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mpv/options/m_config_frontend.c
Kacper Michajłow 174df99ffa ALL: use new mp_thread abstraction
2023-11-05 17:36:17 +00:00

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/*
* This file is part of mpv.
*
* mpv 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 2.1 of the License, or (at your option) any later version.
*
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include <errno.h>
#include <float.h>
#include <stdatomic.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "libmpv/client.h"
#include "common/common.h"
#include "common/global.h"
#include "common/msg_control.h"
#include "common/msg.h"
#include "m_config_frontend.h"
#include "m_config.h"
#include "misc/dispatch.h"
#include "misc/node.h"
#include "options/m_option.h"
#include "osdep/threads.h"
extern const char mp_help_text[];
// Profiles allow to predefine some sets of options that can then
// be applied later on with the internal -profile option.
#define MAX_PROFILE_DEPTH 20
// Maximal include depth.
#define MAX_RECURSION_DEPTH 8
struct m_profile {
struct m_profile *next;
char *name;
char *desc;
char *cond;
int restore_mode;
int num_opts;
// Option/value pair array.
// name,value = opts[n*2+0],opts[n*2+1]
char **opts;
// For profile restoring.
struct m_opt_backup *backups;
};
// In the file local case, this contains the old global value.
// It's also used for profile restoring.
struct m_opt_backup {
struct m_opt_backup *next;
struct m_config_option *co;
int flags;
void *backup, *nval;
};
static const struct m_option profile_restore_mode_opt = {
.name = "profile-restore",
.type = &m_option_type_choice,
M_CHOICES({"default", 0}, {"copy", 1}, {"copy-equal", 2}),
};
static void list_profiles(struct m_config *config)
{
MP_INFO(config, "Available profiles:\n");
for (struct m_profile *p = config->profiles; p; p = p->next)
MP_INFO(config, "\t%s\t%s\n", p->name, p->desc ? p->desc : "");
MP_INFO(config, "\n");
}
static int show_profile(struct m_config *config, bstr param)
{
struct m_profile *p;
if (!param.len) {
list_profiles(config);
return M_OPT_EXIT;
}
if (!(p = m_config_get_profile(config, param))) {
MP_ERR(config, "Unknown profile '%.*s'.\n", BSTR_P(param));
return M_OPT_EXIT;
}
if (!config->profile_depth)
MP_INFO(config, "Profile %s: %s\n", p->name,
p->desc ? p->desc : "");
config->profile_depth++;
if (p->cond) {
MP_INFO(config, "%*sprofile-cond=%s\n", config->profile_depth, "",
p->cond);
}
for (int i = 0; i < p->num_opts; i++) {
MP_INFO(config, "%*s%s=%s\n", config->profile_depth, "",
p->opts[2 * i], p->opts[2 * i + 1]);
if (config->profile_depth < MAX_PROFILE_DEPTH
&& !strcmp(p->opts[2*i], "profile")) {
char *e, *list = p->opts[2 * i + 1];
while ((e = strchr(list, ','))) {
int l = e - list;
if (!l)
continue;
show_profile(config, (bstr){list, e - list});
list = e + 1;
}
if (list[0] != '\0')
show_profile(config, bstr0(list));
}
}
config->profile_depth--;
if (!config->profile_depth)
MP_INFO(config, "\n");
return M_OPT_EXIT;
}
static struct m_config *m_config_from_obj_desc(void *talloc_ctx,
struct mp_log *log,
struct mpv_global *global,
struct m_obj_desc *desc)
{
struct m_sub_options *root = talloc_ptrtype(NULL, root);
*root = (struct m_sub_options){
.opts = desc->options,
// (global == NULL got repurposed to mean "no alloc")
.size = global ? desc->priv_size : 0,
.defaults = desc->priv_defaults,
};
struct m_config *c = m_config_new(talloc_ctx, log, root);
talloc_steal(c, root);
c->global = global;
return c;
}
struct m_config *m_config_from_obj_desc_noalloc(void *talloc_ctx,
struct mp_log *log,
struct m_obj_desc *desc)
