65 |
}; |
}; |
66 |
|
|
67 |
|
|
68 |
void |
static void |
69 |
bs_get_matrix(Bitstream * bs, |
bs_get_matrix(Bitstream * bs, |
70 |
uint8_t * matrix) |
uint8_t * matrix) |
71 |
{ |
{ |
423 |
DPRINTF(XVID_DEBUG_STARTCODE, "</visual_object_sequence>\n"); |
DPRINTF(XVID_DEBUG_STARTCODE, "</visual_object_sequence>\n"); |
424 |
|
|
425 |
} else if (start_code == VISOBJ_START_CODE) { |
} else if (start_code == VISOBJ_START_CODE) { |
|
int visobj_ver_id; |
|
426 |
|
|
427 |
DPRINTF(XVID_DEBUG_STARTCODE, "<visual_object>\n"); |
DPRINTF(XVID_DEBUG_STARTCODE, "<visual_object>\n"); |
428 |
|
|
429 |
BitstreamSkip(bs, 32); /* visual_object_start_code */ |
BitstreamSkip(bs, 32); /* visual_object_start_code */ |
430 |
if (BitstreamGetBit(bs)) /* is_visual_object_identified */ |
if (BitstreamGetBit(bs)) /* is_visual_object_identified */ |
431 |
{ |
{ |
432 |
visobj_ver_id = BitstreamGetBits(bs, 4); /* visual_object_ver_id */ |
dec->ver_id = BitstreamGetBits(bs, 4); /* visual_object_ver_id */ |
433 |
DPRINTF(XVID_DEBUG_HEADER,"visobj_ver_id %i\n", visobj_ver_id); |
DPRINTF(XVID_DEBUG_HEADER,"visobj_ver_id %i\n", dec->ver_id); |
434 |
BitstreamSkip(bs, 3); /* visual_object_priority */ |
BitstreamSkip(bs, 3); /* visual_object_priority */ |
435 |
} else { |
} else { |
436 |
visobj_ver_id = 1; |
dec->ver_id = 1; |
437 |
} |
} |
438 |
|
|
439 |
if (BitstreamShowBits(bs, 4) != VISOBJ_TYPE_VIDEO) /* visual_object_type */ |
if (BitstreamShowBits(bs, 4) != VISOBJ_TYPE_VIDEO) /* visual_object_type */ |
482 |
DPRINTF(XVID_DEBUG_HEADER,"ver_id %i\n", vol_ver_id); |
DPRINTF(XVID_DEBUG_HEADER,"ver_id %i\n", vol_ver_id); |
483 |
BitstreamSkip(bs, 3); /* video_object_layer_priority */ |
BitstreamSkip(bs, 3); /* video_object_layer_priority */ |
484 |
} else { |
} else { |
485 |
vol_ver_id = 1; |
vol_ver_id = dec->ver_id; |
486 |
} |
} |
487 |
|
|
488 |
dec->aspect_ratio = BitstreamGetBits(bs, 4); |
dec->aspect_ratio = BitstreamGetBits(bs, 4); |
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) { |
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, 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); |