From: Hans Verkuil <hans.verk...@cisco.com>
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c | 117 +++++++++++++--------
drivers/staging/media/solo6x10/solo6x10.h | 9 +-
2 files changed, 74 insertions(+), 52 deletions(-)
diff --git a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
b/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
index 6858993..db5ce20 100644
--- a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
+++ b/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
@@ -270,6 +270,8 @@ static int solo_enc_on(struct solo_enc_dev *solo_enc)
if (solo_enc->bw_weight > solo_dev->enc_bw_remain)
return -EBUSY;
solo_enc->sequence = 0;
+ solo_enc->motion_last_state = false;
+ solo_enc->frames_since_last_motion = 0;
solo_dev->enc_bw_remain -= solo_enc->bw_weight;
if (solo_enc->type == SOLO_ENC_TYPE_EXT)
@@ -510,15 +512,6 @@ static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
struct vop_header *vh = enc_buf->vh;
int ret;
- /* Check for motion flags */
- vb->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_MOTION_ON |
- V4L2_BUF_FLAG_MOTION_DETECTED);
- if (solo_is_motion_on(solo_enc)) {
- vb->v4l2_buf.flags |= V4L2_BUF_FLAG_MOTION_ON;
- if (enc_buf->motion)
- vb->v4l2_buf.flags |= V4L2_BUF_FLAG_MOTION_DETECTED;
- }
-
switch (solo_enc->fmt) {
case V4L2_PIX_FMT_MPEG4:
case V4L2_PIX_FMT_H264:
@@ -530,9 +523,49 @@ static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
}
if (!ret) {
+ bool send_event = false;
+
vb->v4l2_buf.sequence = solo_enc->sequence++;
vb->v4l2_buf.timestamp.tv_sec = vh->sec;
vb->v4l2_buf.timestamp.tv_usec = vh->usec;
+
+ /* Check for motion flags */
+ if (solo_is_motion_on(solo_enc)) {
+ /* It takes a few frames for the hardware to detect
+ * motion. Once it does it clears the motion detection
+ * register and it takes again a few frames before
+ * motion is seen. This means in practice that when the
+ * motion field is 1, it will go back to 0 for the next
+ * frame. This leads to motion detection event being
+ * sent all the time, which is not what we want.
+ * Instead wait a few frames before deciding that the
+ * motion has halted. After some experimentation it
+ * turns out that waiting for 5 frames works well.
+ */
+ if (enc_buf->motion == 0 &&
+ solo_enc->motion_last_state &&
+ solo_enc->frames_since_last_motion++ > 5)
+ send_event = true;
+ else if (enc_buf->motion) {
+ solo_enc->frames_since_last_motion = 0;
+ send_event = !solo_enc->motion_last_state;
+ }
+ }
+
+ if (send_event) {
+ struct v4l2_event ev = {
+ .type = V4L2_EVENT_MOTION_DET,
+ .u.motion_det = {
+ .flags =
V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ,
+ .frame_sequence = vb->v4l2_buf.sequence,
+ .region_mask = enc_buf->motion ? 1 : 0,
+ },
+ };
+
+ solo_enc->motion_last_state = enc_buf->motion;
+ solo_enc->frames_since_last_motion = 0;
+ v4l2_event_queue(solo_enc->vfd, &ev);
+ }
}
vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
@@ -1145,14 +1178,15 @@ static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
solo_enc->gop = ctrl->val;
return 0;
- case V4L2_CID_MOTION_THRESHOLD:
- solo_enc->motion_thresh = ctrl->val;
+ case V4L2_CID_DETECT_MOTION_THRESHOLD:
+ solo_enc->motion_thresh = ctrl->val << 8;
if (!solo_enc->motion_global || !solo_enc->motion_enabled)
return 0;
- return solo_set_motion_threshold(solo_dev, solo_enc->ch,
ctrl->val);
- case V4L2_CID_MOTION_MODE:
- solo_enc->motion_global = ctrl->val == 1;
- solo_enc->motion_enabled = ctrl->val > 0;
+ return solo_set_motion_threshold(solo_dev, solo_enc->ch,
+ solo_enc->motion_thresh);
+ case V4L2_CID_DETECT_MOTION_MODE:
+ solo_enc->motion_global = ctrl->val ==
V4L2_DETECT_MOTION_GLOBAL;
