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DolphinWX: decompress discs to calculate MD5 hash

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This commit is contained in:
Tillmann Karras 2015-09-16 21:06:54 +02:00
parent efe71e686b
commit 00aefa5e08
2 changed files with 12 additions and 14 deletions
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10
Source/Core/DiscIO/Blob.cpp
View File

@ -77,23 +77,19 @@ bool SectorReader::Read(u64 offset, u64 size, u8* out_ptr)
continue;
}
u32 toCopy = m_blocksize - positionInBlock;
if (toCopy >= remain)
{
const u8* data = GetBlockData(block);
if (!data)
return false;
u32 toCopy = m_blocksize - positionInBlock;
if (toCopy >= remain)
{
// Yay, we are done!
memcpy(out_ptr, data + positionInBlock, (size_t)remain);
return true;
}
else
{
const u8* data = GetBlockData(block);
if (!data)
return false;
memcpy(out_ptr, data + positionInBlock, toCopy);
out_ptr += toCopy;
remain -= toCopy;

14
Source/Core/DolphinWX/ISOProperties.cpp
View File

@ -57,6 +57,7 @@
#include "Core/GeckoCodeConfig.h"
#include "Core/PatchEngine.h"
#include "Core/Boot/Boot.h"
#include "DiscIO/Blob.h"
#include "DiscIO/Filesystem.h"
#include "DiscIO/Volume.h"
#include "DiscIO/VolumeCreator.h"
@ -1237,8 +1238,8 @@ void CISOProperties::OnComputeMD5Sum(wxCommandEvent& WXUNUSED (event))
u64 read_offset = 0;
mbedtls_md5_context ctx;
File::IOFile file(OpenGameListItem.GetFileName(), "rb");
u64 game_size = file.GetSize();
std::unique_ptr<DiscIO::IBlobReader> file(DiscIO::CreateBlobReader(OpenGameListItem.GetFileName()));
u64 game_size = file->GetDataSize();
wxProgressDialog progressDialog(
_("Computing MD5 checksum"),
@ -1254,13 +1255,14 @@ void CISOProperties::OnComputeMD5Sum(wxCommandEvent& WXUNUSED (event))
while(read_offset < game_size)
{
if (!progressDialog.Update((int)((double)read_offset / (double)game_size * 1000), _("Computing MD5 checksum")))
if (!progressDialog.Update((int)((double)read_offset / (double)game_size * 1000)))
return;
size_t read_size;
file.ReadArray(&data[0], data.size(), &read_size);
mbedtls_md5_update(&ctx, &data[0], read_size);
size_t read_size = std::min((u64)data.size(), game_size - read_offset);
if (!file->Read(read_offset, read_size, data.data()))
return;
mbedtls_md5_update(&ctx, data.data(), read_size);
read_offset += read_size;
}