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Diffstat (limited to 'src/input/vcd/libvcd/sector.c')
-rw-r--r--src/input/vcd/libvcd/sector.c268
1 files changed, 0 insertions, 268 deletions
diff --git a/src/input/vcd/libvcd/sector.c b/src/input/vcd/libvcd/sector.c
deleted file mode 100644
index d072a4f17..000000000
--- a/src/input/vcd/libvcd/sector.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- $Id: sector.c,v 1.2 2004/04/11 12:20:32 miguelfreitas Exp $
-
- Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
- (C) 1998 Heiko Eissfeldt <heiko@colossus.escape.de>
- portions used & Chris Smith
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <string.h>
-
-#include <cdio/cdio.h>
-
-#include <libvcd/types.h>
-
-#include <libvcd/sector.h>
-
-/* Private includes */
-#include "vcd_assert.h"
-#include "bytesex.h"
-#include "salloc.h"
-#include "sector_private.h"
-
-static const char _rcsid[] = "$Id: sector.c,v 1.2 2004/04/11 12:20:32 miguelfreitas Exp $";
-
-static const uint8_t sync_pattern[12] = {
- 0x00, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0x00
-};
-
-static void
-build_address (void *buf, sectortype_t sectortype, uint32_t address)
-{
- raw_cd_sector_t *sector = buf;
-
- vcd_assert (sizeof(raw_cd_sector_t) == CDIO_CD_FRAMESIZE_RAW-DATA_LEN);
-
- cdio_lba_to_msf(address, &(sector->msf));
-
- switch(sectortype) {
- case MODE_0:
- sector->mode = 0;
- break;
- case MODE_2:
- case MODE_2_FORM_1:
- case MODE_2_FORM_2:
- sector->mode = 2;
- break;
- default:
- vcd_assert_not_reached ();
- break;
- }
-}
-
-/* From cdrtools-1.11a25 */
-static uint32_t
-build_edc(const uint8_t inout[], int from, int upto)
-{
- const uint8_t *p = inout+from;
- uint32_t result = 0;
-
- upto -= from-1;
- upto /= 4;
- while (--upto >= 0) {
- result = EDC_crctable[(result ^ *p++) & 0xffL] ^ (result >> 8);
- result = EDC_crctable[(result ^ *p++) & 0xffL] ^ (result >> 8);
- result = EDC_crctable[(result ^ *p++) & 0xffL] ^ (result >> 8);
- result = EDC_crctable[(result ^ *p++) & 0xffL] ^ (result >> 8);
- }
- return (result);
-}
-
-/* From cdrtools-1.11a40 */
-static void
-encode_L2_Q(uint8_t inout[4 + L2_RAW + 4 + 8 + L2_P + L2_Q])
-{
- uint8_t *dps;
- uint8_t *dp;
- uint8_t *Q;
- int i, j;
-
- Q = inout + 4 + L2_RAW + 4 + 8 + L2_P;
-
- dps = inout;
- for (j = 0; j < 26; j++) {
- uint16_t a, b;
-
- a = b = 0;
- dp = dps;
- for (i = 0; i < 43; i++) {
-
- /* LSB */
- a ^= L2sq[i][*dp++];
-
- /* MSB */
- b ^= L2sq[i][*dp];
-
- dp += 2*44-1;
- if (dp >= &inout[(4 + L2_RAW + 4 + 8 + L2_P)]) {
- dp -= (4 + L2_RAW + 4 + 8 + L2_P);
- }
- }
- Q[0] = a >> 8;
- Q[26*2] = a;
- Q[1] = b >> 8;
- Q[26*2+1] = b;
-
- Q += 2;
- dps += 2*43;
- }
-}
-
-static void
-encode_L2_P (uint8_t inout[4 + L2_RAW + 4 + 8 + L2_P])
-{
- uint8_t *dp;
- unsigned char *P;
- int i, j;
-
- P = inout + 4 + L2_RAW + 4 + 8;
-
- for (j = 0; j < 43; j++) {
- uint16_t a;
