71 |
matrix[scan_tables[0][i++]] = value; |
matrix[scan_tables[0][i++]] = value; |
72 |
} |
} |
73 |
while (value != 0 && i < 64); |
while (value != 0 && i < 64); |
|
i--; /* fix little bug at coeff not full */ |
|
74 |
|
|
75 |
|
if (value != 0) return; |
76 |
|
|
77 |
|
i--; |
78 |
while (i < 64) { |
while (i < 64) { |
79 |
matrix[scan_tables[0][i++]] = last; |
matrix[scan_tables[0][i++]] = last; |
80 |
} |
} |
381 |
BitstreamReadHeaders(Bitstream * bs, |
BitstreamReadHeaders(Bitstream * bs, |
382 |
DECODER * dec, |
DECODER * dec, |
383 |
uint32_t * rounding, |
uint32_t * rounding, |
|
uint32_t * reduced_resolution, |
|
384 |
uint32_t * quant, |
uint32_t * quant, |
385 |
uint32_t * fcode_forward, |
uint32_t * fcode_forward, |
386 |
uint32_t * fcode_backward, |
uint32_t * fcode_backward, |
394 |
int32_t time_increment = 0; |
int32_t time_increment = 0; |
395 |
int resize = 0; |
int resize = 0; |
396 |
|
|
397 |
do { |
while ((BitstreamPos(bs) >> 3) + 4 <= bs->length) { |
398 |
|
|
399 |
BitstreamByteAlign(bs); |
BitstreamByteAlign(bs); |
400 |
start_code = BitstreamShowBits(bs, 32); |
start_code = BitstreamShowBits(bs, 32); |
548 |
#endif |
#endif |
549 |
|
|
550 |
if (dec->time_inc_resolution > 0) { |
if (dec->time_inc_resolution > 0) { |
551 |
dec->time_inc_bits = log2bin(dec->time_inc_resolution-1); |
dec->time_inc_bits = MAX(log2bin(dec->time_inc_resolution-1), 1); |
552 |
} else { |
} else { |
553 |
#if 0 |
#if 0 |
554 |
dec->time_inc_bits = 0; |
dec->time_inc_bits = 0; |
663 |
DPRINTF(XVID_DEBUG_HEADER, "load_intra_quant_mat\n"); |
DPRINTF(XVID_DEBUG_HEADER, "load_intra_quant_mat\n"); |
664 |
|
|
665 |
bs_get_matrix(bs, matrix); |
bs_get_matrix(bs, matrix); |
666 |
set_intra_matrix(matrix); |
set_intra_matrix(dec->mpeg_quant_matrices, matrix); |
667 |
} else |
} else |
668 |
set_intra_matrix(get_default_intra_matrix()); |
set_intra_matrix(dec->mpeg_quant_matrices, get_default_intra_matrix()); |
669 |
|
|
670 |
if (BitstreamGetBit(bs)) /* load_inter_quant_mat */ |
if (BitstreamGetBit(bs)) /* load_inter_quant_mat */ |
671 |
{ |
{ |
674 |
DPRINTF(XVID_DEBUG_HEADER, "load_inter_quant_mat\n"); |
DPRINTF(XVID_DEBUG_HEADER, "load_inter_quant_mat\n"); |
675 |
|
|
676 |
bs_get_matrix(bs, matrix); |
bs_get_matrix(bs, matrix); |
677 |
set_inter_matrix(matrix); |
set_inter_matrix(dec->mpeg_quant_matrices, matrix); |
678 |
} else |
} else |
679 |
set_inter_matrix(get_default_inter_matrix()); |
set_inter_matrix(dec->mpeg_quant_matrices, get_default_inter_matrix()); |
680 |
|
|
681 |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
682 |
DPRINTF(XVID_DEBUG_ERROR, "greyscale matrix not supported\n"); |
DPRINTF(XVID_DEBUG_ERROR, "greyscale matrix not supported\n"); |
815 |
if (coding_type != B_VOP) { |