{
return m_config_from_obj_desc(talloc_ctx, log, NULL, desc);
}
static int m_config_set_obj_params(struct m_config *config, struct mp_log *log,
struct mpv_global *global,
struct m_obj_desc *desc, char **args)
{
for (int n = 0; args && args[n * 2 + 0]; n++) {
bstr opt = bstr0(args[n * 2 + 0]);
bstr val = bstr0(args[n * 2 + 1]);
if (m_config_set_option_cli(config, opt, val, 0) < 0)
return -1;
}
return 0;
}
struct m_config *m_config_from_obj_desc_and_args(void *ta_parent,
struct mp_log *log, struct mpv_global *global, struct m_obj_desc *desc,
char **args)
{
struct m_config *config = m_config_from_obj_desc(ta_parent, log, global, desc);
if (m_config_set_obj_params(config, log, global, desc, args) < 0)
goto error;
return config;
error:
talloc_free(config);
return NULL;
}
static void backup_dtor(void *p)
{
struct m_opt_backup *bc = p;
m_option_free(bc->co->opt, bc->backup);
if (bc->nval)
m_option_free(bc->co->opt, bc->nval);
}
#define BACKUP_LOCAL 1
#define BACKUP_NVAL 2
static void ensure_backup(struct m_opt_backup **list, int flags,
struct m_config_option *co)
{
if (!co->data)
return;
for (struct m_opt_backup *cur = *list; cur; cur = cur->next) {
if (cur->co->data == co->data) // comparing data ptr catches aliases
return;
}
struct m_opt_backup *bc = talloc_ptrtype(NULL, bc);
talloc_set_destructor(bc, backup_dtor);
*bc = (struct m_opt_backup) {
.co = co,
.backup = talloc_zero_size(bc, co->opt->type->size),
.nval = flags & BACKUP_NVAL
? talloc_zero_size(bc, co->opt->type->size) : NULL,
.flags = flags,
};
m_option_copy(co->opt, bc->backup, co->data);
bc->next = *list;
*list = bc;
if (bc->flags & BACKUP_LOCAL)
co->is_set_locally = true;
}
static void restore_backups(struct m_opt_backup **list, struct m_config *config)
{
while (*list) {
struct m_opt_backup *bc = *list;
*list = bc->next;
if (!bc->nval || m_option_equal(bc->co->opt, bc->co->data, bc->nval))
m_config_set_option_raw(config, bc->co, bc->backup, 0);
if (bc->flags & BACKUP_LOCAL)
bc->co->is_set_locally = false;
talloc_free(bc);
}
}
void m_config_restore_backups(struct m_config *config)
{
restore_backups(&config->backup_opts, config);
}
bool m_config_watch_later_backup_opt_changed(struct m_config *config,
char *opt_name)
{
struct m_config_option *co = m_config_get_co(config, bstr0(opt_name));
if (!co) {
MP_ERR(config, "Option %s not found.\n", opt_name);
return false;
}
for (struct m_opt_backup *bc = config->watch_later_backup_opts; bc;
bc = bc->next) {
if (strcmp(bc->co->name, co->name) == 0) {
struct m_config_option *bc_co = (struct m_config_option *)bc->backup;
return !m_option_equal(co->opt, co->data, bc_co);
}
}
return false;
}
void m_config_backup_opt(struct m_config *config, const char *opt)
{
struct m_config_option *co = m_config_get_co(config, bstr0(opt));
if (co) {
ensure_backup(&config->backup_opts, BACKUP_LOCAL, co);
} else {
MP_ERR(config, "Option %s not found.\n", opt);
}
}
void m_config_backup_all_opts(struct m_config *config)
{
for (int n = 0; n < config->num_opts; n++)
ensure_backup(&config->backup_opts, BACKUP_LOCAL, &config->opts[n]);
}
void m_config_backup_watch_later_opts(struct m_config *config)
{
for (int n = 0; n < config->num_opts; n++)
ensure_backup(&config->watch_later_backup_opts, 0, &config->opts[n]);
}
struct m_config_option *m_config_get_co_raw(const struct m_config *config,
struct bstr name)
{
if (!name.len)
return NULL;
for (int n = 0; n < config->num_opts; n++) {
struct m_config_option *co = &config->opts[n];
struct bstr coname = bstr0(co->name);
if (bstrcmp(coname, name) == 0)
return co;
}
return NULL;
}
// Like m_config_get_co_raw(), but resolve aliases.
