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RVZ: Extend GroupEntry

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This commit is contained in:
JosJuice
2020-05-17 15:50:41 +02:00
parent f2c38c0e67
commit 224c6e799d
5 changed files with 191 additions and 59 deletions
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25
Source/Core/DiscIO/WIACompression.cpp
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@ -292,10 +292,18 @@ bool ZstdDecompressor::Decompress(const DecompressionBuffer& in, DecompressionBu
}
RVZPackDecompressor::RVZPackDecompressor(std::unique_ptr<Decompressor> decompressor,
DecompressionBuffer decompressed, u64 data_offset)
DecompressionBuffer decompressed, u64 data_offset,
u32 rvz_packed_size)
: m_decompressor(std::move(decompressor)), m_decompressed(std::move(decompressed)),
m_data_offset(data_offset)
m_data_offset(data_offset), m_rvz_packed_size(rvz_packed_size)
{
m_bytes_read = m_decompressed.bytes_written;
}
bool RVZPackDecompressor::IncrementBytesRead(size_t x)
{
m_bytes_read += x;
return m_bytes_read <= m_rvz_packed_size;
}
std::optional<bool> RVZPackDecompressor::ReadToDecompressed(const DecompressionBuffer& in,
@ -308,9 +316,14 @@ std::optional<bool> RVZPackDecompressor::ReadToDecompressed(const DecompressionB
if (m_decompressed.bytes_written < decompressed_bytes_read + bytes_to_read)
{
const size_t prev_bytes_written = m_decompressed.bytes_written;
if (!m_decompressor->Decompress(in, &m_decompressed, in_bytes_read))
return false;
if (!IncrementBytesRead(m_decompressed.bytes_written - prev_bytes_written))
return false;
if (m_decompressed.bytes_written < decompressed_bytes_read + bytes_to_read)
return true;
}
@ -395,6 +408,10 @@ bool RVZPackDecompressor::Decompress(const DecompressionBuffer& in, Decompressio
out->data.resize(old_out_size);
bytes_to_write = out->bytes_written - prev_out_bytes_written;
if (!IncrementBytesRead(bytes_to_write))
return false;
if (bytes_to_write == 0)
return true;
}
@ -417,8 +434,8 @@ bool RVZPackDecompressor::Decompress(const DecompressionBuffer& in, Decompressio
bool RVZPackDecompressor::Done() const
{
return m_size == 0 && m_decompressed.bytes_written == m_decompressed_bytes_read &&
m_decompressor->Done();
return m_size == 0 && m_rvz_packed_size == m_bytes_read &&
m_decompressed.bytes_written == m_decompressed_bytes_read && m_decompressor->Done();
}
Compressor::~Compressor() = default;