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core: improve alignment

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Use the CPU alignment to align memory of allocated buffers. This makes
it more likely that all CPU optimizations can be done.
This commit is contained in:
Wim Taymans 2019-10-17 09:34:27 +02:00
parent c8ffcaaefe
commit 7798cf7364
6 changed files with 53 additions and 13 deletions
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18
spa/plugins/audioconvert/audioconvert.c
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@ -27,6 +27,7 @@
#include <stdio.h>
#include <spa/support/log.h>
#include <spa/support/cpu.h>
#include <spa/utils/list.h>
#include <spa/utils/names.h>
#include <spa/node/node.h>
@ -68,6 +69,9 @@ struct impl {
struct spa_node node;
struct spa_log *log;
struct spa_cpu *cpu;
uint32_t max_align;
struct spa_hook_list hooks;
@ -345,6 +349,8 @@ static int negotiate_link_buffers(struct impl *this, struct link *link)
spa_log_debug(this->log, "%p: buffers %d, blocks %d, size %d, align %d %d:%d",
this, buffers, blocks, size, align, out_alloc, in_alloc);
align = SPA_MAX(align, this->max_align);
datas = alloca(sizeof(struct spa_data) * blocks);
memset(datas, 0, sizeof(struct spa_data) * blocks);
aligns = alloca(sizeof(uint32_t) * blocks);
@ -1191,9 +1197,19 @@ impl_init(const struct spa_handle_factory *factory,
this = (struct impl *) handle;
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;
case SPA_TYPE_INTERFACE_CPU:
this->cpu = support[i].data;
break;
}
}
if (this->cpu)
this->max_align = spa_cpu_get_max_align(this->cpu);
this->node.iface = SPA_INTERFACE_INIT(
SPA_TYPE_INTERFACE_Node,
SPA_VERSION_NODE,