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Remove some events

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Remove port added and port removed, we can get that info by inspecting
the port ids.
Remove data from ringbuffer, we just need the ringbuffer to keep track
of the read and write positions.
Handle async-complete in the main thread
Work on async node initialization
Work on using a queue as the link between nodes
Make the daemon link things based on the node states
Use queue helper in v4l2
This commit is contained in:
Wim Taymans 2016-09-23 17:08:20 +02:00
parent 68148188fa
commit 1ba10cf848
17 changed files with 366 additions and 273 deletions
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15
spa/plugins/v4l2/v4l2-source.c
View file

@ -28,6 +28,7 @@
#include <spa/memory.h>
#include <spa/video/format.h>
#include <spa/debug.h>
#include <spa/queue.h>
typedef struct _SpaV4l2Source SpaV4l2Source;
@ -105,8 +106,7 @@ typedef struct {
struct v4l2_requestbuffers reqbuf;
SpaMemory *alloc_mem;
V4l2Buffer *alloc_buffers;
V4l2Buffer *ready;
uint32_t ready_count;
SpaQueue ready;
SpaPollFd fds[1];
SpaPollItem poll;
@ -683,16 +683,13 @@ spa_v4l2_source_node_port_pull_output (SpaNode *node,
have_error = true;
continue;
}
if (state->ready_count == 0) {
SPA_QUEUE_POP_HEAD (&state->ready, V4l2Buffer, next, b);
if (b == NULL) {
info[i].status = SPA_RESULT_UNEXPECTED;
have_error = true;
continue;
}
b = state->ready;
state->ready = b->next;
state->ready_count--;
b->outstanding = true;
info[i].buffer_id = b->outbuf->id;
@ -844,6 +841,8 @@ v4l2_source_init (const SpaHandleFactory *factory,
this->props[1].props.prop_info = prop_info;
reset_v4l2_source_props (&this->props[1]);
SPA_QUEUE_INIT (&this->state[0].ready);
this->state[0].info.flags = SPA_PORT_INFO_FLAG_LIVE;
this->state[0].status.flags = SPA_PORT_STATUS_FLAG_NONE;