| /* |
| * 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. |
| */ |
| /** |
| ****************************************************************************** |
| * @file M4TRAN_transition.h |
| * @brief |
| * @note |
| ****************************************************************************** |
| */ |
| |
| #ifndef __M4VFL_TRANSITION_H__ |
| #define __M4VFL_TRANSITION_H__ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| typedef unsigned char UInt8; |
| typedef unsigned long UInt32; |
| |
| typedef struct S_M4ViComImagePlane |
| { |
| UInt32 u_width; /* active width, in pixels */ |
| UInt32 u_height; /* active height, in lines */ |
| UInt32 u_topleft; /* index of 1st active pixel */ |
| UInt32 u_stride; /* line stride, in bytes */ |
| UInt8 *pac_data; /* buffer address */ |
| } M4ViComImagePlane; |
| |
| typedef struct S_M4VFL_modifLumParam |
| { |
| unsigned short lum_factor; |
| unsigned short copy_chroma; |
| } M4VFL_ModifLumParam; |
| |
| #define M4VIFI_OK 0 |
| #define M4VIFI_ILLEGAL_FRAME_HEIGHT 8 |
| #define M4VIFI_ILLEGAL_FRAME_WIDTH 9 |
| |
| unsigned char M4VFL_modifyLumaByStep(M4ViComImagePlane *plane_in, M4ViComImagePlane *plane_out, |
| M4VFL_ModifLumParam *lum_param, void *user_data); |
| |
| unsigned char M4VFL_modifyLumaWithScale(M4ViComImagePlane *plane_in, M4ViComImagePlane *plane_out, |
| unsigned long lum_factor, void *user_data); |
| |
| /** |
| ************************************************************************************************* |
| * M4OSA_ERR M4VIFI_ImageBlendingonYUV420 (void *pUserData, |
| * M4VIFI_ImagePlane *pPlaneIn1, |
| * M4VIFI_ImagePlane *pPlaneIn2, |
| * M4VIFI_ImagePlane *pPlaneOut, |
| * M4VIFI_UInt32 Progress) |
| * @brief Blends two YUV 4:2:0 Planar images. |
| * @note Blends YUV420 planar images, |
| * Map the value of progress from (0 - 1000) to (0 - 1024) |
| * Set the range of blendingfactor, |
| * 1. from 0 to (Progress << 1) ;for Progress <= 512 |
| * 2. from (( Progress - 512)<< 1) to 1024 ;otherwise |
| * Set the increment of blendingfactor for each element in the image row by the factor, |
| * = (Range-1) / (image width-1) ;for width >= range |
| * = (Range) / (image width) ;otherwise |
| * Loop on each(= i) row of output Y plane (steps of 2) |
| * Loop on each(= j) column of output Y plane (steps of 2) |
| * Get four Y samples and one U & V sample from two input YUV4:2:0 images and |
| * Compute four Y sample and one U & V sample for output YUV4:2:0 image |
| * using the following, |
| * Out(i,j) = blendingfactor(i,j) * In1(i,j)+ (l - blendingfactor(i,j)) * In2(i,j) |
| * end loop column |
| * end loop row. |
| * @param pUserData: (IN) User Specific Parameter |
| * @param pPlaneIn1: (IN) Pointer to an array of image plane structures maintained for Y, U |
| * and V planes. |
| * @param pPlaneIn2: (IN) Pointer to an array of image plane structures maintained for Y, U |
| * and V planes. |
| * @param pPlaneOut: (OUT) Pointer to an array of image plane structures maintained for Y, U |
| * and V planes. |
| * @param Progress: (IN) Progress value (varies between 0 and 1000) |
| * @return M4VIFI_OK: No error |
| * @return M4VIFI_ILLEGAL_FRAME_HEIGHT: Error in height |
| * @return M4VIFI_ILLEGAL_FRAME_WIDTH: Error in width |
| ***********************************************************************************************/ |
| unsigned char M4VIFI_ImageBlendingonYUV420 (void *pUserData, M4ViComImagePlane *pPlaneIn1, |
| M4ViComImagePlane *pPlaneIn2, |
| M4ViComImagePlane *pPlaneOut, UInt32 Progress); |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| #endif // __M4VFL_TRANSITION_H__ |
