claunia/libcdio-osx
Archived
1
0
Fork 0
Code Issues 2 Pull Requests Actions Packages Projects Releases Wiki Activity

Add routine for reading data independent of or mode1 and mode2 format.

Browse Source 
Should help with ISO 9660 reading. Add generic MMC READ_CD routine.

Warning - even more breakage in some situations. (But there's promise
of an overall brighter future.)
This commit is contained in:
rocky
2005-02-17 04:57:21 +00:00
parent 9dead00107
commit 78a3f49868
18 changed files with 487 additions and 154 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
lib/driver/image_common.c
View File

@@ -1,5 +1,5 @@
/*
$Id: image_common.c,v 1.10 2005/02/11 01:34:12 rocky Exp $
$Id: image_common.c,v 1.11 2005/02/17 04:57:21 rocky Exp $
Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -246,6 +246,52 @@ get_track_preemphasis_image(const void *p_user_data, track_t i_track)
& PRE_EMPHASIS ) ? CDIO_TRACK_FLAG_TRUE : CDIO_TRACK_FLAG_FALSE;
}
/*!
Read a data sector
@param p_cdio object to read from
@param p_buf place to read data into. The caller should make sure
this location can store at least ISO_BLOCKSIZE, M2RAW_SECTOR_SIZE,
or M2F2_SECTOR_SIZE depending on the kind of sector getting read. If
you don't know whether you have a Mode 1/2, Form 1/ Form 2/Formless
sector best to reserve space for the maximum, M2RAW_SECTOR_SIZE.
@param i_lsn sector to read
@param i_blocksize size of block. Should be either ISO_BLOCKSIZE
M2RAW_SECTOR_SIZE, or M2F2_SECTOR_SIZE. See comment above under
p_buf.
*/
driver_return_code_t
read_data_sector_image ( void *p_user_data, void *p_buf,
lsn_t i_lsn, uint16_t i_blocksize )
{
const _img_private_t *p_env = p_user_data;
if (!p_env || !p_env->gen.cdio) return DRIVER_OP_UNINIT;
{
CdIo_t *p_cdio = p_env->gen.cdio;
track_t i_track = cdio_get_track(p_cdio, i_lsn);
track_format_t e_track_format = cdio_get_track_format(p_cdio, i_track);
switch(e_track_format) {
case TRACK_FORMAT_PSX:
case TRACK_FORMAT_AUDIO:
case TRACK_FORMAT_ERROR:
return DRIVER_OP_ERROR;
case TRACK_FORMAT_CDI:
case TRACK_FORMAT_DATA:
return cdio_read_mode1_sector (p_cdio, p_buf, i_lsn, false);
case TRACK_FORMAT_XA:
return cdio_read_mode2_sector (p_cdio, p_buf, i_lsn, false);
}
}
return DRIVER_OP_ERROR;
}
/*!
Set the arg "key" with "value" in the source device.
Currently "source" to set the source device in I/O operations