| /* |
| * |
| * Copyright 2012 Samsung Electronics S.LSI 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. |
| */ |
| |
| /* |
| * @file swconvertor.c |
| * |
| * @brief SEC_OMX specific define |
| * |
| * @author ShinWon Lee (shinwon.lee@samsung.com) |
| * |
| * @version 1.0 |
| * |
| * @history |
| * 2012.02.01 : Create |
| */ |
| |
| #include "stdio.h" |
| #include "stdlib.h" |
| #include "swconverter.h" |
| |
| /* |
| * Get tiled address of position(x,y) |
| * |
| * @param x_size |
| * width of tiled[in] |
| * |
| * @param y_size |
| * height of tiled[in] |
| * |
| * @param x_pos |
| * x position of tield[in] |
| * |
| * @param src_size |
| * y position of tield[in] |
| * |
| * @return |
| * address of tiled data |
| */ |
| static int tile_4x2_read(int x_size, int y_size, int x_pos, int y_pos) |
| { |
| int pixel_x_m1, pixel_y_m1; |
| int roundup_x, roundup_y; |
| int linear_addr0, linear_addr1, bank_addr ; |
| int x_addr; |
| int trans_addr; |
| |
| pixel_x_m1 = x_size -1; |
| pixel_y_m1 = y_size -1; |
| |
| roundup_x = ((pixel_x_m1 >> 7) + 1); |
| roundup_y = ((pixel_x_m1 >> 6) + 1); |
| |
| x_addr = x_pos >> 2; |
| |
| if ((y_size <= y_pos+32) && ( y_pos < y_size) && |
| (((pixel_y_m1 >> 5) & 0x1) == 0) && (((y_pos >> 5) & 0x1) == 0)) { |
| linear_addr0 = (((y_pos & 0x1f) <<4) | (x_addr & 0xf)); |
| linear_addr1 = (((y_pos >> 6) & 0xff) * roundup_x + ((x_addr >> 6) & 0x3f)); |
| |
| if (((x_addr >> 5) & 0x1) == ((y_pos >> 5) & 0x1)) |
| bank_addr = ((x_addr >> 4) & 0x1); |
| else |
| bank_addr = 0x2 | ((x_addr >> 4) & 0x1); |
| } else { |
| linear_addr0 = (((y_pos & 0x1f) << 4) | (x_addr & 0xf)); |
| linear_addr1 = (((y_pos >> 6) & 0xff) * roundup_x + ((x_addr >> 5) & 0x7f)); |
| |
| if (((x_addr >> 5) & 0x1) == ((y_pos >> 5) & 0x1)) |
| bank_addr = ((x_addr >> 4) & 0x1); |
| else |
| bank_addr = 0x2 | ((x_addr >> 4) & 0x1); |
| } |
| |
| linear_addr0 = linear_addr0 << 2; |
| trans_addr = (linear_addr1 <<13) | (bank_addr << 11) | linear_addr0; |
| |
| return trans_addr; |
| } |
| |
| /* |
| * De-interleaves src to dest1, dest2 |
| * |
| * @param dest1 |
| * Address of de-interleaved data[out] |
| * |
| * @param dest2 |
| * Address of de-interleaved data[out] |
| * |
| * @param src |
| * Address of interleaved data[in] |
| * |
| * @param src_size |
| * Size of interleaved data[in] |
| */ |
| void csc_deinterleave_memcpy( |
| unsigned char *dest1, |
| unsigned char *dest2, |
| unsigned char *src, |
| unsigned int src_size) |
| { |
| unsigned int i = 0; |
| for(i=0; i<src_size/2; i++) { |
| dest1[i] = src[i*2]; |
| dest2[i] = src[i*2+1]; |
| } |
| } |
| |
| /* |
| * Interleaves src1, src2 to dest |
| * |
| * @param dest |
| * Address of interleaved data[out] |
| * |
| * @param src1 |
| * Address of de-interleaved data[in] |
| * |
| * @param src2 |
| * Address of de-interleaved data[in] |
| * |
| * @param src_size |
| * Size of de-interleaved data[in] |
| */ |
| void csc_interleave_memcpy( |
| unsigned char *dest, |
| unsigned char *src1, |
| unsigned char *src2, |
| unsigned int src_size) |
| { |
| unsigned int i = 0; |
| for(i=0; i<src_size; i++) { |
| dest[i * 2] = src1[i]; |
| dest[i * 2 + 1] = src2[i]; |
| } |
| } |
| |
| /* |
| * Converts tiled data to linear |
| * Crops left, top, right, buttom |
| * 1. Y of NV12T to Y of YUV420P |
| * 2. Y of NV12T to Y of YUV420S |
| * 3. UV of NV12T to UV of YUV420S |
| * |
| * @param yuv420_dest |
| * Y or UV plane address of YUV420[out] |
| * |
| * @param nv12t_src |
| * Y or UV plane address of NV12T[in] |
| * |
| * @param yuv420_width |
| * Width of YUV420[in] |
| * |
| * @param yuv420_height |
| * Y: Height of YUV420, UV: Height/2 of YUV420[in] |
| * |
| * @param left |
| * Crop size of left |
| * |
| * @param top |
| * Crop size of top |
| * |
| * @param right |
| * Crop size of right |
| * |
| * @param buttom |
| * Crop size of buttom |
| */ |
| static void csc_tiled_to_linear_crop( |
| unsigned char *yuv420_dest, |
| unsigned char *nv12t_src, |
| unsigned int yuv420_width, |
| unsigned int yuv420_height, |
| unsigned int left, |
| unsigned int top, |
| unsigned int right, |
| unsigned int buttom) |
| { |
| unsigned int i, j; |
| unsigned int tiled_offset = 0, tiled_offset1 = 0; |
| unsigned int linear_offset = 0; |
| unsigned int temp1 = 0, temp2 = 0, temp3 = 0, temp4 = 0; |
| |
| temp3 = yuv420_width-right; |
| temp1 = temp3-left; |
| /* real width is greater than or equal 256 */ |
| if (temp1 >= 256) { |
| for (i=top; i<yuv420_height-buttom; i=i+1) { |
| j = left; |
| temp3 = (j>>8)<<8; |
| temp3 = temp3>>6; |
| temp4 = i>>5; |
| if (temp4 & 0x1) { |
| /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */ |
| tiled_offset = temp4-1; |
| temp1 = ((yuv420_width+127)>>7)<<7; |
| tiled_offset = tiled_offset*(temp1>>6); |
| tiled_offset = tiled_offset+temp3; |
| tiled_offset = tiled_offset+2; |
| temp1 = (temp3>>2)<<2; |
| tiled_offset = tiled_offset+temp1; |
| tiled_offset = tiled_offset<<11; |
| tiled_offset1 = tiled_offset+2048*2; |
| temp4 = 8; |
| } else { |
| temp2 = ((yuv420_height+31)>>5)<<5; |
| if ((i+32)<temp2) { |
| /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */ |
| temp1 = temp3+2; |
| temp1 = (temp1>>2)<<2; |
| tiled_offset = temp3+temp1; |
| temp1 = ((yuv420_width+127)>>7)<<7; |
| tiled_offset = tiled_offset+temp4*(temp1>>6); |
| tiled_offset = tiled_offset<<11; |
| tiled_offset1 = tiled_offset+2048*6; |
| temp4 = 8; |
| } else { |
| /* even2 fomula: x+x_block_num*y */ |
| temp1 = ((yuv420_width+127)>>7)<<7; |
| tiled_offset = temp4*(temp1>>6); |
| tiled_offset = tiled_offset+temp3; |
| tiled_offset = tiled_offset<<11; |
| tiled_offset1 = tiled_offset+2048*2; |
| temp4 = 4; |
| } |
| } |
| |
| temp1 = i&0x1F; |
| tiled_offset = tiled_offset+64*(temp1); |
| tiled_offset1 = tiled_offset1+64*(temp1); |
| temp2 = yuv420_width-left-right; |
| linear_offset = temp2*(i-top); |
| temp3 = ((j+256)>>8)<<8; |
| temp3 = temp3-j; |
| temp1 = left&0x3F; |
| if (temp3 > 192) { |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset+temp1, 64-temp1); |
| temp2 = ((left+63)>>6)<<6; |
| temp3 = ((yuv420_width-right)>>6)<<6; |
| if (temp2 == temp3) { |
| temp2 = yuv420_width-right-(64-temp1); |
| } |
| memcpy(yuv420_dest+linear_offset+64-temp1, nv12t_src+tiled_offset+2048, 64); |
| memcpy(yuv420_dest+linear_offset+128-temp1, nv12t_src+tiled_offset1, 64); |
| memcpy(yuv420_dest+linear_offset+192-temp1, nv12t_src+tiled_offset1+2048, 64); |
| linear_offset = linear_offset+256-temp1; |
| } else if (temp3 > 128) { |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset+2048+temp1, 64-temp1); |
