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Diffstat (limited to 'libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c')
| -rwxr-xr-x | libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c b/libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c deleted file mode 100755 index 34cbd57..0000000 --- a/libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c +++ /dev/null @@ -1,201 +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. - */ - -/** - ****************************************************************************** - * @brief Contain video library function - * @note Color Conversion Filter - * Contains the format conversion filters from RGB565 to YUV420 - ****************************************************************************** -*/ - -/* Prototypes of functions, and type definitions */ -#include "M4VIFI_FiltersAPI.h" -/* Macro definitions */ -#include "M4VIFI_Defines.h" -/* Clip table declaration */ -#include "M4VIFI_Clip.h" - - -/** - ****************************************************************************** - * M4VIFI_UInt8 M4VIFI_RGB565toYUV420 (void *pUserData, - * M4VIFI_ImagePlane *pPlaneIn, - * M4VIFI_ImagePlane *pPlaneOut) - * @brief transform RGB565 image to a YUV420 image. - * @note Convert RGB565 to YUV420, - * Loop on each row ( 2 rows by 2 rows ) - * Loop on each column ( 2 col by 2 col ) - * Get 4 RGB samples from input data and build 4 output Y samples - * and each single U & V data - * end loop on col - * end loop on row - * @param pUserData: (IN) User Specific Data - * @param pPlaneIn: (IN) Pointer to RGB565 Plane - * @param pPlaneOut: (OUT) Pointer to YUV420 buffer Plane - * @return M4VIFI_OK: there is no error - * @return M4VIFI_ILLEGAL_FRAME_HEIGHT: YUV Plane height is ODD - * @return M4VIFI_ILLEGAL_FRAME_WIDTH: YUV Plane width is ODD - ****************************************************************************** -*/ -M4VIFI_UInt8 M4VIFI_RGB565toYUV420(void *pUserData, M4VIFI_ImagePlane *pPlaneIn, - M4VIFI_ImagePlane *pPlaneOut) -{ - M4VIFI_UInt32 u32_width, u32_height; - M4VIFI_UInt32 u32_stride_Y, u32_stride2_Y, u32_stride_U, u32_stride_V; - M4VIFI_UInt32 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; - M4VIFI_UInt16 u16_pix1, u16_pix2, u16_pix3, u16_pix4; - - /* Check planes height are appropriate */ - if ((pPlaneIn->u_height != pPlaneOut[0].u_height) || - (pPlaneOut[0].u_height != (pPlaneOut[1].u_height<<1)) || - (pPlaneOut[0].u_height != (pPlaneOut[2].u_height<<1))) - { - return M4VIFI_ILLEGAL_FRAME_HEIGHT; - } - - /* Check planes width are appropriate */ - if ((pPlaneIn->u_width != pPlaneOut[0].u_width) || - (pPlaneOut[0].u_width != (pPlaneOut[1].u_width<<1)) || - (pPlaneOut[0].u_width != (pPlaneOut[2].u_width<<1))) - { - return M4VIFI_ILLEGAL_FRAME_WIDTH; - } - - /* Set the pointer to the beginning of the output data buffers */ - pu8_y_data = pPlaneOut[0].pac_data + pPlaneOut[0].u_topleft; - pu8_u_data = pPlaneOut[1].pac_data + pPlaneOut[1].u_topleft; - pu8_v_data = pPlaneOut[2].pac_data + pPlaneOut[2].u_topleft; - - /* Set the pointer to the beginning of the input data buffers */ - pu8_rgbn_data = pPlaneIn->pac_data + pPlaneIn->u_topleft; - - /* Get the size of the output image */ - u32_width = pPlaneOut[0].u_width; - u32_height = pPlaneOut[0].u_height; - - /* Set the size of the memory jumps corresponding to row jump in each output plane */ - u32_stride_Y = pPlaneOut[0].u_stride; - u32_stride2_Y = u32_stride_Y << 1; - u32_stride_U = pPlaneOut[1].u_stride; - u32_stride_V = pPlaneOut[2].u_stride; - - /* Set the size of the memory jumps corresponding to row jump in input plane */ - u32_stride_rgb = pPlaneIn->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) - { - /* Current Y plane row pointers */ - pu8_yn = pu8_y_data; - /* Next Y plane row pointers */ - pu8_ys = pu8_yn + u32_stride_Y; - /* Current U plane row pointer */ - pu8_u = pu8_u_data; - /* Current V plane row pointer */ - 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 four RGB 565 samples from input data */ - u16_pix1 = *( (M4VIFI_UInt16 *) pu8_rgbn); - u16_pix2 = *( (M4VIFI_UInt16 *) (pu8_rgbn + CST_RGB_16_SIZE)); - u16_pix3 = *( (M4VIFI_UInt16 *) (pu8_rgbn + u32_stride_rgb)); - u16_pix4 = *( (M4VIFI_UInt16 *) (pu8_rgbn + u32_stride_rgb + CST_RGB_16_SIZE)); - - /* Unpack RGB565 to 8bit R, G, B */ - /* (x,y) */ - GET_RGB565(i32_r00,i32_g00,i32_b00,u16_pix1); - /* (x+1,y) */ - GET_RGB565(i32_r10,i32_g10,i32_b10,u16_pix2); - /* (x,y+1) */ - GET_RGB565(i32_r01,i32_g01,i32_b01,u16_pix3); - /* (x+1,y+1) */ - GET_RGB565(i32_r11,i32_g11,i32_b11,u16_pix4); - - /* Convert RGB value to YUV */ - i32_u00 = U16(i32_r00, i32_g00, i32_b00); - i32_v00 = V16(i32_r00, i32_g00, i32_b00); - /* luminance value */ - i32_y00 = Y16(i32_r00, i32_g00, i32_b00); - - i32_u10 = U16(i32_r10, i32_g10, i32_b10); - i32_v10 = V16(i32_r10, i32_g10, i32_b10); - /* luminance value */ - i32_y10 = Y16(i32_r10, i32_g10, i32_b10); - - i32_u01 = U16(i32_r01, i32_g01, i32_b01); - i32_v01 = V16(i32_r01, i32_g01, i32_b01); - /* luminance value */ - i32_y01 = Y16(i32_r01, i32_g01, i32_b01); - - i32_u11 = U16(i32_r11, i32_g11, i32_b11); - i32_v11 = V16(i32_r11, i32_g11, i32_b11); - /* luminance value */ - i32_y11 = Y16(i32_r11, i32_g11, i32_b11); - - /* Store luminance data */ - pu8_yn[0] = (M4VIFI_UInt8)i32_y00; - pu8_yn[1] = (M4VIFI_UInt8)i32_y10; - pu8_ys[0] = (M4VIFI_UInt8)i32_y01; - pu8_ys[1] = (M4VIFI_UInt8)i32_y11; - - /* Store chroma data */ - *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); - - /* Prepare for next column */ - pu8_rgbn += (CST_RGB_16_SIZE<<1); - /* Update current Y plane line pointer*/ - pu8_yn += 2; - /* Update next Y plane line pointer*/ - pu8_ys += 2; - /* Update U plane line pointer*/ - pu8_u ++; - /* Update V plane line pointer*/ - pu8_v ++; - } /* End of horizontal scanning */ - - /* Prepare pointers for the next row */ - 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; -} - - |