static struct m_config_option *m_config_get_co_any(const struct m_config *config,
struct bstr name)
{
struct m_config_option *co = m_config_get_co_raw(config, name);
if (!co)
return NULL;
const char *prefix = config->is_toplevel ? "--" : "";
if (co->opt->type == &m_option_type_alias) {
const char *alias = (const char *)co->opt->priv;
if (co->opt->deprecation_message && !co->warning_was_printed) {
if (co->opt->deprecation_message[0]) {
MP_WARN(config, "Warning: option %s%s was replaced with "
"%s%s: %s\n", prefix, co->name, prefix, alias,
co->opt->deprecation_message);
} else {
MP_WARN(config, "Warning: option %s%s was replaced with "
"%s%s and might be removed in the future.\n",
prefix, co->name, prefix, alias);
}
co->warning_was_printed = true;
}
return m_config_get_co_any(config, bstr0(alias));
} else if (co->opt->type == &m_option_type_removed) {
if (!co->warning_was_printed) {
char *msg = co->opt->priv;
if (msg) {
MP_FATAL(config, "Option %s%s was removed: %s\n",
prefix, co->name, msg);
} else {
MP_FATAL(config, "Option %s%s was removed.\n",
prefix, co->name);
}
co->warning_was_printed = true;
}
return NULL;
} else if (co->opt->deprecation_message) {
if (!co->warning_was_printed) {
MP_WARN(config, "Warning: option %s%s is deprecated "
"and might be removed in the future (%s).\n",
prefix, co->name, co->opt->deprecation_message);
co->warning_was_printed = true;
}
}
return co;
}
struct m_config_option *m_config_get_co(const struct m_config *config,
struct bstr name)
{
struct m_config_option *co = m_config_get_co_any(config, name);
// CLI aliases should not be real options, and are explicitly handled by
// m_config_set_option_cli(). So pretend it does not exist.
if (co && co->opt->type == &m_option_type_cli_alias)
co = NULL;
return co;
}
int m_config_get_co_count(struct m_config *config)
{
return config->num_opts;
}
struct m_config_option *m_config_get_co_index(struct m_config *config, int index)
{
return &config->opts[index];
}
const void *m_config_get_co_default(const struct m_config *config,
struct m_config_option *co)
{
return m_config_shadow_get_opt_default(config->shadow, co->opt_id);
}
const char *m_config_get_positional_option(const struct m_config *config, int p)
{
int pos = 0;
for (int n = 0; n < config->num_opts; n++) {
struct m_config_option *co = &config->opts[n];
if (!co->opt->deprecation_message) {
if (pos == p)
return co->name;
pos++;
}
}
return NULL;
}
// return: <0: M_OPT_ error, 0: skip, 1: check, 2: set
static int handle_set_opt_flags(struct m_config *config,
struct m_config_option *co, int flags)
{
int optflags = co->opt->flags;
bool set = !(flags & M_SETOPT_CHECK_ONLY);
if ((flags & M_SETOPT_PRE_PARSE_ONLY) && !(optflags & M_OPT_PRE_PARSE))
return 0;
if ((flags & M_SETOPT_PRESERVE_CMDLINE) && co->is_set_from_cmdline)
set = false;
if ((flags & M_SETOPT_NO_OVERWRITE) &&
(co->is_set_from_cmdline || co->is_set_from_config))
set = false;
if ((flags & M_SETOPT_NO_PRE_PARSE) && (optflags & M_OPT_PRE_PARSE))
return M_OPT_INVALID;
// Check if this option isn't forbidden in the current mode
if ((flags & M_SETOPT_FROM_CONFIG_FILE) && (optflags & M_OPT_NOCFG)) {
MP_ERR(config, "The %s option can't be used in a config file.\n",
co->name);
return M_OPT_INVALID;
}
if ((flags & M_SETOPT_BACKUP) && set)
ensure_backup(&config->backup_opts, BACKUP_LOCAL, co);
return set ? 2 : 1;
}
void m_config_mark_co_flags(struct m_config_option *co, int flags)
{
if (flags & M_SETOPT_FROM_CMDLINE)
co->is_set_from_cmdline = true;
if (flags & M_SETOPT_FROM_CONFIG_FILE)
co->is_set_from_config = true;
}
// Special options that don't really fit into the option handling model. They
// usually store no data, but trigger actions. Caller is assumed to have called
// handle_set_opt_flags() to make sure the option can be set.