| memcpy(yuv420_dest+linear_offset+64-temp1, nv12t_src+tiled_offset1, 64); |
| memcpy(yuv420_dest+linear_offset+128-temp1, nv12t_src+tiled_offset1+2048, 64); |
| linear_offset = linear_offset+192-temp1; |
| } else if (temp3 > 64) { |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset1+temp1, 64-temp1); |
| memcpy(yuv420_dest+linear_offset+64-temp1, nv12t_src+tiled_offset1+2048, 64); |
| linear_offset = linear_offset+128-temp1; |
| } else if (temp3 > 0) { |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset1+2048+temp1, 64-temp1); |
| linear_offset = linear_offset+64-temp1; |
| } |
| |
| tiled_offset = tiled_offset+temp4*2048; |
| j = (left>>8)<<8; |
| j = j + 256; |
| temp2 = yuv420_width-right-256; |
| for (; j<=temp2; j=j+256) { |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64); |
| tiled_offset1 = tiled_offset1+temp4*2048; |
| memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, 64); |
| memcpy(yuv420_dest+linear_offset+128, nv12t_src+tiled_offset1, 64); |
| tiled_offset = tiled_offset+temp4*2048; |
| memcpy(yuv420_dest+linear_offset+192, nv12t_src+tiled_offset1+2048, 64); |
| linear_offset = linear_offset+256; |
| } |
| |
| tiled_offset1 = tiled_offset1+temp4*2048; |
| temp2 = yuv420_width-right-j; |
| if (temp2 > 192) { |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64); |
| memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, 64); |
| memcpy(yuv420_dest+linear_offset+128, nv12t_src+tiled_offset1, 64); |
| memcpy(yuv420_dest+linear_offset+192, nv12t_src+tiled_offset1+2048, temp2-192); |
| } else if (temp2 > 128) { |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64); |
| memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, 64); |
| memcpy(yuv420_dest+linear_offset+128, nv12t_src+tiled_offset1, temp2-128); |
| } else if (temp2 > 64) { |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64); |
| memcpy(yuv420_dest+linear_offset+64, nv12t_src+tiled_offset+2048, temp2-64); |
| } else { |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, temp2); |
| } |
| } |
| } else if (temp1 >= 64) { |
| for (i=top; i<(yuv420_height-buttom); i=i+1) { |
| j = left; |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_height, j, i); |
| temp2 = ((j+64)>>6)<<6; |
| temp2 = temp2-j; |
| linear_offset = temp1*(i-top); |
| temp4 = j&0x3; |
| tiled_offset = tiled_offset+temp4; |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, temp2); |
| linear_offset = linear_offset+temp2; |
| j = j+temp2; |
| if ((j+64) <= temp3) { |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_height, j, i); |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64); |
| linear_offset = linear_offset+64; |
| j = j+64; |
| } |
| if ((j+64) <= temp3) { |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_height, j, i); |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 64); |
| linear_offset = linear_offset+64; |
| j = j+64; |
| } |
| if (j < temp3) { |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_height, j, i); |
| temp2 = temp3-j; |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, temp2); |
| } |
| } |
| } else { |
| for (i=top; i<(yuv420_height-buttom); i=i+1) { |
| linear_offset = temp1*(i-top); |
| for (j=left; j<(yuv420_width-right); j=j+2) { |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_height, j, i); |
| temp4 = j&0x3; |
| tiled_offset = tiled_offset+temp4; |
| memcpy(yuv420_dest+linear_offset, nv12t_src+tiled_offset, 2); |
| linear_offset = linear_offset+2; |
| } |
| } |
| } |
| } |
| |
| /* |
| * Converts and Deinterleaves tiled data to linear |
| * Crops left, top, right, buttom |
| * 1. UV of NV12T to UV of YUV420P |
| * |
| * @param yuv420_u_dest |
| * U plane address of YUV420P[out] |
| * |
| * @param yuv420_v_dest |
| * V plane address of YUV420P[out] |
| * |
| * @param nv12t_src |
| * UV plane address of NV12T[in] |
| * |
| * @param yuv420_width |
| * Width of YUV420[in] |
| * |
| * @param yuv420_uv_height |
| * Height/2 of YUV420[in] |
| * |
| * @param left |
| * Crop size of left |
| * |
| * @param top |
| * Crop size of top |
| * |
| * @param right |
| * Crop size of right |
| * |
| * @param buttom |
| * Crop size of buttom |
| */ |
| static void csc_tiled_to_linear_deinterleave_crop( |
| unsigned char *yuv420_u_dest, |
| unsigned char *yuv420_v_dest, |
| unsigned char *nv12t_uv_src, |
| unsigned int yuv420_width, |
| unsigned int yuv420_uv_height, |
| unsigned int left, |
| unsigned int top, |
| unsigned int right, |
| unsigned int buttom) |
| { |
| unsigned int i, j; |
| unsigned int tiled_offset = 0, tiled_offset1 = 0; |
| unsigned int linear_offset = 0; |
| unsigned int temp1 = 0, temp2 = 0, temp3 = 0, temp4 = 0; |
| |
| temp3 = yuv420_width-right; |
| temp1 = temp3-left; |
| /* real width is greater than or equal 256 */ |
| if (temp1 >= 256) { |
| for (i=top; i<yuv420_uv_height-buttom; i=i+1) { |
| j = left; |
| temp3 = (j>>8)<<8; |
| temp3 = temp3>>6; |
| temp4 = i>>5; |
| if (temp4 & 0x1) { |
| /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */ |
| tiled_offset = temp4-1; |
| temp1 = ((yuv420_width+127)>>7)<<7; |
| tiled_offset = tiled_offset*(temp1>>6); |
| tiled_offset = tiled_offset+temp3; |
| tiled_offset = tiled_offset+2; |
| temp1 = (temp3>>2)<<2; |
| tiled_offset = tiled_offset+temp1; |
| tiled_offset = tiled_offset<<11; |
| tiled_offset1 = tiled_offset+2048*2; |
| temp4 = 8; |
| } else { |
| temp2 = ((yuv420_uv_height+31)>>5)<<5; |
| if ((i+32)<temp2) { |
| /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */ |
| temp1 = temp3+2; |
| temp1 = (temp1>>2)<<2; |
| tiled_offset = temp3+temp1; |
| temp1 = ((yuv420_width+127)>>7)<<7; |
| tiled_offset = tiled_offset+temp4*(temp1>>6); |
| tiled_offset = tiled_offset<<11; |
| tiled_offset1 = tiled_offset+2048*6; |
| temp4 = 8; |
| } else { |
| /* even2 fomula: x+x_block_num*y */ |
| temp1 = ((yuv420_width+127)>>7)<<7; |
| tiled_offset = temp4*(temp1>>6); |
| tiled_offset = tiled_offset+temp3; |
| tiled_offset = tiled_offset<<11; |
| tiled_offset1 = tiled_offset+2048*2; |
| temp4 = 4; |
| } |
| } |
| |
| temp1 = i&0x1F; |
| tiled_offset = tiled_offset+64*(temp1); |
| tiled_offset1 = tiled_offset1+64*(temp1); |
| temp2 = yuv420_width-left-right; |
| linear_offset = temp2*(i-top)/2; |
| temp3 = ((j+256)>>8)<<8; |
| temp3 = temp3-j; |
| temp1 = left&0x3F; |
| if (temp3 > 192) { |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, yuv420_v_dest+linear_offset, nv12t_uv_src+tiled_offset+temp1, 64-temp1); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+(32-temp1/2), |
