/*
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* Copyright 2020 Rockchip Electronics Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define MODULE_TAG "iep2"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "mpp_common.h"
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#include "iep2.h"
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#include "iep2_api.h"
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#include "iep2_ff.h"
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void iep2_check_ffo(struct iep2_api_ctx *ctx)
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{
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RK_U32 tdiff = ctx->output.ff_gradt_tcnt + 1;
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RK_U32 bdiff = ctx->output.ff_gradt_bcnt + 1;
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RK_U32 ff00t = (ctx->output.dect_ff_cur_tcnt << 5) / tdiff;
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RK_U32 ff00b = (ctx->output.dect_ff_cur_bcnt << 5) / bdiff;
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RK_U32 ff11t = (ctx->output.dect_ff_nxt_tcnt << 5) / tdiff;
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RK_U32 ff11b = (ctx->output.dect_ff_nxt_bcnt << 5) / bdiff;
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RK_S32 ff0t1b = (ctx->output.dect_ff_ble_tcnt << 5) / bdiff;
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RK_S32 ff0b1t = (ctx->output.dect_ff_ble_bcnt << 5) / bdiff;
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RK_U32 ff00 = RKMIN(ff00t, ff00b);
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RK_U32 ff11 = RKMIN(ff11t, ff11b);
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RK_U32 ffx = RKMIN(ff0t1b, ff0b1t);
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RK_U32 ffi = RKMAX(ff00, ff11);
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RK_U32 thr = ffx / 10;
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if (ff00t > 100 || ff00b > 100)
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return;
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if (RKABS(ff0t1b - ff0b1t) > thr) {
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if (ff0t1b > ff0b1t) {
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ctx->ff_inf.tff_score = RKCLIP(ctx->ff_inf.tff_score + 1, 0, 10);
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ctx->ff_inf.bff_score = RKCLIP(ctx->ff_inf.bff_score - 1, 0, 10);
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} else {
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ctx->ff_inf.tff_score = RKCLIP(ctx->ff_inf.tff_score - 1, 0, 10);
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ctx->ff_inf.bff_score = RKCLIP(ctx->ff_inf.bff_score + 1, 0, 10);
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}
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}
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ctx->ff_inf.tff_score += ctx->ff_inf.tff_offset;
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ctx->ff_inf.bff_score += ctx->ff_inf.bff_offset;
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if (RKABS(ctx->ff_inf.tff_score - ctx->ff_inf.bff_score) > 5) {
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if (ctx->ff_inf.tff_score > ctx->ff_inf.bff_score) {
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iep_dbg_trace("deinterlace field order tff\n");
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ctx->params.dil_field_order = 0;
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} else {
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iep_dbg_trace("deinterlace field order bff\n");
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ctx->params.dil_field_order = 1;
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}
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ctx->ff_inf.fo_detected = 1;
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} else {
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ctx->ff_inf.fo_detected = 1;
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}
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iep_dbg_trace("deinterlace ffi %u ffx %u\n", ffi, ffx);
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if (ffi > ffx * 2) {
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ctx->ff_inf.frm_score = RKCLIP(ctx->ff_inf.frm_score + 1, 0, 10);
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ctx->ff_inf.fie_score = RKCLIP(ctx->ff_inf.fie_score - 1, 0, 10);
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} else {
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ctx->ff_inf.frm_score = RKCLIP(ctx->ff_inf.frm_score - 1, 0, 10);
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ctx->ff_inf.fie_score = RKCLIP(ctx->ff_inf.fie_score + 1, 0, 10);
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}
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if (RKABS(ctx->ff_inf.frm_score - ctx->ff_inf.fie_score) > 5) {
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if (ctx->ff_inf.frm_score > ctx->ff_inf.fie_score) {
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ctx->ff_inf.is_frm = 1;
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iep_dbg_trace("deinterlace frame mode\n");
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} else {
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ctx->ff_inf.is_frm = 0;
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iep_dbg_trace("deinterlace field mode\n");
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}
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}
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}
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