// Returns M_OPT_UNKNOWN if the option is not a special option.
static int m_config_handle_special_options(struct m_config *config,
struct m_config_option *co,
void *data, int flags)
{
if (config->use_profiles && strcmp(co->name, "profile") == 0) {
char **list = *(char ***)data;
if (list && list[0] && !list[1] && strcmp(list[0], "help") == 0) {
if (!config->profiles) {
MP_INFO(config, "No profiles have been defined.\n");
return M_OPT_EXIT;
}
list_profiles(config);
return M_OPT_EXIT;
}
for (int n = 0; list && list[n]; n++) {
int r = m_config_set_profile(config, list[n], flags);
if (r < 0)
return r;
}
return 0;
}
if (config->includefunc && strcmp(co->name, "include") == 0) {
char *param = *(char **)data;
if (!param || !param[0])
return M_OPT_MISSING_PARAM;
if (config->recursion_depth >= MAX_RECURSION_DEPTH) {
MP_ERR(config, "Maximum 'include' nesting depth exceeded.\n");
return M_OPT_INVALID;
}
config->recursion_depth += 1;
config->includefunc(config->includefunc_ctx, param, flags);
config->recursion_depth -= 1;
if (config->recursion_depth == 0 && config->profile_depth == 0)
m_config_finish_default_profile(config, flags);
return 1;
}
if (config->use_profiles && strcmp(co->name, "show-profile") == 0)
return show_profile(config, bstr0(*(char **)data));
if (config->is_toplevel && (strcmp(co->name, "h") == 0 ||
strcmp(co->name, "help") == 0))
{
char *h = *(char **)data;
mp_info(config->log, "%s", mp_help_text);
if (h && h[0])
m_config_print_option_list(config, h);
return M_OPT_EXIT;
}
if (strcmp(co->name, "list-options") == 0) {
m_config_print_option_list(config, "*");
return M_OPT_EXIT;
}
return M_OPT_UNKNOWN;
}
// This notification happens when anyone other than m_config->cache (i.e. not
// through m_config_set_option_raw() or related) changes any options.
static void async_change_cb(void *p)
{
struct m_config *config = p;
void *ptr;
while (m_config_cache_get_next_changed(config->cache, &ptr)) {
// Regrettable linear search, might degenerate to quadratic.
for (int n = 0; n < config->num_opts; n++) {
struct m_config_option *co = &config->opts[n];
if (co->data == ptr) {
if (config->option_change_callback) {
config->option_change_callback(
config->option_change_callback_ctx, co,
config->cache->change_flags, false);
}
break;
}
}
config->cache->change_flags = 0;
}
}
void m_config_set_update_dispatch_queue(struct m_config *config,
struct mp_dispatch_queue *dispatch)
{
m_config_cache_set_dispatch_change_cb(config->cache, dispatch,
async_change_cb, config);
}
static void config_destroy(void *p)
{
struct m_config *config = p;
config->option_change_callback = NULL;
m_config_restore_backups(config);
struct m_opt_backup **list = &config->watch_later_backup_opts;
while (*list) {
struct m_opt_backup *bc = *list;
*list = bc->next;
talloc_free(bc);
}
talloc_free(config->cache);
talloc_free(config->shadow);
}
struct m_config *m_config_new(void *talloc_ctx, struct mp_log *log,
const struct m_sub_options *root)
{
struct m_config *config = talloc(talloc_ctx, struct m_config);
talloc_set_destructor(config, config_destroy);
*config = (struct m_config){.log = log,};
config->shadow = m_config_shadow_new(root);
if (root->size) {
config->cache = m_config_cache_from_shadow(config, config->shadow, root);
config->optstruct = config->cache->opts;
}
int32_t optid = -1;
while (m_config_shadow_get_next_opt(config->shadow, &optid)) {
char buf[M_CONFIG_MAX_OPT_NAME_LEN];
const char *opt_name =
m_config_shadow_get_opt_name(config->shadow, optid, buf, sizeof(buf));
struct m_config_option co = {
.name = talloc_strdup(config, opt_name),
.opt = m_config_shadow_get_opt(config->shadow, optid),
.opt_id = optid,
};
if (config->cache)
co.data = m_config_cache_get_opt_data(config->cache, optid);
MP_TARRAY_APPEND(config, config->opts, config->num_opts, co);
}
return config;
}
// Normally m_config_cache will not send notifications when _we_ change our
// own stuff. For whatever funny reasons, we need that, though.
