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jack: optimize one buffer case

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The normal case is using 1 buffer port port so we can avoid a
queue/dequeue pair of operations.
This commit is contained in:
Wim Taymans 2023-11-22 13:20:52 +01:00
parent 33a3990c3c
commit f324f0e8e1
1 changed files with 30 additions and 25 deletions
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55
pipewire-jack/src/pipewire-jack.c
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@ -857,21 +857,6 @@ static struct object *find_link(struct client *c, uint32_t src, uint32_t dst)
return NULL;
}
static inline struct buffer *dequeue_buffer(struct client *c, struct mix *mix)
{
struct buffer *b;
if (SPA_UNLIKELY(spa_list_is_empty(&mix->queue)))
return NULL;
b = spa_list_first(&mix->queue, struct buffer, link);
spa_list_remove(&b->link);
SPA_FLAG_SET(b->flags, BUFFER_FLAG_OUT);
pw_log_trace_fp("%p: port %p: dequeue buffer %d", c, mix->port, b->id);
return b;
}
#if defined (__SSE__)
#include <xmmintrin.h>
static void mix_sse(float *dst, float *src[], uint32_t n_src, bool aligned, uint32_t n_samples)
@ -1327,7 +1312,7 @@ static void client_remove_source(struct client *c)
}
}
static inline void reuse_buffer(struct client *c, struct mix *mix, uint32_t id)
static inline void queue_buffer(struct client *c, struct mix *mix, uint32_t id)
{
struct buffer *b;
@ -1340,6 +1325,21 @@ static inline void reuse_buffer(struct client *c, struct mix *mix, uint32_t id)
}
}
static inline struct buffer *dequeue_buffer(struct client *c, struct mix *mix)
{
struct buffer *b;
if (SPA_UNLIKELY(spa_list_is_empty(&mix->queue)))
return NULL;
b = spa_list_first(&mix->queue, struct buffer, link);
spa_list_remove(&b->link);
SPA_FLAG_SET(b->flags, BUFFER_FLAG_OUT);
pw_log_trace_fp("%p: port %p: dequeue buffer %d", c, mix->port, b->id);
return b;
}
static size_t convert_from_midi(void *midi, void *buffer, size_t size)
{
@ -1487,21 +1487,26 @@ static inline void *get_buffer_output(struct port *p, uint32_t frames, uint32_t
b = &mix->buffers[io->buffer_id];
d = &b->datas[0];
} else {
if (io->buffer_id < mix->n_buffers) {
reuse_buffer(c, mix, io->buffer_id);
io->buffer_id = SPA_ID_INVALID;
}
if (SPA_UNLIKELY((b = dequeue_buffer(c, mix)) == NULL)) {
pw_log_warn("port %p: out of buffers %d", p, mix->n_buffers);
return NULL;
if (mix->n_buffers == 1) {
b = &mix->buffers[0];
} else {
if (io->buffer_id < mix->n_buffers)
queue_buffer(c, mix, io->buffer_id);
b = dequeue_buffer(c, mix);
if (SPA_UNLIKELY(b == NULL)) {
pw_log_warn("port %p: out of buffers %d", p, mix->n_buffers);
io->buffer_id = SPA_ID_INVALID;
return NULL;
}
}
d = &b->datas[0];
d->chunk->offset = 0;
d->chunk->size = frames * sizeof(float);
d->chunk->stride = stride;
io->status = SPA_STATUS_HAVE_DATA;
io->buffer_id = b->id;
io->status = SPA_STATUS_HAVE_DATA;
}
ptr = d->data;
if (buf)
@ -2717,7 +2722,7 @@ static int client_node_port_use_buffers(void *data,
}
SPA_FLAG_SET(b->flags, BUFFER_FLAG_OUT);
if (direction == SPA_DIRECTION_OUTPUT)
reuse_buffer(c, mix, b->id);
queue_buffer(c, mix, b->id);
}
pw_log_debug("%p: have %d buffers", c, n_buffers);