if (coding_type != B_VOP) { |
816 |
dec->last_time_base = dec->time_base; |
dec->last_time_base = dec->time_base; |
817 |
dec->time_base += time_incr; |
dec->time_base += time_incr; |
818 |
dec->time = time_increment; |
dec->time = dec->time_base*dec->time_inc_resolution + time_increment; |
819 |
|
dec->time_pp = (int32_t)(dec->time - dec->last_non_b_time); |
|
#if 0 |
|
|
dec->time_base * dec->time_inc_resolution + |
|
|
time_increment; |
|
|
#endif |
|
|
dec->time_pp = (uint32_t) |
|
|
(dec->time_inc_resolution + dec->time - dec->last_non_b_time)%dec->time_inc_resolution; |
|
820 |
dec->last_non_b_time = dec->time; |
dec->last_non_b_time = dec->time; |
821 |
} else { |
} else { |
822 |
dec->time = time_increment; |
dec->time = (dec->last_time_base + time_incr)*dec->time_inc_resolution + time_increment; |
823 |
#if 0 |
dec->time_bp = dec->time_pp - (int32_t)(dec->last_non_b_time - dec->time); |
|
(dec->last_time_base + |
|
|
time_incr) * dec->time_inc_resolution + time_increment; |
|
|
#endif |
|
|
dec->time_bp = (uint32_t) |
|
|
(dec->time_inc_resolution + dec->last_non_b_time - dec->time)%dec->time_inc_resolution; |
|
824 |
} |
} |
825 |
DPRINTF(XVID_DEBUG_HEADER,"time_pp=%i\n", dec->time_pp); |
DPRINTF(XVID_DEBUG_HEADER,"time_pp=%i\n", dec->time_pp); |
826 |
DPRINTF(XVID_DEBUG_HEADER,"time_bp=%i\n", dec->time_bp); |
DPRINTF(XVID_DEBUG_HEADER,"time_bp=%i\n", dec->time_bp); |
861 |
dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR && |
dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR && |
862 |
(coding_type == P_VOP || coding_type == I_VOP)) { |
(coding_type == P_VOP || coding_type == I_VOP)) { |
863 |
|
|
864 |
*reduced_resolution = BitstreamGetBit(bs); |
if (BitstreamGetBit(bs)); |
865 |
DPRINTF(XVID_DEBUG_HEADER, "reduced_resolution %i\n", *reduced_resolution); |
DPRINTF(XVID_DEBUG_ERROR, "RRV not supported (anymore)\n"); |
|
} |
|
|
else |
|
|
{ |
|
|
*reduced_resolution = 0; |
|
866 |
} |
} |
867 |
|
|
868 |
if (dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) { |
if (dec->shape != VIDOBJLAY_SHAPE_RECTANGULAR) { |
987 |
|
|
988 |
BitstreamSkip(bs, 32); /* user_data_start_code */ |
BitstreamSkip(bs, 32); /* user_data_start_code */ |
989 |
|
|
990 |
|
memset(tmp, 0, 256); |
991 |
tmp[0] = BitstreamShowBits(bs, 8); |
tmp[0] = BitstreamShowBits(bs, 8); |
992 |
|
|
993 |
for(i = 1; i < 256; i++){ |
for(i = 1; i < 256; i++){ |
1003 |
|
|
1004 |
/* read xvid bitstream version */ |
/* read xvid bitstream version */ |
1005 |
if(strncmp(tmp, "XviD", 4) == 0) { |
if(strncmp(tmp, "XviD", 4) == 0) { |
1006 |
|
if (tmp[strlen(tmp)-1] == 'C') { |
1007 |
|
sscanf(tmp, "XviD%dC", &dec->bs_version); |
1008 |
|
dec->cartoon_mode = 1; |
1009 |
|
} |
1010 |
|
else |
1011 |
sscanf(tmp, "XviD%d", &dec->bs_version); |
