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 |
|
|
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 |
} |
} |
395 |
int32_t time_increment = 0; |
int32_t time_increment = 0; |
396 |
int resize = 0; |
int resize = 0; |
397 |
|
|
398 |
do { |
while ((BitstreamPos(bs) >> 3) + 4 <= bs->length) { |
399 |
|
|
400 |
BitstreamByteAlign(bs); |
BitstreamByteAlign(bs); |
401 |
start_code = BitstreamShowBits(bs, 32); |
start_code = BitstreamShowBits(bs, 32); |
549 |
#endif |
#endif |
550 |
|
|
551 |
if (dec->time_inc_resolution > 0) { |
if (dec->time_inc_resolution > 0) { |
552 |
dec->time_inc_bits = log2bin(dec->time_inc_resolution-1); |
dec->time_inc_bits = MAX(log2bin(dec->time_inc_resolution-1), 1); |
553 |
} else { |
} else { |
554 |
#if 0 |
#if 0 |
555 |
dec->time_inc_bits = 0; |
dec->time_inc_bits = 0; |
664 |
DPRINTF(XVID_DEBUG_HEADER, "load_intra_quant_mat\n"); |
DPRINTF(XVID_DEBUG_HEADER, "load_intra_quant_mat\n"); |
665 |
|
|
666 |
bs_get_matrix(bs, matrix); |
bs_get_matrix(bs, matrix); |
667 |
set_intra_matrix(matrix); |
set_intra_matrix(dec->mpeg_quant_matrices, matrix); |
668 |
} else |
} else |
669 |
set_intra_matrix(get_default_intra_matrix()); |
set_intra_matrix(dec->mpeg_quant_matrices, get_default_intra_matrix()); |
670 |
|
|
671 |
if (BitstreamGetBit(bs)) /* load_inter_quant_mat */ |
if (BitstreamGetBit(bs)) /* load_inter_quant_mat */ |
672 |
{ |
{ |
675 |
DPRINTF(XVID_DEBUG_HEADER, "load_inter_quant_mat\n"); |
DPRINTF(XVID_DEBUG_HEADER, "load_inter_quant_mat\n"); |
676 |
|
|
677 |
bs_get_matrix(bs, matrix); |
bs_get_matrix(bs, matrix); |
678 |
set_inter_matrix(matrix); |
set_inter_matrix(dec->mpeg_quant_matrices, matrix); |
679 |
} else |
} else |
680 |
set_inter_matrix(get_default_inter_matrix()); |
set_inter_matrix(dec->mpeg_quant_matrices, get_default_inter_matrix()); |
681 |
|
|
682 |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
683 |
DPRINTF(XVID_DEBUG_ERROR, "greyscale matrix not supported\n"); |
DPRINTF(XVID_DEBUG_ERROR, "greyscale matrix not supported\n"); |
816 |
if (coding_type != B_VOP) { |
if (coding_type != B_VOP) { |
817 |
dec->last_time_base = dec->time_base; |
dec->last_time_base = dec->time_base; |
818 |
dec->time_base += time_incr; |
dec->time_base += time_incr; |
819 |
dec->time = time_increment; |
dec->time = dec->time_base*dec->time_inc_resolution + time_increment; |
820 |
|
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; |
|
821 |
dec->last_non_b_time = dec->time; |
dec->last_non_b_time = dec->time; |
822 |
} else { |
} else { |
823 |
dec->time = time_increment; |
dec->time = (dec->last_time_base + time_incr)*dec->time_inc_resolution + time_increment; |
824 |
#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; |
|
825 |
} |
} |
826 |
DPRINTF(XVID_DEBUG_HEADER,"time_pp=%i\n", dec->time_pp); |
DPRINTF(XVID_DEBUG_HEADER,"time_pp=%i\n", dec->time_pp); |
827 |
DPRINTF(XVID_DEBUG_HEADER,"time_bp=%i\n", dec->time_bp); |
DPRINTF(XVID_DEBUG_HEADER,"time_bp=%i\n", dec->time_bp); |
1007 |
|
|
1008 |
/* read xvid bitstream version */ |
/* read xvid bitstream version */ |
