From 3f5c75c52d26c59831ea4267d923ae281b2db3f8 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Thu, 6 Jun 2019 15:11:37 +0200
Subject: [PATCH] cpu: add CPU_FORCE option to cpu interface

---
 spa/include/spa/support/cpu.h |  3 +++
 spa/plugins/support/cpu.c     | 11 ++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/spa/include/spa/support/cpu.h b/spa/include/spa/support/cpu.h
index e36189c3c..21328661a 100644
--- a/spa/include/spa/support/cpu.h
+++ b/spa/include/spa/support/cpu.h
@@ -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_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
 }  /* extern "C" */
 #endif
diff --git a/spa/plugins/support/cpu.c b/spa/plugins/support/cpu.c
index a32179105..c6ca7ba70 100644
--- a/spa/plugins/support/cpu.c
+++ b/spa/plugins/support/cpu.c
@@ -142,6 +142,7 @@ impl_init(const struct spa_handle_factory *factory,
 	  uint32_t n_support)
 {
 	struct impl *this;
+	const char *str;
 	uint32_t i;
 
 	spa_return_val_if_fail(factory != NULL, -EINVAL);
@@ -158,8 +159,11 @@ impl_init(const struct spa_handle_factory *factory,
 			&impl_cpu, this);
 
 	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;
+			break;
+		}
 	}
 	this->flags = 0;
 	this->force = SPA_CPU_FORCE_AUTODETECT;
@@ -167,6 +171,11 @@ impl_init(const struct spa_handle_factory *factory,
 	this->count = get_count(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",
 			this, this->count, this->max_align, this->flags);