| yuv420_v_dest+linear_offset+(32-temp1/2), |
| nv12t_uv_src+tiled_offset+2048, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+(64-temp1/2), |
| yuv420_v_dest+linear_offset+(64-temp1/2), |
| nv12t_uv_src+tiled_offset1, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+(96-temp1/2), |
| yuv420_v_dest+linear_offset+(96-temp1/2), |
| nv12t_uv_src+tiled_offset1+2048, 64); |
| linear_offset = linear_offset+128-temp1/2; |
| } else if (temp3 > 128) { |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset+2048+temp1, 64-temp1); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+(32-temp1/2), |
| yuv420_v_dest+linear_offset+(32-temp1/2), |
| nv12t_uv_src+tiled_offset1, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+(64-temp1/2), |
| yuv420_v_dest+linear_offset+(64-temp1/2), |
| nv12t_uv_src+tiled_offset1+2048, 64); |
| linear_offset = linear_offset+96-temp1/2; |
| } else if (temp3 > 64) { |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset1+temp1, 64-temp1); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+(32-temp1/2), |
| yuv420_v_dest+linear_offset+(32-temp1/2), |
| nv12t_uv_src+tiled_offset1+2048, 64); |
| linear_offset = linear_offset+64-temp1/2; |
| } else if (temp3 > 0) { |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset1+2048+temp1, 64-temp1); |
| linear_offset = linear_offset+32-temp1/2; |
| } |
| |
| tiled_offset = tiled_offset+temp4*2048; |
| j = (left>>8)<<8; |
| j = j + 256; |
| temp2 = yuv420_width-right-256; |
| for (; j<=temp2; j=j+256) { |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, 64); |
| tiled_offset1 = tiled_offset1+temp4*2048; |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+32, |
| yuv420_v_dest+linear_offset+32, |
| nv12t_uv_src+tiled_offset+2048, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+64, |
| yuv420_v_dest+linear_offset+64, |
| nv12t_uv_src+tiled_offset1, 64); |
| tiled_offset = tiled_offset+temp4*2048; |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+96, |
| yuv420_v_dest+linear_offset+96, |
| nv12t_uv_src+tiled_offset1+2048, 64); |
| linear_offset = linear_offset+128; |
| } |
| |
| tiled_offset1 = tiled_offset1+temp4*2048; |
| temp2 = yuv420_width-right-j; |
| if (temp2 > 192) { |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+32, |
| yuv420_v_dest+linear_offset+32, |
| nv12t_uv_src+tiled_offset+2048, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+64, |
| yuv420_v_dest+linear_offset+64, |
| nv12t_uv_src+tiled_offset1, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+96, |
| yuv420_v_dest+linear_offset+96, |
| nv12t_uv_src+tiled_offset1+2048, temp2-192); |
| } else if (temp2 > 128) { |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+32, |
| yuv420_v_dest+linear_offset+32, |
| nv12t_uv_src+tiled_offset+2048, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+64, |
| yuv420_v_dest+linear_offset+64, |
| nv12t_uv_src+tiled_offset1, temp2-128); |
| } else if (temp2 > 64) { |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, 64); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset+32, |
| yuv420_v_dest+linear_offset+32, |
| nv12t_uv_src+tiled_offset+2048, temp2-64); |
| } else { |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, temp2); |
| } |
| } |
| } else if (temp1 >= 64) { |
| for (i=top; i<(yuv420_uv_height-buttom); i=i+1) { |
| j = left; |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_uv_height, j, i); |
| temp2 = ((j+64)>>6)<<6; |
| temp2 = temp2-j; |
| temp3 = yuv420_width-right; |
| temp4 = temp3-left; |
| linear_offset = temp4*(i-top)/2; |
| temp4 = j&0x3; |
| tiled_offset = tiled_offset+temp4; |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, temp2); |
| linear_offset = linear_offset+temp2/2; |
| j = j+temp2; |
| if ((j+64) <= temp3) { |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_uv_height, j, i); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, 64); |
| linear_offset = linear_offset+32; |
| j = j+64; |
| } |
| if ((j+64) <= temp3) { |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_uv_height, j, i); |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, 64); |
| linear_offset = linear_offset+32; |
| j = j+64; |
| } |
| if (j < temp3) { |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_uv_height, j, i); |
| temp1 = temp3-j; |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, temp1); |
| } |
| } |
| } else { |
| for (i=top; i<(yuv420_uv_height-buttom); i=i+1) { |
| temp3 = yuv420_width-right; |
| temp4 = temp3-left; |
| linear_offset = temp4*(i-top)/2; |
| for (j=left; j<(yuv420_width-right); j=j+2) { |
| tiled_offset = tile_4x2_read(yuv420_width, yuv420_uv_height, j, i); |
| temp3 = j&0x3; |
| tiled_offset = tiled_offset+temp3; |
| csc_deinterleave_memcpy(yuv420_u_dest+linear_offset, |
| yuv420_v_dest+linear_offset, |
| nv12t_uv_src+tiled_offset, 2); |
| linear_offset = linear_offset+1; |
| } |
| } |
| } |
| } |
| |
| /* |
| * Converts linear data to tiled |
| * Crops left, top, right, buttom |
| * 1. Y of YUV420P to Y of NV12T |
| * 2. Y of YUV420S to Y of NV12T |
| * 3. UV of YUV420S to UV of NV12T |
| * |
| * @param nv12t_dest |
| * Y or UV plane address of NV12T[out] |
| * |
| * @param yuv420_src |
| * Y or UV plane address of YUV420P(S)[in] |
| * |
| * @param yuv420_width |
| * Width of YUV420[in] |
| * |
| * @param yuv420_height |
| * Y: Height of YUV420, UV: Height/2 of YUV420[in] |
| * |
| * @param left |
| * Crop size of left |
| * |
| * @param top |
| * Crop size of top |
| * |
| * @param right |
| * Crop size of right |
| * |
| * @param buttom |
| * Crop size of buttom |
| */ |
| static void csc_linear_to_tiled_crop( |
| unsigned char *nv12t_dest, |
| unsigned char *yuv420_src, |
| unsigned int yuv420_width, |
| unsigned int yuv420_height, |
| unsigned int left, |
| unsigned int top, |
| unsigned int right, |
| unsigned int buttom) |
| { |
| unsigned int i, j; |
| unsigned int tiled_x_index = 0, tiled_y_index = 0; |
| unsigned int aligned_x_size = 0, aligned_y_size = 0; |
| unsigned int tiled_offset = 0; |
| unsigned int temp1 = 0, temp2 = 0; |
| |
| aligned_y_size = ((yuv420_height-top-buttom)>>5)<<5; |
| aligned_x_size = ((yuv420_width-left-right)>>6)<<6; |
| |
| for (i=0; i<aligned_y_size; i=i+32) { |
| for (j=0; j<aligned_x_size; j=j+64) { |
| tiled_offset = 0; |
| tiled_x_index = j>>6; |
| tiled_y_index = i>>5; |
| if (tiled_y_index & 0x1) { |
| /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */ |
| tiled_offset = tiled_y_index-1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset+2; |
| temp1 = (tiled_x_index>>2)<<2; |
| tiled_offset = tiled_offset+temp1; |