static void force_self_notify_change_opt(struct m_config *config,
struct m_config_option *co,
bool self_notification)
{
int changed =
m_config_cache_get_option_change_mask(config->cache, co->opt_id);
if (config->option_change_callback) {
config->option_change_callback(config->option_change_callback_ctx, co,
changed, self_notification);
}
}
static void notify_opt(struct m_config *config, void *ptr, bool self_notification)
{
for (int n = 0; n < config->num_opts; n++) {
struct m_config_option *co = &config->opts[n];
if (co->data == ptr) {
if (m_config_cache_write_opt(config->cache, co->data))
force_self_notify_change_opt(config, co, self_notification);
return;
}
}
// ptr doesn't point to any config->optstruct field declared in the
// option list?
assert(false);
}
void m_config_notify_change_opt_ptr(struct m_config *config, void *ptr)
{
notify_opt(config, ptr, true);
}
void m_config_notify_change_opt_ptr_notify(struct m_config *config, void *ptr)
{
// (the notify bool is inverted: by not marking it as self-notification,
// the mpctx option change handler actually applies it)
notify_opt(config, ptr, false);
}
int m_config_set_option_raw(struct m_config *config,
struct m_config_option *co,
void *data, int flags)
{
if (!co)
return M_OPT_UNKNOWN;
int r = handle_set_opt_flags(config, co, flags);
if (r <= 1)
return r;
r = m_config_handle_special_options(config, co, data, flags);
if (r != M_OPT_UNKNOWN)
return r;
// This affects some special options like "playlist", "v". Maybe these
// should work, or maybe not. For now they would require special code.
if (!co->data)
return flags & M_SETOPT_FROM_CMDLINE ? 0 : M_OPT_UNKNOWN;
if (config->profile_backup_tmp)
ensure_backup(config->profile_backup_tmp, config->profile_backup_flags, co);
m_config_mark_co_flags(co, flags);
m_option_copy(co->opt, co->data, data);
if (m_config_cache_write_opt(config->cache, co->data))
force_self_notify_change_opt(config, co, false);
return 0;
}
// Handle CLI exceptions to option handling.
// Used to turn "--no-foo" into "--foo=no".
// It also handles looking up "--vf-add" as "--vf".
static struct m_config_option *m_config_mogrify_cli_opt(struct m_config *config,
struct bstr *name,
bool *out_negate,
int *out_add_flags)
{
*out_negate = false;
*out_add_flags = 0;
struct m_config_option *co = m_config_get_co(config, *name);
if (co)
return co;
// Turn "--no-foo" into "foo" + set *out_negate.
bstr no_name = *name;
if (!co && bstr_eatstart0(&no_name, "no-")) {
co = m_config_get_co(config, no_name);
// Not all choice types have this value - if they don't, then parsing
// them will simply result in an error. Good enough.
if (!co || !(co->opt->type->flags & M_OPT_TYPE_CHOICE))
return NULL;
*name = no_name;
*out_negate = true;
return co;
}
// Resolve CLI alias. (We don't allow you to combine them with "--no-".)
co = m_config_get_co_any(config, *name);
if (co && co->opt->type == &m_option_type_cli_alias)
*name = bstr0((char *)co->opt->priv);
// Might be a suffix "action", like "--vf-add". Expensively check for
// matches. (We don't allow you to combine them with "--no-".)