sscanf(tmp, "XviD%d", &dec->bs_version); |
1012 |
DPRINTF(XVID_DEBUG_HEADER, "xvid bitstream version=%i", dec->bs_version); |
|
1013 |
|
DPRINTF(XVID_DEBUG_HEADER, "xvid bitstream version=%i\n", dec->bs_version); |
1014 |
} |
} |
1015 |
|
|
1016 |
/* divx detection */ |
/* divx detection */ |
1033 |
BitstreamSkip(bs, 8); |
BitstreamSkip(bs, 8); |
1034 |
} |
} |
1035 |
} |
} |
|
while ((BitstreamPos(bs) >> 3) < bs->length); |
|
1036 |
|
|
1037 |
#if 0 |
#if 0 |
1038 |
DPRINTF("*** WARNING: no vop_start_code found"); |
DPRINTF("*** WARNING: no vop_start_code found"); |
1045 |
|
|
1046 |
static void |
static void |
1047 |
bs_put_matrix(Bitstream * bs, |
bs_put_matrix(Bitstream * bs, |
1048 |
const int16_t * matrix) |
const uint16_t * matrix) |
1049 |
{ |
{ |
1050 |
int i, j; |
int i, j; |
1051 |
const int last = matrix[scan_tables[0][63]]; |
const int last = matrix[scan_tables[0][63]]; |
1067 |
*/ |
*/ |
1068 |
void |
void |
1069 |
BitstreamWriteVolHeader(Bitstream * const bs, |
BitstreamWriteVolHeader(Bitstream * const bs, |
1070 |
const MBParam * pParam) |
const MBParam * pParam, |
1071 |
|
const FRAMEINFO * const frame) |
1072 |
{ |
{ |
1073 |
static const unsigned int vo_id = 0; |
static const unsigned int vo_id = 0; |
1074 |
static const unsigned int vol_id = 0; |
static const unsigned int vol_id = 0; |
1075 |
int vol_ver_id = 1; |
int vol_ver_id = 1; |
1076 |
int vol_type_ind = VIDOBJLAY_TYPE_SIMPLE; |
int vol_type_ind = VIDOBJLAY_TYPE_SIMPLE; |
1077 |
|
int vol_profile = pParam->profile; |
1078 |
|
|
1079 |
if ( (pParam->vol_flags & XVID_VOL_QUARTERPEL) || |
if ( (pParam->vol_flags & XVID_VOL_QUARTERPEL) || |
1080 |
(pParam->vol_flags & XVID_VOL_GMC) || |
(pParam->vol_flags & XVID_VOL_GMC) || |
1085 |
vol_type_ind = VIDOBJLAY_TYPE_ART_SIMPLE; |
vol_type_ind = VIDOBJLAY_TYPE_ART_SIMPLE; |
1086 |
} |
} |
1087 |
|
|
1088 |
if ((pParam->vol_flags & XVID_VOL_QUARTERPEL) || |
if ((pParam->vol_flags & (XVID_VOL_MPEGQUANT|XVID_VOL_QUARTERPEL|XVID_VOL_GMC|XVID_VOL_INTERLACING)) || |
1089 |
(pParam->vol_flags & XVID_VOL_GMC)) { |
pParam->max_bframes>0) { |
1090 |
vol_type_ind = VIDOBJLAY_TYPE_ASP; |
vol_type_ind = VIDOBJLAY_TYPE_ASP; |
1091 |
} |
} |
1092 |
|
|
1100 |
* byte aligned, and that always 1-8 padding bits have been written |
* byte aligned, and that always 1-8 padding bits have been written |
1101 |
*/ |
*/ |
1102 |
|
|
1103 |
if (pParam->profile) { |
if (!vol_profile) { |
1104 |
BitstreamPutBits(bs, VISOBJSEQ_START_CODE, 32); |
/* Profile was not set by client app, use the more permissive profile |
1105 |
BitstreamPutBits(bs, pParam->profile, 8); |
* compatible with the vol_type_id */ |
1106 |
|
switch(vol_type_ind) { |
1107 |
|
case VIDOBJLAY_TYPE_ASP: |
1108 |
|