| tiled_offset = tiled_offset<<11; |
| } else { |
| temp2 = (((yuv420_height-top-buttom)+31)>>5)<<5; |
| if ((i+32)<temp2) { |
| /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */ |
| temp1 = tiled_x_index+2; |
| temp1 = (temp1>>2)<<2; |
| tiled_offset = tiled_x_index+temp1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset+tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset<<11; |
| } else { |
| /* even2 fomula: x+x_block_num*y */ |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset<<11; |
| } |
| } |
| |
| memcpy(nv12t_dest+tiled_offset, yuv420_src+left+j+yuv420_width*(i+top), 64); |
| memcpy(nv12t_dest+tiled_offset+64*1, yuv420_src+left+j+yuv420_width*(i+top+1), 64); |
| memcpy(nv12t_dest+tiled_offset+64*2, yuv420_src+left+j+yuv420_width*(i+top+2), 64); |
| memcpy(nv12t_dest+tiled_offset+64*3, yuv420_src+left+j+yuv420_width*(i+top+3), 64); |
| memcpy(nv12t_dest+tiled_offset+64*4, yuv420_src+left+j+yuv420_width*(i+top+4), 64); |
| memcpy(nv12t_dest+tiled_offset+64*5, yuv420_src+left+j+yuv420_width*(i+top+5), 64); |
| memcpy(nv12t_dest+tiled_offset+64*6, yuv420_src+left+j+yuv420_width*(i+top+6), 64); |
| memcpy(nv12t_dest+tiled_offset+64*7, yuv420_src+left+j+yuv420_width*(i+top+7), 64); |
| memcpy(nv12t_dest+tiled_offset+64*8, yuv420_src+left+j+yuv420_width*(i+top+8), 64); |
| memcpy(nv12t_dest+tiled_offset+64*9, yuv420_src+left+j+yuv420_width*(i+top+9), 64); |
| memcpy(nv12t_dest+tiled_offset+64*10, yuv420_src+left+j+yuv420_width*(i+top+10), 64); |
| memcpy(nv12t_dest+tiled_offset+64*11, yuv420_src+left+j+yuv420_width*(i+top+11), 64); |
| memcpy(nv12t_dest+tiled_offset+64*12, yuv420_src+left+j+yuv420_width*(i+top+12), 64); |
| memcpy(nv12t_dest+tiled_offset+64*13, yuv420_src+left+j+yuv420_width*(i+top+13), 64); |
| memcpy(nv12t_dest+tiled_offset+64*14, yuv420_src+left+j+yuv420_width*(i+top+14), 64); |
| memcpy(nv12t_dest+tiled_offset+64*15, yuv420_src+left+j+yuv420_width*(i+top+15), 64); |
| memcpy(nv12t_dest+tiled_offset+64*16, yuv420_src+left+j+yuv420_width*(i+top+16), 64); |
| memcpy(nv12t_dest+tiled_offset+64*17, yuv420_src+left+j+yuv420_width*(i+top+17), 64); |
| memcpy(nv12t_dest+tiled_offset+64*18, yuv420_src+left+j+yuv420_width*(i+top+18), 64); |
| memcpy(nv12t_dest+tiled_offset+64*19, yuv420_src+left+j+yuv420_width*(i+top+19), 64); |
| memcpy(nv12t_dest+tiled_offset+64*20, yuv420_src+left+j+yuv420_width*(i+top+20), 64); |
| memcpy(nv12t_dest+tiled_offset+64*21, yuv420_src+left+j+yuv420_width*(i+top+21), 64); |
| memcpy(nv12t_dest+tiled_offset+64*22, yuv420_src+left+j+yuv420_width*(i+top+22), 64); |
| memcpy(nv12t_dest+tiled_offset+64*23, yuv420_src+left+j+yuv420_width*(i+top+23), 64); |
| memcpy(nv12t_dest+tiled_offset+64*24, yuv420_src+left+j+yuv420_width*(i+top+24), 64); |
| memcpy(nv12t_dest+tiled_offset+64*25, yuv420_src+left+j+yuv420_width*(i+top+25), 64); |
| memcpy(nv12t_dest+tiled_offset+64*26, yuv420_src+left+j+yuv420_width*(i+top+26), 64); |
| memcpy(nv12t_dest+tiled_offset+64*27, yuv420_src+left+j+yuv420_width*(i+top+27), 64); |
| memcpy(nv12t_dest+tiled_offset+64*28, yuv420_src+left+j+yuv420_width*(i+top+28), 64); |
| memcpy(nv12t_dest+tiled_offset+64*29, yuv420_src+left+j+yuv420_width*(i+top+29), 64); |
| memcpy(nv12t_dest+tiled_offset+64*30, yuv420_src+left+j+yuv420_width*(i+top+30), 64); |
| memcpy(nv12t_dest+tiled_offset+64*31, yuv420_src+left+j+yuv420_width*(i+top+31), 64); |
| } |
| } |
| |
| for (i=aligned_y_size; i<(yuv420_height-top-buttom); i=i+2) { |
| for (j=0; j<aligned_x_size; j=j+64) { |
| tiled_offset = 0; |
| tiled_x_index = j>>6; |
| tiled_y_index = i>>5; |
| if (tiled_y_index & 0x1) { |
| /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */ |
| tiled_offset = tiled_y_index-1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset+2; |
| temp1 = (tiled_x_index>>2)<<2; |
| tiled_offset = tiled_offset+temp1; |
| tiled_offset = tiled_offset<<11; |
| } else { |
| temp2 = (((yuv420_height-top-buttom)+31)>>5)<<5; |
| if ((i+32)<temp2) { |
| /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */ |
| temp1 = tiled_x_index+2; |
| temp1 = (temp1>>2)<<2; |
| tiled_offset = tiled_x_index+temp1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset+tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset<<11; |
| } else { |
| /* even2 fomula: x+x_block_num*y */ |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset<<11; |
| } |
| } |
| |
| temp1 = i&0x1F; |
| memcpy(nv12t_dest+tiled_offset+64*(temp1), yuv420_src+left+j+yuv420_width*(i+top), 64); |
| memcpy(nv12t_dest+tiled_offset+64*(temp1+1), yuv420_src+left+j+yuv420_width*(i+top+1), 64); |
| } |
| } |
| |
| for (i=0; i<(yuv420_height-top-buttom); i=i+2) { |
| for (j=aligned_x_size; j<(yuv420_width-left-right); j=j+2) { |
| tiled_offset = 0; |
| tiled_x_index = j>>6; |
| tiled_y_index = i>>5; |
| if (tiled_y_index & 0x1) { |
| /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */ |
| tiled_offset = tiled_y_index-1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset+2; |
| temp1 = (tiled_x_index>>2)<<2; |
| tiled_offset = tiled_offset+temp1; |
| tiled_offset = tiled_offset<<11; |
| } else { |
| temp2 = (((yuv420_height-top-buttom)+31)>>5)<<5; |
| if ((i+32)<temp2) { |
| /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */ |
| temp1 = tiled_x_index+2; |
| temp1 = (temp1>>2)<<2; |
| tiled_offset = tiled_x_index+temp1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset+tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset<<11; |
| } else { |
| /* even2 fomula: x+x_block_num*y */ |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset<<11; |
| } |
| } |
| |
| temp1 = i&0x1F; |
| temp2 = j&0x3F; |
| memcpy(nv12t_dest+tiled_offset+temp2+64*(temp1), yuv420_src+left+j+yuv420_width*(i+top), 2); |
| memcpy(nv12t_dest+tiled_offset+temp2+64*(temp1+1), yuv420_src+left+j+yuv420_width*(i+top+1), 2); |
| } |
| } |
| |
| } |
| |
| /* |
| * Converts and Interleaves linear to tiled |
| * Crops left, top, right, buttom |
| * 1. UV of YUV420P to UV of NV12T |
| * |
| * @param nv12t_uv_dest |
| * UV plane address of NV12T[out] |
| * |
| * @param yuv420p_u_src |
| * U plane address of YUV420P[in] |
| * |
| * @param yuv420p_v_src |
| * V plane address of YUV420P[in] |
| * |
| * @param yuv420_width |
| * Width of YUV420[in] |
| * |
| * @param yuv420_uv_height |
| * Height/2 of YUV420[in] |
| * |
| * @param left |
| * Crop size of left |
| * |
| * @param top |
| * Crop size of top |
| * |
| * @param right |
| * Crop size of right |
| * |
| * @param buttom |
| * Crop size of buttom |
| */ |
