Skip to content

media: vcam: set capture buffer sequence numbers #55

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
grawis wants to merge 1 commit into
base: master
Choose a base branch
from
Open

media: vcam: set capture buffer sequence numbers #55

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions device.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -468,6 +468,7 @@ static void submit_noinput_buffer(struct vcam_out_buffer *buf,
memset(vbuf_ptr, 0xff, rowsize * (rows % 255));
}

buf->vb.sequence = dev->sequence++;
buf->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
Expand Down Expand Up @@ -648,6 +649,7 @@ static void submit_copy_buffer(struct vcam_out_buffer *out_buf,
}
}
}
out_buf->vb.sequence = dev->sequence++;
out_buf->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&out_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
Expand Down
1 change: 1 addition & 0 deletions device.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,7 @@ struct vcam_device {

/* Submitter thread */
struct task_struct *sub_thr_id;
u32 sequence;

/* Format descriptor */
size_t nr_fmts;
Expand Down
1 change: 1 addition & 0 deletions videobuf.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@ static int vcam_start_streaming(struct vb2_queue *q, unsigned int count)
struct vcam_device *dev = q->drv_priv;

/* Try to start kernel thread */
dev->sequence = 0;
dev->sub_thr_id = kthread_create(submitter_thread, dev, "vcam_submitter");
if (!dev->sub_thr_id) {
pr_err("Failed to create kernel thread\n");
Expand Down