1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 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 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 /** 19 This file contains common type definitions and enumerations used by AVC encoder 20 and decoder libraries which are exposed to the users. 21 @publishedAll 22 */ 23 24 #ifndef AVCAPI_COMMON_H_INCLUDED 25 #define AVCAPI_COMMON_H_INCLUDED 26 27 #include "avc_types.h" 28 29 #define PV_MEMORY_POOL 30 /** 31 This is common return status. 32 @publishedAll 33 */ 34 typedef enum 35 { 36 AVC_NO_BUFFER = -2, 37 AVC_MEMORY_FAIL = -1, 38 AVC_FAIL = 0, 39 AVC_SUCCESS = 1, 40 AVC_PICTURE_OUTPUT_READY = 2 41 } AVCStatus; 42 43 /** 44 This enumeration is for profiles. The value follows the profile_idc in sequence 45 parameter set rbsp. See Annex A. 46 @publishedAll 47 */ 48 typedef enum 49 { 50 AVC_BASELINE = 66, 51 AVC_MAIN = 77, 52 AVC_EXTENDED = 88, 53 AVC_HIGH = 100, 54 AVC_HIGH10 = 110, 55 AVC_HIGH422 = 122, 56 AVC_HIGH444 = 144 57 } AVCProfile; 58 59 /** 60 This enumeration is for levels. The value follows the level_idc in sequence 61 parameter set rbsp. See Annex A. 62 @published All 63 */ 64 typedef enum 65 { 66 AVC_LEVEL_AUTO = 0, 67 AVC_LEVEL1_B = 9, 68 AVC_LEVEL1 = 10, 69 AVC_LEVEL1_1 = 11, 70 AVC_LEVEL1_2 = 12, 71 AVC_LEVEL1_3 = 13, 72 AVC_LEVEL2 = 20, 73 AVC_LEVEL2_1 = 21, 74 AVC_LEVEL2_2 = 22, 75 AVC_LEVEL3 = 30, 76 AVC_LEVEL3_1 = 31, 77 AVC_LEVEL3_2 = 32, 78 AVC_LEVEL4 = 40, 79 AVC_LEVEL4_1 = 41, 80 AVC_LEVEL4_2 = 42, 81 AVC_LEVEL5 = 50, 82 AVC_LEVEL5_1 = 51 83 } AVCLevel; 84 85 /** 86 This enumeration follows Table 7-1 for NAL unit type codes. 87 This may go to avccommon_api.h later (external common). 88 @publishedAll 89 */ 90 typedef enum 91 { 92 AVC_NALTYPE_SLICE = 1, /* non-IDR non-data partition */ 93 AVC_NALTYPE_DPA = 2, /* data partition A */ 94 AVC_NALTYPE_DPB = 3, /* data partition B */ 95 AVC_NALTYPE_DPC = 4, /* data partition C */ 96 AVC_NALTYPE_IDR = 5, /* IDR NAL */ 97 AVC_NALTYPE_SEI = 6, /* supplemental enhancement info */ 98 AVC_NALTYPE_SPS = 7, /* sequence parameter set */ 99 AVC_NALTYPE_PPS = 8, /* picture parameter set */ 100 AVC_NALTYPE_AUD = 9, /* access unit delimiter */ 101 AVC_NALTYPE_EOSEQ = 10, /* end of sequence */ 102 AVC_NALTYPE_EOSTREAM = 11, /* end of stream */ 103 AVC_NALTYPE_FILL = 12 /* filler data */ 104 } AVCNalUnitType; 105 106 /** 107 This enumeration specifies debug logging type. 108 This may go to avccommon_api.h later (external common). 109 @publishedAll 110 */ 111 typedef enum 112 { 113 AVC_LOGTYPE_ERROR = 0, 114 AVC_LOGTYPE_WARNING = 1, 115 AVC_LOGTYPE_INFO = 2 116 } AVCLogType; 117 118 /** 119 This enumerate the status of certain flags. 120 @publishedAll 121 */ 122 typedef enum 123 { 124 AVC_OFF = 0, 125 AVC_ON = 1 126 } AVCFlag; 127 128 /** 129 This structure contains input information. 130 Note, this structure is identical to AVCDecOutput for now. 131 */ 132 typedef struct tagAVCFrameIO 133 { 134 /** A unique identification number for a particular instance of this structure. 135 To remain unchanged by the application between the time when it is given to the 136 library and the time when the library returns it back. */ 137 uint32 id; 138 139 /** Array of pointers to Y,Cb,Cr content in 4:2:0 format. For AVC decoding, 140 this memory is allocated by the AVC decoder library. For AVC encoding, only the 141 memory for original unencoded frame is allocated by the application. Internal 142 memory is also allocated by the AVC encoder library. */ 143 uint8 *YCbCr[3]; 144 145 /** In/Out: Coded width of the luma component, it has to be multiple of 16. */ 146 int pitch; 147 148 /** In/Out: Coded height of the luma component, must be multiple of 16. */ 149 int height; 150 151 /** In/Out: Display width, less than picth */ 152 int clip_width; 153 154 /** In/Out: Display height, less than height */ 155 int clip_height; 156 157 /** Input: Origin of the display area [0]=>row, [1]=>column */ 158 int clip_origin[2]; 159 160 /** Output: Frame number in de/encoding order (not necessary)*/ 161 uint32 coding_order; 162 163 /** Output: Frame number in displaying order (this may or may not be associated with the POC at all!!!). */ 164 uint32 disp_order; 165 166 /** In/Out: Flag for use for reference or not. */ 167 uint is_reference; 168 169 /** In/Out: Coding timestamp in msec (not display timestamp) */ 170 uint32 coding_timestamp; 171 172 /* there could be something else here such as format, DON (decoding order number) 173 if available thru SEI, etc. */ 174 } AVCFrameIO; 175 176 177 /** CALLBACK FUNCTION TO BE IMPLEMENTED BY APPLICATION */ 178 /** In AVCDecControls structure, userData is a pointer to an object with the following 179 member functions. 