vol_profile = 0xf5; /* ASP level 5 */ |
1109 |
|
break; |
1110 |
|
case VIDOBJLAY_TYPE_ART_SIMPLE: |
1111 |
|
vol_profile = 0x94; /* ARTS level 4 */ |
1112 |
|
break; |
1113 |
|
default: |
1114 |
|
vol_profile = 0x03; /* Simple level 3 */ |
1115 |
|
break; |
1116 |
|
} |
1117 |
} |
} |
1118 |
|
|
1119 |
|
/* Write the VOS header */ |
1120 |
|
BitstreamPutBits(bs, VISOBJSEQ_START_CODE, 32); |
1121 |
|
BitstreamPutBits(bs, vol_profile, 8); /* profile_and_level_indication */ |
1122 |
|
|
1123 |
|
|
1124 |
/* visual_object_start_code */ |
/* visual_object_start_code */ |
1125 |
BitstreamPad(bs); |
BitstreamPad(bs); |
1126 |
BitstreamPutBits(bs, VISOBJ_START_CODE, 32); |
BitstreamPutBits(bs, VISOBJ_START_CODE, 32); |
1183 |
|
|
1184 |
if (pParam->fincr>0) { |
if (pParam->fincr>0) { |
1185 |
BitstreamPutBit(bs, 1); /* fixed_vop_rate = 1 */ |
BitstreamPutBit(bs, 1); /* fixed_vop_rate = 1 */ |
1186 |
BitstreamPutBits(bs, pParam->fincr, log2bin(pParam->fbase-1)); /* fixed_vop_time_increment */ |
BitstreamPutBits(bs, pParam->fincr, MAX(log2bin(pParam->fbase-1),1)); /* fixed_vop_time_increment */ |
1187 |
}else{ |
}else{ |
1188 |
BitstreamPutBit(bs, 0); /* fixed_vop_rate = 0 */ |
BitstreamPutBit(bs, 0); /* fixed_vop_rate = 0 */ |
1189 |
} |
} |
1221 |
BitstreamPutBit(bs, pParam->vol_flags & XVID_VOL_MPEGQUANT); |
BitstreamPutBit(bs, pParam->vol_flags & XVID_VOL_MPEGQUANT); |
1222 |
|
|
1223 |
if ((pParam->vol_flags & XVID_VOL_MPEGQUANT)) { |
if ((pParam->vol_flags & XVID_VOL_MPEGQUANT)) { |
1224 |
BitstreamPutBit(bs, get_intra_matrix_status()); /* load_intra_quant_mat */ |
BitstreamPutBit(bs, is_custom_intra_matrix(pParam->mpeg_quant_matrices)); /* load_intra_quant_mat */ |
1225 |
if (get_intra_matrix_status()) { |
if(is_custom_intra_matrix(pParam->mpeg_quant_matrices)) |
1226 |
bs_put_matrix(bs, get_intra_matrix()); |
bs_put_matrix(bs, get_intra_matrix(pParam->mpeg_quant_matrices)); |
1227 |
} |
|
1228 |
|
BitstreamPutBit(bs, is_custom_inter_matrix(pParam->mpeg_quant_matrices)); /* load_inter_quant_mat */ |
1229 |
BitstreamPutBit(bs, get_inter_matrix_status()); /* load_inter_quant_mat */ |
if(is_custom_inter_matrix(pParam->mpeg_quant_matrices)) |
1230 |
if (get_inter_matrix_status()) { |
bs_put_matrix(bs, get_inter_matrix(pParam->mpeg_quant_matrices)); |
|
bs_put_matrix(bs, get_inter_matrix()); |
|
|
} |
|
|
|
|
1231 |
} |
} |
1232 |
|
|
1233 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
1251 |
|
|
1252 |
BitstreamPadAlways(bs); /* next_start_code(); */ |
BitstreamPadAlways(bs); /* next_start_code(); */ |
1253 |
|
|
1254 |
/* fake divx5 id, to ensure compatibility with divx5 decoder */ |
/* divx5 userdata string */ |
1255 |
#define DIVX5_ID "DivX000b000p" |
#define DIVX5_ID "DivX503b1393" |
1256 |
