19 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
21 |
* |
* |
22 |
* $Id: bitstream.h,v 1.25 2010-12-18 16:02:00 Isibaar Exp $ |
* $Id$ |
23 |
* |
* |
24 |
****************************************************************************/ |
****************************************************************************/ |
25 |
|
|
171 |
the end of the buffer. Padding might be appropriate. If only chunks |
the end of the buffer. Padding might be appropriate. If only chunks |
172 |
of 4bytes are applicable, define XVID_SAFE_BS_TAIL. Note that this will |
of 4bytes are applicable, define XVID_SAFE_BS_TAIL. Note that this will |
173 |
slow decoding, so consider this as a last-resort solution */ |
slow decoding, so consider this as a last-resort solution */ |
174 |
/* #define XVID_SAFE_BS_TAIL */ |
#ifndef XVID_HAVE_PADDED_BS_BUFFER |
175 |
|
#define XVID_SAFE_BS_TAIL |
176 |
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#endif |
177 |
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|
178 |
/* initialise bitstream structure */ |
/* initialise bitstream structure */ |
179 |
|
|
206 |
#endif |
#endif |
207 |
bs->bufb = tmp; |
bs->bufb = tmp; |
208 |
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|
209 |
bs->pos = bs->initpos = bitpos*8; |
bs->pos = bs->initpos = (uint32_t) bitpos*8; |
210 |
/* preserve the intervening bytes */ |
/* preserve the intervening bytes */ |
211 |
if (bs->initpos > 0) |
if (bs->initpos > 0) |
212 |
bs->buf = bs->bufa & (0xffffffff << (32 - bs->initpos)); |
bs->buf = bs->bufa & (0xffffffff << (32 - bs->initpos)); |