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cpu: add CPU_FORCE option to cpu interface

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This commit is contained in:
Wim Taymans 2019-06-06 15:11:37 +02:00
parent 92d7da0103
commit 3f5c75c52d
2 changed files with 13 additions and 1 deletions
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3
spa/include/spa/support/cpu.h
View file

@ -114,6 +114,9 @@ struct spa_cpu_methods {
#define spa_cpu_get_count(c) spa_cpu_method(c, get_count, 0) #define spa_cpu_get_count(c) spa_cpu_method(c, get_count, 0)
#define spa_cpu_get_max_align(c) spa_cpu_method(c, get_max_align, 0) #define spa_cpu_get_max_align(c) spa_cpu_method(c, get_max_align, 0)
/** keys can be given when initializing the cpu handle */
#define SPA_KEY_CPU_FORCE "cpu.force" /**< force cpu flags */
#ifdef __cplusplus #ifdef __cplusplus
} /* extern "C" */ } /* extern "C" */
#endif #endif

11
spa/plugins/support/cpu.c
View file

@ -142,6 +142,7 @@ impl_init(const struct spa_handle_factory *factory,
uint32_t n_support) uint32_t n_support)
{ {
struct impl *this; struct impl *this;
const char *str;
uint32_t i; uint32_t i;
spa_return_val_if_fail(factory != NULL, -EINVAL); spa_return_val_if_fail(factory != NULL, -EINVAL);
@ -158,8 +159,11 @@ impl_init(const struct spa_handle_factory *factory,
&impl_cpu, this); &impl_cpu, this);
for (i = 0; i < n_support; i++) { for (i = 0; i < n_support; i++) {
if (support[i].type == SPA_TYPE_INTERFACE_Log) switch (support[i].type) {
case SPA_TYPE_INTERFACE_Log:
this->log = support[i].data; this->log = support[i].data;
break;
}
} }
this->flags = 0; this->flags = 0;
this->force = SPA_CPU_FORCE_AUTODETECT; this->force = SPA_CPU_FORCE_AUTODETECT;
@ -167,6 +171,11 @@ impl_init(const struct spa_handle_factory *factory,
this->count = get_count(this); this->count = get_count(this);
init(this); init(this);
if (info) {
if ((str = spa_dict_lookup(info, SPA_KEY_CPU_FORCE)) != NULL)
this->flags = atoi(str);
}
spa_log_debug(this->log, NAME " %p: count:%d align:%d flags:%08x", spa_log_debug(this->log, NAME " %p: count:%d align:%d flags:%08x",
this, this->count, this->max_align, this->flags); this, this->count, this->max_align, this->flags);