| static void csc_linear_to_tiled_interleave_crop( |
| unsigned char *nv12t_uv_dest, |
| unsigned char *yuv420_u_src, |
| unsigned char *yuv420_v_src, |
| unsigned int yuv420_width, |
| unsigned int yuv420_height, |
| unsigned int left, |
| unsigned int top, |
| unsigned int right, |
| unsigned int buttom) |
| { |
| unsigned int i, j; |
| unsigned int tiled_x_index = 0, tiled_y_index = 0; |
| unsigned int aligned_x_size = 0, aligned_y_size = 0; |
| unsigned int tiled_offset = 0; |
| unsigned int temp1 = 0, temp2 = 0; |
| |
| aligned_y_size = ((yuv420_height-top-buttom)>>5)<<5; |
| aligned_x_size = ((yuv420_width-left-right)>>6)<<6; |
| |
| for (i=0; i<aligned_y_size; i=i+32) { |
| for (j=0; j<aligned_x_size; j=j+64) { |
| tiled_offset = 0; |
| tiled_x_index = j>>6; |
| tiled_y_index = i>>5; |
| if (tiled_y_index & 0x1) { |
| /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */ |
| tiled_offset = tiled_y_index-1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset+2; |
| temp1 = (tiled_x_index>>2)<<2; |
| tiled_offset = tiled_offset+temp1; |
| tiled_offset = tiled_offset<<11; |
| } else { |
| temp2 = (((yuv420_height-top-buttom)+31)>>5)<<5; |
| if ((i+32)<temp2) { |
| /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */ |
| temp1 = tiled_x_index+2; |
| temp1 = (temp1>>2)<<2; |
| tiled_offset = tiled_x_index+temp1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset+tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset<<11; |
| } else { |
| /* even2 fomula: x+x_block_num*y */ |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset<<11; |
| } |
| } |
| |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*1, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+1), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+1), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*2, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+2), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+2), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*3, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+3), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+3), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*4, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+4), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+4), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*5, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+5), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+5), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*6, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+6), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+6), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*7, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+7), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+7), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*8, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+8), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+8), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*9, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+9), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+9), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*10, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+10), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+10), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*11, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+11), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+11), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*12, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+12), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+12), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*13, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+13), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+13), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*14, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+14), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+14), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*15, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+15), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+15), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*16, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+16), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+16), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*17, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+17), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+17), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*18, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+18), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+18), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*19, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+19), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+19), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*20, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+20), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+20), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*21, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+21), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+21), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*22, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+22), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+22), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*23, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+23), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+23), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*24, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+24), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+24), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*25, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+25), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+25), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*26, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+26), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+26), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*27, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+27), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+27), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*28, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+28), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+28), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*29, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+29), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+29), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*30, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+30), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+30), 32); |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*31, |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top+31), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top+31), 32); |
