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 1.57 2007-04-16 19:01:28 Skal Exp $ |
* $Id$ |
24 |
* |
* |
25 |
****************************************************************************/ |
****************************************************************************/ |
26 |
|
|
820 |
dec->time = (dec->last_time_base + time_incr)*dec->time_inc_resolution + time_increment; |
dec->time = (dec->last_time_base + time_incr)*dec->time_inc_resolution + time_increment; |
821 |
dec->time_bp = dec->time_pp - (int32_t)(dec->last_non_b_time - dec->time); |
dec->time_bp = dec->time_pp - (int32_t)(dec->last_non_b_time - dec->time); |
822 |
} |
} |
823 |
|
if (dec->time_pp <= 0) dec->time_pp = 1; |
824 |
DPRINTF(XVID_DEBUG_HEADER,"time_pp=%i\n", dec->time_pp); |
DPRINTF(XVID_DEBUG_HEADER,"time_pp=%i\n", dec->time_pp); |
825 |
DPRINTF(XVID_DEBUG_HEADER,"time_bp=%i\n", dec->time_bp); |
DPRINTF(XVID_DEBUG_HEADER,"time_bp=%i\n", dec->time_bp); |
826 |
|
|
1024 |
version, build, dec->packed_mode); |
version, build, dec->packed_mode); |
1025 |
} |
} |
1026 |
|
|
1027 |
|
if ((dec->bs_version == 0) && (build > 0) && |
1028 |
|
(build != 1393)) { /* non-xvid stream with xvid fourcc */ |
1029 |
|
dec->bs_version = 0xffff; |
1030 |
|
} |
1031 |
|
|
1032 |
} else /* start_code == ? */ |
} else /* start_code == ? */ |
1033 |
{ |
{ |
1034 |
if (BitstreamShowBits(bs, 24) == 0x000001) { |
if (BitstreamShowBits(bs, 24) == 0x000001) { |
1072 |
void |
void |
1073 |
BitstreamWriteVolHeader(Bitstream * const bs, |
BitstreamWriteVolHeader(Bitstream * const bs, |
1074 |
const MBParam * pParam, |
const MBParam * pParam, |
1075 |
const FRAMEINFO * const frame) |
const FRAMEINFO * const frame, |
1076 |
|
const int num_slices) |
1077 |
{ |
{ |
1078 |
static const unsigned int vo_id = 0; |
static const unsigned int vo_id = 0; |
1079 |
static const unsigned int vol_id = 0; |
static const unsigned int vol_id = 0; |
1238 |
} |
} |
1239 |
|
|
1240 |
BitstreamPutBit(bs, 1); /* complexity_estimation_disable */ |
BitstreamPutBit(bs, 1); /* complexity_estimation_disable */ |
1241 |
BitstreamPutBit(bs, 1); /* resync_marker_disable */ |
|
1242 |
|
if (num_slices > 1) |
1243 |
|
BitstreamPutBit(bs, 0); /* resync_marker_enabled */ |
1244 |
|
else |
1245 |
|
BitstreamPutBit(bs, 1); /* resync_marker_disabled */ |
1246 |
|
|
1247 |
BitstreamPutBit(bs, 0); /* data_partitioned */ |
BitstreamPutBit(bs, 0); /* data_partitioned */ |
1248 |
|
|
1249 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
1258 |
/* divx5 userdata string */ |
/* divx5 userdata string */ |
1259 |
#define DIVX5_ID ((char *)"DivX503b1393") |
#define DIVX5_ID ((char *)"DivX503b1393") |
1260 |
if ((pParam->global_flags & XVID_GLOBAL_DIVX5_USERDATA)) { |
if ((pParam->global_flags & XVID_GLOBAL_DIVX5_USERDATA)) { |
1261 |
BitstreamWriteUserData(bs, DIVX5_ID, strlen(DIVX5_ID)); |
BitstreamWriteUserData(bs, DIVX5_ID, (uint32_t)strlen(DIVX5_ID)); |
1262 |
if (pParam->max_bframes > 0 && (pParam->global_flags & XVID_GLOBAL_PACKED)) |
if (pParam->max_bframes > 0 && (pParam->global_flags & XVID_GLOBAL_PACKED)) |
1263 |
BitstreamPutBits(bs, 'p', 8); |
BitstreamPutBits(bs, 'p', 8); |
1264 |
} |
} |
1271 |
xvid_user_format, |
xvid_user_format, |
1272 |
XVID_BS_VERSION, |
XVID_BS_VERSION, |
1273 |
(frame->vop_flags & XVID_VOP_CARTOON)?'C':'\0'); |
(frame->vop_flags & XVID_VOP_CARTOON)?'C':'\0'); |
1274 |
BitstreamWriteUserData(bs, xvid_user_data, strlen(xvid_user_data)); |
BitstreamWriteUserData(bs, xvid_user_data, (uint32_t)strlen(xvid_user_data)); |
1275 |
} |
} |
1276 |
} |
} |
1277 |
|
|
1392 |
const char *data, |
const char *data, |
1393 |
const unsigned int length) |
const unsigned int length) |
1394 |
{ |
{ |
1395 |
int i; |
unsigned int i; |
1396 |
|
|
1397 |
BitstreamPad(bs); |
BitstreamPad(bs); |
1398 |
BitstreamPutBits(bs, USERDATA_START_CODE, 32); |
BitstreamPutBits(bs, USERDATA_START_CODE, 32); |
1452 |
|
|
1453 |
if (frame->coding_type == I_VOP) |
if (frame->coding_type == I_VOP) |
1454 |
nbitsresyncmarker = NUMBITS_VP_RESYNC_MARKER; /* 16 zeros followed by a 1. */ |
nbitsresyncmarker = NUMBITS_VP_RESYNC_MARKER; /* 16 zeros followed by a 1. */ |
1455 |
else if (frame->coding_type == P_VOP) |
else if (frame->coding_type == B_VOP) /* B_VOP */ |
1456 |
nbitsresyncmarker = NUMBITS_VP_RESYNC_MARKER-1 + frame->fcode; |
nbitsresyncmarker = MAX(NUMBITS_VP_RESYNC_MARKER+1, NUMBITS_VP_RESYNC_MARKER + MAX(frame->fcode, frame->bcode) - 1); |
1457 |
else /* B_VOP */ |
else /*(frame->coding_type == P_VOP)*/ |
1458 |
nbitsresyncmarker = MAX(NUMBITS_VP_RESYNC_MARKER+1, NUMBITS_VP_RESYNC_MARKER-1 + MAX(frame->fcode, frame->bcode)); |
nbitsresyncmarker = NUMBITS_VP_RESYNC_MARKER + frame->fcode - 1; |
1459 |
|
|
|
BitstreamPadAlways(bs); |
|
1460 |
BitstreamPutBits(bs, RESYNC_MARKER, nbitsresyncmarker); |
BitstreamPutBits(bs, RESYNC_MARKER, nbitsresyncmarker); |
1461 |
BitstreamPutBits(bs, mbnum, mbnum_bits); |
BitstreamPutBits(bs, mbnum, mbnum_bits); |
1462 |
BitstreamPutBits(bs, frame->quant, 5); |
BitstreamPutBits(bs, frame->quant, 5); |