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(libchdr) Backport baka0815 commits

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This commit is contained in:
twinaphex 2020-07-01 19:50:46 +02:00
parent 6bdc9795e7
commit 96dd505a0f
2 changed files with 21 additions and 20 deletions
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11
libretro-common/formats/libchdr/libchdr_chd.c
View File

@ -65,8 +65,6 @@
#define TRUE 1
#define FALSE 0
#define CHD_MAKE_TAG(a,b,c,d) (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
/***************************************************************************
DEBUGGING
***************************************************************************/
@ -264,14 +262,6 @@ static chd_error metadata_find_entry(chd_file *chd, UINT32 metatag, UINT32 metai
CODEC INTERFACES
***************************************************************************/
#define CHD_MAKE_TAG(a,b,c,d) (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
#define CHD_CODEC_ZLIB CHD_MAKE_TAG('z','l','i','b')
/* general codecs with CD frontend */
#define CHD_CODEC_CD_ZLIB CHD_MAKE_TAG('c','d','z','l')
#define CHD_CODEC_CD_LZMA CHD_MAKE_TAG('c','d','l','z')
#define CHD_CODEC_CD_FLAC CHD_MAKE_TAG('c','d','f','l')
static const codec_interface codec_interfaces[] =
{
/* "none" or no compression */
@ -1388,6 +1378,7 @@ static UINT32 header_guess_unitbytes(chd_file *chd)
if (chd_get_metadata(chd, CDROM_OLD_METADATA_TAG, 0, metadata, sizeof(metadata), NULL, NULL, NULL) == CHDERR_NONE ||
chd_get_metadata(chd, CDROM_TRACK_METADATA_TAG, 0, metadata, sizeof(metadata), NULL, NULL, NULL) == CHDERR_NONE ||
chd_get_metadata(chd, CDROM_TRACK_METADATA2_TAG, 0, metadata, sizeof(metadata), NULL, NULL, NULL) == CHDERR_NONE ||
chd_get_metadata(chd, GDROM_OLD_METADATA_TAG, 0, metadata, sizeof(metadata), NULL, NULL, NULL) == CHDERR_NONE ||
chd_get_metadata(chd, GDROM_TRACK_METADATA_TAG, 0, metadata, sizeof(metadata), NULL, NULL, NULL) == CHDERR_NONE)
return CD_FRAME_SIZE;

30
libretro-common/include/libchdr/chd.h
View File

@ -193,12 +193,21 @@ extern "C" {
#define CHDFLAGS_IS_WRITEABLE 0x00000002
#define CHDFLAGS_UNDEFINED 0xfffffffc
#define CHD_MAKE_TAG(a,b,c,d) (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
/* compression types */
#define CHDCOMPRESSION_NONE 0
#define CHDCOMPRESSION_ZLIB 1
#define CHDCOMPRESSION_ZLIB_PLUS 2
#define CHDCOMPRESSION_AV 3
#define CHD_CODEC_ZLIB CHD_MAKE_TAG('z','l','i','b')
/* general codecs with CD frontend */
#define CHD_CODEC_CD_ZLIB CHD_MAKE_TAG('c','d','z','l')
#define CHD_CODEC_CD_LZMA CHD_MAKE_TAG('c','d','l','z')
#define CHD_CODEC_CD_FLAC CHD_MAKE_TAG('c','d','f','l')
/* A/V codec configuration parameters */
#define AV_CODEC_COMPRESS_CONFIG 1
#define AV_CODEC_DECOMPRESS_CONFIG 2
@ -211,33 +220,34 @@ extern "C" {
#define CHD_MDFLAGS_CHECKSUM 0x01 /* indicates data is checksummed */
/* standard hard disk metadata */
#define HARD_DISK_METADATA_TAG 0x47444444 /* 'GDDD' */
#define HARD_DISK_METADATA_TAG CHD_MAKE_TAG('G','D','D','D')
#define HARD_DISK_METADATA_FORMAT "CYLS:%u,HEADS:%u,SECS:%u,BPS:%u"
/* hard disk identify information */
#define HARD_DISK_IDENT_METADATA_TAG 0x49444e54 /* 'IDNT' */
#define HARD_DISK_IDENT_METADATA_TAG CHD_MAKE_TAG('I','D','N','T')
/* hard disk key information */
#define HARD_DISK_KEY_METADATA_TAG 0x4b455920 /* 'KEY ' */
#define HARD_DISK_KEY_METADATA_TAG CHD_MAKE_TAG('K','E','Y',' ')
/* pcmcia CIS information */
#define PCMCIA_CIS_METADATA_TAG 0x43495320 /* 'CIS ' */
#define PCMCIA_CIS_METADATA_TAG CHD_MAKE_TAG('C','I','S',' ')
/* standard CD-ROM metadata */
#define CDROM_OLD_METADATA_TAG 0x43484344 /* 'CHCD' */
#define CDROM_TRACK_METADATA_TAG 0x43485452 /* 'CHTR' */
#define CDROM_OLD_METADATA_TAG CHD_MAKE_TAG('C','H','C','D')
#define CDROM_TRACK_METADATA_TAG CHD_MAKE_TAG('C','H','T','R')
#define CDROM_TRACK_METADATA_FORMAT "TRACK:%u TYPE:%s SUBTYPE:%s FRAMES:%u"
#define CDROM_TRACK_METADATA2_TAG 0x43485432 /* 'CHT2' */
#define CDROM_TRACK_METADATA2_TAG CHD_MAKE_TAG('C','H','T','2')
#define CDROM_TRACK_METADATA2_FORMAT "TRACK:%u TYPE:%s SUBTYPE:%s FRAMES:%u PREGAP:%u PGTYPE:%s PGSUB:%s POSTGAP:%u"
#define GDROM_TRACK_METADATA_TAG 0x43484744 /* 'CHTD' */
#define GDROM_OLD_METADATA_TAG CHD_MAKE_TAG('C','H','G','T')
#define GDROM_TRACK_METADATA_TAG CHD_MAKE_TAG('C', 'H', 'G', 'D')
#define GDROM_TRACK_METADATA_FORMAT "TRACK:%u TYPE:%s SUBTYPE:%s FRAMES:%u PAD:%u PREGAP:%u PGTYPE:%s PGSUB:%s POSTGAP:%u"
/* standard A/V metadata */
#define AV_METADATA_TAG 0x41564156 /* 'AVAV' */
#define AV_METADATA_TAG CHD_MAKE_TAG('A','V','A','V')
#define AV_METADATA_FORMAT "FPS:%d.%06d WIDTH:%d HEIGHT:%d INTERLACED:%d CHANNELS:%d SAMPLERATE:%d"
/* A/V laserdisc frame metadata */
#define AV_LD_METADATA_TAG 0x41564C44 /* 'AVLD' */
#define AV_LD_METADATA_TAG CHD_MAKE_TAG('A','V','L','D')
/* CHD open values */
#define CHD_OPEN_READ 1