180 */ 181 182 183 /** @brief Decoded picture buffers (DPB) must be allocated or re-allocated before an 184 IDR frame is decoded. If PV_MEMORY_POOL is not defined, AVC lib will allocate DPB 185 internally which cannot be shared with the application. In that case, this function 186 will not be called. 187 @param userData The same value of userData in AVCHandle object. 188 @param frame_size_in_mbs The size of each frame in number of macroblocks. 189 @param num_frames The number of frames in DPB. 190 @return 1 for success, 0 for fail (cannot allocate DPB) 191 */ 192 193 typedef int (*FunctionType_DPBAlloc)(void *userData, uint frame_size_in_mbs, uint num_buffers); 194 195 /** @brief AVC library calls this function is reserve a memory of one frame from the DPB. 196 Once reserved, this frame shall not be deleted or over-written by the app. 197 @param userData The same value of userData in AVCHandle object. 198 @param indx Index of a frame in DPB (AVC library keeps track of the index). 199 @param yuv The address of the yuv pointer returned to the AVC lib. 200 @return 1 for success, 0 for fail (no frames available to bind). 201 */ 202 typedef int (*FunctionType_FrameBind)(void *userData, int indx, uint8 **yuv); 203 204 /** @brief AVC library calls this function once a bound frame is not needed for decoding 205 operation (falls out of the sliding window, or marked unused for reference). 206 @param userData The same value of userData in AVCHandle object. 207 @param indx Index of frame to be unbound (AVC library keeps track of the index). 208 @return none. 209 */ 210 typedef void (*FuctionType_FrameUnbind)(void *userData, int); 211 212 /** Pointer to malloc function for general memory allocation, so that application can keep track of 213 memory usage. 214 \param "size" "Size of requested memory in bytes." 215 \param "attribute" "Some value specifying types, priority, etc. of the memory." 216 \return "The address of the allocated, zero-initialized memory" 217 */ 218 typedef void* (*FunctionType_Malloc)(void *userData, int32 size, int attribute); 219 220 /** Function pointer to free 221 \param "mem" "Pointer to the memory to be freed" 222 \return "void" 223 */ 224 typedef void (*FunctionType_Free)(void *userData, void *mem); 225 226 /** Debug logging information is returned to the application thru this function. 227 \param "type" "Type of logging message, see definition of AVCLogType." 228 \param "string1" "Logging message." 229 \param "string2" "To be defined." 230 */ 231 typedef void (*FunctionType_DebugLog)(uint32 *userData, AVCLogType type, char *string1, int val1, int val2); 232 233 /** 234 This structure has to be allocated and maintained by the user of the library. 235 This structure is used as a handle to the library object. 236 */ 237 typedef struct tagAVCHandle 238 { 239 /** A pointer to the internal data structure. Users have to make sure that this value 240 is NULL at the beginning. 241 */ 242 void *AVCObject; 243 244 /** A pointer to user object which has the following member functions used for 245 callback purpose. !!! */ 246 void *userData; 247 248 /** Pointers to functions implemented by the users of AVC library */ 249 FunctionType_DPBAlloc CBAVC_DPBAlloc; 250 251 FunctionType_FrameBind CBAVC_FrameBind; 252 253 FuctionType_FrameUnbind CBAVC_FrameUnbind; 254 255 FunctionType_Malloc CBAVC_Malloc; 256 257 FunctionType_Free CBAVC_Free; 258 259 FunctionType_DebugLog CBAVC_DebugLog; 260 261 /** Flag to enable debugging */ 262 uint32 debugEnable; 263 264 } AVCHandle; 265 266 267 268 #ifdef PVDEBUGMSG_LOG 269 #define DEBUG_LOG(a,b,c,d,e) CBAVC_DebugLog(a,b,c,d,e) 270 #else 271 #define DEBUG_LOG(a,b,c,d,e) 272 #endif 273 274 #endif /* _AVCAPI_COMMON_H_ */ 275
