Showing the changes to codec/encoder/core/src/utils.cpp (1 of 308 files). Show all
Unified · Split
| @@ -0,0 +1,513 @@ | |||
| 1 | /*! | ||
| 2 | * \copy | ||
| 3 | * Copyright (c) 2009-2013, Cisco Systems | ||
| 4 | * All rights reserved. | ||
| 5 | * | ||
| 6 | * Redistribution and use in source and binary forms, with or without | ||
| 7 | * modification, are permitted provided that the following conditions | ||
| 8 | * are met: | ||
| 9 | * | ||
| 10 | * * Redistributions of source code must retain the above copyright | ||
| 11 | * notice, this list of conditions and the following disclaimer. | ||
| 12 | * | ||
| 13 | * * Redistributions in binary form must reproduce the above copyright | ||
| 14 | * notice, this list of conditions and the following disclaimer in | ||
| 15 | * the documentation and/or other materials provided with the | ||
| 16 | * distribution. | ||
| 17 | * | ||
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| 19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| 20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | ||
| 21 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
| 22 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
| 23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
| 24 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 25 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
| 26 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | ||
| 28 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 29 | * POSSIBILITY OF SUCH DAMAGE. | ||
| 30 | * | ||
| 31 | * | ||
| 32 | * \file utils.c | ||
| 33 | * | ||
| 34 | * \brief common tool/function utilization | ||
| 35 | * | ||
| 36 | * \date 03/10/2009 Created | ||
| 37 | * | ||
| 38 | ************************************************************************************* | ||
| 39 | */ | ||
| 40 | #include <string.h> | ||
| 41 | #include <stdlib.h> | ||
| 42 | #include <assert.h> | ||
| 43 | #include <math.h> | ||
| 44 | #include <time.h> | ||
| 45 | #if defined(WIN32) | ||
| 46 | #include <windows.h> | ||
| 47 | #include <sys/types.h> | ||
| 48 | #include <sys/timeb.h> | ||
| 49 | #else | ||
| 50 | #include <sys/time.h> | ||
| 51 | #endif | ||
| 52 | |||
| 53 | #include "utils.h" | ||
| 54 | #include "macros.h" | ||
| 55 | #include "wels_const.h" | ||
| 56 | #include "property.h" | ||
| 57 | #include "cpu_core.h" | ||
| 58 | #include "encoder_context.h" | ||
| 59 | #include "as264_common.h" | ||
| 60 | #include "property.h" | ||
| 61 | #include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms | ||
| 62 | |||
| 63 | |||
| 64 | namespace WelsSVCEnc { | ||
| 65 | |||
| 66 | void WelsLogDefault( void *pCtx, const int32_t kiLevel, const str_t *kpFmtStr, va_list argv ); | ||
| 67 | void WelsLogNil( void *pCtx, const int32_t kiLevel, const str_t *kpFmtStr, va_list argv ); | ||
| 68 | |||
| 69 | real32_t WelsCalcPsnr( const void *kpTarPic, | ||
| 70 | const int32_t kiTarStride, | ||
| 71 | const void *kpRefPic, | ||
| 72 | const int32_t kiRefStride, | ||
| 73 | const int32_t kiWidth, | ||
| 74 | const int32_t kiHeight ); | ||
| 75 | |||
| 76 | // to fill default routines | ||
| 77 | #ifdef ENABLE_TRACE_FILE | ||
