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Diffstat (limited to 'libvideoeditor/vss/video_filters/src/M4VIFI_RGB888toYUV420.c')
| -rwxr-xr-x | libvideoeditor/vss/video_filters/src/M4VIFI_RGB888toYUV420.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/libvideoeditor/vss/video_filters/src/M4VIFI_RGB888toYUV420.c b/libvideoeditor/vss/video_filters/src/M4VIFI_RGB888toYUV420.c deleted file mode 100755 index 285a2a6..0000000 --- a/libvideoeditor/vss/video_filters/src/M4VIFI_RGB888toYUV420.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * 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. - */ -#include "M4VIFI_FiltersAPI.h" - -#include "M4VIFI_Defines.h" - -#include "M4VIFI_Clip.h" - -/*************************************************************************** -Proto: -M4VIFI_UInt8 M4VIFI_RGB888toYUV420(void *pUserData, M4VIFI_ImagePlane *PlaneIn, - M4VIFI_ImagePlane PlaneOut[3]); -Purpose: filling of the YUV420 plane from a BGR24 plane -Abstract: Loop on each row ( 2 rows by 2 rows ) - Loop on each column ( 2 col by 2 col ) - Get 4 BGR samples from input data and build 4 output Y samples and - each single U & V data - end loop on col - end loop on row - -In: RGB24 plane -InOut: none -Out: array of 3 M4VIFI_ImagePlane structures -Modified: ML: RGB function modified to BGR. -***************************************************************************/ -M4VIFI_UInt8 M4VIFI_RGB888toYUV420(void *pUserData, M4VIFI_ImagePlane *PlaneIn, - M4VIFI_ImagePlane PlaneOut[3]) -{ - M4VIFI_UInt32 u32_width, u32_height; - M4VIFI_UInt32 u32_stride_Y, u32_stride2_Y, u32_stride_U, u32_stride_V, u32_stride_rgb,\ - u32_stride_2rgb; - M4VIFI_UInt32 u32_col, u32_row; - - M4VIFI_Int32 i32_r00, i32_r01, i32_r10, i32_r11; - M4VIFI_Int32 i32_g00, i32_g01, i32_g10, i32_g11; - M4VIFI_Int32 i32_b00, i32_b01, i32_b10, i32_b11; - M4VIFI_Int32 i32_y00, i32_y01, i32_y10, i32_y11; - M4VIFI_Int32 i32_u00, i32_u01, i32_u10, i32_u11; - M4VIFI_Int32 i32_v00, i32_v01, i32_v10, i32_v11; - M4VIFI_UInt8 *pu8_yn, *pu8_ys, *pu8_u, *pu8_v; - M4VIFI_UInt8 *pu8_y_data, *pu8_u_data, *pu8_v_data; - M4VIFI_UInt8 *pu8_rgbn_data, *pu8_rgbn; - - /* check sizes */ - if( (PlaneIn->u_height != PlaneOut[0].u_height) || - (PlaneOut[0].u_height != (PlaneOut[1].u_height<<1)) || - (PlaneOut[0].u_height != (PlaneOut[2].u_height<<1))) - return M4VIFI_ILLEGAL_FRAME_HEIGHT; - - if( (PlaneIn->u_width != PlaneOut[0].u_width) || - (PlaneOut[0].u_width != (PlaneOut[1].u_width<<1)) || - (PlaneOut[0].u_width != (PlaneOut[2].u_width<<1))) - return M4VIFI_ILLEGAL_FRAME_WIDTH; - - - /* set the pointer to the beginning of the output data buffers */ - pu8_y_data = PlaneOut[0].pac_data + PlaneOut[0].u_topleft; - pu8_u_data = PlaneOut[1].pac_data + PlaneOut[1].u_topleft; - pu8_v_data = PlaneOut[2].pac_data + PlaneOut[2].u_topleft; - - /* idem for input buffer */ - pu8_rgbn_data = PlaneIn->pac_data + PlaneIn->u_topleft; - - /* get the size of the output image */ - u32_width = PlaneOut[0].u_width; - u32_height = PlaneOut[0].u_height; - - /* set the size of the memory jumps corresponding to row jump in each output plane */ - u32_stride_Y = PlaneOut[0].u_stride; - u32_stride2_Y= u32_stride_Y << 1; - u32_stride_U = PlaneOut[1].u_stride; - u32_stride_V = PlaneOut[2].u_stride; - - /* idem for input plane */ - u32_stride_rgb = PlaneIn->u_stride; - u32_stride_2rgb = u32_stride_rgb << 1; - - /* loop on each row of the output image, input coordinates are estimated from output ones */ - /* two YUV rows are computed at each pass */ - for (u32_row = u32_height ;u32_row != 0; u32_row -=2) - { - /* update working pointers */ - pu8_yn = pu8_y_data; - pu8_ys = pu8_yn + u32_stride_Y; - - pu8_u = pu8_u_data; - pu8_v = pu8_v_data; - - pu8_rgbn= pu8_rgbn_data; - - /* loop on each column of the output image*/ - for (u32_col = u32_width; u32_col != 0 ; u32_col -=2) - { - /* get RGB samples of 4 pixels */ - GET_RGB24(i32_r00, i32_g00, i32_b00, pu8_rgbn, 0); - GET_RGB24(i32_r10, i32_g10, i32_b10, pu8_rgbn, CST_RGB_24_SIZE); - GET_RGB24(i32_r01, i32_g01, i32_b01, pu8_rgbn, u32_stride_rgb); - GET_RGB24(i32_r11, i32_g11, i32_b11, pu8_rgbn, u32_stride_rgb + CST_RGB_24_SIZE); - - i32_u00 = U24(i32_r00, i32_g00, i32_b00); - i32_v00 = V24(i32_r00, i32_g00, i32_b00); - i32_y00 = Y24(i32_r00, i32_g00, i32_b00); /* matrix luminance */ - pu8_yn[0]= (M4VIFI_UInt8)i32_y00; - - i32_u10 = U24(i32_r10, i32_g10, i32_b10); - i32_v10 = V24(i32_r10, i32_g10, i32_b10); - i32_y10 = Y24(i32_r10, i32_g10, i32_b10); - pu8_yn[1]= (M4VIFI_UInt8)i32_y10; - - i32_u01 = U24(i32_r01, i32_g01, i32_b01); - i32_v01 = V24(i32_r01, i32_g01, i32_b01); - i32_y01 = Y24(i32_r01, i32_g01, i32_b01); - pu8_ys[0]= (M4VIFI_UInt8)i32_y01; - - i32_u11 = U24(i32_r11, i32_g11, i32_b11); - i32_v11 = V24(i32_r11, i32_g11, i32_b11); - i32_y11 = Y24(i32_r11, i32_g11, i32_b11); - pu8_ys[1] = (M4VIFI_UInt8)i32_y11; - - *pu8_u = (M4VIFI_UInt8)((i32_u00 + i32_u01 + i32_u10 + i32_u11 + 2) >> 2); - *pu8_v = (M4VIFI_UInt8)((i32_v00 + i32_v01 + i32_v10 + i32_v11 + 2) >> 2); - - pu8_rgbn += (CST_RGB_24_SIZE<<1); - pu8_yn += 2; - pu8_ys += 2; - - pu8_u ++; - pu8_v ++; - } /* end of horizontal scanning */ - - pu8_y_data += u32_stride2_Y; - pu8_u_data += u32_stride_U; - pu8_v_data += u32_stride_V; - pu8_rgbn_data += u32_stride_2rgb; - - - } /* End of vertical scanning */ - - return M4VIFI_OK; -} |