20 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
21 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
22 |
* |
* |
23 |
* $Id: bitstream.c,v 1.39.2.11 2003-06-09 13:51:34 edgomez Exp $ |
* $Id: bitstream.c,v 1.39.2.14 2003-06-29 16:17:51 chl Exp $ |
24 |
* |
* |
25 |
****************************************************************************/ |
****************************************************************************/ |
26 |
|
|
36 |
static uint32_t __inline |
static uint32_t __inline |
37 |
log2bin(uint32_t value) |
log2bin(uint32_t value) |
38 |
{ |
{ |
|
/* Changed by Chenm001 */ |
|
|
#if !defined(_MSC_VER) |
|
39 |
int n = 0; |
int n = 0; |
40 |
|
|
41 |
while (value) { |
while (value) { |
43 |
n++; |
n++; |
44 |
} |
} |
45 |
return n; |
return n; |
|
#else |
|
|
__asm { |
|
|
bsr eax, value |
|
|
inc eax |
|
|
} |
|
|
#endif |
|
46 |
} |
} |
47 |
|
|
48 |
|
|
1014 |
|
|
1015 |
DPRINTF(XVID_DEBUG_STARTCODE, "<user_data>: %s\n", tmp); |
DPRINTF(XVID_DEBUG_STARTCODE, "<user_data>: %s\n", tmp); |
1016 |
|
|
1017 |
|
/* read xvid bitstream version */ |
1018 |
|
if(strncmp(tmp, "XviD", 4) == 0) { |
1019 |
|
sscanf(tmp, "XviD%d", &dec->bs_version); |
1020 |
|
DPRINTF(XVID_DEBUG_HEADER, "xvid bitstream version=%i", dec->bs_version); |
1021 |
|
} |
1022 |
|
|
1023 |
/* divx detection */ |
/* divx detection */ |
1024 |
i = sscanf(tmp, "DivX%dBuild%d%c", &version, &build, &packed); |
i = sscanf(tmp, "DivX%dBuild%d%c", &version, &build, &packed); |
1025 |
if (i < 2) |
if (i < 2) |
1185 |
if (vol_ver_id != 1) |
if (vol_ver_id != 1) |
1186 |
{ if ((pParam->vol_flags & XVID_VOL_GMC)) |
{ if ((pParam->vol_flags & XVID_VOL_GMC)) |
1187 |
{ BitstreamPutBits(bs, 2, 2); /* sprite_enable=='GMC' */ |
{ BitstreamPutBits(bs, 2, 2); /* sprite_enable=='GMC' */ |
1188 |
BitstreamPutBits(bs, 2, 6); /* no_of_sprite_warping_points */ |
BitstreamPutBits(bs, 3, 6); /* no_of_sprite_warping_points */ |
1189 |
BitstreamPutBits(bs, 3, 2); /* sprite_warping_accuracy 0==1/2, 1=1/4, 2=1/8, 3=1/16 */ |
BitstreamPutBits(bs, 3, 2); /* sprite_warping_accuracy 0==1/2, 1=1/4, 2=1/8, 3=1/16 */ |
1190 |
BitstreamPutBit(bs, 0); /* sprite_brightness_change (not supported) */ |
BitstreamPutBit(bs, 0); /* sprite_brightness_change (not supported) */ |
1191 |
|
|
1322 |
if (frame->coding_type == S_VOP) { |
if (frame->coding_type == S_VOP) { |
1323 |
if (1) { /* no_of_sprite_warping_points>=1 (we use 2!) */ |
if (1) { /* no_of_sprite_warping_points>=1 (we use 2!) */ |
1324 |
int k; |
int k; |
1325 |
for (k=0;k<2;k++) |
for (k=0;k<3;k++) |
1326 |
{ |
{ |
1327 |
bs_put_spritetrajectory(bs, frame->warp.duv[k].x ); /* du[k] */ |
bs_put_spritetrajectory(bs, frame->warp.duv[k].x ); /* du[k] */ |
1328 |
WRITE_MARKER(); |
WRITE_MARKER(); |