for (int n = 0; n < config->num_opts; n++) {
co = &config->opts[n];
struct bstr basename = bstr0(co->name);
if (!bstr_startswith(*name, basename))
continue;
// Aliased option + a suffix action, e.g. --opengl-shaders-append
if (co->opt->type == &m_option_type_alias)
co = m_config_get_co_any(config, basename);
if (!co)
continue;
const struct m_option_type *type = co->opt->type;
for (int i = 0; type->actions && type->actions[i].name; i++) {
const struct m_option_action *action = &type->actions[i];
bstr suffix = bstr0(action->name);
if (bstr_endswith(*name, suffix) &&
(name->len == basename.len + 1 + suffix.len) &&
name->start[basename.len] == '-')
{
*out_add_flags = action->flags;
return co;
}
}
}
return NULL;
}
int m_config_set_option_cli(struct m_config *config, struct bstr name,
struct bstr param, int flags)
{
int r;
assert(config != NULL);
bool negate;
struct m_config_option *co =
m_config_mogrify_cli_opt(config, &name, &negate, &(int){0});
if (!co) {
r = M_OPT_UNKNOWN;
goto done;
}
if (negate) {
if (param.len) {
r = M_OPT_DISALLOW_PARAM;
goto done;
}
param = bstr0("no");
}
// This is the only mandatory function
assert(co->opt->type->parse);
r = handle_set_opt_flags(config, co, flags);
if (r <= 0)
goto done;
if (r == 2) {
MP_VERBOSE(config, "Setting option '%.*s' = '%.*s' (flags = %d)\n",
BSTR_P(name), BSTR_P(param), flags);
}
union m_option_value val = m_option_value_default;
// Some option types are "impure" and work on the existing data.
// (Prime examples: --vf-add, --sub-file)
if (co->data)
m_option_copy(co->opt, &val, co->data);
r = m_option_parse(config->log, co->opt, name, param, &val);
if (r >= 0)
r = m_config_set_option_raw(config, co, &val, flags);
m_option_free(co->opt, &val);
done:
if (r < 0 && r != M_OPT_EXIT) {
MP_ERR(config, "Error parsing option %.*s (%s)\n",
BSTR_P(name), m_option_strerror(r));
r = M_OPT_INVALID;
}
return r;
}
int m_config_set_option_node(struct m_config *config, bstr name,
struct mpv_node *data, int flags)
{
int r;
struct m_config_option *co = m_config_get_co(config, name);
if (!co)
return M_OPT_UNKNOWN;
// Do this on an "empty" type to make setting the option strictly overwrite
// the old value, as opposed to e.g. appending to lists.
union m_option_value val = m_option_value_default;
if (data->format == MPV_FORMAT_STRING) {
bstr param = bstr0(data->u.string);
r = m_option_parse(mp_null_log, co->opt, name, param, &val);
} else {
r = m_option_set_node(co->opt, &val, data);
}
if (r >= 0)
r = m_config_set_option_raw(config, co, &val, flags);
if (mp_msg_test(config->log, MSGL_V)) {
char *s = m_option_type_node.print(NULL, data);
MP_DBG(config, "Setting option '%.*s' = %s (flags = %d) -> %d\n",
BSTR_P(name), s ? s : "?", flags, r);
talloc_free(s);
}
m_option_free(co->opt, &val);
return r;
}
int m_config_option_requires_param(struct m_config *config, bstr name)
{
bool negate;
int flags;
struct m_config_option *co =
m_config_mogrify_cli_opt(config, &name, &negate, &flags);
if (!co)
return M_OPT_UNKNOWN;
if (negate || (flags & M_OPT_TYPE_OPTIONAL_PARAM))
return 0;
return m_option_required_params(co->opt);
}
static int sort_opt_compare(const void *pa, const void *pb)
{
const struct m_config_option *a = pa;
const struct m_config_option *b = pb;
return strcasecmp(a->name, b->name);
}
void m_config_print_option_list(const struct m_config *config, const char *name)
{
char min[50], max[50];
int count = 0;
const char *prefix = config->is_toplevel ? "--" : "";
