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node: add flags to port_use_buffer

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Remove the CAN_USE_BUFFERS flag, it is redundant. We can know this
because of the IO params and buffer params.

Add flags to the port_use_buffer call. We also want this call to
replace port_alloc_buffer. Together with a new result event we can
ask the node to (a)synchronously fill up the buffer data for us. This
is part of a plan to let remote nodes provide buffer data.
This commit is contained in:
Wim Taymans 2019-07-25 13:19:39 +02:00
parent b314547702
commit 8590ac158b
33 changed files with 153 additions and 122 deletions
Download patch file Download diff file Expand all files Collapse all files

4
spa/examples/example-control.c
View file

@ -394,11 +394,11 @@ static int negotiate_formats(struct data *data)
init_buffer(data, data->source_buffers, data->source_buffer, 1, BUFFER_SIZE);
if ((res =
spa_node_port_use_buffers(data->sink, SPA_DIRECTION_INPUT, 0, data->source_buffers,
spa_node_port_use_buffers(data->sink, SPA_DIRECTION_INPUT, 0, 0, data->source_buffers,
1)) < 0)
return res;
if ((res =
spa_node_port_use_buffers(data->source, SPA_DIRECTION_OUTPUT, 0, data->source_buffers,
spa_node_port_use_buffers(data->source, SPA_DIRECTION_OUTPUT, 0, 0, data->source_buffers,
1)) < 0)
return res;

2
spa/examples/local-v4l2.c
View file

@ -390,7 +390,7 @@ static int negotiate_formats(struct data *data)
if ((res = sdl_alloc_buffers(data)) < 0)
return res;
if ((res = spa_node_port_use_buffers(data->source, SPA_DIRECTION_OUTPUT, 0, data->bp,
if ((res = spa_node_port_use_buffers(data->source, SPA_DIRECTION_OUTPUT, 0, 0, data->bp,
data->n_buffers)) < 0) {
printf("can't allocate buffers: %s\n", spa_strerror(res));
return -1;