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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
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1
spa/plugins/v4l2/v4l2-source.c
View file

@ -678,6 +678,7 @@ static int impl_node_port_set_param(void *object,
static int impl_node_port_use_buffers(void *object,
enum spa_direction direction,
uint32_t port_id,
uint32_t flags,
struct spa_buffer **buffers,
uint32_t n_buffers)
{

1
spa/plugins/v4l2/v4l2-utils.c
View file

@ -925,7 +925,6 @@ static int spa_v4l2_set_format(struct impl *this, struct spa_video_info *format,
port->fmt = fmt;
port->info.change_mask |= SPA_PORT_CHANGE_MASK_FLAGS | SPA_PORT_CHANGE_MASK_RATE;
port->info.flags = (port->export_buf ? SPA_PORT_FLAG_CAN_ALLOC_BUFFERS : 0) |
SPA_PORT_FLAG_CAN_USE_BUFFERS |
SPA_PORT_FLAG_LIVE |
SPA_PORT_FLAG_PHYSICAL |
SPA_PORT_FLAG_TERMINAL;