| |
| } |
| } |
| |
| for (i=aligned_y_size; i<(yuv420_height-top-buttom); i=i+1) { |
| for (j=0; j<aligned_x_size; j=j+64) { |
| tiled_offset = 0; |
| tiled_x_index = j>>6; |
| tiled_y_index = i>>5; |
| if (tiled_y_index & 0x1) { |
| /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */ |
| tiled_offset = tiled_y_index-1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset+2; |
| temp1 = (tiled_x_index>>2)<<2; |
| tiled_offset = tiled_offset+temp1; |
| tiled_offset = tiled_offset<<11; |
| } else { |
| temp2 = (((yuv420_height-top-buttom)+31)>>5)<<5; |
| if ((i+32)<temp2) { |
| /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */ |
| temp1 = tiled_x_index+2; |
| temp1 = (temp1>>2)<<2; |
| tiled_offset = tiled_x_index+temp1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset+tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset<<11; |
| } else { |
| /* even2 fomula: x+x_block_num*y */ |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset<<11; |
| } |
| } |
| temp1 = i&0x1F; |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+64*(temp1), |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top), 32); |
| } |
| } |
| |
| for (i=0; i<(yuv420_height-top-buttom); i=i+1) { |
| for (j=aligned_x_size; j<(yuv420_width-left-right); j=j+2) { |
| tiled_offset = 0; |
| tiled_x_index = j>>6; |
| tiled_y_index = i>>5; |
| if (tiled_y_index & 0x1) { |
| /* odd fomula: 2+x+(x>>2)<<2+x_block_num*(y-1) */ |
| tiled_offset = tiled_y_index-1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset+2; |
| temp1 = (tiled_x_index>>2)<<2; |
| tiled_offset = tiled_offset+temp1; |
| tiled_offset = tiled_offset<<11; |
| } else { |
| temp2 = (((yuv420_height-top-buttom)+31)>>5)<<5; |
| if ((i+32)<temp2) { |
| /* even1 fomula: x+((x+2)>>2)<<2+x_block_num*y */ |
| temp1 = tiled_x_index+2; |
| temp1 = (temp1>>2)<<2; |
| tiled_offset = tiled_x_index+temp1; |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_offset+tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset<<11; |
| } else { |
| /* even2 fomula: x+x_block_num*y */ |
| temp1 = (((yuv420_width-left-right)+127)>>7)<<7; |
| tiled_offset = tiled_y_index*(temp1>>6); |
| tiled_offset = tiled_offset+tiled_x_index; |
| tiled_offset = tiled_offset<<11; |
| } |
| } |
| temp1 = i&0x1F; |
| temp2 = j&0x3F; |
| csc_interleave_memcpy(nv12t_uv_dest+tiled_offset+temp2+64*(temp1), |
| yuv420_u_src+left/2+j/2+yuv420_width/2*(i+top), |
| yuv420_v_src+left/2+j/2+yuv420_width/2*(i+top), 1); |
| } |
| } |
| |
| } |
| |
| |
| /* |
| * Converts tiled data to linear |
| * Crops left, top, right, buttom |
| * 1. Y of NV12T to Y of YUV420P |
| * 2. Y of NV12T to Y of YUV420S |
| * 3. UV of NV12T to UV of YUV420S |
| * |
| * @param yuv420_dest |
| * Y or UV plane address of YUV420[out] |
| * |
| * @param nv12t_src |
| * Y or UV plane address of NV12T[in] |
| * |
| * @param yuv420_width |
| * Width of YUV420[in] |
| * |
| * @param yuv420_height |
| * Y: Height of YUV420, UV: Height/2 of YUV420[in] |
| * |
| * @param left |
| * Crop size of left |
| * |
| * @param top |
| * Crop size of top |
| * |
| * @param right |
| * Crop size of right |
| * |
| * @param buttom |
| * Crop size of buttom |
| */ |
| void csc_tiled_to_linear_crop_neon( |
| unsigned char *yuv420_dest, |
| unsigned char *nv12t_src, |
| unsigned int yuv420_width, |
| unsigned int yuv420_height, |
| unsigned int left, |
| unsigned int top, |
| unsigned int right, |
| unsigned int buttom); |
| |
| /* |
| * Converts and Deinterleaves tiled data to linear |
| * Crops left, top, right, buttom |
| * 1. UV of NV12T to UV of YUV420P |
| * |
| * @param yuv420_u_dest |
| * U plane address of YUV420P[out] |
| * |
| * @param yuv420_v_dest |
| * V plane address of YUV420P[out] |
| * |
| * @param nv12t_src |
| * UV plane address of NV12T[in] |
| * |
| * @param yuv420_width |
| * Width of YUV420[in] |
| * |
| * @param yuv420_uv_height |
| * Height/2 of YUV420[in] |
| * |
| * @param left |
| * Crop size of left |
| * |
| * @param top |
| * Crop size of top |
| * |
| * @param right |
| * Crop size of right |
| * |
| * @param buttom |
| * Crop size of buttom |
| */ |
| void csc_tiled_to_linear_deinterleave_crop_neon( |
| unsigned char *yuv420_u_dest, |
| unsigned char *yuv420_v_dest, |
| unsigned char *nv12t_uv_src, |
| unsigned int yuv420_width, |
| unsigned int yuv420_uv_height, |
| unsigned int left, |
| unsigned int top, |
| unsigned int right, |
| unsigned int buttom); |
| |
| /* |
| * Converts linear data to tiled |
| * Crops left, top, right, buttom |
| * 1. Y of YUV420P to Y of NV12T |
| * 2. Y of YUV420S to Y of NV12T |
| * 3. UV of YUV420S to UV of NV12T |
| * |
| * @param nv12t_dest |
| * Y or UV plane address of NV12T[out] |
| * |
| * @param yuv420_src |
| * Y or UV plane address of YUV420P(S)[in] |
| * |
| * @param yuv420_width |
| * Width of YUV420[in] |
| * |
| * @param yuv420_height |
| * Y: Height of YUV420, UV: Height/2 of YUV420[in] |
| * |
| * @param left |
| * Crop size of left |
| * |
| * @param top |
| * Crop size of top |
| * |
| * @param right |
| * Crop size of right |
| * |
| * @param buttom |
| * Crop size of buttom |
| */ |
| void csc_linear_to_tiled_crop_neon( |
| unsigned char *nv12t_dest, |
| unsigned char *yuv420_src, |
| unsigned int yuv420_width, |
| unsigned int yuv420_height, |
| unsigned int left, |
| unsigned int top, |
| unsigned int right, |
| unsigned int buttom); |
| |
| /* |
| * Converts and Interleaves linear to tiled |
| * Crops left, top, right, buttom |
| * 1. UV of YUV420P to UV of NV12T |
| * |
| * @param nv12t_uv_dest |
| * UV plane address of NV12T[out] |
| * |
| * @param yuv420p_u_src |
| * U plane address of YUV420P[in] |
| * |
| * @param yuv420p_v_src |
| * V plane address of YUV420P[in] |
| * |
| * @param yuv420_width |
| * Width of YUV420[in] |
| * |
| * @param yuv420_uv_height |
| * Height/2 of YUV420[in] |
| * |
| * @param left |
| * Crop size of left |
| * |
| * @param top |
| * Crop size of top |
| * |
| * @param right |
| * Crop size of right |
| * |
| * @param buttom |
| * Crop size of buttom |
| */ |
| void csc_linear_to_tiled_interleave_crop_neon( |
| unsigned char *nv12t_uv_dest, |
| unsigned char *yuv420_u_src, |
