[PATCH] media: venus: add support for key frame

From: Malathi Gottam
Date: Tue Oct 09 2018 - 04:00:20 EST


When client requests for a keyframe, set the property
to hardware to generate the sync frame.

Signed-off-by: Malathi Gottam <mgottam@xxxxxxxxxxxxxx>
---
drivers/media/platform/qcom/venus/venc_ctrls.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index 45910172..f332c8e 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -81,6 +81,8 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
struct venc_controls *ctr = &inst->controls.enc;
u32 bframes;
int ret;
+ void *ptr;
+ u32 ptype;

switch (ctrl->id) {
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
@@ -173,6 +175,14 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)

ctr->num_b_frames = bframes;
break;
+ case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
+ ptype = HFI_PROPERTY_CONFIG_VENC_REQUEST_SYNC_FRAME;
+ ret = hfi_session_set_property(inst, ptype, ptr);
+
+ if (ret)
+ return ret;
+
+ break;
default:
return -EINVAL;
}
@@ -309,6 +319,9 @@ int venc_ctrl_init(struct venus_inst *inst)
v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_I_PERIOD, 0, (1 << 16) - 1, 1, 0);

+ v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, 0, 0, 0, 0);
+
ret = inst->ctrl_handler.error;
if (ret)
goto err;
--
1.9.1