1009 |
if(strncmp(tmp, "XviD", 4) == 0) { |
if(strncmp(tmp, "XviD", 4) == 0) { |
1010 |
|
if (tmp[strlen(tmp)-1] == 'C') { |
1011 |
|
sscanf(tmp, "XviD%dC", &dec->bs_version); |
1012 |
|
dec->cartoon_mode = 1; |
1013 |
|
} |
1014 |
|
else |
1015 |
sscanf(tmp, "XviD%d", &dec->bs_version); |
sscanf(tmp, "XviD%d", &dec->bs_version); |
1016 |
DPRINTF(XVID_DEBUG_HEADER, "xvid bitstream version=%i", dec->bs_version); |
|
1017 |
|
DPRINTF(XVID_DEBUG_HEADER, "xvid bitstream version=%i\n", dec->bs_version); |
1018 |
} |
} |
1019 |
|
|
1020 |
/* divx detection */ |
/* divx detection */ |
1037 |
BitstreamSkip(bs, 8); |
BitstreamSkip(bs, 8); |
1038 |
} |
} |
1039 |
} |
} |
|
while ((BitstreamPos(bs) >> 3) < bs->length); |
|
1040 |
|
|
1041 |
#if 0 |
#if 0 |
1042 |
DPRINTF("*** WARNING: no vop_start_code found"); |
DPRINTF("*** WARNING: no vop_start_code found"); |
1049 |
|
|
1050 |
static void |
static void |
1051 |
bs_put_matrix(Bitstream * bs, |
bs_put_matrix(Bitstream * bs, |
1052 |
const int16_t * matrix) |
const uint16_t * matrix) |
1053 |
{ |
{ |
1054 |
int i, j; |
int i, j; |
1055 |
const int last = matrix[scan_tables[0][63]]; |
const int last = matrix[scan_tables[0][63]]; |
1071 |
*/ |
*/ |
1072 |
void |
void |
1073 |
BitstreamWriteVolHeader(Bitstream * const bs, |
BitstreamWriteVolHeader(Bitstream * const bs, |
1074 |
const MBParam * pParam) |
const MBParam * pParam, |
1075 |
|
const FRAMEINFO * const frame) |
1076 |
{ |
{ |
1077 |
static const unsigned int vo_id = 0; |
static const unsigned int vo_id = 0; |
1078 |
static const unsigned int vol_id = 0; |
static const unsigned int vol_id = 0; |
1079 |
int vol_ver_id=1; |
int vol_ver_id=1; |
1080 |
int vol_type_ind=VIDOBJLAY_TYPE_SIMPLE; |
int vol_type_ind=VIDOBJLAY_TYPE_SIMPLE; |
1081 |
|
int vol_profile = pParam->profile; |
1082 |
|
|
1083 |
if ( (pParam->vol_flags & XVID_VOL_QUARTERPEL) || |
if ( (pParam->vol_flags & XVID_VOL_QUARTERPEL) || |
1084 |
(pParam->vol_flags & XVID_VOL_GMC) || |
(pParam->vol_flags & XVID_VOL_GMC) || |
1104 |
* byte aligned, and that always 1-8 padding bits have been written |
* byte aligned, and that always 1-8 padding bits have been written |
1105 |
*/ |
*/ |
1106 |
|
|
1107 |
if (pParam->profile) { |
if (!vol_profile) { |
1108 |
BitstreamPutBits(bs, VISOBJSEQ_START_CODE, 32); |
/* Profile was not set by client app, use the more permissive profile |
1109 |
BitstreamPutBits(bs, pParam->profile, 8); |
* compatible with the vol_type_id */ |
1110 |
|
switch(vol_type_ind) { |
1111 |
|
case VIDOBJLAY_TYPE_ASP: |
1112 |
|
vol_profile = 0xf5; /* ASP level 5 */ |
1113 |
|
break; |
1114 |
|
case VIDOBJLAY_TYPE_ART_SIMPLE: |
1115 |
|
vol_profile = 0x94; /* ARTS level 4 */ |
1116 |
|
break; |
1117 |
|
default: |
1118 |
|
vol_profile = 0x03; /* Simple level 3 */ |
1119 |
|
break; |
1120 |
} |
} |
1121 |
|
} |
1122 |
|
|
1123 |
|
/* Write the VOS header */ |
1124 |
|
BitstreamPutBits(bs, VISOBJSEQ_START_CODE, 32); |
1125 |
|
BitstreamPutBits(bs, vol_profile, 8); /* profile_and_level_indication */ |
1126 |
|
|
1127 |
|
|
1128 |
/* visual_object_start_code */ |
