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adapter: fix buffer alloc order

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Prefer to let the follower allocate buffers. If we are allocating
buffers, first do use_buffers on the allocating node or else the
non-allocating node just ends up with NULL buffers.
This commit is contained in:
Wim Taymans 2025-03-27 09:29:52 +01:00
parent afb4a2f49c
commit abc03ec810
2 changed files with 44 additions and 18 deletions
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31
spa/plugins/audioconvert/audioadapter.c
View file

@ -431,6 +431,9 @@ static int negotiate_buffers(struct impl *this)
uint32_t *aligns, data_flags;
struct spa_data *datas;
uint64_t follower_flags, conv_flags;
struct spa_node *alloc_node;
enum spa_direction alloc_direction;
uint32_t alloc_flags;
spa_log_debug(this->log, "%p: n_buffers:%d", this, this->n_buffers);
@ -476,11 +479,10 @@ static int negotiate_buffers(struct impl *this)
follower_alloc = SPA_FLAG_IS_SET(follower_flags, SPA_PORT_FLAG_CAN_ALLOC_BUFFERS);
conv_alloc = SPA_FLAG_IS_SET(conv_flags, SPA_PORT_FLAG_CAN_ALLOC_BUFFERS);
flags = 0;
flags = alloc_flags = 0;
if (conv_alloc || follower_alloc) {
flags |= SPA_BUFFER_ALLOC_FLAG_NO_DATA;
if (conv_alloc)
follower_alloc = false;
alloc_flags = SPA_NODE_BUFFERS_FLAG_ALLOC;
}
align = DEFAULT_ALIGN;
@ -524,15 +526,26 @@ static int negotiate_buffers(struct impl *this)
return -errno;
this->n_buffers = buffers;
if ((res = spa_node_port_use_buffers(this->target,
SPA_DIRECTION_REVERSE(this->direction), 0,
conv_alloc ? SPA_NODE_BUFFERS_FLAG_ALLOC : 0,
/* prefer to let the follower alloc */
if (follower_alloc) {
alloc_node = this->follower;
alloc_direction = this->direction;
} else {
alloc_node = this->target;
alloc_direction = SPA_DIRECTION_REVERSE(this->direction);
}
if ((res = spa_node_port_use_buffers(alloc_node,
alloc_direction, 0, alloc_flags,
this->buffers, this->n_buffers)) < 0)
return res;
if ((res = spa_node_port_use_buffers(this->follower,
this->direction, 0,
follower_alloc ? SPA_NODE_BUFFERS_FLAG_ALLOC : 0,
alloc_node = alloc_node == this->follower ? this->target : this->follower;
alloc_direction = SPA_DIRECTION_REVERSE(alloc_direction);
alloc_flags = 0;
if ((res = spa_node_port_use_buffers(alloc_node,
alloc_direction, 0, alloc_flags,
this->buffers, this->n_buffers)) < 0)
return res;