Пример #1
0
void TFile::SetLength(size_t szNewLength, bool bRetainOldOffset)
{
	DEBUG_VERIFY_ALLOCATION;

	DEBUG_VERIFY(IsOpen());

	if(!(m_flOpenFlags & FOF_RESIZE))
		INITIATE_FAILURE;

	if(bRetainOldOffset)
	{
		size_t szCurOffset = InternalTell();

		SetFilePointer(m_hFile, szNewLength, NULL, FILE_BEGIN); // ... (no error check-up)
		if(!SetEndOfFile(m_hFile))
			throw 1;

		InternalSeek(szCurOffset);
	}
	else
	{
		if(!(m_flOpenFlags & FOF_SEEK))
			throw 1;

		SetFilePointer(m_hFile, szNewLength, NULL, FILE_BEGIN); // ... (no error check-up)
		if(!SetEndOfFile(m_hFile))
			throw 1;
	}

	m_FilePos.m_szLength = szNewLength;
}
Пример #2
0
void TFile::Seek(int iOffset, TFileSeekMode Mode)
{
	DEBUG_VERIFY_ALLOCATION;

	DEBUG_VERIFY(IsOpen());

	if(!(m_flOpenFlags & FOF_SEEK))
		INITIATE_FAILURE;

	InternalSeek(iOffset, Mode);
}
Пример #3
0
bool BaseInFileStream::SignalSeek(double &absoluteTimestamp) {
	//1. Seek to the correct point
	if (!InternalSeek(absoluteTimestamp)) {
		FATAL("Unable to seek to %.02f", absoluteTimestamp);
		return false;
	}

	//2. If the stream is active, re-initiate the feed reaction
	if (!_paused)
		ReadyForSend();

	//3. Done
	return true;
}
Пример #4
0
bool BaseInFileStream::SignalSeek(double &absoluteTimestamp) {
	//1. Seek to the correct point
	if (!InternalSeek(absoluteTimestamp)) {
		FATAL("Unable to seek to %.02f", absoluteTimestamp);
		return false;
	}

	//2. If the stream is active, re-initiate the feed reaction
	if (_streamingState == FILE_STREAMING_STATE_FINISHED) {
		_streamingState = FILE_STREAMING_STATE_PLAYING;
		ReadyForSend();
	}

	//3. Done
	return true;
}
Пример #5
0
bool BaseInFileStream::SignalPlay(double &absoluteTimestamp, double &length) {
	//0. fix absoluteTimestamp and length
	absoluteTimestamp = absoluteTimestamp < 0 ? 0 : absoluteTimestamp;
	//TODO: implement the limit playback

	//1. Seek to the correct point
	if (!InternalSeek(absoluteTimestamp)) {
		FATAL("Unable to seek to %.02f", absoluteTimestamp);
		return false;
	}

	//2. Put the stream in active mode
	_paused = false;

	//3. Start the feed reaction
	ReadyForSend();

	//4. Done
	return true;
}
Пример #6
0
bool BaseInFileStream::SignalPlay(double &absoluteTimestamp, double &length) {

  INFO("signal play");
	//0. fix absoluteTimestamp and length
	absoluteTimestamp = absoluteTimestamp < 0 ? 0 : absoluteTimestamp;
	_playLimit = length;
	FINEST("absoluteTimestamp: %.2f; _playLimit: %.2f", absoluteTimestamp, _playLimit);
	//TODO: implement the limit playback

	//1. Seek to the correct point
	if (!InternalSeek(absoluteTimestamp)) {
		FATAL("Unable to seek to %.02f", absoluteTimestamp);
		return false;
	}

	//2. Put the stream in active mode
	_streamingState = FILE_STREAMING_STATE_PLAYING;

	//3. Start the feed reaction
	ReadyForSend();

	//4. Done
	return true;
}