/* visual_object_start_code */ |
1129 |
BitstreamPad(bs); |
BitstreamPad(bs); |
1130 |
BitstreamPutBits(bs, VISOBJ_START_CODE, 32); |
BitstreamPutBits(bs, VISOBJ_START_CODE, 32); |
1131 |
BitstreamPutBits(bs, 0, 1); /* is_visual_object_identifier */ |
BitstreamPutBits(bs, 0, 1); /* is_visual_object_identifier */ |
1132 |
|
|
1133 |
|
/* Video type */ |
1134 |
BitstreamPutBits(bs, VISOBJ_TYPE_VIDEO, 4); /* visual_object_type */ |
BitstreamPutBits(bs, VISOBJ_TYPE_VIDEO, 4); /* visual_object_type */ |
1135 |
|
BitstreamPutBit(bs, 0); /* video_signal_type */ |
1136 |
|
|
1137 |
/* video object_start_code & vo_id */ |
/* video object_start_code & vo_id */ |
1138 |
BitstreamPad(bs); |
BitstreamPadAlways(bs); /* next_start_code() */ |
1139 |
BitstreamPutBits(bs, VIDOBJ_START_CODE|(vo_id&0x5), 32); |
BitstreamPutBits(bs, VIDOBJ_START_CODE|(vo_id&0x5), 32); |
1140 |
|
|
1141 |
/* video_object_layer_start_code & vol_id */ |
/* video_object_layer_start_code & vol_id */ |
1145 |
BitstreamPutBit(bs, 0); /* random_accessible_vol */ |
BitstreamPutBit(bs, 0); /* random_accessible_vol */ |
1146 |
BitstreamPutBits(bs, vol_type_ind, 8); /* video_object_type_indication */ |
BitstreamPutBits(bs, vol_type_ind, 8); /* video_object_type_indication */ |
1147 |
|
|
1148 |
if (vol_ver_id == 1) |
if (vol_ver_id == 1) { |
|
{ |
|
1149 |
BitstreamPutBit(bs, 0); /* is_object_layer_identified (0=not given) */ |
BitstreamPutBit(bs, 0); /* is_object_layer_identified (0=not given) */ |
1150 |
} |
} else { |
|
else |
|
|
{ |
|
1151 |
BitstreamPutBit(bs, 1); /* is_object_layer_identified */ |
BitstreamPutBit(bs, 1); /* is_object_layer_identified */ |
1152 |
BitstreamPutBits(bs, vol_ver_id, 4); /* vol_ver_id == 2 */ |
BitstreamPutBits(bs, vol_ver_id, 4); /* vol_ver_id == 2 */ |
1153 |
BitstreamPutBits(bs, 4, 3); /* vol_ver_priority (1==lowest, 7==highest) ?? */ |
BitstreamPutBits(bs, 4, 3); /* vol_ver_priority (1==highest, 7==lowest) */ |
1154 |
} |
} |
1155 |
|
|
1156 |
BitstreamPutBits(bs, 1, 4); /* aspect_ratio_info (1=1:1) */ |
/* Aspect ratio */ |
1157 |
|
BitstreamPutBits(bs, pParam->par, 4); /* aspect_ratio_info (1=1:1) */ |
1158 |
|
if(pParam->par == XVID_PAR_EXT) { |
1159 |
|
BitstreamPutBits(bs, pParam->par_width, 8); |
1160 |
|
BitstreamPutBits(bs, pParam->par_height, 8); |
1161 |
|
} |
1162 |
|
|
1163 |
BitstreamPutBit(bs, 1); /* vol_control_parameters */ |
BitstreamPutBit(bs, 1); /* vol_control_parameters */ |
1164 |
BitstreamPutBits(bs, 1, 2); /* chroma_format 1="4:2:0" */ |
BitstreamPutBits(bs, 1, 2); /* chroma_format 1="4:2:0" */ |
1187 |
|
|
1188 |
if (pParam->fincr>0) { |
if (pParam->fincr>0) { |
1189 |
BitstreamPutBit(bs, 1); /* fixed_vop_rate = 1 */ |
BitstreamPutBit(bs, 1); /* fixed_vop_rate = 1 */ |
1190 |
BitstreamPutBits(bs, pParam->fincr, log2bin(pParam->fbase)); /* fixed_vop_time_increment */ |
BitstreamPutBits(bs, pParam->fincr, MAX(log2bin(pParam->fbase-1),1)); /* fixed_vop_time_increment */ |
1191 |
}else{ |
}else{ |
1192 |
BitstreamPutBit(bs, 0); /* fixed_vop_rate = 0 */ |
BitstreamPutBit(bs, 0); /* fixed_vop_rate = 0 */ |
1193 |
