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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;
}
/**