video: driver: add ROI metadata support

add extra size for input meta buffer
when ROI metadata is enabled.
add dependency of rate control and
color format.

Change-Id: Icefd3f9e319d596f88090cee331417c0b2946180
Signed-off-by: Darshana Patil <darshana@codeaurora.org>

driver/platform/waipio/src/msm_vidc_waipio.c

@@ -119,7 +119,11 @@ static struct msm_platform_inst_capability instance_data_waipio[] = {
 		MSM_VIDC_FMT_NV12C,
 		MSM_VIDC_FMT_NV12 | MSM_VIDC_FMT_NV21 | MSM_VIDC_FMT_NV12C |
 		MSM_VIDC_FMT_RGBA8888 | MSM_VIDC_FMT_RGBA8888C,
-		MSM_VIDC_FMT_NV12C},
+		MSM_VIDC_FMT_NV12C,
+		0, 0,
+		CAP_FLAG_ROOT,
+		{0},
+		{META_ROI_INFO}},
 	{PIX_FMTS, ENC, HEVC,
 		MSM_VIDC_FMT_NV12,
 		MSM_VIDC_FMT_TP10C,
@@ -130,7 +134,7 @@ static struct msm_platform_inst_capability instance_data_waipio[] = {
 		0, 0,
 		CAP_FLAG_ROOT,
 		{0},
-		{PROFILE, MIN_FRAME_QP, MAX_FRAME_QP, I_FRAME_QP}},
+		{PROFILE, MIN_FRAME_QP, MAX_FRAME_QP, I_FRAME_QP, META_ROI_INFO}},
 
 	{PIX_FMTS, DEC, HEVC|HEIC,
 		MSM_VIDC_FMT_NV12,
@@ -335,7 +339,7 @@ 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},
+			SLICE_MODE, META_ROI_INFO},
 		msm_vidc_adjust_bitrate_mode, msm_vidc_set_u32_enum},
 
 	{BITRATE_MODE, ENC, HEVC,
@@ -353,7 +357,7 @@ 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},
+			PEAK_BITRATE, SLICE_MODE, META_ROI_INFO},
 		msm_vidc_adjust_bitrate_mode, msm_vidc_set_u32_enum},
 
 	{LOSSLESS, ENC, HEVC|HEIC,
@@ -1290,7 +1294,11 @@ static struct msm_platform_inst_capability instance_data_waipio[] = {
 		V4L2_MPEG_MSM_VIDC_DISABLE, V4L2_MPEG_MSM_VIDC_ENABLE,
 		1, V4L2_MPEG_MSM_VIDC_DISABLE,
 		V4L2_CID_MPEG_VIDC_METADATA_ROI_INFO,
-		HFI_PROP_ROI_INFO},
+		HFI_PROP_ROI_INFO,
+		CAP_FLAG_INPUT_PORT,
+		{BITRATE_MODE, PIX_FMTS},
+		{0},
+		msm_vidc_adjust_roi_info, NULL},
 
 	/* configure image properties */
 	{FRAME_WIDTH, ENC, HEIC, 512, 16384, 1, 16384},

driver/vidc/inc/msm_vidc_control.h

@@ -39,6 +39,7 @@ 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_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);
 
 int msm_vidc_set_header_mode(void *instance,
 	enum msm_vidc_inst_capability_type cap_id);

driver/vidc/inc/msm_vidc_driver.h

@@ -87,7 +87,8 @@ static inline bool is_input_meta_enabled(struct msm_vidc_inst *inst)
 	} else if (is_encode_session(inst)) {
 		enabled = (inst->capabilities->cap[META_SEQ_HDR_NAL].value ||
 			inst->capabilities->cap[META_EVA_STATS].value ||
-			inst->capabilities->cap[META_BUF_TAG].value);
+			inst->capabilities->cap[META_BUF_TAG].value ||
+			inst->capabilities->cap[META_ROI_INFO].value);
 	}
 	return enabled;
 }

driver/vidc/src/msm_vidc_buffer.c

@@ -340,9 +340,47 @@ skip_calc:
 	return ALIGN(frame_size, SZ_4K);
 }
 
+static inline u32 ROI_METADATA_SIZE(
+	u32 width, u32 height, u32 lcu_size) {
+	u32 lcu_width = 0;
+	u32 lcu_height = 0;
+	u32 n_shift = 0;
+
+	while (lcu_size && !(lcu_size & 0x1)) {
+		n_shift++;
+		lcu_size = lcu_size >> 1;
+	}
+	lcu_width = (width + (lcu_size - 1)) >> n_shift;
+	lcu_height = (height + (lcu_size - 1)) >> n_shift;
+
+	return (((lcu_width + 7) >> 3) << 3) * lcu_height * 2;
+}
+
 u32 msm_vidc_encoder_input_meta_size(struct msm_vidc_inst *inst)
 {
-	return ALIGN(1 * 1024 * 1024, SZ_4K);
+	u32 size = 0;
+	u32 lcu_size = 0;
+	struct v4l2_format *f;
+
+	if (!inst || !inst->capabilities) {
+		d_vpr_e("%s: invalid params\n", __func__);
+		return 0;
+	}
+
+	size = ALIGN(16 * 1024, SZ_4K);
+
+	if (inst->capabilities->cap[META_ROI_INFO].value) {
+		lcu_size = 16;
+
+		f = &inst->fmts[OUTPUT_PORT];
+		if (f->fmt.pix_mp.pixelformat == V4L2_PIX_FMT_HEVC)
+			lcu_size = 32;
+
+		f = &inst->fmts[INPUT_PORT];
+		size += ROI_METADATA_SIZE(f->fmt.pix_mp.width,
+			f->fmt.pix_mp.height, lcu_size);
+	}
+	return size;
 }
 
 u32 msm_vidc_encoder_output_meta_size(struct msm_vidc_inst *inst)

driver/vidc/src/msm_vidc_control.c

@@ -1629,6 +1629,38 @@ int msm_vidc_adjust_session_priority(void *instance, struct v4l2_ctrl *ctrl)
 	return rc;
 }
 
+int msm_vidc_adjust_roi_info(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, pix_fmt = -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[META_ROI_INFO].value;
+
+	if (msm_vidc_get_parent_value(inst, META_ROI_INFO, BITRATE_MODE,
+		&rc_type, __func__))
+		return -EINVAL;
+
+	if (msm_vidc_get_parent_value(inst, META_ROI_INFO, PIX_FMTS,
+		&pix_fmt, __func__))
+		return -EINVAL;
+
+	if (rc_type != HFI_RC_VBR_CFR || !is_8bit_colorformat(pix_fmt))
+		adjusted_value = 0;
+
+	msm_vidc_update_cap_value(inst, META_ROI_INFO,
+		adjusted_value, __func__);
+
+	return 0;
+}
+
 /*
  * Loop over instance capabilities with CAP_FLAG_ROOT
  * and call adjust function, where