} |
} |
1204 |
if (vol_ver_id != 1) |
if (vol_ver_id != 1) |
1205 |
{ if ((pParam->vol_flags & XVID_VOL_GMC)) |
{ if ((pParam->vol_flags & XVID_VOL_GMC)) |
1206 |
{ BitstreamPutBits(bs, 2, 2); /* sprite_enable=='GMC' */ |
{ BitstreamPutBits(bs, 2, 2); /* sprite_enable=='GMC' */ |
1207 |
BitstreamPutBits(bs, 2, 6); /* no_of_sprite_warping_points */ |
BitstreamPutBits(bs, 3, 6); /* no_of_sprite_warping_points */ |
1208 |
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 */ |
1209 |
BitstreamPutBit(bs, 0); /* sprite_brightness_change (not supported) */ |
BitstreamPutBit(bs, 0); /* sprite_brightness_change (not supported) */ |
1210 |
|
|
1225 |
BitstreamPutBit(bs, pParam->vol_flags & XVID_VOL_MPEGQUANT); |
BitstreamPutBit(bs, pParam->vol_flags & XVID_VOL_MPEGQUANT); |
1226 |
|
|
1227 |
if ((pParam->vol_flags & XVID_VOL_MPEGQUANT)) { |
if ((pParam->vol_flags & XVID_VOL_MPEGQUANT)) { |
1228 |
BitstreamPutBit(bs, get_intra_matrix_status()); /* load_intra_quant_mat */ |
BitstreamPutBit(bs, is_custom_intra_matrix(pParam->mpeg_quant_matrices)); /* load_intra_quant_mat */ |
1229 |
if (get_intra_matrix_status()) { |
if(is_custom_intra_matrix(pParam->mpeg_quant_matrices)) |
1230 |
bs_put_matrix(bs, get_intra_matrix()); |
bs_put_matrix(bs, get_intra_matrix(pParam->mpeg_quant_matrices)); |
1231 |
} |
|
1232 |
|
BitstreamPutBit(bs, is_custom_inter_matrix(pParam->mpeg_quant_matrices)); /* load_inter_quant_mat */ |
1233 |
BitstreamPutBit(bs, get_inter_matrix_status()); /* load_inter_quant_mat */ |
if(is_custom_inter_matrix(pParam->mpeg_quant_matrices)) |
1234 |
if (get_inter_matrix_status()) { |
bs_put_matrix(bs, get_inter_matrix(pParam->mpeg_quant_matrices)); |
|
bs_put_matrix(bs, get_inter_matrix()); |
|
|
} |
|
|
|
|
1235 |
} |
} |
1236 |
|
|
1237 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
1245 |
BitstreamPutBit(bs, 1); /* resync_marker_disable */ |
BitstreamPutBit(bs, 1); /* resync_marker_disable */ |
1246 |
BitstreamPutBit(bs, 0); /* data_partitioned */ |
BitstreamPutBit(bs, 0); /* data_partitioned */ |
1247 |
|
|
1248 |
if (vol_ver_id != 1) |
if (vol_ver_id != 1) { |
|
{ |
|
1249 |
BitstreamPutBit(bs, 0); /* newpred_enable */ |
BitstreamPutBit(bs, 0); /* newpred_enable */ |
|
|
|
1250 |
BitstreamPutBit(bs, (pParam->vol_flags & XVID_VOL_REDUCED_ENABLE)?1:0); |
BitstreamPutBit(bs, (pParam->vol_flags & XVID_VOL_REDUCED_ENABLE)?1:0); |
1251 |
/* reduced_resolution_vop_enabled */ |
/* reduced_resolution_vop_enabled */ |
1252 |
} |
} |
1253 |
|
|
1254 |
BitstreamPutBit(bs, 0); /* scalability */ |
BitstreamPutBit(bs, 0); /* scalability */ |
1255 |
|
|
1256 |
|
BitstreamPadAlways(bs); /* next_start_code(); */ |
1257 |
|
|
1258 |
/* fake divx5 id, to ensure compatibility with divx5 decoder */ |
/* fake divx5 id, to ensure compatibility with divx5 decoder */ |
1259 |
#define DIVX5_ID "DivX000b000p" |
#define DIVX5_ID "DivX999b000p" |
1260 |
if (pParam->max_bframes > 0 && (pParam->global_flags & XVID_GLOBAL_PACKED)) { |
if (pParam->max_bframes > 0 && (pParam->global_flags & XVID_GLOBAL_PACKED)) { |
1261 |