struct m_config_option *sorted =
talloc_memdup(NULL, config->opts, config->num_opts * sizeof(sorted[0]));
if (config->is_toplevel)
qsort(sorted, config->num_opts, sizeof(sorted[0]), sort_opt_compare);
MP_INFO(config, "Options:\n\n");
for (int i = 0; i < config->num_opts; i++) {
struct m_config_option *co = &sorted[i];
const struct m_option *opt = co->opt;
if (strcmp(name, "*") != 0 && !strstr(co->name, name))
continue;
MP_INFO(config, " %s%-30s", prefix, co->name);
if (opt->type == &m_option_type_choice) {
MP_INFO(config, " Choices:");
const struct m_opt_choice_alternatives *alt = opt->priv;
for (int n = 0; alt[n].name; n++)
MP_INFO(config, " %s", alt[n].name);
if (opt->min < opt->max)
MP_INFO(config, " (or an integer)");
} else {
MP_INFO(config, " %s", opt->type->name);
}
if ((opt->type->flags & M_OPT_TYPE_USES_RANGE) && opt->min < opt->max) {
snprintf(min, sizeof(min), "any");
snprintf(max, sizeof(max), "any");
if (opt->min != DBL_MIN)
snprintf(min, sizeof(min), "%.14g", opt->min);
if (opt->max != DBL_MAX)
snprintf(max, sizeof(max), "%.14g", opt->max);
MP_INFO(config, " (%s to %s)", min, max);
}
char *def = NULL;
const void *defptr = m_config_get_co_default(config, co);
if (!defptr)
defptr = &m_option_value_default;
if (defptr)
def = m_option_pretty_print(opt, defptr);
if (def) {
MP_INFO(config, " (default: %s)", def);
talloc_free(def);
}
if (opt->flags & M_OPT_NOCFG)
MP_INFO(config, " [not in config files]");
if (opt->flags & M_OPT_FILE)
MP_INFO(config, " [file]");
if (opt->deprecation_message)
MP_INFO(config, " [deprecated]");
if (opt->type == &m_option_type_alias)
MP_INFO(config, " for %s", (char *)opt->priv);
if (opt->type == &m_option_type_cli_alias)
MP_INFO(config, " for --%s (CLI/config files only)", (char *)opt->priv);
MP_INFO(config, "\n");
for (int n = 0; opt->type->actions && opt->type->actions[n].name; n++) {
const struct m_option_action *action = &opt->type->actions[n];
MP_INFO(config, " %s%s-%s\n", prefix, co->name, action->name);
count++;
}
count++;
}
MP_INFO(config, "\nTotal: %d options\n", count);
talloc_free(sorted);
}
char **m_config_list_options(void *ta_parent, const struct m_config *config)
{
char **list = talloc_new(ta_parent);
int count = 0;
for (int i = 0; i < config->num_opts; i++) {
struct m_config_option *co = &config->opts[i];
// For use with CONF_TYPE_STRING_LIST, it's important not to set list
// as allocation parent.
char *s = talloc_strdup(ta_parent, co->name);
MP_TARRAY_APPEND(ta_parent, list, count, s);
}
MP_TARRAY_APPEND(ta_parent, list, count, NULL);
return list;
}
struct m_profile *m_config_get_profile(const struct m_config *config, bstr name)
{
for (struct m_profile *p = config->profiles; p; p = p->next) {
if (bstr_equals0(name, p->name))
return p;
}
return NULL;
}
struct m_profile *m_config_get_profile0(const struct m_config *config,
char *name)
{
return m_config_get_profile(config, bstr0(name));
}
struct m_profile *m_config_add_profile(struct m_config *config, char *name)
{
if (!name || !name[0])
name = "default";
struct m_profile *p = m_config_get_profile0(config, name);
if (p)
return p;
p = talloc_zero(config, struct m_profile);
p->name = talloc_strdup(p, name);
p->next = config->profiles;
config->profiles = p;
return p;
}
int m_config_set_profile_option(struct m_config *config, struct m_profile *p,
bstr name, bstr val)
{
if (bstr_equals0(name, "profile-desc")) {
talloc_free(p->desc);
p->desc = bstrto0(p, val);
return 0;
}
if (bstr_equals0(name, "profile-cond")) {