| 78 | PWelsLogCallbackFunc wlog = WelsLogDefault; | ||
| 79 | #else | ||
| 80 | PWelsLogCallbackFunc wlog = WelsLogNil; | ||
| 81 | #endif | ||
| 82 | |||
| 83 | iWelsLogLevel g_iLevelLog = WELS_LOG_DEFAULT; // default log iLevel | ||
| 84 | int32_t g_iSizeLogBuf = 1024; // pBuffer size for each log output | ||
| 85 | |||
| 86 | /* | ||
| 87 | * Log output routines | ||
| 88 | */ | ||
| 89 | |||
| 90 | /*! | ||
| 91 | * \brief get log tag | ||
| 92 | * \param kiLevel log iLevel | ||
| 93 | * \return tag of log iLevel | ||
| 94 | */ | ||
| 95 | static inline str_t *GetLogTag( const int32_t kiLevel, int32_t *pBit ) | ||
| 96 | { | ||
| 97 | int32_t iShift = 0; | ||
| 98 | int32_t iVal = 0; | ||
| 99 | bool_t bFound = false; | ||
| 100 | |||
| 101 | if ( kiLevel <= 0 || kiLevel > (1 << (WELS_LOG_LEVEL_COUNT-1)) || NULL == pBit ) | ||
| 102 | return NULL; | ||
| 103 | |||
| 104 | for(;;) | ||
| 105 | { | ||
| 106 | if ( iShift >= WELS_LOG_LEVEL_COUNT ) | ||
| 107 | break; | ||
| 108 | iVal = (1 << iShift); | ||
| 109 | if ( iVal == kiLevel ) | ||
| 110 | { | ||
| 111 | bFound = true; | ||
| 112 | break; | ||
| 113 | } | ||
| 114 | ++ iShift; | ||
| 115 | } | ||
| 116 | |||
| 117 | if ( bFound ) | ||
| 118 | { | ||
| 119 | *pBit = iShift; | ||
| 120 | return (str_t *)g_sWelsLogTags[iShift]; | ||
| 121 | } | ||
| 122 | return NULL; | ||
| 123 | } | ||
| 124 | |||
| 125 | /*! | ||
| 126 | ************************************************************************************* | ||
| 127 | * \brief System trace log output in Wels | ||
| 128 | * | ||
| 129 | * \param pCtx instance pointer | ||
| 130 | * \param kiLevel log iLevel ( WELS_LOG_QUIET, ERROR, WARNING, INFO, DEBUG ) | ||
| 131 | * \param kpFmtStr formated string to mount | ||
| 132 | * \param argv pData string argument | ||
| 133 | * | ||
| 134 | * \return NONE | ||
| 135 | * | ||
| 136 | * \note N/A | ||
| 137 | ************************************************************************************* | ||
| 138 | */ | ||
| 139 | void WelsLogDefault( void *pCtx, const int32_t kiLevel, const str_t *kpFmtStr, va_list argv ) | ||
| 140 | { | ||
| 141 | sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx; | ||
| 142 | iWelsLogLevel iVal = (kiLevel & g_iLevelLog); | ||
| 143 | |||
| 144 | if ( 0 == iVal || NULL == pEncCtx ) // such iLevel not enabled | ||
| 145 | { | ||
| 146 | return; | ||
| 147 | } | ||
| 148 | else | ||
| 149 | { | ||
| 150 | str_t pBuf[WELS_LOG_BUF_SIZE+1] = {0}; | ||
| 151 | const int32_t kiBufSize = sizeof(pBuf) / sizeof(pBuf[0]) - 1; | ||
| 152 | int32_t iCurUsed = 0; | ||
| 153 | int32_t iBufUsed = 0; | ||
| 154 | int32_t iBufLeft = kiBufSize - iBufUsed; | ||
| 155 | |||
| 156 | if ( pEncCtx ){ | ||
| 157 | time_t l_time; | ||
| 158 | #if defined(WIN32) | ||
| 159 | #if defined(_MSC_VER) | ||
| 160 | #if _MSC_VER >= 1500 | ||
| 161 | struct tm t_now; | ||
| 162 | #else//VC6 | ||
| 163 | struct tm* t_now; | ||
| 164 | #endif//_MSC_VER >= 1500 | ||
| 165 | #endif//_MSC_VER | ||
| 166 | #else//__GNUC__ | ||
| 167 | struct tm* t_now; | ||
| 168 | #endif//WIN32 | ||
| 169 | |||
| 170 | #if defined( WIN32 ) | ||
| 171 | struct _timeb tb; | ||
