options: get rid of GLOBAL_CONFIG hack

Just an implementation detail that can be cleaned up now. Internally,
m_config maintains a tree of m_sub_options structs, except for the root
it was not defined explicitly. GLOBAL_CONFIG was a hack to get access to
it anyway. Define it explicitly instead.
This commit is contained in:
wm4 2019-11-29 00:16:52 +01:00
parent 5083db91eb
commit 1cb085a82e
10 changed files with 34 additions and 43 deletions

View File

@ -81,7 +81,7 @@ static bool init(struct mp_filter *da, struct mp_codec_params *codec,
const char *decoder)
{
struct priv *ctx = da->priv;
struct MPOpts *mpopts = mp_get_config_group(ctx, da->global, GLOBAL_CONFIG);
struct MPOpts *mpopts = mp_get_config_group(ctx, da->global, &mp_opt_root);
struct ad_lavc_params *opts =
mp_get_config_group(ctx, da->global, &ad_lavc_conf);
AVCodecContext *lavc_context;

View File

@ -515,7 +515,7 @@ void build_ordered_chapter_timeline(struct timeline *tl)
.global = tl->global,
.tl = tl,
.demuxer = demuxer,
.opts = mp_get_config_group(ctx, tl->global, GLOBAL_CONFIG),
.opts = mp_get_config_group(ctx, tl->global, &mp_opt_root),
};
if (!ctx->opts->ordered_chapters || !demuxer->access_references) {

View File

@ -775,7 +775,7 @@ struct mp_decoder_wrapper *mp_decoder_wrapper_create(struct mp_filter *parent,
struct priv *p = f->priv;
struct mp_decoder_wrapper *w = &p->public;
p->opt_cache = m_config_cache_alloc(p, f->global, GLOBAL_CONFIG);
p->opt_cache = m_config_cache_alloc(p, f->global, &mp_opt_root);
p->log = f->log;
p->f = f;
p->header = src;

View File

@ -387,7 +387,7 @@ done:
struct mp_ipc_ctx *mp_init_ipc(struct mp_client_api *client_api,
struct mpv_global *global)
{
struct MPOpts *opts = mp_get_config_group(NULL, global, GLOBAL_CONFIG);
struct MPOpts *opts = mp_get_config_group(NULL, global, &mp_opt_root);
struct mp_ipc_ctx *arg = talloc_ptrtype(NULL, arg);
*arg = (struct mp_ipc_ctx){

View File

@ -450,7 +450,7 @@ done:
struct mp_ipc_ctx *mp_init_ipc(struct mp_client_api *client_api,
struct mpv_global *global)
{
struct MPOpts *opts = mp_get_config_group(NULL, global, GLOBAL_CONFIG);
struct MPOpts *opts = mp_get_config_group(NULL, global, &mp_opt_root);
struct mp_ipc_ctx *arg = talloc_ptrtype(NULL, arg);
*arg = (struct mp_ipc_ctx){

View File

@ -451,23 +451,15 @@ static void config_destroy(void *p)
}
struct m_config *m_config_new(void *talloc_ctx, struct mp_log *log,
size_t size, const void *defaults,
const struct m_option *options)
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,};
struct m_sub_options *subopts = talloc_ptrtype(config, subopts);
*subopts = (struct m_sub_options){
.opts = options,
.size = size,
.defaults = defaults,
};
config->shadow = m_config_shadow_new(root);
config->shadow = m_config_shadow_new(subopts);
if (size) {
if (root->size) {
config->data = allocate_option_data(config, config->shadow, 0,
config->shadow->data);
config->optstruct = config->data->gdata[0].udata;
@ -500,9 +492,16 @@ static struct m_config *m_config_from_obj_desc(void *talloc_ctx,
struct mpv_global *global,
struct m_obj_desc *desc)
{
struct m_config *c =
m_config_new(talloc_ctx, log, desc->priv_size, desc->priv_defaults,
desc->options);
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;
if (desc->set_defaults && c->global)
desc->set_defaults(c->global, c->optstruct);
@ -513,7 +512,7 @@ struct m_config *m_config_from_obj_desc_noalloc(void *talloc_ctx,
struct mp_log *log,
struct m_obj_desc *desc)
{
return m_config_new(talloc_ctx, log, 0, desc->priv_defaults, desc->options);
return m_config_from_obj_desc(talloc_ctx, log, NULL, desc);
}
static const struct m_config_group *find_group(struct mpv_global *global,
@ -1365,8 +1364,7 @@ struct m_config_cache *m_config_cache_alloc(void *ta_parent,
int group_index = -1;
for (int n = 0; n < shadow->num_groups; n++) {
// group==NULL is special cased to root group.
if (shadow->groups[n].group == group || (!group && !n)) {
if (shadow->groups[n].group == group) {
group_index = n;
break;
}

