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Fix stream restart

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Make sure we always send a clock update before sending a start command.
Fix memory size.
Follow the state of the node to do allocation
Use the pinos node to control the state
When doing STREAMOFF, all buffers will be dequeued. requeue them buffers
for when we go to playing again.
This commit is contained in:
Wim Taymans 2016-09-13 10:34:32 +02:00
parent e34ef88dac
commit 021eccb8ad
7 changed files with 107 additions and 63 deletions
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20
spa/plugins/v4l2/v4l2-utils.c
View file

@ -862,6 +862,13 @@ v4l2_on_fd_events (SpaPollNotifyData *data)
SpaNodeEvent event;
SpaNodeEventHaveOutput ho;
if (data->fds[0].revents & POLLERR) {
return -1;
}
if (mmap_read (this) < 0)
return 0;
@ -1171,22 +1178,31 @@ spa_v4l2_pause (SpaV4l2Source *this)
SpaV4l2State *state = &this->state[0];
enum v4l2_buf_type type;
SpaNodeEvent event;
int i;
if (!state->started)
return SPA_RESULT_OK;
state->started = false;
event.type = SPA_NODE_EVENT_TYPE_REMOVE_POLL;
event.data = &state->poll;
event.size = sizeof (state->poll);
this->event_cb (&this->node, &event, this->user_data);
state->started = false;
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (xioctl (state->fd, VIDIOC_STREAMOFF, &type) < 0) {
perror ("VIDIOC_STREAMOFF");
return SPA_RESULT_ERROR;
}
for (i = 0; i < state->reqbuf.count; i++) {
V4l2Buffer *b;
b = &state->alloc_buffers[i];
if (!b->outstanding)
if (xioctl (state->fd, VIDIOC_QBUF, &b->v4l2_buffer) < 0)
perror ("VIDIOC_QBUF");
}
update_state (this, SPA_NODE_STATE_PAUSED);
return SPA_RESULT_OK;