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media: add Dreamcast detection, add version/release date to disc info for saturn and dreamcast

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This commit is contained in:
Brad Parker 2019-07-15 12:24:31 -04:00
parent e843354b14
commit cfc56bbad3
2 changed files with 114 additions and 0 deletions
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78
libretro-common/media/media_detect_cd.c
View File

@ -24,6 +24,19 @@
#include <streams/file_stream.h>
#include <string/stdstring.h>
static void media_zero_trailing_spaces(char *buf, size_t len)
{
int i;
for (i = len - 1; i >= 0; i--)
{
if (buf[i] == ' ')
buf[i] = '\0';
else if (buf[i] != '\0')
break;
}
}
static bool media_skip_spaces(const char **buf, size_t len)
{
bool found = false;
@ -129,7 +142,10 @@ bool media_detect_cd_info(const char *path, media_detect_cd_info_t *info)
title_pos = buf + offset + 0x150;
if (media_skip_spaces(&title_pos, 48))
{
memcpy(info->title, title_pos, 48 - (title_pos - (buf + offset + 0x150)));
media_zero_trailing_spaces(info->title, sizeof(info->title));
}
else
strlcpy(info->title, "N/A", sizeof(info->title));
@ -144,6 +160,8 @@ bool media_detect_cd_info(const char *path, media_detect_cd_info_t *info)
{
const char *title_pos;
const char *serial_pos;
const char *version_pos;
const char *release_date_pos;
bool title_found = false;
info->system_id = MEDIA_CD_SYSTEM_SATURN;
@ -153,7 +171,10 @@ bool media_detect_cd_info(const char *path, media_detect_cd_info_t *info)
title_pos = buf + offset + 0x60;
if (media_skip_spaces(&title_pos, 112))
{
memcpy(info->title, title_pos, 112 - (title_pos - (buf + offset + 0x60)));
media_zero_trailing_spaces(info->title, sizeof(info->title));
}
else
strlcpy(info->title, "N/A", sizeof(info->title));
@ -163,6 +184,63 @@ bool media_detect_cd_info(const char *path, media_detect_cd_info_t *info)
memcpy(info->serial, serial_pos, 10 - (serial_pos - (buf + offset + 0x20)));
else
strlcpy(info->serial, "N/A", sizeof(info->title));
version_pos = buf + offset + 0x2a;
if (media_skip_spaces(&version_pos, 6))
memcpy(info->version, version_pos, 6 - (version_pos - (buf + offset + 0x2a)));
else
strlcpy(info->version, "N/A", sizeof(info->title));
release_date_pos = buf + offset + 0x30;
if (media_skip_spaces(&release_date_pos, 8))
memcpy(info->release_date, release_date_pos, 8 - (release_date_pos - (buf + offset + 0x30)));
else
strlcpy(info->release_date, "N/A", sizeof(info->title));
}
else if (!memcmp(buf + offset, "SEGA SEGAKATANA", strlen("SEGA SEGAKATANA")))
{
const char *title_pos;
const char *serial_pos;
const char *version_pos;
const char *release_date_pos;
bool title_found = false;
info->system_id = MEDIA_CD_SYSTEM_DREAMCAST;
strlcpy(info->system, "Sega Dreamcast", sizeof(info->system));
title_pos = buf + offset + 0x80;
if (media_skip_spaces(&title_pos, 96))
{
memcpy(info->title, title_pos, 96 - (title_pos - (buf + offset + 0x80)));
media_zero_trailing_spaces(info->title, sizeof(info->title));
}
else
strlcpy(info->title, "N/A", sizeof(info->title));
serial_pos = buf + offset + 0x40;
if (media_skip_spaces(&serial_pos, 10))
memcpy(info->serial, serial_pos, 10 - (serial_pos - (buf + offset + 0x40)));
else
strlcpy(info->serial, "N/A", sizeof(info->title));
version_pos = buf + offset + 0x4a;
if (media_skip_spaces(&version_pos, 6))
memcpy(info->version, version_pos, 6 - (version_pos - (buf + offset + 0x4a)));
else
strlcpy(info->version, "N/A", sizeof(info->title));
release_date_pos = buf + offset + 0x50;
if (media_skip_spaces(&release_date_pos, 8))
memcpy(info->release_date, release_date_pos, 8 - (release_date_pos - (buf + offset + 0x50)));
else
strlcpy(info->release_date, "N/A", sizeof(info->title));
}
/* Primary Volume Descriptor fields of ISO9660 */
else if (!memcmp(buf + offset + (16 * sector_size), "\1CD001\1\0PLAYSTATION", 19))

36
menu/menu_displaylist.c
View File

@ -5037,6 +5037,42 @@ bool menu_displaylist_ctl(enum menu_displaylist_ctl_state type,
FILE_TYPE_NONE, 0, 0);
}
if (!string_is_empty(cd_info.version))
{
char version[256];
count++;
version[0] = '\0';
strlcpy(version, "Version: ", sizeof(version));
strlcat(version, cd_info.version, sizeof(version));
menu_entries_append_enum(info->list,
version,
"",
MSG_UNKNOWN,
FILE_TYPE_NONE, 0, 0);
}
if (!string_is_empty(cd_info.release_date))
{
char release_date[256];
count++;
release_date[0] = '\0';
strlcpy(release_date, "Release Date: ", sizeof(release_date));
strlcat(release_date, cd_info.release_date, sizeof(release_date));
menu_entries_append_enum(info->list,
release_date,
"",
MSG_UNKNOWN,
FILE_TYPE_NONE, 0, 0);
}
{
char atip_string[32] = {"Genuine Disc: "};