| unsigned char *yuv420_v_src, |
| unsigned int yuv420_width, |
| unsigned int yuv420_height, |
| unsigned int left, |
| unsigned int top, |
| unsigned int right, |
| unsigned int buttom); |
| |
| /* |
| * Converts tiled data to linear. |
| * 1. y of nv12t to y of yuv420p |
| * 2. y of nv12t to y of yuv420s |
| * |
| * @param dst |
| * y address of yuv420[out] |
| * |
| * @param src |
| * y address of nv12t[in] |
| * |
| * @param yuv420_width |
| * real width of yuv420[in] |
| * it should be even |
| * |
| * @param yuv420_height |
| * real height of yuv420[in] |
| * it should be even. |
| * |
| */ |
| void csc_tiled_to_linear_y( |
| unsigned char *y_dst, |
| unsigned char *y_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_tiled_to_linear_crop(y_dst, y_src, width, height, 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts tiled data to linear |
| * 1. uv of nv12t to y of yuv420s |
| * |
| * @param dst |
| * uv address of yuv420s[out] |
| * |
| * @param src |
| * uv address of nv12t[in] |
| * |
| * @param yuv420_width |
| * real width of yuv420s[in] |
| * |
| * @param yuv420_height |
| * real height of yuv420s[in] |
| * |
| */ |
| void csc_tiled_to_linear_uv( |
| unsigned char *uv_dst, |
| unsigned char *uv_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_tiled_to_linear_crop(uv_dst, uv_src, width, height, 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts tiled data to linear |
| * 1. uv of nt12t to uv of yuv420p |
| * |
| * @param u_dst |
| * u address of yuv420p[out] |
| * |
| * @param v_dst |
| * v address of yuv420p[out] |
| * |
| * @param uv_src |
| * uv address of nt12t[in] |
| * |
| * @param yuv420_width |
| * real width of yuv420p[in] |
| * |
| * @param yuv420_height |
| * real height of yuv420p[in] |
| */ |
| void csc_tiled_to_linear_uv_deinterleave( |
| unsigned char *u_dst, |
| unsigned char *v_dst, |
| unsigned char *uv_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_tiled_to_linear_deinterleave_crop(u_dst, v_dst, uv_src, width, height, |
| 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts linear data to tiled |
| * 1. y of yuv420 to y of nv12t |
| * |
| * @param dst |
| * y address of nv12t[out] |
| * |
| * @param src |
| * y address of yuv420[in] |
| * |
| * @param yuv420_width |
| * real width of yuv420[in] |
| * it should be even |
| * |
| * @param yuv420_height |
| * real height of yuv420[in] |
| * it should be even. |
| * |
| */ |
| void csc_linear_to_tiled_y( |
| unsigned char *y_dst, |
| unsigned char *y_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_linear_to_tiled_crop(y_dst, y_src, width, height, 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts and interleaves linear data to tiled |
| * 1. uv of nv12t to uv of yuv420 |
| * |
| * @param dst |
| * uv address of nv12t[out] |
| * |
| * @param src |
| * u address of yuv420[in] |
| * |
| * @param src |
| * v address of yuv420[in] |
| * |
| * @param yuv420_width |
| * real width of yuv420[in] |
| * |
| * @param yuv420_height |
| * real height of yuv420[in] |
| * |
| */ |
| void csc_linear_to_tiled_uv( |
| unsigned char *uv_dst, |
| unsigned char *u_src, |
| unsigned char *v_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_linear_to_tiled_interleave_crop(uv_dst, u_src, v_src, width, height, |
| 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts tiled data to linear for mfc 6.x |
| * 1. Y of NV12T to Y of YUV420P |
| * 2. Y of NV12T to Y of YUV420S |
| * |
| * @param dst |
| * Y address of YUV420[out] |
| * |
| * @param src |
| * Y address of NV12T[in] |
| * |
| * @param yuv420_width |
| * real width of YUV420[in] |
| * |
| * @param yuv420_height |
| * Y: real height of YUV420[in] |
| * |
| */ |
| void csc_tiled_to_linear_y_neon( |
| unsigned char *y_dst, |
| unsigned char *y_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_tiled_to_linear_crop_neon(y_dst, y_src, width, height, 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts tiled data to linear for mfc 6.x |
| * 1. UV of NV12T to Y of YUV420S |
| * |
| * @param u_dst |
| * UV plane address of YUV420P[out] |
| * |
| * @param nv12t_src |
| * Y or UV plane address of NV12T[in] |
| * |
| * @param yuv420_width |
| * real width of YUV420[in] |
| * |
| * @param yuv420_height |
| * (real height)/2 of YUV420[in] |
| */ |
| void csc_tiled_to_linear_uv_neon( |
| unsigned char *uv_dst, |
| unsigned char *uv_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_tiled_to_linear_crop_neon(uv_dst, uv_src, width, height, 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts tiled data to linear for mfc 6.x |
| * Deinterleave src to u_dst, v_dst |
| * 1. UV of NV12T to Y of YUV420P |
| * |
| * @param u_dst |
| * U plane address of YUV420P[out] |
| * |
| * @param v_dst |
| * V plane address of YUV420P[out] |
| * |
| * @param nv12t_src |
| * Y or UV plane address of NV12T[in] |
| * |
| * @param yuv420_width |
| * real width of YUV420[in] |
| * |
| * @param yuv420_height |
| * (real height)/2 of YUV420[in] |
| */ |
| void csc_tiled_to_linear_uv_deinterleave_neon( |
| unsigned char *u_dst, |
| unsigned char *v_dst, |
| unsigned char *uv_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_tiled_to_linear_deinterleave_crop_neon(u_dst, v_dst, uv_src, width, height, |
| 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts linear data to tiled |
| * 1. y of yuv420 to y of nv12t |
| * |
| * @param dst |
| * y address of nv12t[out] |
| * |
| * @param src |
| * y address of yuv420[in] |
| * |
| * @param yuv420_width |
| * real width of yuv420[in] |
| * it should be even |
| * |
| * @param yuv420_height |
| * real height of yuv420[in] |
| * it should be even. |
| * |
| */ |
| void csc_linear_to_tiled_y_neon( |
| unsigned char *y_dst, |
| unsigned char *y_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_linear_to_tiled_crop_neon(y_dst, y_src, width, height, 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts and interleaves linear data to tiled |
| * 1. uv of nv12t to uv of yuv420 |
| * |
| * @param dst |
| * uv address of nv12t[out] |
| * |
| * @param src |
| * u address of yuv420[in] |
| * |
| * @param src |
| * v address of yuv420[in] |
| * |
| * @param yuv420_width |
| * real width of yuv420[in] |
| * |
| * @param yuv420_height |
| * real height of yuv420[in] |
| * |
| */ |
| void csc_linear_to_tiled_uv_neon( |
| unsigned char *uv_dst, |
| unsigned char *u_src, |
| unsigned char *v_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| csc_linear_to_tiled_interleave_crop_neon(uv_dst, u_src, v_src, |
| width, height, 0, 0, 0, 0); |
| } |
| |
| /* |
| * Converts RGB565 to YUV420P |
