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[media] gspca - main: Have discontinuous sequence numbers when frames are lost

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This patch also sets to 0 the sequence of the first frame.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine 2010-10-16 13:59:13 -03:00 committed by Mauro Carvalho Chehab
parent 3e9c2b8477
commit 2e0544a8ac
1 changed files with 2 additions and 1 deletions
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3
drivers/media/video/gspca/gspca.c
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@ -432,12 +432,13 @@ void gspca_frame_add(struct gspca_dev *gspca_dev,
/* if there are no queued buffer, discard the whole frame */
if (i == atomic_read(&gspca_dev->fr_q)) {
gspca_dev->last_packet_type = DISCARD_PACKET;
gspca_dev->sequence++;
return;
}
j = gspca_dev->fr_queue[i];
frame = &gspca_dev->frame[j];
frame->v4l2_buf.timestamp = ktime_to_timeval(ktime_get());
frame->v4l2_buf.sequence = ++gspca_dev->sequence;
frame->v4l2_buf.sequence = gspca_dev->sequence++;
gspca_dev->image = frame->data;
gspca_dev->image_len = 0;
} else {