if (pParam->max_bframes > 0 && (pParam->global_flags & XVID_GLOBAL_PACKED)) { |
if ((pParam->global_flags & XVID_GLOBAL_DIVX5_USERDATA)) { |
1257 |
BitstreamWriteUserData(bs, DIVX5_ID, strlen(DIVX5_ID)); |
BitstreamWriteUserData(bs, DIVX5_ID, strlen(DIVX5_ID)); |
1258 |
|
if (pParam->max_bframes > 0 && (pParam->global_flags & XVID_GLOBAL_PACKED)) |
1259 |
|
BitstreamPutBits(bs, 'p', 8); |
1260 |
} |
} |
1261 |
|
|
1262 |
/* xvid id */ |
/* xvid id */ |
1263 |
#define XVID_ID "XviD" XVID_BS_VERSION |
{ |
1264 |
BitstreamWriteUserData(bs, XVID_ID, strlen(XVID_ID)); |
const char xvid_user_format[] = "XviD%04d%c"; |
1265 |
|
char xvid_user_data[100]; |
1266 |
|
sprintf(xvid_user_data, |
1267 |
|
xvid_user_format, |
1268 |
|
XVID_BS_VERSION, |
1269 |
|
(frame->vop_flags & XVID_VOP_CARTOON)?'C':'\0'); |
1270 |
|
BitstreamWriteUserData(bs, xvid_user_data, strlen(xvid_user_data)); |
1271 |
|
} |
1272 |
} |
} |
1273 |
|
|
1274 |
|
|
1280 |
Bitstream * const bs, |
Bitstream * const bs, |
1281 |
const MBParam * pParam, |
const MBParam * pParam, |
1282 |
const FRAMEINFO * const frame, |
const FRAMEINFO * const frame, |
1283 |
int vop_coded) |
int vop_coded, |
1284 |
|
unsigned int quant) |
1285 |
{ |
{ |
1286 |
uint32_t i; |
uint32_t i; |
1287 |
|
|
1309 |
WRITE_MARKER(); |
WRITE_MARKER(); |
1310 |
|
|
1311 |
/* time_increment: value=nth_of_sec, nbits = log2(resolution) */ |
/* time_increment: value=nth_of_sec, nbits = log2(resolution) */ |
1312 |
|
BitstreamPutBits(bs, frame->ticks, MAX(log2bin(pParam->fbase-1), 1)); |
|
BitstreamPutBits(bs, frame->ticks, log2bin(pParam->fbase-1)); |
|
1313 |
#if 0 |
#if 0 |
1314 |
DPRINTF("[%i:%i] %c", |
DPRINTF("[%i:%i] %c", |
1315 |
frame->seconds, frame->ticks, |
frame->seconds, frame->ticks, |
1339 |
BitstreamPutBits(bs, frame->rounding_type, 1); |
BitstreamPutBits(bs, frame->rounding_type, 1); |
1340 |
|
|
1341 |
if ((frame->vol_flags & XVID_VOL_REDUCED_ENABLE)) |
if ((frame->vol_flags & XVID_VOL_REDUCED_ENABLE)) |
1342 |
BitstreamPutBit(bs, (frame->vop_flags & XVID_VOP_REDUCED)?1:0); |
BitstreamPutBit(bs, 0); |
1343 |
|
|
1344 |
BitstreamPutBits(bs, 0, 3); /* intra_dc_vlc_threshold */ |
BitstreamPutBits(bs, 0, 3); /* intra_dc_vlc_threshold */ |
1345 |
|
|
1373 |
|
|
1374 |
|
|
1375 |
#if 0 |
#if 0 |
1376 |
DPRINTF(XVID_DEBUG_HEADER, "quant = %i\n", frame->quant); |
DPRINTF(XVID_DEBUG_HEADER, "quant = %i\n", quant); |
1377 |
#endif |
#endif |
1378 |
|
|
1379 |
BitstreamPutBits(bs, frame->quant, 5); /* quantizer */ |
BitstreamPutBits(bs, quant, 5); /* quantizer */ |
1380 |
|
|
1381 |
if (frame->coding_type != I_VOP) |
if (frame->coding_type != I_VOP) |
1382 |
BitstreamPutBits(bs, frame->fcode, 3); /* forward_fixed_code */ |
BitstreamPutBits(bs, frame->fcode, 3); /* forward_fixed_code */ |