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Add support for mappable buffers in mixer-dsp

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Gabriel Golfetti 2025-10-04 10:04:50 +00:00 • committed by Wim Taymans
parent fe78e80614
commit df2f36ad8f
2 changed files with 98 additions and 25 deletions
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31
spa/plugins/audioconvert/audioconvert.c
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@ -3176,6 +3176,7 @@ impl_node_port_use_buffers(void *object,
struct impl *this = object;
struct port *port;
uint32_t i, j, maxsize;
int res;
spa_return_val_if_fail(this != NULL, -EINVAL);
@ -3186,12 +3187,16 @@ impl_node_port_use_buffers(void *object,
spa_log_debug(this->log, "%p: use buffers %d on port %d:%d",
this, n_buffers, direction, port_id);
clear_buffers(this, port);
if (n_buffers > 0 && !port->have_format) {
res = -EIO;
goto error;
}
if (n_buffers > MAX_BUFFERS) {
res = -ENOSPC;
goto error;
}
if (n_buffers > 0 && !port->have_format)
return -EIO;
if (n_buffers > MAX_BUFFERS)
return -ENOSPC;
clear_buffers(this, port);
maxsize = this->quantum_limit * sizeof(float);
@ -3200,6 +3205,11 @@ impl_node_port_use_buffers(void *object,
uint32_t n_datas = buffers[i]->n_datas;
struct spa_data *d = buffers[i]->datas;
if (n_datas > MAX_DATAS) {
res = -ENOSPC;
goto error;
}
b = &port->buffers[i];
b->id = i;
b->flags = 0;
@ -3224,7 +3234,8 @@ impl_node_port_use_buffers(void *object,
if (data == MAP_FAILED) {
spa_log_error(this->log, "%p: mmap failed %d on buffer %d %d %p: %m",
this, j, i, d[j].type, data);
return -EINVAL;
res = -EINVAL;
goto error;
}
SPA_FLAG_SET(b->flags, BUFFER_FLAG_MAPPED);
spa_log_debug(this->log, "%p: mmap %d on buffer %d %d %p %p",
@ -3233,7 +3244,8 @@ impl_node_port_use_buffers(void *object,
if (data == NULL) {
spa_log_error(this->log, "%p: invalid memory %d on buffer %d %d %p",
this, j, i, d[j].type, data);
return -EINVAL;
res = -EINVAL;
goto error;
} else if (!SPA_IS_ALIGNED(data, this->max_align)) {
spa_log_warn(this->log, "%p: memory %d on buffer %d not aligned",
this, j, i);
@ -3245,11 +3257,14 @@ impl_node_port_use_buffers(void *object,
}
if (direction == SPA_DIRECTION_OUTPUT)
queue_buffer(this, port, i);
port->n_buffers++;
}
port->maxsize = maxsize;
port->n_buffers = n_buffers;
return 0;
error:
clear_buffers(this, port);
return res;
}
struct io_data {