solo6*10 boards have configurable quantization parameter which takes
values from 0 to 31, inclusively.
This change enables setting it with ioctl VIDIOC_S_CTRL with id
V4L2_CID_MPEG_VIDEO_H264_MIN_QP.
---
drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
b/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
index b8ff113..bf6eb06 100644
--- a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
+++ b/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
@@ -1111,6 +1111,9 @@ 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_MPEG_VIDEO_H264_MIN_QP:
+ solo_enc->qp = ctrl->val;
+ return 0;
case V4L2_CID_MOTION_THRESHOLD:
solo_enc->motion_thresh = ctrl->val;
if (!solo_enc->motion_global || !solo_enc->motion_enabled)
@@ -1260,6 +1263,8 @@ 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_std(hdl, &solo_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1,
SOLO_DEFAULT_QP);
v4l2_ctrl_new_custom(hdl, &solo_motion_threshold_ctrl, NULL);
v4l2_ctrl_new_custom(hdl, &solo_motion_enable_ctrl, NULL);
v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL);
--
1.8.3.2
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