| * |
| * @param y_dst |
| * Y plane address of YUV420P[out] |
| * |
| * @param u_dst |
| * U plane address of YUV420P[out] |
| * |
| * @param v_dst |
| * V plane address of YUV420P[out] |
| * |
| * @param rgb_src |
| * Address of RGB565[in] |
| * |
| * @param width |
| * Width of RGB565[in] |
| * |
| * @param height |
| * Height of RGB565[in] |
| */ |
| void csc_RGB565_to_YUV420P( |
| unsigned char *y_dst, |
| unsigned char *u_dst, |
| unsigned char *v_dst, |
| unsigned char *rgb_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| unsigned int i, j; |
| unsigned int tmp; |
| |
| unsigned int R, G, B; |
| unsigned int Y, U, V; |
| |
| unsigned int offset1 = width * height; |
| unsigned int offset2 = width/2 * height/2; |
| |
| unsigned short int *pSrc = (unsigned short int *)rgb_src; |
| |
| unsigned char *pDstY = (unsigned char *)y_dst; |
| unsigned char *pDstU = (unsigned char *)u_dst; |
| unsigned char *pDstV = (unsigned char *)v_dst; |
| |
| unsigned int yIndex = 0; |
| unsigned int uIndex = 0; |
| unsigned int vIndex = 0; |
| |
| for (j = 0; j < height; j++) { |
| for (i = 0; i < width; i++) { |
| tmp = pSrc[j * width + i]; |
| |
| R = (tmp & 0x0000F800) >> 8; |
| G = (tmp & 0x000007E0) >> 3; |
| B = (tmp & 0x0000001F); |
| B = B << 3; |
| |
| Y = ((66 * R) + (129 * G) + (25 * B) + 128); |
| Y = Y >> 8; |
| Y += 16; |
| |
| pDstY[yIndex++] = (unsigned char)Y; |
| |
| if ((j % 2) == 0 && (i % 2) == 0) { |
| U = ((-38 * R) - (74 * G) + (112 * B) + 128); |
| U = U >> 8; |
| U += 128; |
| V = ((112 * R) - (94 * G) - (18 * B) + 128); |
| V = V >> 8; |
| V += 128; |
| |
| pDstU[uIndex++] = (unsigned char)U; |
| pDstV[vIndex++] = (unsigned char)V; |
| } |
| } |
| } |
| } |
| |
| /* |
| * Converts RGB565 to YUV420SP |
| * |
| * @param y_dst |
| * Y plane address of YUV420SP[out] |
| * |
| * @param uv_dst |
| * UV plane address of YUV420SP[out] |
| * |
| * @param rgb_src |
| * Address of RGB565[in] |
| * |
| * @param width |
| * Width of RGB565[in] |
| * |
| * @param height |
| * Height of RGB565[in] |
| */ |
| void csc_RGB565_to_YUV420SP( |
| unsigned char *y_dst, |
| unsigned char *uv_dst, |
| unsigned char *rgb_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| unsigned int i, j; |
| unsigned int tmp; |
| |
| unsigned int R, G, B; |
| unsigned int Y, U, V; |
| |
| unsigned int offset = width * height; |
| |
| unsigned short int *pSrc = (unsigned short int *)rgb_src; |
| |
| unsigned char *pDstY = (unsigned char *)y_dst; |
| unsigned char *pDstUV = (unsigned char *)uv_dst; |
| |
| unsigned int yIndex = 0; |
| unsigned int uvIndex = 0; |
| |
| for (j = 0; j < height; j++) { |
| for (i = 0; i < width; i++) { |
| tmp = pSrc[j * width + i]; |
| |
| R = (tmp & 0x0000F800) >> 11; |
| R = R * 8; |
| G = (tmp & 0x000007E0) >> 5; |
| G = G * 4; |
| B = (tmp & 0x0000001F); |
| B = B * 8; |
| |
| Y = ((66 * R) + (129 * G) + (25 * B) + 128); |
| Y = Y >> 8; |
| Y += 16; |
| |
| pDstY[yIndex++] = (unsigned char)Y; |
| |
| if ((j % 2) == 0 && (i % 2) == 0) { |
| U = ((-38 * R) - (74 * G) + (112 * B) + 128); |
| U = U >> 8; |
| U += 128; |
| V = ((112 * R) - (94 * G) - (18 * B) + 128); |
| V = V >> 8; |
| V += 128; |
| |
| pDstUV[uvIndex++] = (unsigned char)U; |
| pDstUV[uvIndex++] = (unsigned char)V; |
| } |
| } |
| } |
| } |
| |
| /* |
| * Converts ARGB8888 to YUV420P |
| * |
| * @param y_dst |
| * Y plane address of YUV420P[out] |
| * |
| * @param u_dst |
| * U plane address of YUV420P[out] |
| * |
| * @param v_dst |
| * V plane address of YUV420P[out] |
| * |
| * @param rgb_src |
| * Address of ARGB8888[in] |
| * |
| * @param width |
| * Width of ARGB8888[in] |
| * |
| * @param height |
| * Height of ARGB8888[in] |
| */ |
| void csc_ARGB8888_to_YUV420P( |
| unsigned char *y_dst, |
| unsigned char *u_dst, |
| unsigned char *v_dst, |
| unsigned char *rgb_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| unsigned int i, j; |
| unsigned int tmp; |
| |
| unsigned int R, G, B; |
| unsigned int Y, U, V; |
| |
| unsigned int offset1 = width * height; |
| unsigned int offset2 = width/2 * height/2; |
| |
| unsigned int *pSrc = (unsigned int *)rgb_src; |
| |
| unsigned char *pDstY = (unsigned char *)y_dst; |
| unsigned char *pDstU = (unsigned char *)u_dst; |
| unsigned char *pDstV = (unsigned char *)v_dst; |
| |
| unsigned int yIndex = 0; |
| unsigned int uIndex = 0; |
| unsigned int vIndex = 0; |
| |
| for (j = 0; j < height; j++) { |
| for (i = 0; i < width; i++) { |
| tmp = pSrc[j * width + i]; |
| |
| R = (tmp & 0x00FF0000) >> 16; |
| G = (tmp & 0x0000FF00) >> 8; |
| B = (tmp & 0x000000FF); |
| |
| Y = ((66 * R) + (129 * G) + (25 * B) + 128); |
| Y = Y >> 8; |
| Y += 16; |
| |
| pDstY[yIndex++] = (unsigned char)Y; |
| |
| if ((j % 2) == 0 && (i % 2) == 0) { |
| U = ((-38 * R) - (74 * G) + (112 * B) + 128); |
| U = U >> 8; |
| U += 128; |
| V = ((112 * R) - (94 * G) - (18 * B) + 128); |
| V = V >> 8; |
| V += 128; |
| |
| pDstU[uIndex++] = (unsigned char)U; |
| pDstV[vIndex++] = (unsigned char)V; |
| } |
| } |
| } |
| } |
| |
| |
| /* |
| * Converts ARGB8888 to YUV420SP |
| * |
| * @param y_dst |
| * Y plane address of YUV420SP[out] |
| * |
| * @param uv_dst |
| * UV plane address of YUV420SP[out] |
| * |
| * @param rgb_src |
| * Address of ARGB8888[in] |
| * |
| * @param width |
| * Width of ARGB8888[in] |
| * |
| * @param height |
| * Height of ARGB8888[in] |
| */ |
| void csc_ARGB8888_to_YUV420SP( |
| unsigned char *y_dst, |
| unsigned char *uv_dst, |
| unsigned char *rgb_src, |
| unsigned int width, |
| unsigned int height) |
| { |
| unsigned int i, j; |
| unsigned int tmp; |
| |
| unsigned int R, G, B; |
| unsigned int Y, U, V; |
| |
| unsigned int offset = width * height; |
| |
| unsigned int *pSrc = (unsigned int *)rgb_src; |
| |
| unsigned char *pDstY = (unsigned char *)y_dst; |
| unsigned char *pDstUV = (unsigned char *)uv_dst; |
| |
| unsigned int yIndex = 0; |
| unsigned int uvIndex = 0; |
| |
| for (j = 0; j < height; j++) { |
| for (i = 0; i < width; i++) { |
| tmp = pSrc[j * width + i]; |
| |
| R = (tmp & 0x00FF0000) >> 16; |
| G = (tmp & 0x0000FF00) >> 8; |
| B = (tmp & 0x000000FF); |
| |
| Y = ((66 * R) + (129 * G) + (25 * B) + 128); |
| Y = Y >> 8; |
| Y += 16; |
| |
| pDstY[yIndex++] = (unsigned char)Y; |
| |
| if ((j % 2) == 0 && (i % 2) == 0) { |
| U = ((-38 * R) - (74 * G) + (112 * B) + 128); |
| U = U >> 8; |
| U += 128; |
| V = ((112 * R) - (94 * G) - (18 * B) + 128); |
| V = V >> 8; |
| V += 128; |
| |
| pDstUV[uvIndex++] = (unsigned char)U; |
| pDstUV[uvIndex++] = (unsigned char)V; |
| } |
| } |
| } |
| } |