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[media] v4l: Tell user space we're using monotonic timestamps

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Set buffer timestamp flags for videobuf, videobuf2 and drivers that use
neither.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sakari Ailus 2012-10-22 17:10:16 -03:00 committed by Mauro Carvalho Chehab
parent 8e6057b510
commit 1b18e7a0be
10 changed files with 23 additions and 12 deletions
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4
drivers/media/pci/meye/meye.c
View file

@ -1426,7 +1426,7 @@ static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
return -EINVAL;
buf->bytesused = meye.grab_buffer[index].size;
buf->flags = V4L2_BUF_FLAG_MAPPED;
buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
if (meye.grab_buffer[index].state == MEYE_BUF_USING)
buf->flags |= V4L2_BUF_FLAG_QUEUED;
@ -1499,7 +1499,7 @@ static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
buf->index = reqnr;
buf->bytesused = meye.grab_buffer[reqnr].size;
buf->flags = V4L2_BUF_FLAG_MAPPED;
buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
buf->field = V4L2_FIELD_NONE;
buf->timestamp = meye.grab_buffer[reqnr].timestamp;
buf->sequence = meye.grab_buffer[reqnr].sequence;

2
drivers/media/pci/zoran/zoran_driver.c
View file

@ -1334,7 +1334,7 @@ static int zoran_v4l2_buffer_status(struct zoran_fh *fh,
struct zoran *zr = fh->zr;
unsigned long flags;
buf->flags = V4L2_BUF_FLAG_MAPPED;
buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
switch (fh->map_mode) {
case ZORAN_MAP_MODE_RAW:

1
drivers/media/platform/omap3isp/ispqueue.c
View file

@ -674,6 +674,7 @@ static int isp_video_queue_alloc(struct isp_video_queue *queue,
buf->vbuf.index = i;
buf->vbuf.length = size;
buf->vbuf.type = queue->type;
buf->vbuf.flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
buf->vbuf.field = V4L2_FIELD_NONE;
buf->vbuf.memory = memory;

3
drivers/media/platform/vino.c
View file

@ -3410,6 +3410,9 @@ static void vino_v4l2_get_buffer_status(struct vino_channel_settings *vcs,
if (fb->map_count > 0)
b->flags |= V4L2_BUF_FLAG_MAPPED;
b->flags &= ~V4L2_BUF_FLAG_TIMESTAMP_MASK;
b->flags |= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
b->index = fb->id;
b->memory = (vcs->fb_queue.type == VINO_MEMORY_MMAP) ?
V4L2_MEMORY_MMAP : V4L2_MEMORY_USERPTR;

5
drivers/media/usb/cpia2/cpia2_v4l.c
View file

@ -825,6 +825,8 @@ static int cpia2_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
else
buf->flags = 0;
buf->flags |= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
switch (cam->buffers[buf->index].status) {
case FRAME_EMPTY:
case FRAME_ERROR:
@ -943,7 +945,8 @@ static int cpia2_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
buf->index = frame;
buf->bytesused = cam->buffers[buf->index].length;
buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_DONE;
buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_DONE
| V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
buf->field = V4L2_FIELD_NONE;
buf->timestamp = cam->buffers[buf->index].timestamp;
buf->sequence = cam->buffers[buf->index].seq;

2
drivers/media/usb/sn9c102/sn9c102_core.c
View file

@ -173,7 +173,7 @@ sn9c102_request_buffers(struct sn9c102_device* cam, u32 count,
cam->frame[i].buf.sequence = 0;
cam->frame[i].buf.field = V4L2_FIELD_NONE;
cam->frame[i].buf.memory = V4L2_MEMORY_MMAP;
cam->frame[i].buf.flags = 0;
cam->frame[i].buf.flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
}
return cam->nbuffers;

1
drivers/media/usb/stkwebcam/stk-webcam.c
View file

@ -466,6 +466,7 @@ static int stk_setup_siobuf(struct stk_camera *dev, int index)
buf->dev = dev;
buf->v4lbuf.index = index;
buf->v4lbuf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buf->v4lbuf.flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
buf->v4lbuf.field = V4L2_FIELD_NONE;
buf->v4lbuf.memory = V4L2_MEMORY_MMAP;
buf->v4lbuf.m.offset = 2*index*buf->v4lbuf.length;

5
drivers/media/usb/usbvision/usbvision-video.c
View file

@ -761,7 +761,7 @@ static int vidioc_querybuf(struct file *file,
if (vb->index >= usbvision->num_frames)
return -EINVAL;
/* Updating the corresponding frame state */
vb->flags = 0;
vb->flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
frame = &usbvision->frame[vb->index];
if (frame->grabstate >= frame_state_ready)
vb->flags |= V4L2_BUF_FLAG_QUEUED;
@ -843,7 +843,8 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *vb)
vb->memory = V4L2_MEMORY_MMAP;
vb->flags = V4L2_BUF_FLAG_MAPPED |
V4L2_BUF_FLAG_QUEUED |
V4L2_BUF_FLAG_DONE;
V4L2_BUF_FLAG_DONE |
V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
vb->index = f->index;
vb->sequence = f->sequence;
vb->timestamp = f->timestamp;

2
drivers/media/v4l2-core/videobuf-core.c
View file

@ -340,7 +340,7 @@ static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b,
break;
}
b->flags = 0;
b->flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
if (vb->map)
b->flags |= V4L2_BUF_FLAG_MAPPED;

10
drivers/media/v4l2-core/videobuf2-core.c
View file

@ -40,9 +40,10 @@ module_param(debug, int, 0644);
#define call_qop(q, op, args...) \
(((q)->ops->op) ? ((q)->ops->op(args)) : 0)
#define V4L2_BUFFER_STATE_FLAGS (V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED | \
#define V4L2_BUFFER_MASK_FLAGS (V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED | \
V4L2_BUF_FLAG_DONE | V4L2_BUF_FLAG_ERROR | \
V4L2_BUF_FLAG_PREPARED)
V4L2_BUF_FLAG_PREPARED | \
V4L2_BUF_FLAG_TIMESTAMP_MASK)
/**
* __vb2_buf_mem_alloc() - allocate video memory for the given buffer
@ -401,7 +402,8 @@ static void __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b)
/*
* Clear any buffer state related flags.
*/
b->flags &= ~V4L2_BUFFER_STATE_FLAGS;
b->flags &= ~V4L2_BUFFER_MASK_FLAGS;
b->flags |= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
switch (vb->state) {
case VB2_BUF_STATE_QUEUED:
@ -939,7 +941,7 @@ static void __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b
vb->v4l2_buf.field = b->field;
vb->v4l2_buf.timestamp = b->timestamp;
vb->v4l2_buf.flags = b->flags & ~V4L2_BUFFER_STATE_FLAGS;
vb->v4l2_buf.flags = b->flags & ~V4L2_BUFFER_MASK_FLAGS;
}
/**