| 172 | |||
| 173 | time(&l_time); | ||
| 174 | #ifdef _MSC_VER | ||
| 175 | #if _MSC_VER >= 1500 | ||
| 176 | LOCALTIME(&t_now, &l_time); | ||
| 177 | #else | ||
| 178 | t_now = LOCALTIME(&l_time); | ||
| 179 | if ( NULL == t_now ) | ||
| 180 | { | ||
| 181 | return; | ||
| 182 | } | ||
| 183 | #endif//_MSC_VER >= 1500 | ||
| 184 | #endif//_MSC_VER | ||
| 185 | FTIME(&tb); | ||
| 186 | #elif defined( __GNUC__ ) | ||
| 187 | struct timeval tv; | ||
| 188 | time(&l_time); | ||
| 189 | t_now = (struct tm *)LOCALTIME(&l_time); | ||
| 190 | gettimeofday(&tv,NULL); | ||
| 191 | #endif//WIN32 | ||
| 192 | if (iBufLeft > 0){ | ||
| 193 | #ifdef _MSC_VER | ||
| 194 | #if _MSC_VER >= 1500 | ||
| 195 | iCurUsed = SNPRINTF( &pBuf[iBufUsed], iBufLeft, iBufLeft, "[0x%p @ ", pEncCtx ); // confirmed_safe_unsafe_usage | ||
| 196 | #else | ||
| 197 | iCurUsed = SNPRINTF( &pBuf[iBufUsed], iBufLeft, "[0x%p @ ", pEncCtx ); // confirmed_safe_unsafe_usage | ||
| 198 | #endif//_MSC_VER >= 1500 | ||
| 199 | #endif//_MSC_VER | ||
| 200 | if (iCurUsed >= 0){ | ||
| 201 | iBufUsed += iCurUsed; | ||
| 202 | iBufLeft -= iCurUsed; | ||
| 203 | } | ||
| 204 | } | ||
| 205 | else{ | ||
| 206 | return; | ||
| 207 | } | ||
| 208 | |||
| 209 | if ( iBufLeft > 0 ){ | ||
| 210 | iCurUsed = GetCodeName( &pBuf[iBufUsed], iBufLeft ); | ||
| 211 | if ( iCurUsed > 0 ){ | ||
| 212 | iBufUsed += iCurUsed; | ||
| 213 | iBufLeft -= iCurUsed; | ||
| 214 | } | ||
| 215 | pBuf[iBufUsed] = ' '; | ||
| 216 | ++ iBufUsed; | ||
| 217 | -- iBufLeft; | ||
| 218 | |||
| 219 | iCurUsed = GetLibName( &pBuf[iBufUsed], iBufLeft ); | ||
| 220 | if ( iCurUsed > 0 ){ | ||
| 221 | iBufUsed += iCurUsed; | ||
| 222 | iBufLeft -= iCurUsed; | ||
| 223 | } | ||
| 224 | pBuf[iBufUsed] = ' '; | ||
| 225 | ++ iBufUsed; | ||
| 226 | -- iBufLeft; | ||
| 227 | |||
| 228 | pBuf[iBufUsed] = 'v'; | ||
| 229 | ++ iBufUsed; | ||
| 230 | -- iBufLeft; | ||
| 231 | iCurUsed = GetVerNum( &pBuf[iBufUsed], iBufLeft ); | ||
| 232 | if ( iCurUsed > 0 ){ | ||
| 233 | iBufUsed += iCurUsed; | ||
| 234 | iBufLeft -= iCurUsed; | ||
| 235 | } | ||
| 236 | pBuf[iBufUsed] = ' '; | ||
| 237 | ++ iBufUsed; | ||
| 238 | -- iBufLeft; | ||
| 239 | } | ||
| 240 | |||
| 241 | if (iBufLeft > 0){ | ||
| 242 | #if defined(WIN32) && defined(_MSC_VER) && (_MSC_VER >= 1500) | ||
| 243 | iCurUsed = strftime(&pBuf[iBufUsed], iBufLeft, "%y-%m-%d %H:%M:%S", &t_now); | ||
| 244 | #else | ||
| 245 | iCurUsed = strftime(&pBuf[iBufUsed], iBufLeft, "%y-%m-%d %H:%M:%S", t_now); | ||
| 246 | #endif//WIN32.. | ||
| 247 | if (iCurUsed > 0){ | ||
| 248 | iBufUsed += iCurUsed; | ||
| 249 | iBufLeft -= iCurUsed; | ||
| 250 | } | ||
| 251 | } | ||
| 252 | else{ | ||
| 253 | return; | ||
| 254 | } | ||
| 255 | |||
| 256 | if (iBufLeft > 0){ | ||
| 257 | #if defined (WIN32) | ||
| 258 | #ifdef _MSC_VER | ||
| 259 | #if _MSC_VER >= 1500 | ||
| 260 | iCurUsed = SNPRINTF(&pBuf[iBufUsed], iBufLeft, iBufLeft, ".%03.3u]: ", tb.millitm); // confirmed_safe_unsafe_usage | ||
| 261 | #else | ||
| 262 | iCurUsed = SNPRINTF(&pBuf[iBufUsed], iBufLeft, ".%3.3u]: ", tb.millitm); // confirmed_safe_unsafe_usage | ||
| 263 | #endif//_MSC_VER >= 1500 | ||
