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Commit c1cffa88 authored by Saurabh Kothawade's avatar Saurabh Kothawade
Browse files

msm: vidc: Support low latency for decode 



Add support for low latency control for video decode and
set internal structure accordingly. Unlike encode, don't
set any property on firmware for it.

CRs-Fixed: 2092063
Change-Id: Ia9449ea305d5eff5927f8e2ef2a22ab02b65a1b8
Signed-off-by: default avatarSaurabh Kothawade <skothawa@codeaurora.org>
parent 2f89b761

drivers/media/platform/msm/vidc/msm_vdec.c

+17 −0
Original line number Diff line number Diff line
@@ -373,6 +373,15 @@ static struct msm_vidc_ctrl msm_vdec_ctrls[] = { 
		.default_value = 0,

		.step = OPERATING_FRAME_RATE_STEP,

	},

	{

		.id = V4L2_CID_MPEG_VIDC_VIDEO_LOWLATENCY_MODE,

		.name = "Low Latency Mode",

		.type = V4L2_CTRL_TYPE_BOOLEAN,

		.minimum = V4L2_CID_MPEG_VIDC_VIDEO_LOWLATENCY_DISABLE,

		.maximum = V4L2_CID_MPEG_VIDC_VIDEO_LOWLATENCY_ENABLE,

		.default_value = V4L2_CID_MPEG_VIDC_VIDEO_LOWLATENCY_DISABLE,

		.step = 1,

	},

};



#define NUM_CTRLS ARRAY_SIZE(msm_vdec_ctrls)
@@ -1062,6 +1071,14 @@ int msm_vdec_s_ctrl(struct msm_vidc_inst *inst, struct v4l2_ctrl *ctrl) 
				ctrl->val >> 16);

		inst->clk_data.operating_rate = ctrl->val;

		break;

	case V4L2_CID_MPEG_VIDC_VIDEO_LOWLATENCY_MODE:

		if (ctrl->val ==

			V4L2_CID_MPEG_VIDC_VIDEO_LOWLATENCY_ENABLE)

			hal_property.enable = 1;

		else

			hal_property.enable = 0;

		inst->clk_data.low_latency_mode = (bool) hal_property.enable;

		break;

	default:

		break;

	}