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fix use_buffers checks

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We can set 0 buffers even if there is no format.
Return -ENOSPC when too many buffers are set.
This commit is contained in:
Wim Taymans 2023-01-10 12:30:25 +01:00
parent 9f3237b74e
commit 97aafe2234
31 changed files with 146 additions and 88 deletions
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7
spa/plugins/v4l2/v4l2-source.c
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@ -756,14 +756,15 @@ static int impl_node_port_use_buffers(void *object,
port = GET_PORT(this, direction, port_id);
if (!port->have_format)
return -EIO;
if (port->n_buffers) {
spa_v4l2_stream_off(this);
if ((res = spa_v4l2_clear_buffers(this)) < 0)
return res;
}
if (n_buffers > 0 && !port->have_format)
return -EIO;
if (n_buffers > MAX_BUFFERS)
return -ENOSPC;
if (buffers == NULL)
return 0;