- uint16_t b;
-
- a = b = 0;
- dp = inout;
- for (i = 19; i < 43; i++) {
-
- /* LSB */
- a ^= L2sq[i][*dp++];
-
- /* MSB */
- b ^= L2sq[i][*dp];
-
- dp += 2*43 -1;
- }
- P[0] = a >> 8;
- P[43*2] = a;
- P[1] = b >> 8;
- P[43*2+1] = b;
-
- P += 2;
- inout += 2;
- }
-}
-
-/* Layer 2 Product code en/decoder */
-static void
-do_encode_L2 (void *buf, sectortype_t sectortype, uint32_t address)
-{
- raw_cd_sector_t *raw_sector = buf;
-
- vcd_assert (buf != NULL);
-
- vcd_assert (sizeof (sync_pattern) == SYNC_LEN);
- vcd_assert (sizeof (mode2_form1_sector_t) == CDIO_CD_FRAMESIZE_RAW);
- vcd_assert (sizeof (mode2_form2_sector_t) == CDIO_CD_FRAMESIZE_RAW);
- vcd_assert (sizeof (mode0_sector_t) == CDIO_CD_FRAMESIZE_RAW);
- vcd_assert (sizeof (raw_cd_sector_t) == SYNC_LEN+HEADER_LEN);
-
- memset (raw_sector, 0, SYNC_LEN+HEADER_LEN);
- memcpy (raw_sector->sync, sync_pattern, sizeof (sync_pattern));
-
- switch (sectortype) {
- case MODE_0:
- {
- mode0_sector_t *sector = buf;
-
- memset(sector->data, 0, sizeof(sector->data));
- }
- break;
- case MODE_2:
- break;
- case MODE_2_FORM_1:
- {
- mode2_form1_sector_t *sector = buf;
-
- sector->edc = uint32_to_le(build_edc(buf, 16, 16+8+2048-1));
-
- encode_L2_P((uint8_t*)buf+SYNC_LEN);
- encode_L2_Q((uint8_t*)buf+SYNC_LEN);
- }
- break;
- case MODE_2_FORM_2:
- {
- mode2_form2_sector_t *sector = buf;
-
- sector->edc = uint32_to_le(build_edc(buf, 16, 16+8+2324-1));
- }
- break;
- default:
- vcd_assert_not_reached ();
- }
-
- build_address (buf, sectortype, address);
-}
-
-void
-_vcd_make_mode2 (void *raw_sector, const void *data, uint32_t extent,
- uint8_t fnum, uint8_t cnum, uint8_t sm, uint8_t ci)
-{
- uint8_t *subhdr = (uint8_t*)raw_sector+16;
-
- vcd_assert (raw_sector != NULL);
- vcd_assert (data != NULL);
- vcd_assert (extent != SECTOR_NIL);
-
- memset (raw_sector, 0, CDIO_CD_FRAMESIZE_RAW);
-
- subhdr[0] = subhdr[4] = fnum;
- subhdr[1] = subhdr[5] = cnum;
- subhdr[2] = subhdr[6] = sm;
- subhdr[3] = subhdr[7] = ci;
-
- if (sm & SM_FORM2)
- {
- memcpy ((char*)raw_sector+CDIO_CD_XA_SYNC_HEADER, data,
- M2F2_SECTOR_SIZE);
- do_encode_L2 (raw_sector, MODE_2_FORM_2, extent+CDIO_PREGAP_SECTORS);
- }
- else
- {
- memcpy ((char*)raw_sector+CDIO_CD_XA_SYNC_HEADER, data,
- CDIO_CD_FRAMESIZE);
- do_encode_L2 (raw_sector, MODE_2_FORM_1, extent+CDIO_PREGAP_SECTORS);
- }
-}
-
-void
-_vcd_make_raw_mode2 (void *raw_sector, const void *data, uint32_t extent)
-{
- vcd_assert (raw_sector != NULL);
- vcd_assert (data != NULL);
- vcd_assert (extent != SECTOR_NIL);
-
- memset (raw_sector, 0, CDIO_CD_FRAMESIZE_RAW);
-
- memcpy ((char*)raw_sector+12+4, data, M2RAW_SECTOR_SIZE);
- do_encode_L2 (raw_sector, MODE_2, extent+CDIO_PREGAP_SECTORS);
-}
-
-
-/*
- * Local variables:
- * c-file-style: "gnu"
- * tab-width: 8
- * indent-tabs-mode: nil
- * End:
- */
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