BitstreamWriteUserData(bs, DIVX5_ID, strlen(DIVX5_ID)); |
BitstreamWriteUserData(bs, DIVX5_ID, strlen(DIVX5_ID)); |
1262 |
} |
} |
1263 |
|
|
1264 |
/* xvid id */ |
/* xvid id */ |
1265 |
#define XVID_ID "XviD" XVID_BS_VERSION |
{ |
1266 |
BitstreamWriteUserData(bs, XVID_ID, strlen(XVID_ID)); |
const char xvid_user_format[] = "XviD%04d%c"; |
1267 |
|
char xvid_user_data[100]; |
1268 |
|
sprintf(xvid_user_data, |
1269 |
|
xvid_user_format, |
1270 |
|
XVID_BS_VERSION, |
1271 |
|
(frame->vop_flags & XVID_VOP_CARTOON)?'C':'\0'); |
1272 |
|
BitstreamWriteUserData(bs, xvid_user_data, strlen(xvid_user_data)); |
1273 |
|
} |
1274 |
} |
} |
1275 |
|
|
1276 |
|
|
1282 |
Bitstream * const bs, |
Bitstream * const bs, |
1283 |
const MBParam * pParam, |
const MBParam * pParam, |
1284 |
const FRAMEINFO * const frame, |
const FRAMEINFO * const frame, |
1285 |
int vop_coded) |
int vop_coded, |
1286 |
|
unsigned int quant) |
1287 |
{ |
{ |
1288 |
uint32_t i; |
uint32_t i; |
1289 |
|
|
1311 |
WRITE_MARKER(); |
WRITE_MARKER(); |
1312 |
|
|
1313 |
/* time_increment: value=nth_of_sec, nbits = log2(resolution) */ |
/* time_increment: value=nth_of_sec, nbits = log2(resolution) */ |
1314 |
|
BitstreamPutBits(bs, frame->ticks, MAX(log2bin(pParam->fbase-1), 1)); |
|
BitstreamPutBits(bs, frame->ticks, log2bin(pParam->fbase)); |
|
1315 |
#if 0 |
#if 0 |
1316 |
DPRINTF("[%i:%i] %c", |
DPRINTF("[%i:%i] %c", |
1317 |
frame->seconds, frame->ticks, |
frame->seconds, frame->ticks, |
1324 |
|
|
1325 |
if (!vop_coded) { |
if (!vop_coded) { |
1326 |
BitstreamPutBits(bs, 0, 1); |
BitstreamPutBits(bs, 0, 1); |
1327 |
|
#if 0 |
1328 |
|
BitstreamPadAlways(bs); /* next_start_code() */ |
1329 |
|
#endif |
1330 |
|
/* NB: It's up to the function caller to write the next_start_code(). |
1331 |
|
* At the moment encoder.c respects that requisite because a VOP |
1332 |
|
* always ends with a next_start_code either if it's coded or not |
1333 |
|
* and encoder.c terminates a frame with a next_start_code in whatever |
1334 |
|
* case */ |
1335 |
return; |
return; |
1336 |
} |
} |
1337 |
|
|
1353 |
if (frame->coding_type == S_VOP) { |
if (frame->coding_type == S_VOP) { |
1354 |
if (1) { /* no_of_sprite_warping_points>=1 (we use 2!) */ |
if (1) { /* no_of_sprite_warping_points>=1 (we use 2!) */ |
1355 |
int k; |
int k; |
1356 |
for (k=0;k<2;k++) |
for (k=0;k<3;k++) |
1357 |
{ |
{ |
1358 |
bs_put_spritetrajectory(bs, frame->warp.duv[k].x ); /* du[k] */ |
bs_put_spritetrajectory(bs, frame->warp.duv[k].x ); /* du[k] */ |
1359 |
WRITE_MARKER(); |
WRITE_MARKER(); |
1375 |
|
|
1376 |
|
|
1377 |
#if 0 |
#if 0 |
1378 |
DPRINTF(XVID_DEBUG_HEADER, "quant = %i\n", frame->quant); |
DPRINTF(XVID_DEBUG_HEADER, "quant = %i\n", quant); |
1379 |
#endif |
#endif |
1380 |
|
|
1381 |
BitstreamPutBits(bs, frame->quant, 5); /* quantizer */ |
BitstreamPutBits(bs, quant, 5); /* quantizer */ |
1382 |
|
|
1383 |
if (frame->coding_type != I_VOP) |
if (frame->coding_type != I_VOP) |
1384 |
BitstreamPutBits(bs, frame->fcode, 3); /* forward_fixed_code */ |
BitstreamPutBits(bs, frame->fcode, 3); /* forward_fixed_code */ |