1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 /** 17 ****************************************************************************** 18 * @file M4VPP_API.h 19 * @brief Video preprocessing API public functions prototypes. 20 * @note 21 ****************************************************************************** 22 */ 23 24 #ifndef M4VPP_API_H 25 #define M4VPP_API_H 26 27 #include "M4OSA_Types.h" /**< Include for common OSAL types */ 28 #include "M4OSA_Error.h" /**< Include for common OSAL errors */ 29 30 /** 31 * Include Video filters interface definition (for the M4VIFI_ImagePlane type) */ 32 #include "M4VIFI_FiltersAPI.h" 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif /* __cplusplus */ 37 38 39 /** 40 ****************************************************************************** 41 * Public type of the Video Preprocessing execution context 42 ****************************************************************************** 43 */ 44 typedef M4OSA_Void* M4VPP_Context; 45 46 typedef enum 47 { 48 M4VPP_kIYUV420=0, /**< YUV 4:2:0 planar (standard input for mpeg-4 video) */ 49 M4VPP_kIYUV422, /**< YUV422 planar */ 50 M4VPP_kIYUYV, /**< YUV422 interlaced, luma first */ 51 M4VPP_kIUYVY, /**< YUV422 interlaced, chroma first */ 52 M4VPP_kIJPEG, /**< JPEG compressed frames */ 53 M4VPP_kIRGB444, /**< RGB 12 bits 4:4:4 */ 54 M4VPP_kIRGB555, /**< RGB 15 bits 5:5:5 */ 55 M4VPP_kIRGB565, /**< RGB 16 bits 5:6:5 */ 56 M4VPP_kIRGB24, /**< RGB 24 bits 8:8:8 */ 57 M4VPP_kIRGB32, /**< RGB 32 bits */ 58 M4VPP_kIBGR444, /**< BGR 12 bits 4:4:4 */ 59 M4VPP_kIBGR555, /**< BGR 15 bits 5:5:5 */ 60 M4VPP_kIBGR565, /**< BGR 16 bits 5:6:5 */ 61 M4VPP_kIBGR24, /**< BGR 24 bits 8:8:8 */ 62 M4VPP_kIBGR32 /**< BGR 32 bits */ 63 } M4VPP_InputVideoFormat; 64 65 66 /** 67 ****************************************************************************** 68 * @brief Prototype of the main video preprocessing function 69 * @note Preprocess one frame 70 * @param pContext: (IN) Execution context of the VPP. 71 * @param pPlaneIn: (INOUT) Input Image 72 * @param pPlaneOut: (INOUT) Output Image 73 ****************************************************************************** 74 */ 75 typedef M4OSA_ERR (M4VPP_apply_fct) (M4VPP_Context pContext, M4VIFI_ImagePlane* pPlaneIn, 76 M4VIFI_ImagePlane* pPlaneOut); 77 78 79 80 /** 81 ****************************************************************************** 82 * M4OSA_ERR M4VPP_initVideoPreprocessing(M4VPP_Context* pContext) 83 * @brief This function allocates a new execution context for the Video Preprocessing component. 84 * @note 85 * @param pContext: (OUT) Execution context allocated by the function. 86 * @return M4NO_ERROR: there is no error. 87 * @return M4ERR_ALLOC: there is no more available memory. 88 * @return M4ERR_PARAMETER: pContext is NULL (debug only). 89 ****************************************************************************** 90 */ 91 M4OSA_ERR M4VPP_initVideoPreprocessing(M4VPP_Context* pContext); 92 93 /** 94 ****************************************************************************** 95 * M4OSA_ERR M4VPP_applyVideoPreprocessing(M4VPP_Context pContext, M4VIFI_ImagePlane* pPlaneIn, 96 * M4VIFI_ImagePlane* pPlaneOut) 97 * @brief Preprocess one frame. 98 * @note 99 * @param pContext: (IN) Execution context. 100 * @param pPlaneIn: (INOUT) Input Image 101 * @param pPlaneOut: (INOUT) Output Image 102 * @return M4NO_ERROR: there is no error. 103 * @return M4ERR_PARAMETER: pContext or pPlaneIn or pPlaneOut is NULL (debug only). 104 * @return M4ERR_STATE: Video Preprocessing is not in an appropriate state for this function 105 * to be called 106 ****************************************************************************** 107 */ 108 M4OSA_ERR M4VPP_applyVideoPreprocessing(M4VPP_Context pContext, M4VIFI_ImagePlane* pPlaneIn, 109 M4VIFI_ImagePlane* pPlaneOut); 110 111 /** 112 ****************************************************************************** 113 * M4OSA_ERR M4VPP_cleanUpVideoPreprocessing(M4VPP_Context pContext) 114 * @brief This method frees the execution context for the Video Preprocessing component. 115 * Any further usage of the context will lead to unpredictable result. 116 * @note 117 * @param pContext: (IN) Execution context. 118 * @return M4NO_ERROR: there is no error. 119 * @return M4ERR_PARAMETER: pContext is NULL (debug only). 120 ****************************************************************************** 121 */ 122 M4OSA_ERR M4VPP_cleanUpVideoPreprocessing(M4VPP_Context pContext); 123 124 /** 125 ****************************************************************************** 126 * M4OSA_ERR M4VPP_setVideoPreprocessingMode(M4VPP_Context pContext, M4VES_InputVideoFormat format) 127 * @brief This method apply the video preprocessing to the input plane. Result is put into the 128 * output plan. 129 * @param pContext: (IN) Execution context. 130 * @param format : (IN) Format of input plane (rgb, yuv, ...) 131 * @return M4NO_ERROR: there is no error 132 ****************************************************************************** 133 */ 134 M4OSA_ERR M4VPP_setVideoPreprocessingMode(M4VPP_Context pContext, M4VPP_InputVideoFormat format); 135 136 /** 137 ****************************************************************************** 138 * @brief Definition of the errors specific to this module. 139 ****************************************************************************** 140 */ 141 142 /**< Input and output planes have incompatible properties */ 143 #define M4VPP_ERR_IMCOMPATIBLE_IN_AND_OUT_PLANES M4OSA_ERR_CREATE( M4_ERR,\ 144 M4PREPROCESS_VIDEO, 0x000001); 145 146 #ifdef __cplusplus 147 } 148 #endif /* __cplusplus */ 149 150 #endif /* M4VPP_API_H */ 151 152
