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Revert "jack: use a private writable mapping on input"

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This reverts commit 6fefd49a8a.

We can't use PRIVATE because mmap docs say that we then might not see
changes in the data anymore from other processes.

Fixes #3575
This commit is contained in:
Wim Taymans 2023-10-16 09:34:59 +02:00
parent 886ca8f004
commit 8f2ee0a29c
2 changed files with 5 additions and 9 deletions
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12
pipewire-jack/src/pipewire-jack.c
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@ -2575,14 +2575,12 @@ static int client_node_port_use_buffers(void *data,
return -ENOSPC;
}
if (direction == SPA_DIRECTION_INPUT) {
if (p->object->port.type_id == TYPE_ID_VIDEO) {
fl = PW_MEMMAP_FLAG_READ;
} else {
/* some apps write to the input buffer so we want everything readwrite */
fl = PW_MEMMAP_FLAG_READWRITE | PW_MEMMAP_FLAG_PRIVATE;
}
if (p->object->port.type_id == TYPE_ID_VIDEO && direction == SPA_DIRECTION_INPUT) {
fl = PW_MEMMAP_FLAG_READ;
} else {
/* some apps write to the input buffer so we want everything readwrite. We
* can't use PRIVATE because then we might not see changes in the buffer
* by other apps. */
fl = PW_MEMMAP_FLAG_READWRITE;
}