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| /*
| * Copyright 2020 Rockchip Electronics Co. LTD
| *
| * Licensed under the Apache License, Version 2.0 (the "License");
| * you may not use this file except in compliance with the License.
| * You may obtain a copy of the License at
| *
| * http://www.apache.org/licenses/LICENSE-2.0
| *
| * Unless required by applicable law or agreed to in writing, software
| * distributed under the License is distributed on an "AS IS" BASIS,
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
| * See the License for the specific language governing permissions and
| * limitations under the License.
| */
|
| #define MODULE_TAG "hal_jpege_base"
|
| #include <string.h>
|
| #include "mpp_mem.h"
| #include "mpp_common.h"
|
| #include "hal_jpege_debug.h"
| #include "hal_jpege_base.h"
|
| const RK_U32 qp_reorder_table[64] = {
| 0, 8, 16, 24, 1, 9, 17, 25, 32, 40, 48, 56, 33, 41, 49, 57,
| 2, 10, 18, 26, 3, 11, 19, 27, 34, 42, 50, 58, 35, 43, 51, 59,
| 4, 12, 20, 28, 5, 13, 21, 29, 36, 44, 52, 60, 37, 45, 53, 61,
| 6, 14, 22, 30, 7, 15, 23, 31, 38, 46, 54, 62, 39, 47, 55, 63
| };
|
| /*
| * from RFC435 spec.
| */
| const RK_U8 jpege_luma_quantizer[QUANTIZE_TABLE_SIZE] = {
| 16, 11, 10, 16, 24, 40, 51, 61,
| 12, 12, 14, 19, 26, 58, 60, 55,
| 14, 13, 16, 24, 40, 57, 69, 56,
| 14, 17, 22, 29, 51, 87, 80, 62,
| 18, 22, 37, 56, 68, 109, 103, 77,
| 24, 35, 55, 64, 81, 104, 113, 92,
| 49, 64, 78, 87, 103, 121, 120, 101,
| 72, 92, 95, 98, 112, 100, 103, 99
| };
|
| const RK_U8 jpege_chroma_quantizer[QUANTIZE_TABLE_SIZE] = {
| 17, 18, 24, 47, 99, 99, 99, 99,
| 18, 21, 26, 66, 99, 99, 99, 99,
| 24, 26, 56, 99, 99, 99, 99, 99,
| 47, 66, 99, 99, 99, 99, 99, 99,
| 99, 99, 99, 99, 99, 99, 99, 99,
| 99, 99, 99, 99, 99, 99, 99, 99,
| 99, 99, 99, 99, 99, 99, 99, 99,
| 99, 99, 99, 99, 99, 99, 99, 99
| };
|
| const RK_U16 jpege_restart_marker[8] = {
| 0xFFD0, 0xFFD1, 0xFFD2, 0xFFD3,
| 0xFFD4, 0xFFD5, 0xFFD6, 0xFFD7,
| };
|
| MPP_RET hal_jpege_vepu_rc(HalJpegeCtx *ctx, HalEncTask *task)
| {
| HalJpegeRc *hal_rc = &ctx->hal_rc;
| EncRcTaskInfo *rc_info = (EncRcTaskInfo *)&task->rc_task->info;
|
| if (rc_info->quality_target != hal_rc->last_quality) {
| RK_U32 i = 0;
| RK_S32 q = 0;
|
| hal_rc->q_factor = 100 - rc_info->quality_target;
| hal_jpege_dbg_input("use qfactor=%d, rc_info->quality_target=%d\n", hal_rc->q_factor, rc_info->quality_target);
|
| q = hal_rc->q_factor;
| if (q < 50)
| q = 5000 / q;
| else
| q = 200 - (q << 1);
|
| for (i = 0; i < QUANTIZE_TABLE_SIZE; i++) {
| RK_S16 lq = (jpege_luma_quantizer[i] * q + 50) / 100;
| RK_S16 cq = (jpege_chroma_quantizer[i] * q + 50) / 100;
|
| /* Limit the quantizers to 1 <= q <= 255 */
| hal_rc->qtable_y[i] = MPP_CLIP3(1, 255, lq);
| hal_rc->qtable_c[i] = MPP_CLIP3(1, 255, cq);
| }
| }
|
| return MPP_OK;
| }
|
| MPP_RET hal_jpege_vepu_init_rc(HalJpegeRc *hal_rc)
| {
| memset(hal_rc, 0, sizeof(HalJpegeRc));
| hal_rc->qtable_y = mpp_malloc(RK_U8, QUANTIZE_TABLE_SIZE);
| hal_rc->qtable_c = mpp_malloc(RK_U8, QUANTIZE_TABLE_SIZE);
|
| if (NULL == hal_rc->qtable_y || NULL == hal_rc->qtable_c) {
| mpp_err_f("qtable is null, malloc err\n");
| return MPP_ERR_MALLOC;
| }
|
| return MPP_OK;
| }
|
| MPP_RET hal_jpege_vepu_deinit_rc(HalJpegeRc *hal_rc)
| {
| MPP_FREE(hal_rc->qtable_y);
| MPP_FREE(hal_rc->qtable_c);
|
| return MPP_OK;
| }
|
| void get_msb_lsb_at_pos(RK_U32 *msb, RK_U32 *lsb, RK_U8 *buf, RK_U32 bytepos)
| {
| RK_U32 val32;
| RK_S32 left_byte = bytepos & 0x7;
| RK_U8 *tmp = buf + (bytepos & (~0x7));
|
| // clear the rest bytes in 64bit
| if (left_byte) {
| RK_U32 i;
|
| for (i = left_byte; i < 8; i++)
| tmp[i] = 0;
| }
|
| val32 = (tmp[0] << 24) |
| (tmp[1] << 16) |
| (tmp[2] << 8) |
| (tmp[3] << 0);
|
| *msb = val32;
|
| if (left_byte > 4) {
| val32 = (tmp[4] << 24) |
| (tmp[5] << 16) |
| (tmp[6] << 8);
| } else
| val32 = 0;
|
| *lsb = val32;
| }
|
|
