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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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16
spa/plugins/audiomixer/mixer-dsp.c
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@ -41,9 +41,10 @@
#define NAME "mixer-dsp"
#define MAX_BUFFERS 64
#define MAX_PORTS 128
#define MAX_SAMPLES 1024
#define MAX_BUFFERS 64
#define MAX_PORTS 128
#define MAX_SAMPLES 1024
#define MAX_ALIGN 64
#define PORT_DEFAULT_VOLUME 1.0
#define PORT_DEFAULT_MUTE false
@ -115,13 +116,14 @@ struct impl {
struct port in_ports[MAX_PORTS];
struct port out_ports[1];
bool have_format;
int n_formats;
struct spa_audio_info format;
uint32_t stride;
bool started;
float empty[MAX_SAMPLES + 15];
unsigned int have_format:1;
unsigned int started:1;
float empty[MAX_SAMPLES + MAX_ALIGN];
};
#define CHECK_FREE_IN_PORT(this,d,p) ((d) == SPA_DIRECTION_INPUT && (p) < MAX_PORTS && !this->in_ports[(p)].valid)
@ -725,7 +727,7 @@ static int impl_node_process(void *object)
else {
outb->buffer->n_datas = 1;
outb->buffer->datas = outb->datas;
outb->datas[0].data = SPA_PTR_ALIGN(this->empty, 16, void);
outb->datas[0].data = SPA_PTR_ALIGN(this->empty, MAX_ALIGN, void);
outb->datas[0].chunk = outb->chunk;
outb->datas[0].chunk->offset = 0;
outb->datas[0].chunk->size = n_samples * sizeof(float);