+ solo_enc->motion_enabled = ctrl->val >
V4L2_DETECT_MOTION_DISABLED;
if (ctrl->val) {
if (solo_enc->motion_global)
solo_set_motion_threshold(solo_dev,
solo_enc->ch,
@@ -1174,6 +1208,21 @@ static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
return 0;
}
+static int solo_subscribe_event(struct v4l2_fh *fh,
+ const struct v4l2_event_subscription *sub)
+{
+
+ switch (sub->type) {
+ case V4L2_EVENT_CTRL:
+ return v4l2_ctrl_subscribe_event(fh, sub);
+ case V4L2_EVENT_MOTION_DET:
+ /* Allow for up to 30 events (1 second for NTSC) to be
+ * stored. */
+ return v4l2_event_subscribe(fh, sub, 30, NULL);
+ }
+ return -EINVAL;
+}
+
static const struct v4l2_file_operations solo_enc_fops = {
.owner = THIS_MODULE,
.open = v4l2_fh_open,
@@ -1216,7 +1265,7 @@ static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
.vidioc_s_matrix = solo_s_matrix,
/* Logging and events */
.vidioc_log_status = v4l2_ctrl_log_status,
- .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_subscribe_event = solo_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
@@ -1233,33 +1282,6 @@ static const struct v4l2_ctrl_ops solo_ctrl_ops = {
.s_ctrl = solo_s_ctrl,
};
-static const struct v4l2_ctrl_config solo_motion_threshold_ctrl = {
- .ops = &solo_ctrl_ops,
- .id = V4L2_CID_MOTION_THRESHOLD,
- .name = "Motion Detection Threshold",
- .type = V4L2_CTRL_TYPE_INTEGER,
- .max = 0xffff,
- .def = SOLO_DEF_MOT_THRESH,
- .step = 1,
- .flags = V4L2_CTRL_FLAG_SLIDER,
-};
-
-static const char * const solo_motion_mode_menu[] = {
- "Disabled",
- "Global Threshold",
- "Regional Threshold",
- NULL
-};
-
-static const struct v4l2_ctrl_config solo_motion_enable_ctrl = {
- .ops = &solo_ctrl_ops,
- .id = V4L2_CID_MOTION_MODE,
- .name = "Motion Detection Mode",
- .type = V4L2_CTRL_TYPE_MENU,
- .qmenu = solo_motion_mode_menu,
- .max = 2,
-};
-
static const struct v4l2_ctrl_config solo_osd_text_ctrl = {
.ops = &solo_ctrl_ops,
.id = V4L2_CID_OSD_TEXT,
@@ -1296,8 +1318,13 @@ static struct solo_enc_dev *solo_enc_alloc(struct
solo_dev *solo_dev,
V4L2_CID_SHARPNESS, 0, 15, 1, 0);
v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps);
- v4l2_ctrl_new_custom(hdl, &solo_motion_threshold_ctrl, NULL);
- v4l2_ctrl_new_custom(hdl, &solo_motion_enable_ctrl, NULL);
+ v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops,
+ V4L2_CID_DETECT_MOTION_MODE,
+ V4L2_DETECT_MOTION_REGIONAL, 0,
+ V4L2_DETECT_MOTION_DISABLED);
+ v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
+ V4L2_CID_DETECT_MOTION_THRESHOLD, 0, 0xff, 1,
+ SOLO_DEF_MOT_THRESH >> 8);
v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL);
if (hdl->error) {
ret = hdl->error;
diff --git a/drivers/staging/media/solo6x10/solo6x10.h
b/drivers/staging/media/solo6x10/solo6x10.h
index 01c8655..df34a31 100644
--- a/drivers/staging/media/solo6x10/solo6x10.h
+++ b/drivers/staging/media/solo6x10/solo6x10.h
@@ -97,14 +97,7 @@
#define SOLO_DEFAULT_GOP 30
#define SOLO_DEFAULT_QP 3
-#ifndef V4L2_BUF_FLAG_MOTION_ON
-#define V4L2_BUF_FLAG_MOTION_ON 0x10000
-#define V4L2_BUF_FLAG_MOTION_DETECTED 0x20000
-#endif
-
#define SOLO_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000)
-#define V4L2_CID_MOTION_MODE (SOLO_CID_CUSTOM_BASE+0)
-#define V4L2_CID_MOTION_THRESHOLD (SOLO_CID_CUSTOM_BASE+1)
#define V4L2_CID_MOTION_TRACE (SOLO_CID_CUSTOM_BASE+2)
#define V4L2_CID_OSD_TEXT (SOLO_CID_CUSTOM_BASE+3)
@@ -174,6 +167,8 @@ struct solo_enc_dev {
struct solo_motion_thresholds motion_thresholds;
bool motion_global;
bool motion_enabled;
+ bool motion_last_state;
+ u8 frames_since_last_motion;
u16 width;
u16 height;
--
1.8.3.2
--
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