| 264 | #endif//_MSC_VER | ||
| 265 | #elif defined (__GNUC__) | ||
| 266 | iCurUsed = SNPRINTF(&pBuf[iBufUsed], iBufLeft, ".%3.3u]: ", tv.tv_usec/1000); // confirmed_safe_unsafe_usage | ||
| 267 | #endif//WIN32 | ||
| 268 | if (iCurUsed >= 0){ | ||
| 269 | iBufUsed += iCurUsed; | ||
| 270 | iBufLeft -= iCurUsed; | ||
| 271 | } | ||
| 272 | } | ||
| 273 | else{ | ||
| 274 | return; | ||
| 275 | } | ||
| 276 | } | ||
| 277 | |||
| 278 | // fixed stack corruption issue on vs2008 | ||
| 279 | if ( iBufLeft > 0 ){ | ||
| 280 | int32_t i_shift = 0; | ||
| 281 | str_t *pStr = NULL; | ||
| 282 | pStr = GetLogTag( kiLevel, &i_shift ); | ||
| 283 | if ( NULL != pCtx){ | ||
| 284 | int32_t iLenTag = STRNLEN( pStr, 8 ); // confirmed_safe_unsafe_usage | ||
| 285 | STRCAT( &pBuf[iBufUsed], iBufLeft, pStr ); // confirmed_safe_unsafe_usage | ||
| 286 | iBufUsed += iLenTag; | ||
| 287 | pBuf[iBufUsed] = ' '; | ||
| 288 | iBufUsed++; | ||
| 289 | ++iLenTag; | ||
| 290 | iBufLeft -= iLenTag; | ||
| 291 | } | ||
| 292 | } | ||
| 293 | if (iBufLeft > 0){ | ||
| 294 | #if defined(WIN32) && defined(_MSC_VER) && (_MSC_VER >= 1500) | ||
| 295 | int32_t len = 0; | ||
| 296 | len = _vscprintf( kpFmtStr, argv ) // _vscprintf doesn't count | ||
| 297 | + 1; // terminating '\0' | ||
| 298 | iCurUsed = VSPRINTF(&pBuf[iBufUsed], len, kpFmtStr, argv); // confirmed_safe_unsafe_usage | ||
| 299 | #else | ||
| 300 | iCurUsed = VSPRINTF(&pBuf[iBufUsed], kpFmtStr, argv); // confirmed_safe_unsafe_usage | ||
| 301 | #endif//WIN32.. | ||
| 302 | if (iCurUsed > 0){ | ||
| 303 | iBufUsed += iCurUsed; | ||
| 304 | iBufLeft -= iCurUsed; | ||
| 305 | } | ||
| 306 | } | ||
| 307 | #ifdef ENABLE_TRACE_FILE | ||
| 308 | if (NULL != pEncCtx && NULL != pEncCtx->pFileLog){ | ||
| 309 | if ( pEncCtx->uiSizeLog > MAX_TRACE_LOG_SIZE){ | ||
| 310 | if (0 == fseek(pEncCtx->pFileLog, 0L, SEEK_SET)) | ||
| 311 | pEncCtx->uiSizeLog = 0; | ||
| 312 | } | ||
| 313 | if ( iBufUsed > 0 && iBufUsed < WELS_LOG_BUF_SIZE ) | ||
| 314 | { | ||
| 315 | iCurUsed = fwrite(pBuf, 1, iBufUsed, pEncCtx->pFileLog); | ||
| 316 | fflush( pEncCtx->pFileLog ); | ||
| 317 | if ( iCurUsed == iBufUsed ) | ||
| 318 | pEncCtx->uiSizeLog += iBufUsed; | ||
| 319 | } | ||
| 320 | } | ||
| 321 | else{ | ||
| 322 | #if defined(WIN32) && defined(_DEBUG) | ||
| 323 | OutputDebugStringA(pBuf); | ||
| 324 | #endif | ||
| 325 | } | ||
| 326 | #endif//ENABLE_TRACE_FILE | ||
| 327 | } | ||
| 328 | } | ||
| 329 | void WelsLogNil( void *pCtx, const int32_t kiLevel, const str_t *kpFmtStr, va_list argv ) | ||
| 330 | { | ||
| 331 | // NULL implementation | ||
| 332 | } | ||
| 333 | |||
| 334 | /*! | ||
| 335 | ************************************************************************************* | ||
| 336 | * \brief reopen log file when finish setting current path | ||
| 337 | * | ||
| 338 | * \param pCtx context pCtx | ||
| 339 | * \param pCurPath current path string | ||
| 340 | * | ||
| 341 | * \return NONE | ||
| 342 | * | ||
| 343 | * \note N/A | ||
| 344 | ************************************************************************************* | ||
| 345 | */ | ||
| 346 | void WelsReopenTraceFile( void *pCtx, str_t *pCurPath ) | ||
