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CDImageCHD: Show precaching in MB
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Stenzek 2024-11-04 12:34:24 +10:00
parent be271e3bfb
commit bb740499a5
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2 changed files with 10 additions and 8 deletions
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13
dep/libchdr/src/libchdr_chd.c
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@ -89,6 +89,11 @@
#define CHD_V1_SECTOR_SIZE 512 /* size of a "sector" in the V1 header */
#define CHD_MAX_HUNK_SIZE (128 * 1024 * 1024) /* hunk size probably shouldn't be more than 128MB */
/* we're currently only using this for CD/DVDs, if we end up with more than 10GB data, it's probably invalid */
#define CHD_MAX_FILE_SIZE (10ULL * 1024 * 1024 * 1024)
#define COOKIE_VALUE 0xbaadf00d
#define MAX_ZLIB_ALLOCS 64
@ -2587,12 +2592,8 @@ static chd_error header_validate(const chd_header *header)
return CHDERR_INVALID_PARAMETER;
}
/* some basic size checks to prevent huge mallocs: hunk size probably shouldn't be more than 128MB */
if (header->hunkbytes >= (128 * 1024 * 1024))
return CHDERR_INVALID_PARAMETER;
/* - we're currently only using this for CD/DVDs, if we end up with more than 10GB data, it's probably invalid */
if (((uint64_t)header->hunkbytes * (uint64_t)header->totalhunks) >= (10ULL * 1024 * 1024 * 1024))
/* some basic size checks to prevent huge mallocs */
if (header->hunkbytes >= CHD_MAX_HUNK_SIZE || ((uint64_t)header->hunkbytes * (uint64_t)header->totalhunks) >= CHD_MAX_FILE_SIZE)
return CHDERR_INVALID_PARAMETER;
return CHDERR_NONE;

5
src/util/cd_image_chd.cpp
View File

@ -453,8 +453,9 @@ CDImage::PrecacheResult CDImageCHD::Precache(ProgressCallback* progress)
progress->SetProgressRange(100);
auto callback = [](size_t pos, size_t total, void* param) {
const u32 percent = static_cast<u32>((pos * 100) / total);
static_cast<ProgressCallback*>(param)->SetProgressValue(std::min<u32>(percent, 100));
constexpr size_t one_mb = 1048576;
static_cast<ProgressCallback*>(param)->SetProgressRange(static_cast<u32>((total + (one_mb - 1)) / one_mb));
static_cast<ProgressCallback*>(param)->SetProgressValue(static_cast<u32>((pos + (one_mb - 1)) / one_mb));
};
if (chd_precache_progress(m_chd, callback, progress) != CHDERR_NONE)