View File

@ -92,16 +92,10 @@ typedef struct m_config {
// Create a new config object.
// talloc_ctx: talloc parent context for the m_config allocation
// size: size of the optstruct (where option values are stored)
// size==0 creates a config object with no option struct allocated
// defaults: if not NULL, points to a struct of same type as optstruct, which
// contains default values for all options
// options: list of options. Each option defines a member of the optstruct
// and a corresponding option switch or sub-option field.
// Note that the m_config object will keep pointers to defaults and options.
// root: description of all options
// Note that the m_config object will keep pointers to root and log.
struct m_config *m_config_new(void *talloc_ctx, struct mp_log *log,
size_t size, const void *defaults,
const struct m_option *options);
const struct m_sub_options *root);
// Create a m_config for the given desc. This is for --af/--vf, which have
// different sub-options for every filter (represented by separate desc
@ -279,8 +273,6 @@ struct m_config_cache {
struct config_cache *internal;
};
#define GLOBAL_CONFIG NULL
// Create a mirror copy from the global options.
// Keep in mind that a m_config_cache object is not thread-safe; it merely
// provides thread-safe access to the global options. All API functions for
@ -290,9 +282,7 @@ struct m_config_cache {
// time.
// ta_parent: parent for the returned allocation
// global: option data source
// group: the option group to return. This can be GLOBAL_CONFIG for the global
// option struct (MPOpts), or m_sub_options used in a certain
// OPT_SUBSTRUCT() item.
// group: the option group to return
struct m_config_cache *m_config_cache_alloc(void *ta_parent,
struct mpv_global *global,
const struct m_sub_options *group);
@ -355,7 +345,6 @@ void m_config_cache_write_opt(struct m_config_cache *cache, void *ptr);
// Like m_config_cache_alloc(), but return the struct (m_config_cache->opts)
// directly, with no way to update the config. Basically this returns a copy
// with a snapshot of the current option values.
// group==GLOBAL_CONFIG is a special case, and always returns the root group.
void *mp_get_config_group(void *ta_parent, struct mpv_global *global,
const struct m_sub_options *group);

View File

@ -318,7 +318,7 @@ const struct m_sub_options filter_conf = {
#undef OPT_BASE_STRUCT
#define OPT_BASE_STRUCT struct MPOpts
const m_option_t mp_opts[] = {
static const m_option_t mp_opts[] = {
// handled in command line pre-parser (parse_commandline.c)
{"v", &m_option_type_dummy_flag, CONF_NOCFG | M_OPT_NOPROP,
.offset = -1},
@ -896,7 +896,7 @@ const m_option_t mp_opts[] = {
{0}
};
const struct MPOpts mp_default_opts = {
static const struct MPOpts mp_default_opts = {
.use_terminal = 1,
.msg_color = 1,
.audio_decoders = NULL,
@ -991,4 +991,10 @@ const struct MPOpts mp_default_opts = {
.cuda_device = -1,
};
const struct m_sub_options mp_opt_root = {
.opts = mp_opts,
.size = sizeof(struct MPOpts),
.defaults = &mp_default_opts,
};
#endif /* MPLAYER_CFG_MPLAYER_H */

View File

@ -355,8 +355,6 @@ struct filter_opts {
int deinterlace;
};
extern const m_option_t mp_opts[];
extern const struct MPOpts mp_default_opts;
extern const struct m_sub_options vo_sub_opts;
extern const struct m_sub_options dvd_conf;
extern const struct m_sub_options mp_subtitle_sub_opts;
@ -364,5 +362,6 @@ extern const struct m_sub_options mp_osd_render_sub_opts;
extern const struct m_sub_options filter_conf;
extern const struct m_sub_options resample_conf;
extern const struct m_sub_options stream_conf;
extern const struct m_sub_options mp_opt_root;
#endif

View File

@ -296,8 +296,7 @@ struct MPContext *mp_create(void)
mpctx->statusline = mp_log_new(mpctx, mpctx->log, "!statusline");
// Create the config context and register the options
mpctx->mconfig = m_config_new(mpctx, mpctx->log, sizeof(struct MPOpts),
&mp_default_opts, mp_opts);
mpctx->mconfig = m_config_new(mpctx, mpctx->log, &mp_opt_root);
mpctx->opts = mpctx->mconfig->optstruct;
mpctx->global->config = mpctx->mconfig->shadow;
mpctx->mconfig->includefunc = cfg_include;