//------------------------------------------------------------------------------
ByteBufferUPtr BinaryInputStream::Read(u64 length) noexcept
{
CS_ASSERT(IsValid(), "Trying to use an invalid FileStream.");
if(m_fileStream.eof())
{
return nullptr;
}
//Ensure that we never overrun the file stream
const auto currentPosition = GetReadPosition();
const auto maxValidLength = std::min(m_length - currentPosition, length);
if(maxValidLength == 0)
{
return nullptr;
}
s8* data = new s8[maxValidLength];
m_fileStream.read(data, maxValidLength);
CS_ASSERT(!m_fileStream.fail(), "Unexpected error occured in filestream");
std::unique_ptr<const u8[]> uniqueData(reinterpret_cast<const u8*>(data));
return ByteBufferUPtr(new ByteBuffer(std::move(uniqueData), u32(maxValidLength)));
}
uint64_t BDRingBuffer::Seek(uint64_t pos)
{
VERBOSE(VB_PLAYBACK|VB_EXTRA, LOC + QString("Seeking to %1.")
.arg(pos));
bd_seek_time(bdnav, pos);
return GetReadPosition();
}
//------------------------------------------------------------------------------
bool BinaryInputStream::Read(u8* buffer, u64 length) noexcept
{
CS_ASSERT(IsValid(), "Trying to use an invalid FileStream.");
if(m_fileStream.eof())
{
return false;
}
//Ensure that we never overrun the file stream
const auto currentPosition = GetReadPosition();
const auto maxValidLength = std::min(m_length - currentPosition, length);
if(maxValidLength == 0)
{
return true;
}
m_fileStream.read(reinterpret_cast<s8*>(buffer), maxValidLength);
CS_ASSERT(!m_fileStream.fail(), "Unexpected error occured in filestream");
return true;
}
