Exemplos de IOBuffer::MoveData em C++ (Cpp)

Exemplo n.º 1

Arquivo: tsdocument.cpp Projeto: 9aa5/crtmpserver

bool TSDocument::ParseDocument() {
	if (!DetermineChunkSize()) {
		FATAL("Unable to determine chunk size");
		return false;
	}

	if (!_mediaFile.SeekTo(_chunkSizeDetectionCount)) {
		FATAL("Unable to seek at %"PRIu32, _chunkSizeDetectionCount);
		return false;
	}

	_pParser->SetChunkSize(_chunkSize);

	IOBuffer buffer;
	uint32_t defaultBlockSize = ((1024 * 1024 * 4) / _chunkSize) * _chunkSize;

	while (!_chunkSizeErrors) {
		uint32_t available = (uint32_t) (_mediaFile.Size() - _mediaFile.Cursor());
		if (available < _chunkSize) {
			break;
		}
		if (GETAVAILABLEBYTESCOUNT(buffer) != 0) {
			WARN("Leftovers detected");
			break;
		}
		uint32_t blockSize = defaultBlockSize < available ? defaultBlockSize : available;
		buffer.MoveData();
		if (!buffer.ReadFromFs(_mediaFile, blockSize)) {
			WARN("Unable to read %"PRIu32" bytes from file", blockSize);
			break;
		}
		if (!_pParser->ProcessBuffer(buffer, false)) {
			WARN("Unable to process block of data");
			break;
		}
	}
	return true;
}