TA_FREEP(&p->cond);
val = bstr_strip(val);
if (val.len)
p->cond = bstrto0(p, val);
return 0;
}
if (bstr_equals0(name, profile_restore_mode_opt.name)) {
return m_option_parse(config->log, &profile_restore_mode_opt, name, val,
&p->restore_mode);
}
int i = m_config_set_option_cli(config, name, val,
M_SETOPT_CHECK_ONLY |
M_SETOPT_FROM_CONFIG_FILE);
if (i < 0)
return i;
p->opts = talloc_realloc(p, p->opts, char *, 2 * (p->num_opts + 2));
p->opts[p->num_opts * 2] = bstrto0(p, name);
p->opts[p->num_opts * 2 + 1] = bstrto0(p, val);
p->num_opts++;
p->opts[p->num_opts * 2] = p->opts[p->num_opts * 2 + 1] = NULL;
return 1;
}
static struct m_profile *find_check_profile(struct m_config *config, char *name)
{
struct m_profile *p = m_config_get_profile0(config, name);
if (!p) {
MP_WARN(config, "Unknown profile '%s'.\n", name);
return NULL;
}
if (config->profile_depth > MAX_PROFILE_DEPTH) {
MP_WARN(config, "WARNING: Profile inclusion too deep.\n");
return NULL;
}
return p;
}
int m_config_set_profile(struct m_config *config, char *name, int flags)
{
MP_VERBOSE(config, "Applying profile '%s'...\n", name);
struct m_profile *p = find_check_profile(config, name);
if (!p)
return M_OPT_INVALID;
if (!config->profile_backup_tmp && p->restore_mode) {
config->profile_backup_tmp = &p->backups;
config->profile_backup_flags = p->restore_mode == 2 ? BACKUP_NVAL : 0;
}
config->profile_depth++;
for (int i = 0; i < p->num_opts; i++) {
m_config_set_option_cli(config,
bstr0(p->opts[2 * i]),
bstr0(p->opts[2 * i + 1]),
flags | M_SETOPT_FROM_CONFIG_FILE);
}
config->profile_depth--;
if (config->profile_backup_tmp == &p->backups) {
config->profile_backup_tmp = NULL;
for (struct m_opt_backup *bc = p->backups; bc; bc = bc->next) {
if (bc && bc->nval)
m_option_copy(bc->co->opt, bc->nval, bc->co->data);
talloc_steal(p, bc);
}
}
return 0;
}
int m_config_restore_profile(struct m_config *config, char *name)
{
MP_VERBOSE(config, "Restoring from profile '%s'...\n", name);
struct m_profile *p = find_check_profile(config, name);
if (!p)
return M_OPT_INVALID;
if (!p->backups)
MP_WARN(config, "Profile '%s' contains no restore data.\n", name);
restore_backups(&p->backups, config);
return 0;
}
void m_config_finish_default_profile(struct m_config *config, int flags)
{
struct m_profile *p = m_config_add_profile(config, NULL);
m_config_set_profile(config, p->name, flags);
p->num_opts = 0;
}
struct mpv_node m_config_get_profiles(struct m_config *config)
{
struct mpv_node root;
node_init(&root, MPV_FORMAT_NODE_ARRAY, NULL);
for (m_profile_t *profile = config->profiles; profile; profile = profile->next)
{
struct mpv_node *entry = node_array_add(&root, MPV_FORMAT_NODE_MAP);
node_map_add_string(entry, "name", profile->name);
if (profile->desc)
node_map_add_string(entry, "profile-desc", profile->desc);
if (profile->cond)
node_map_add_string(entry, "profile-cond", profile->cond);
if (profile->restore_mode) {
char *s =
m_option_print(&profile_restore_mode_opt, &profile->restore_mode);
node_map_add_string(entry, profile_restore_mode_opt.name, s);
talloc_free(s);
}
struct mpv_node *opts =
node_map_add(entry, "options", MPV_FORMAT_NODE_ARRAY);
for (int n = 0; n < profile->num_opts; n++) {
struct mpv_node *opt_entry = node_array_add(opts, MPV_FORMAT_NODE_MAP);
node_map_add_string(opt_entry, "key", profile->opts[n * 2 + 0]);
node_map_add_string(opt_entry, "value", profile->opts[n * 2 + 1]);
}
}
return root;
}
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