| bool Impala::Core::Stream::RgbDataSrcInfo::ReadInfo | ( | bool | silent = false |
) | [inline, protected] |
Definition at line 280 of file RgbDataSrcInfo.h.
References BUFFER_SIZE, GetInfoIOBuffer(), Impala::Util::StringParser::GetInt(), ILOG_DEBUG, ILOG_ERROR, ILOG_WARN, Impala::MakeString(), MarkBadFrame(), Impala::Core::Stream::RgbDataSrc::mAspectRatioDen, Impala::Core::Stream::RgbDataSrc::mAspectRatioNum, mBadFrameNrs, Impala::Core::Stream::RgbDataSrc::mBitRate, Impala::Core::Stream::RgbDataSrc::mBlankFrames, Impala::Core::Stream::RgbDataSrc::mCodecName, Impala::Core::Stream::RgbDataSrc::mCodecTag, Impala::Core::Stream::RgbDataSrc::mDuration, Impala::Core::Stream::RgbDataSrc::mDurationHour, Impala::Core::Stream::RgbDataSrc::mDurationMin, Impala::Core::Stream::RgbDataSrc::mDurationSec, Impala::Core::Stream::RgbDataSrc::mFormatLName, Impala::Core::Stream::RgbDataSrc::mFormatName, mFormatStr, Impala::Core::Stream::RgbDataSrc::mFrameHeight, Impala::Core::Stream::RgbDataSrc::mFrameRateDen, Impala::Core::Stream::RgbDataSrc::mFrameRateNum, Impala::Core::Stream::RgbDataSrc::mFrameWidth, Impala::Core::Stream::RgbDataSrc::mGopSize, mIndex, Impala::Core::Stream::RgbDataSrc::mIndexExists, mInfoVersion, Impala::Core::Stream::RgbDataSrc::mLastFrame, Impala::Core::Stream::RgbDataSrc::mStreamCount, Impala::Core::Stream::RgbDataSrc::mTimeBaseDen, Impala::Core::Stream::RgbDataSrc::mTimeBaseNum, Impala::Core::Stream::RgbDataSrc::mVideoDuration, Impala::Core::Table::Read(), Impala::Util::IOBuffer::Read(), Impala::Core::Stream::RgbDataSrc::SetLeadingBadFrames(), Impala::Core::Table::Table::Size(), Impala::Timer::SplitTime(), Impala::Util::StringParser::TheEnd(), and Impala::StringList::ToString().
Referenced by Impala::Core::Stream::RgbDataSrcLavc_old::Init(), Impala::Core::Stream::RgbDataSrcLavc::ReadIndex(), and RgbDataSrcInfo().
00281 { 00282 ILOG_DEBUG("Reading info file"); 00283 Timer timer; 00284 Util::IOBuffer* infoBuf = GetInfoIOBuffer(false, silent); 00285 if (!infoBuf) 00286 { 00287 ILOG_WARN("Reading canceled"); 00288 return false; 00289 } 00290 00291 char buf[BUFFER_SIZE]; 00292 infoBuf->Read(buf, BUFFER_SIZE); 00293 char srcName[100]; 00294 char formatName[30]; 00295 char formatLName[100]; 00296 char codecName[30]; 00297 char codecTag[5]; 00298 char indexExists[5]; 00299 00300 int frameCount; 00301 char badFramesList[10000]; 00302 int numberOfLeadingBadFrames; 00303 int res = sscanf(buf, mFormatStr.c_str(), 00304 srcName, 00305 formatName, 00306 formatLName, 00307 &mBitRate, 00308 &mStreamCount, 00309 codecName, 00310 codecTag, 00311 &mTimeBaseNum, &mTimeBaseDen, 00312 &mVideoDuration, 00313 &mDuration, 00314 &mDurationHour, &mDurationMin, &mDurationSec, 00315 &mFrameWidth, 00316 &mFrameHeight, 00317 &mAspectRatioNum, &mAspectRatioDen, 00318 &frameCount, 00319 &mFrameRateNum, &mFrameRateDen, 00320 &mGopSize, 00321 &numberOfLeadingBadFrames, 00322 badFramesList, 00323 indexExists); 00324 if (res != 25) 00325 { 00326 ILOG_ERROR("RGB data source info format not compatible; " << 00327 "expected version is: " << mInfoVersion); 00328 return false; 00329 } 00330 00331 //if (frameCount != mLastFrame + 1) 00332 //{ 00333 // ILOG_ERROR("Number of frames according to info file (" << 00334 // frameCount << ") does not match currently " << 00335 // " established frame count (" << (mLastFrame + 1) << ")"); 00336 // return false; 00337 //} 00338 00339 //Copy the scanned data to member variables 00340 mLastFrame = frameCount - 1; 00341 mFormatName = formatName; 00342 mFormatLName = formatLName; 00343 mCodecName = codecName; 00344 mCodecTag = codecTag; 00345 00346 SetLeadingBadFrames(numberOfLeadingBadFrames); 00347 mBadFrameNrs.clear(); 00348 const String badFramesListString(badFramesList); 00349 if (badFramesListString != "none") 00350 { 00351 Util::StringParser parser(badFramesListString); 00352 while (!parser.TheEnd()) 00353 { 00354 const int frameNr = parser.GetInt(';', false, true); 00355 MarkBadFrame(frameNr); 00356 } 00357 } 00358 00359 if (String(indexExists) == "yes") 00360 mIndexExists = true; 00361 else 00362 mIndexExists = false; 00363 00364 // for debug log: 00365 { 00366 StringList badFramesString; 00367 for (int i = 0; i < mBadFrameNrs.size(); i++) 00368 badFramesString << MakeString(mBadFrameNrs[i]); 00369 00370 sprintf(buf, mFormatStr.c_str(), 00371 srcName, 00372 formatName, 00373 formatLName, 00374 mBitRate, 00375 mStreamCount, 00376 codecName, 00377 codecTag, 00378 mTimeBaseNum, mTimeBaseDen, 00379 mVideoDuration, 00380 mDuration, 00381 mDurationHour, mDurationMin, mDurationSec, 00382 mFrameWidth, 00383 mFrameHeight, 00384 mAspectRatioNum, mAspectRatioDen, 00385 mLastFrame + 1, 00386 mFrameRateNum, mFrameRateDen, 00387 mGopSize, 00388 mBlankFrames, 00389 badFramesString.ToString(';').c_str(), 00390 indexExists); 00391 ILOG_DEBUG("\n\n" << buf); 00392 } 00393 00394 if (mIndexExists) 00395 { 00396 ILOG_DEBUG("Reading the index attached to info file"); 00397 ILOG_DEBUG(" start read " << timer.SplitTime()); 00398 Read(mIndex, infoBuf); 00399 ILOG_DEBUG(" done actual read " << timer.SplitTime()); 00400 ILOG_DEBUG(mIndex->Size() << " index entries read"); 00401 } 00402 00403 delete infoBuf; 00404 return true; 00405 }
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