mirror
/
fm_transmitter
kopia lustrzana https://github.com/markondej/fm_transmitter
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność

Universal reader for stdin and WAVE files

pull/49/head
Marcin Kondej 2016-12-06 17:07:30 +01:00
rodzic 323e24090f
commit a4594ed48c
1 zmienionych plików z 21 dodań i 12 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

33
wave_reader.cpp
Wyświetl plik

@ -39,8 +39,8 @@
using std::ostringstream;
using std::exception;
WaveReader::WaveReader(string filename) :
filename(filename)
WaveReader::WaveReader(string filename, bool &forceStop) :
filename(filename), inputReady(false), fileSize(0)
{
char* headerData;
vector<char>* data;
@ -55,13 +55,15 @@ WaveReader::WaveReader(string filename) :
throw ErrorReporter(oss.str());
}
ifs.seekg(0, ifs.end);
fileSize = ifs.tellg();
ifs.seekg(0, ifs.beg);
if (!filename.empty()) {
ifs.seekg(0, ifs.end);
fileSize = ifs.tellg();
ifs.seekg(0, ifs.beg);
}
try {
bytesToRead = sizeof(PCMWaveHeader::chunkID) + sizeof(PCMWaveHeader::chunkSize) + sizeof(PCMWaveHeader::format);
data = readData(bytesToRead, true);
data = readData(bytesToRead, forceStop, true);
memcpy(headerData, &(*data)[0], bytesToRead);
headerOffset = bytesToRead;
delete data;
@ -72,7 +74,7 @@ WaveReader::WaveReader(string filename) :
}
bytesToRead = sizeof(PCMWaveHeader::subchunk1ID) + sizeof(PCMWaveHeader::subchunk1Size);
data = readData(bytesToRead, true);
data = readData(bytesToRead, forceStop, true);
memcpy(&headerData[headerOffset], &(*data)[0], bytesToRead);
headerOffset += bytesToRead;
delete data;
@ -83,7 +85,7 @@ WaveReader::WaveReader(string filename) :
throw ErrorReporter(oss.str());
}
data = readData(header.subchunk1Size, true);
data = readData(header.subchunk1Size, forceStop, true);
memcpy(&headerData[headerOffset], &(*data)[0], subchunk1MinSize);
headerOffset += subchunk1MinSize;
delete data;
@ -97,7 +99,7 @@ WaveReader::WaveReader(string filename) :
}
bytesToRead = sizeof(PCMWaveHeader::subchunk2ID) + sizeof(PCMWaveHeader::subchunk2Size);
data = readData(bytesToRead, true);
data = readData(bytesToRead, forceStop, true);
memcpy(&headerData[headerOffset], &(*data)[0], bytesToRead);
headerOffset += bytesToRead;
delete data;
@ -107,7 +109,9 @@ WaveReader::WaveReader(string filename) :
throw ErrorReporter(oss.str());
}
} catch (ErrorReporter &error) {
ifs.close();
if (filename.empty()) {
ifs.close();
}
throw error;
}
@ -116,11 +120,16 @@ WaveReader::WaveReader(string filename) :
WaveReader::~WaveReader()
{
ifs.close();
if (filename.empty()) {
ifs.close();
}
}
vector<char>* WaveReader::readData(unsigned bytesToRead, bool closeFileOnException)
vector<char>* WaveReader::readData(unsigned bytesToRead, &bool forceStop, bool closeFileOnException)
{
vector<char>* data = new vector<char>();
data->resize(bytesToRead);
if (fileSize < (unsigned)ifs.tellg() + bytesToRead) {
ostringstream oss;
oss << "Error while reading " << filename << ", data corrupted";