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cdrom: Bunch of fixes

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This commit is contained in:
Olivier Galibert 2023-05-05 15:51:13 +02:00
parent 9287a147fd
commit 232c846392
2 changed files with 29 additions and 5 deletions
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33
src/devices/imagedev/cdromimg.cpp
View File

@ -129,12 +129,33 @@ std::pair<std::error_condition, std::string> cdrom_image_device::call_load()
// open the CHD file
if (chd)
{
if (chd->is_cd())
m_cdrom_handle.reset(new cdrom_file(chd));
else if(m_dvd_compat && chd->is_dvd())
m_dvdrom_handle.reset(new dvdrom_file(chd));
else
{
err = image_error::UNSUPPORTED;
goto error;
}
m_cdrom_handle.reset(new cdrom_file(chd));
}
else
m_cdrom_handle.reset(new cdrom_file(filename()));
if (!m_cdrom_handle)
goto error;
{
try {
auto *cdrom = new cdrom_file(filename());
m_cdrom_handle.reset(cdrom);
} catch(void *) {
try {
auto *dvdrom = new dvdrom_file(filename());
m_dvdrom_handle.reset(dvdrom);
} catch(void *) {
err = image_error::UNSUPPORTED;
goto error;
}
}
}
return std::make_pair(std::error_condition(), std::string());
@ -178,6 +199,8 @@ bool cdrom_image_device::read_data(uint32_t lbasector, void *buffer, uint32_t da
{
if (m_cdrom_handle)
return m_cdrom_handle->read_data(lbasector, buffer, datatype, phys);
if (m_dvdrom_handle)
return !m_dvdrom_handle->read_data(lbasector, buffer);
return 0;
}
@ -217,7 +240,7 @@ bool cdrom_image_device::is_cd() const
bool cdrom_image_device::is_gd() const
{
return false;
return m_cdrom_handle && m_cdrom_handle->is_gdrom();
}
bool cdrom_image_device::is_dvd() const

1
src/lib/util/cdrom.h
View File

@ -151,6 +151,7 @@ public:
static const char *get_subtype_string(uint32_t subtype);
static std::error_condition parse_metadata(chd_file *chd, toc &toc);
static std::error_condition write_metadata(chd_file *chd, const toc &toc);
bool is_gdrom() const { return cdtoc.flags & (CD_FLAG_GDROM|CD_FLAG_GDROMLE); }
// ECC utilities
static bool ecc_verify(const uint8_t *sector);