/*override*/ Transformation::Result SingleBitRepairer::apply(const Mp3Handler& h, const TransfConfig& transfConfig, const string& strOrigSrcName, string& strTempName)
{
//CB_ASSERT(UnknownDataStreamBase::BEGIN_SIZE >= x)
//if (strOrigSrcName in tmp or proc) throw; //ttt2
const vector<DataStream*>& vpStreams (h.getStreams());
for (int i = 0, n = cSize(vpStreams); i < n - 2; ++i)
{
DataStream* pDataStream (vpStreams[i]);
MpegStream* pAudio (dynamic_cast<MpegStream*>(pDataStream));
if (0 != pAudio)
{
UnknownDataStreamBase* pFrameToChange (dynamic_cast<UnknownDataStreamBase*>(vpStreams[i + 1]));
if (0 != pFrameToChange)
{
for (int k = 0; k < 32; ++k)
{
try
{
NoteColl notes (100);
char bfr [4];
const char* q (pFrameToChange->getBegin());
bfr[0] = q[0]; bfr[1] = q[1]; bfr[2] = q[2]; bfr[3] = q[3];
bfr[k / 8] ^= 1 << (k % 8);
MpegFrameBase frame (notes, pFrameToChange->getPos(), bfr);
if (pAudio->isCompatible(frame))
{
streampos posNewFrameEnd (frame.getPos());
posNewFrameEnd += frame.getSize();
int j (i + 1);
for (; j < n; ++j)
{
UnknownDataStreamBase* pLastReplacedFrame (dynamic_cast<UnknownDataStreamBase*>(vpStreams[j]));
if (0 == pLastReplacedFrame) { break; }
streampos posLastReplacedFrameEnd (pLastReplacedFrame->getPos());
posLastReplacedFrameEnd += pLastReplacedFrame->getSize();
if (posLastReplacedFrameEnd == posNewFrameEnd)
{
//qDebug("found");
ifstream_utf8 in (h.getName().c_str(), ios::binary);
{ // comp
switch (transfConfig.getCompAction())
{
case TransfConfig::TRANSF_DONT_CREATE: break;
case TransfConfig::TRANSF_CREATE:
{
streampos posCompBeg (findNearMpegFrameAtLeft(pFrameToChange->getPos(), in, pAudio));
streampos posCompEnd (findNearMpegFrameAtRight(posLastReplacedFrameEnd, in, pAudio));
in.seekg(posCompBeg);
string strCompBefore;
string strCompAfter;
transfConfig.getCompNames(strOrigSrcName, getActionName(), strCompBefore, strCompAfter);
{ // tmp before
ofstream_utf8 out (strCompBefore.c_str(), ios::binary);
//partialCopy(in, out, 10000);
//appendFilePart(in, out, pos, 2*nHalfSize);
appendFilePart(in, out, posCompBeg, posCompEnd - posCompBeg);
}
{ // tmp after
ofstream_utf8 out (strCompAfter.c_str(), ios::binary);
appendFilePart(in, out, posCompBeg, posCompEnd - posCompBeg);
out.seekp(pFrameToChange->getPos() - posCompBeg);
out.write(bfr, 4);
}
}
break;
default: CB_ASSERT (false);
}
}
{ // temp
transfConfig.getTempName(strOrigSrcName, getActionName(), strTempName);
ofstream_utf8 out (strTempName.c_str(), ios::binary);
in.seekg(0);
for (int i1 = 0; i1 < n; ++i1)
{
DataStream* q (vpStreams[i1]);
q->copy(in, out);
}
out.seekp(pFrameToChange->getPos());
out.write(bfr, 4);
CB_CHECK1 (out, WriteError());
}
return CHANGED;
}
if (posLastReplacedFrameEnd > posNewFrameEnd) { break; }
}
}
}
catch (const MpegFrameBase::NotMpegFrame&)
{
}
}
}
}
/*BrokenMpegDataStream* pBroken (dynamic_cast<BrokenMpegDataStream*>(pDataStream));
UnknownDataStream* pUnknown (dynamic_cast<UnknownDataStream*>(pDataStream));
TruncatedMpegDataStream* pTruncated (dynamic_cast<TruncatedMpegDataStream*>(pDataStream));*/
}
return NOT_CHANGED;
}
