From 1b18e7a0be859911b22138ce27258687efc528b8 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Mon, 22 Oct 2012 17:10:16 -0300 Subject: [PATCH] [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 Acked-by: Laurent Pinchart Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/pci/meye/meye.c | 4 ++-- drivers/media/pci/zoran/zoran_driver.c | 2 +- drivers/media/platform/omap3isp/ispqueue.c | 1 + drivers/media/platform/vino.c | 3 +++ drivers/media/usb/cpia2/cpia2_v4l.c | 5 ++++- drivers/media/usb/sn9c102/sn9c102_core.c | 2 +- drivers/media/usb/stkwebcam/stk-webcam.c | 1 + drivers/media/usb/usbvision/usbvision-video.c | 5 +++-- drivers/media/v4l2-core/videobuf-core.c | 2 +- drivers/media/v4l2-core/videobuf2-core.c | 10 ++++++---- 10 files changed, 23 insertions(+), 12 deletions(-) diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c index 288adea55e33..ac7ab6edb06d 100644 --- a/drivers/media/pci/meye/meye.c +++ b/drivers/media/pci/meye/meye.c @@ -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; diff --git a/drivers/media/pci/zoran/zoran_driver.c b/drivers/media/pci/zoran/zoran_driver.c index 53f12c7466b0..33521a4f23a7 100644 --- a/drivers/media/pci/zoran/zoran_driver.c +++ b/drivers/media/pci/zoran/zoran_driver.c @@ -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: diff --git a/drivers/media/platform/omap3isp/ispqueue.c b/drivers/media/platform/omap3isp/ispqueue.c index 15bf3eab2224..6599963cdd9b 100644 --- a/drivers/media/platform/omap3isp/ispqueue.c +++ b/drivers/media/platform/omap3isp/ispqueue.c @@ -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; diff --git a/drivers/media/platform/vino.c b/drivers/media/platform/vino.c index 28350e78b564..eb5d6f955709 100644 --- a/drivers/media/platform/vino.c +++ b/drivers/media/platform/vino.c @@ -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; diff --git a/drivers/media/usb/cpia2/cpia2_v4l.c b/drivers/media/usb/cpia2/cpia2_v4l.c index aeb9d2275725..d5d42b6e94be 100644 --- a/drivers/media/usb/cpia2/cpia2_v4l.c +++ b/drivers/media/usb/cpia2/cpia2_v4l.c @@ -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; diff --git a/drivers/media/usb/sn9c102/sn9c102_core.c b/drivers/media/usb/sn9c102/sn9c102_core.c index 8dbf0c721c4a..6bda81aebf87 100644 --- a/drivers/media/usb/sn9c102/sn9c102_core.c +++ b/drivers/media/usb/sn9c102/sn9c102_core.c @@ -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; diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index bf56904decb4..52296f7ec966 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -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; diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index 5c36a57e6590..c6bc8ce67375 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -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; diff --git a/drivers/media/v4l2-core/videobuf-core.c b/drivers/media/v4l2-core/videobuf-core.c index 5449e8aa984a..fb5ee5dd8fe9 100644 --- a/drivers/media/v4l2-core/videobuf-core.c +++ b/drivers/media/v4l2-core/videobuf-core.c @@ -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; diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 9f81be23a81f..85e3c221dadc 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -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; } /** -- 2.30.2