| 347 | { | ||
| 348 | #ifdef ENABLE_TRACE_FILE | ||
| 349 | sWelsEncCtx *pEncCtx = (sWelsEncCtx *)pCtx; | ||
| 350 | if (wlog == WelsLogDefault) | ||
| 351 | { | ||
| 352 | str_t strTraceFile[MAX_FNAME_LEN] = {0}; | ||
| 353 | int32_t len = 0; | ||
| 354 | if (pEncCtx->pFileLog != NULL) | ||
| 355 | { | ||
| 356 | fclose(pEncCtx->pFileLog); | ||
| 357 | pEncCtx->pFileLog = NULL; | ||
| 358 | } | ||
| 359 | pEncCtx->uiSizeLog = 0; | ||
| 360 | len = STRNLEN( pCurPath, MAX_FNAME_LEN-1 ); // confirmed_safe_unsafe_usage | ||
| 361 | if (len >= MAX_FNAME_LEN) | ||
| 362 | return; | ||
| 363 | STRNCPY(strTraceFile, MAX_FNAME_LEN, pCurPath, len); // confirmed_safe_unsafe_usage | ||
| 364 | #ifdef __GNUC__ | ||
| 365 | STRCAT(strTraceFile, MAX_FNAME_LEN-len, "/wels_encoder_trace.txt"); // confirmed_safe_unsafe_usage | ||
| 366 | pEncCtx->pFileLog = FOPEN(strTraceFile, "wt+"); // confirmed_safe_unsafe_usage | ||
| 367 | #elif WIN32 | ||
| 368 | STRCAT(strTraceFile, MAX_FNAME_LEN-len, "\\wels_encoder_trace.txt");// confirmed_safe_unsafe_usage | ||
| 369 | #if _MSC_VER >= 1500 | ||
| 370 | FOPEN(&pEncCtx->pFileLog, strTraceFile, "wt+"); // confirmed_safe_unsafe_usage | ||
| 371 | #else | ||
| 372 | pEncCtx->pFileLog = FOPEN(strTraceFile, "wt+"); // confirmed_safe_unsafe_usage | ||
| 373 | #endif//_MSC_VER>=1500 | ||
| 374 | #else | ||
| 375 | #endif//__GNUC__ | ||
| 376 | } | ||
| 377 | #endif//ENABLE_TRACE_FILE | ||
| 378 | } | ||
| 379 | |||
| 380 | /*! | ||
| 381 | ************************************************************************************* | ||
| 382 | * \brief set log iLevel from external call | ||
| 383 | * | ||
| 384 | * \param iLevel iLevel of log | ||
| 385 | * | ||
| 386 | * \return NONE | ||
| 387 | * | ||
| 388 | * \note can be able to control log iLevel dynamically | ||
| 389 | ************************************************************************************* | ||
| 390 | */ | ||
| 391 | void WelsSetLogLevel( const int32_t kiLevel ) | ||
| 392 | { | ||
| 393 | iWelsLogLevel iVal = 0; | ||
| 394 | if ( kiLevel & WELS_LOG_ERROR ) | ||
| 395 | { | ||
| 396 | iVal |= WELS_LOG_ERROR; | ||
| 397 | } | ||
| 398 | if ( kiLevel & WELS_LOG_WARNING ) | ||
| 399 | { | ||
| 400 | iVal |= WELS_LOG_WARNING; | ||
| 401 | } | ||
| 402 | if ( kiLevel & WELS_LOG_INFO ) | ||
| 403 | { | ||
| 404 | iVal |= WELS_LOG_INFO; | ||
| 405 | } | ||
| 406 | if ( kiLevel & WELS_LOG_DEBUG ) | ||
| 407 | { | ||
| 408 | iVal |= WELS_LOG_DEBUG; | ||
| 409 | } | ||
| 410 | g_iLevelLog = iVal; | ||
| 411 | } | ||
| 412 | |||
| 413 | /*! | ||
| 414 | ************************************************************************************* | ||
| 415 | * \brief get log iLevel from external call | ||
| 416 | * | ||
| 417 | * \param N/A | ||
| 418 | * | ||
| 419 | * \return current iLevel of log used in codec internal | ||
| 420 | * | ||
| 421 | * \note can be able to get log iLevel of internal codec applicable | ||
| 422 | ************************************************************************************* | ||
| 423 | */ | ||
| 424 | int32_t WelsGetLogLevel( void ) | ||
| 425 | { | ||
| 426 | return g_iLevelLog; | ||
