ape_reader/MAClib/APEHeader.cpp

2 #include "APEHeader.h"
161     APE_HEADER APEHeader; memset(&APEHeader, 0, sizeof(APEHeader));
171     m_pIO->Read(&APEHeader, sizeof(APEHeader), &nBytesRead);
178     pInfo->nCompressionLevel    = int(APEHeader.nCompressionLevel);
179     pInfo->nFormatFlags            = int(APEHeader.nFormatFlags);
180     pInfo->nTotalFrames            = int(APEHeader.nTotalFrames);
181     pInfo->nFinalFrameBlocks    = int(APEHeader.nFinalFrameBlocks);
182     pInfo->nBlocksPerFrame        = int(APEHeader.nBlocksPerFrame);
183     pInfo->nChannels            = int(APEHeader.nChannels);
184     pInfo->nSampleRate            = int(APEHeader.nSampleRate);
185     pInfo->nBitsPerSample        = int(APEHeader.nBitsPerSample);
188     pInfo->nTotalBlocks            = (APEHeader.nTotalFrames == 0) ? 0 : ((APEHeader.nTotalFrames -  1) * pInfo->nBlocksPerFrame) + APEHeader.nFinalFrameBlocks;
189     pInfo->nWAVHeaderBytes        = (APEHeader.nFormatFlags & MAC_FORMAT_FLAG_CREATE_WAV_HEADER) ? sizeof(WAVE_HEADER) : pInfo->spAPEDescriptor->nHeaderDataBytes;
206     if (!(APEHeader.nFormatFlags & MAC_FORMAT_FLAG_CREATE_WAV_HEADER))
222     APE_HEADER_OLD APEHeader;
224     m_pIO->Read((unsigned char *) &APEHeader, sizeof(APEHeader), &nBytesRead);
227     if (APEHeader.nTotalFrames == 0)
231     if (APEHeader.nFormatFlags & MAC_FORMAT_FLAG_HAS_PEAK_LEVEL)
234     if (APEHeader.nFormatFlags & MAC_FORMAT_FLAG_HAS_SEEK_ELEMENTS)
237         pInfo->nSeekTableElements = APEHeader.nTotalFrames;
240     pInfo->nVersion                = int(APEHeader.nVersion);
241     pInfo->nCompressionLevel    = int(APEHeader.nCompressionLevel);
242     pInfo->nFormatFlags            = int(APEHeader.nFormatFlags);
243     pInfo->nTotalFrames            = int(APEHeader.nTotalFrames);
244     pInfo->nFinalFrameBlocks    = int(APEHeader.nFinalFrameBlocks);
245     pInfo->nBlocksPerFrame        = ((APEHeader.nVersion >= 3900) || ((APEHeader.nVersion >= 3800) && (APEHeader.nCompressionLevel == COMPRESSION_LEVEL_EXTRA_HIGH))) ? 73728 : 9216;
246     if ((APEHeader.nVersion >= 3950)) pInfo->nBlocksPerFrame = 73728 * 4;
247     pInfo->nChannels            = int(APEHeader.nChannels);
248     pInfo->nSampleRate            = int(APEHeader.nSampleRate);
252     pInfo->nTotalBlocks            = (APEHeader.nTotalFrames == 0) ? 0 : ((APEHeader.nTotalFrames -  1) * pInfo->nBlocksPerFrame) + APEHeader.nFinalFrameBlocks;
253     pInfo->nWAVHeaderBytes        = (APEHeader.nFormatFlags & MAC_FORMAT_FLAG_CREATE_WAV_HEADER) ? sizeof(WAVE_HEADER) : APEHeader.nHeaderBytes;
254     pInfo->nWAVTerminatingBytes    = int(APEHeader.nTerminatingBytes);
263     if (!(APEHeader.nFormatFlags & MAC_FORMAT_FLAG_CREATE_WAV_HEADER))
265         pInfo->spWaveHeaderData.Assign(new unsigned char [APEHeader.nHeaderBytes], TRUE);
267         m_pIO->Read((unsigned char *) pInfo->spWaveHeaderData, APEHeader.nHeaderBytes, &nBytesRead);
276     if (APEHeader.nVersion <= 3800)