_void_del);
if (fsess->props_mx)
gf_mx_del(fsess->props_mx);
if (fsess->info_mx)
gf_mx_del(fsess->info_mx);
if (fsess->ui_mx)
gf_mx_del(fsess->ui_mx);
if (fsess->semaphore_other && (fsess->semaphore_other != fsess->semaphore_main) )
gf_sema_del(fsess->semaphore_other);
if (fsess->semaphore_main)
gf_sema_del(fsess->semaphore_main);
if (fsess->tasks_mx)
gf_mx_del(fsess->tasks_mx);
if (fsess->filters_mx)
gf_mx_del(fsess->filters_mx);
if (fsess->evt_mx) gf_mx_del(fsess->evt_mx);
if (fsess->event_listeners) gf_list_del(fsess->event_listeners);
if (fsess->links) {
gf_filter_sess_reset_graph(fsess, NULL);
gf_list_del(fsess->links);
}
if (fsess->links_mx) gf_mx_del(fsess->links_mx);
#ifndef GPAC_DISABLE_3D
gf_list_del(fsess->gl_providers);
if (fsess->gl_driver) {
fsess->gl_driver->Shutdown(fsess->gl_driver);
gf_modules_close_interface((GF_BaseInterface *)fsess->gl_driver);
}
#endif
if (fsess->auto_inc_nums) {
while(gf_list_count(fsess->auto_inc_nums)) {
GF_FSAutoIncNum *aint = gf_list_pop_back(fsess->auto_inc_nums);
gf_free(aint);
}
gf_list_del(fsess->auto_inc_nums);
}
#ifdef GF_FS_ENABLE_LOCALES
if (fsess->uri_relocators) gf_list_del(fsess->uri_relocators);
if (fsess->locales.szAbsRelocatedPath) gf_free(fsess->locales.szAbsRelocatedPath);
#endif
if (fsess->blacklist) gf_free(fsess->blacklist);
gf_free(fsess);
GF_LOG(GF_LOG_DEBUG, GF_LOG_FILTER, ("Session destroyed\n"));
}
GF_EXPORT
u32 gf_fs_filters_registers_count(GF_FilterSession *fsess)
{
return fsess ? gf_list_count(fsess->registry) : 0;
}
GF_EXPORT
const GF_FilterRegister * gf_fs_get_filter_register(GF_FilterSession *fsess, u32 idx)
{
return gf_list_get(fsess->registry, idx);
}
#ifdef CHECK_TASK_LIST_INTEGRITY
static void check_task_list_enum(void *udta, void *item)
{
gf_fatal_assert(udta != item);
}
static void check_task_list(GF_FilterQueue *fq, GF_FSTask *task)
{
if (fq) {
gf_fq_enum(fq, check_task_list_enum, task);
}
}
#endif
void gf_fs_post_task_ex(GF_FilterSession *fsess, gf_fs_task_callback task_fun, GF_Filter *filter, GF_FilterPid *pid, const char *log_name, void *udta, Bool is_configure, Bool force_main_thread, Bool force_direct_call, GF_TaskClassType class_type)
{
GF_FSTask *task;
Bool notified = GF_FALSE;
gf_assert(fsess);
gf_assert(task_fun);
//only flatten calls if in main thread (we still have some broken filters using threading that could trigger tasks)
if ((force_direct_call || fsess->direct_mode)
&& (!filter || !filter->in_process)
&& fsess->tasks_in_process
&& (gf_th_id()==fsess->main_th.th_id)
) {
GF_FSTask atask;
u64 task_time = gf_sys_clock_high_res();
memset(&atask, 0, sizeof(GF_FSTask));
atask.filter = filter;
atask.pid = pid;
atask.run_task = task_fun;
atask.log_name = log_name;
atask.udta = udta;
GF_LOG(GF_LOG_DEBUG, GF_LOG_SCHEDULER, ("Thread 0 task#%d %p executing Filter %s::%s (%d tasks pending)\n", fsess->main_th.nb_tasks, &atask, filter ? filter->name : "none", log_name, fsess->tasks_pending));
if (filter)
filter->scheduled_for_next_task = GF_TRUE;
task_fun(&atask);
filter = atask.filter;
if (filter) {
filter->time_process += gf_sys_clock_high_res() - task_time;
filter->scheduled_for_next_task = GF_FALSE;
filter->nb_tasks_done++;
}
if (!atask.requeue_request)
return;
//asked to requeue the task, post it
}
/*this was a gf_filter_process_task request but direct call could not be done or requeue is requested.
process_task_queued was incremented by caller without checking for existing process task
- If the task was not treated, dec / inc will give the same state, undo process_task_queued increment
- If the task was requeued, dec will undo the increment done when requeing the task in gf_filter_check_pending_tasks
In both cases, inc will redo the same logic as in gf_filter_post_process_task_internal, not creating task if gf_filter_process_task is
already scheduled for the filter
We must use safe_int_dec/safe_int_inc here for multi thread cases - cf issue #1778
*/
if (force_direct_call) {
gf_assert(filter);
safe_int_dec(&filter->process_task_queued);
if (safe_int_inc(&filter->process_task_queued) > 1) {
return;
}
}
task = gf_fq_pop(fsess->tasks_reservoir);
if (!task) {
task = gf_malloc(sizeof(GF_FSTask));
if (!task) {
GF_LOG(GF_LOG_ERROR, GF_LOG_SCHEDULER, ("No more memory to post new task\n"));
return;
}
}
memset(task, 0, sizeof(GF_FSTask));
task->filter = filter;
task->pid = pid;
task->run_task = task_fun;
task->log_name = log_name;
task->udta = udta;
task->class_type = class_type;