| 427 | } | ||
| 428 | |||
| 429 | /*! | ||
| 430 | ************************************************************************************* | ||
| 431 | * \brief set log callback from external call | ||
| 432 | * | ||
| 433 | * \param _log log function routine | ||
| 434 | * | ||
| 435 | * \return NONE | ||
| 436 | * | ||
| 437 | * \note N/A | ||
| 438 | ************************************************************************************* | ||
| 439 | */ | ||
| 440 | void WelsSetLogCallback( PWelsLogCallbackFunc _log ) | ||
| 441 | { | ||
| 442 | wlog = _log; | ||
| 443 | } | ||
| 444 | |||
| 445 | void WelsLogCall(void *pCtx, int32_t iLevel, const str_t *kpFmt, va_list vl) | ||
| 446 | { | ||
| 447 | wlog(pCtx, iLevel, kpFmt, vl); | ||
| 448 | } | ||
| 449 | |||
| 450 | void WelsLog(void *pCtx, int32_t iLevel, const str_t *kpFmt, ...) | ||
| 451 | { | ||
| 452 | va_list vl; | ||
| 453 | va_start(vl, kpFmt); | ||
| 454 | WelsLogCall(pCtx, iLevel, kpFmt, vl); | ||
| 455 | va_end(vl); | ||
| 456 | } | ||
| 457 | |||
| 458 | #ifndef CALC_PSNR | ||
| 459 | #define CONST_FACTOR_PSNR (10.0 / log(10.0)) // for good computation | ||
| 460 | #define CALC_PSNR(w, h, s) ((real32_t)(CONST_FACTOR_PSNR * log( 65025.0 * w * h / iSqe ))) | ||
| 461 | #endif//CALC_PSNR | ||
| 462 | |||
| 463 | /* | ||
| 464 | * PSNR calculation routines | ||
| 465 | */ | ||
| 466 | /*! | ||
| 467 | ************************************************************************************* | ||
| 468 | * \brief PSNR calculation utilization in Wels | ||
| 469 | * | ||
| 470 | * \param pTarPic target picture to be calculated in Picture pData format | ||
| 471 | * \param iTarStride stride of target picture pData pBuffer | ||
| 472 | * \param pRefPic base referencing picture samples | ||
| 473 | * \param iRefStride stride of reference picture pData pBuffer | ||
| 474 | * \param iWidth picture iWidth in pixel | ||
| 475 | * \param iHeight picture iHeight in pixel | ||
| 476 | * | ||
| 477 | * \return actual PSNR result; | ||
| 478 | * | ||
| 479 | * \note N/A | ||
| 480 | ************************************************************************************* | ||
| 481 | */ | ||
| 482 | real32_t WelsCalcPsnr( const void *kpTarPic, | ||
| 483 | const int32_t kiTarStride, | ||
| 484 | const void *kpRefPic, | ||
| 485 | const int32_t kiRefStride, | ||
| 486 | const int32_t kiWidth, | ||
| 487 | const int32_t kiHeight ) | ||
| 488 | { | ||
| 489 | int64_t iSqe = 0; | ||
| 490 | int32_t x, y; | ||
| 491 | uint8_t *pTar = (uint8_t *)kpTarPic; | ||
| 492 | uint8_t *pRef = (uint8_t *)kpRefPic; | ||
| 493 | |||
| 494 | if ( NULL == pTar || NULL == pRef ) | ||
| 495 | return (-1.0f); | ||
| 496 | |||
| 497 | for ( y = 0; y < kiHeight; ++ y ) // OPTable !! | ||
| 498 | { | ||
| 499 | for ( x = 0; x < kiWidth; ++ x ) | ||
| 500 | { | ||
| 501 | const int32_t kiT = pTar[y*kiTarStride+x] - pRef[y*kiRefStride+x]; | ||
| 502 | iSqe += kiT * kiT; | ||
| 503 | } | ||
| 504 | } | ||
| 505 | if ( 0 == iSqe ) | ||
| 506 | { | ||
| 507 | return (99.99f); | ||
| 508 | } | ||
| 509 | return CALC_PSNR( kiWidth, kiHeight, iSqe ); | ||
| 510 | } | ||
| 511 | |||
| 512 | |||
| 513 | } | ||