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avb: check seq

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Avoid infinite loops.
Check sequence number and warn
Use 32 frames per pdu in example.
This commit is contained in:
Wim Taymans 2022-03-09 16:58:35 +01:00
parent 200f591a3d
commit ff5201ef3d
4 changed files with 41 additions and 1 deletions
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25
spa/plugins/avb/avb-pcm-source.c
View file

@ -703,6 +703,7 @@ static int impl_node_process(void *object)
struct state *this = object;
struct port *port;
struct spa_io_buffers *io;
struct buffer *b;
spa_return_val_if_fail(this != NULL, -EINVAL);
@ -712,7 +713,29 @@ static int impl_node_process(void *object)
spa_return_val_if_fail(io != NULL, -EIO);
spa_log_trace_fp(this->log, "%p: process %d %d/%d", this, io->status,
io->buffer_id, this->n_buffers);
io->buffer_id, port->n_buffers);
if (io->status == SPA_STATUS_HAVE_DATA)
return SPA_STATUS_HAVE_DATA;
if (io->buffer_id < port->n_buffers) {
spa_avb_recycle_buffer(this, port, io->buffer_id);
io->buffer_id = SPA_ID_INVALID;
}
if (spa_list_is_empty(&port->ready) && this->following) {
}
if (spa_list_is_empty(&port->ready) || !this->following)
return SPA_STATUS_OK;
b = spa_list_first(&port->ready, struct buffer, link);
spa_list_remove(&b->link);
SPA_FLAG_SET(b->flags, BUFFER_FLAG_OUT);
spa_log_trace_fp(this->log, "%p: dequeue buffer %d", this, b->id);
io->buffer_id = b->id;
io->status = SPA_STATUS_HAVE_DATA;
return SPA_STATUS_HAVE_DATA;
}