video: driver: Enable low latency mode for CBR rc type

Enable low latency mode for CBR rc type.

Change-Id: I80230e5d2acab94820b1401ffa6e6fe372398397
Signed-off-by: Akshata Sahukar <[email protected]>

driver/platform/waipio/src/msm_vidc_waipio.c

@@ -352,7 +352,8 @@ static struct msm_platform_inst_capability instance_data_waipio[] = {
 		{LTR_COUNT, IR_RANDOM, TIME_DELTA_BASED_RC, I_FRAME_QP,
 			ENH_LAYER_COUNT, BIT_RATE, CONTENT_ADAPTIVE_CODING,
 			BITRATE_BOOST, MIN_QUALITY, VBV_DELAY, PEAK_BITRATE,
-			SLICE_MODE, META_ROI_INFO, BLUR_TYPES},
+			SLICE_MODE, META_ROI_INFO, BLUR_TYPES,
+			LOWLATENCY_MODE},
 		msm_vidc_adjust_bitrate_mode, msm_vidc_set_u32_enum},
 
 	{BITRATE_MODE, ENC, HEVC,
@@ -370,7 +371,8 @@ static struct msm_platform_inst_capability instance_data_waipio[] = {
 			CONSTANT_QUALITY, ENH_LAYER_COUNT,
 			CONTENT_ADAPTIVE_CODING, BIT_RATE,
 			BITRATE_BOOST, MIN_QUALITY, VBV_DELAY,
-			PEAK_BITRATE, SLICE_MODE, META_ROI_INFO, BLUR_TYPES},
+			PEAK_BITRATE, SLICE_MODE, META_ROI_INFO, BLUR_TYPES,
+			LOWLATENCY_MODE},
 		msm_vidc_adjust_bitrate_mode, msm_vidc_set_u32_enum},
 
 	{LOSSLESS, ENC, HEVC|HEIC,
@@ -468,7 +470,12 @@ static struct msm_platform_inst_capability instance_data_waipio[] = {
 	{LOWLATENCY_MODE, ENC, H264 | HEVC,
 		V4L2_MPEG_MSM_VIDC_DISABLE, V4L2_MPEG_MSM_VIDC_ENABLE,
 		1, V4L2_MPEG_MSM_VIDC_DISABLE,
-		V4L2_CID_MPEG_VIDC_LOWLATENCY_REQUEST},
+		V4L2_CID_MPEG_VIDC_LOWLATENCY_REQUEST,
+		0,
+		CAP_FLAG_NONE,
+		{BITRATE_MODE},
+		{STAGE},
+		msm_vidc_adjust_lowlatency_mode, NULL},
 
 	{LOWLATENCY_MODE, DEC, H264|HEVC|VP9,
 		V4L2_MPEG_MSM_VIDC_DISABLE, V4L2_MPEG_MSM_VIDC_ENABLE,
@@ -1155,6 +1162,17 @@ static struct msm_platform_inst_capability instance_data_waipio[] = {
 		CAP_FLAG_ROOT,
 		{0}, {0},
 		NULL, msm_vidc_set_stage},
+
+	{STAGE, ENC, H264 | HEVC,
+		MSM_VIDC_STAGE_1,
+		MSM_VIDC_STAGE_2, 1,
+		MSM_VIDC_STAGE_2,
+		0,
+		HFI_PROP_STAGE,
+		CAP_FLAG_NONE,
+		{LOWLATENCY_MODE}, {0},
+		NULL, msm_vidc_set_stage},
+
 	{PIPE, DEC|ENC, CODECS_ALL,
 		MSM_VIDC_PIPE_1,
 		MSM_VIDC_PIPE_4, 1,

driver/variant/iris2/src/msm_vidc_iris2.c

@@ -537,7 +537,6 @@ int msm_vidc_decide_work_mode_iris2(struct msm_vidc_inst* inst)
 {
 	u32 work_mode;
 	struct v4l2_format* out_f;
-	struct v4l2_format* inp_f;
 	u32 width, height;
 	bool res_ok = false;
 
@@ -548,7 +547,6 @@ int msm_vidc_decide_work_mode_iris2(struct msm_vidc_inst* inst)
 
 	work_mode = MSM_VIDC_STAGE_2;
 	out_f = &inst->fmts[OUTPUT_PORT];
-	inp_f = &inst->fmts[INPUT_PORT];
 
 	if (is_image_decode_session(inst))
 		work_mode = MSM_VIDC_STAGE_1;
@@ -567,8 +565,8 @@ int msm_vidc_decide_work_mode_iris2(struct msm_vidc_inst* inst)
 			work_mode = MSM_VIDC_STAGE_1;
 		}
 	} else if (is_encode_session(inst)) {
-		height = inp_f->fmt.pix_mp.height;
-		width = inp_f->fmt.pix_mp.width;
+		height = inst->crop.height;
+		width = inst->crop.width;
 		res_ok = !res_is_greater_than(width, height, 4096, 2160);
 		if (res_ok &&
 			(inst->capabilities->cap[LOWLATENCY_MODE].value)) {

driver/vidc/inc/msm_vidc_control.h

@@ -34,6 +34,7 @@ int msm_vidc_adjust_hevc_max_qp(void *instance, struct v4l2_ctrl *ctrl);
 int msm_vidc_adjust_hevc_frame_qp(void *instance, struct v4l2_ctrl *ctrl);
 int msm_vidc_adjust_blur_type(void *instance, struct v4l2_ctrl *ctrl);
 int msm_vidc_adjust_blur_resolution(void *instance, struct v4l2_ctrl *ctrl);
+int msm_vidc_adjust_lowlatency_mode(void *instance, struct v4l2_ctrl *ctrl);
 int msm_vidc_adjust_v4l2_properties(struct msm_vidc_inst *inst);
 int msm_vidc_adjust_session_priority(void *instance, struct v4l2_ctrl *ctrl);
 int msm_vidc_adjust_roi_info(void *instance, struct v4l2_ctrl *ctrl);

driver/vidc/src/msm_vidc_control.c

@@ -1863,6 +1863,36 @@ int msm_vidc_adjust_blur_resolution(void *instance, struct v4l2_ctrl *ctrl)
 	return 0;
 }
 
+int msm_vidc_adjust_lowlatency_mode(void *instance, struct v4l2_ctrl *ctrl)
+{
+	struct msm_vidc_inst_capability *capability;
+	s32 adjusted_value;
+	struct msm_vidc_inst *inst = (struct msm_vidc_inst *) instance;
+	s32 rc_type = -1;
+
+	if (!inst || !inst->capabilities) {
+		d_vpr_e("%s: invalid params\n", __func__);
+		return -EINVAL;
+	}
+	capability = inst->capabilities;
+
+	adjusted_value = ctrl ? ctrl->val :
+		capability->cap[LOWLATENCY_MODE].value;
+
+	if (msm_vidc_get_parent_value(inst, LOWLATENCY_MODE, BITRATE_MODE,
+		&rc_type, __func__))
+		return -EINVAL;
+
+	if (rc_type == HFI_RC_CBR_CFR ||
+		rc_type == HFI_RC_CBR_VFR)
+		adjusted_value = 1;
+
+	msm_vidc_update_cap_value(inst, LOWLATENCY_MODE,
+		adjusted_value, __func__);
+
+	return 0;
+}
+
 int msm_vidc_adjust_session_priority(void *instance, struct v4l2_ctrl *ctrl)
 {
 	int rc = 0;