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 1.39.2.13 2003-06-12 14:16:41 Isibaar Exp $ |
* $Id: bitstream.c,v 1.39.2.21 2003-12-03 02:22:30 Isibaar Exp $ |
24 |
* |
* |
25 |
****************************************************************************/ |
****************************************************************************/ |
26 |
|
|
662 |
DPRINTF(XVID_DEBUG_HEADER, "load_intra_quant_mat\n"); |
DPRINTF(XVID_DEBUG_HEADER, "load_intra_quant_mat\n"); |
663 |
|
|
664 |
bs_get_matrix(bs, matrix); |
bs_get_matrix(bs, matrix); |
665 |
set_intra_matrix(matrix); |
set_intra_matrix(dec->mpeg_quant_matrices, matrix); |
666 |
} else |
} else |
667 |
set_intra_matrix(get_default_intra_matrix()); |
set_intra_matrix(dec->mpeg_quant_matrices, get_default_intra_matrix()); |
668 |
|
|
669 |
if (BitstreamGetBit(bs)) /* load_inter_quant_mat */ |
if (BitstreamGetBit(bs)) /* load_inter_quant_mat */ |
670 |
{ |
{ |
673 |
DPRINTF(XVID_DEBUG_HEADER, "load_inter_quant_mat\n"); |
DPRINTF(XVID_DEBUG_HEADER, "load_inter_quant_mat\n"); |
674 |
|
|
675 |
bs_get_matrix(bs, matrix); |
bs_get_matrix(bs, matrix); |
676 |
set_inter_matrix(matrix); |
set_inter_matrix(dec->mpeg_quant_matrices, matrix); |
677 |
} else |
} else |
678 |
set_inter_matrix(get_default_inter_matrix()); |
set_inter_matrix(dec->mpeg_quant_matrices, get_default_inter_matrix()); |
679 |
|
|
680 |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
if (dec->shape == VIDOBJLAY_SHAPE_GRAYSCALE) { |
681 |
DPRINTF(XVID_DEBUG_ERROR, "greyscale matrix not supported\n"); |
DPRINTF(XVID_DEBUG_ERROR, "greyscale matrix not supported\n"); |
1053 |
|
|
1054 |
static void |
static void |
1055 |
bs_put_matrix(Bitstream * bs, |
bs_put_matrix(Bitstream * bs, |
1056 |
const int16_t * matrix) |
const uint16_t * matrix) |
1057 |
{ |
{ |
1058 |
int i, j; |
int i, j; |
1059 |
const int last = matrix[scan_tables[0][63]]; |
const int last = matrix[scan_tables[0][63]]; |
1106 |
* byte aligned, and that always 1-8 padding bits have been written |
* byte aligned, and that always 1-8 padding bits have been written |
1107 |
*/ |
*/ |
1108 |
|
|
|
if (pParam->profile) { |
|
1109 |
BitstreamPutBits(bs, VISOBJSEQ_START_CODE, 32); |
BitstreamPutBits(bs, VISOBJSEQ_START_CODE, 32); |
1110 |
BitstreamPutBits(bs, pParam->profile, 8); |
BitstreamPutBits(bs, pParam->profile, 8); |
|
} |
|
1111 |
|
|
1112 |
/* visual_object_start_code */ |
/* visual_object_start_code */ |
1113 |
BitstreamPad(bs); |
BitstreamPad(bs); |
1114 |
BitstreamPutBits(bs, VISOBJ_START_CODE, 32); |
BitstreamPutBits(bs, VISOBJ_START_CODE, 32); |
1115 |
BitstreamPutBits(bs, 0, 1); /* is_visual_object_identifier */ |
BitstreamPutBits(bs, 0, 1); /* is_visual_object_identifier */ |
1116 |
|
|
1117 |
|
/* Video type */ |
1118 |
BitstreamPutBits(bs, VISOBJ_TYPE_VIDEO, 4); /* visual_object_type */ |
BitstreamPutBits(bs, VISOBJ_TYPE_VIDEO, 4); /* visual_object_type */ |
1119 |
|
BitstreamPutBit(bs, 0); /* video_signal_type */ |
1120 |
|
|
1121 |
/* video object_start_code & vo_id */ |
/* video object_start_code & vo_id */ |
1122 |
BitstreamPad(bs); |
BitstreamPadAlways(bs); /* next_start_code() */ |
1123 |
BitstreamPutBits(bs, VIDOBJ_START_CODE|(vo_id&0x5), 32); |
BitstreamPutBits(bs, VIDOBJ_START_CODE|(vo_id&0x5), 32); |
1124 |
|
|
1125 |
/* video_object_layer_start_code & vol_id */ |
/* video_object_layer_start_code & vol_id */ |
1129 |
BitstreamPutBit(bs, 0); /* random_accessible_vol */ |
BitstreamPutBit(bs, 0); /* random_accessible_vol */ |
1130 |
BitstreamPutBits(bs, vol_type_ind, 8); /* video_object_type_indication */ |
BitstreamPutBits(bs, vol_type_ind, 8); /* video_object_type_indication */ |
1131 |
|
|
1132 |
if (vol_ver_id == 1) |
if (vol_ver_id == 1) { |
|
{ |
|
1133 |
BitstreamPutBit(bs, 0); /* is_object_layer_identified (0=not given) */ |
BitstreamPutBit(bs, 0); /* is_object_layer_identified (0=not given) */ |
1134 |
} |
} else { |
|
else |
|
|
{ |
|
1135 |
BitstreamPutBit(bs, 1); /* is_object_layer_identified */ |
BitstreamPutBit(bs, 1); /* is_object_layer_identified */ |
1136 |
BitstreamPutBits(bs, vol_ver_id, 4); /* vol_ver_id == 2 */ |
BitstreamPutBits(bs, vol_ver_id, 4); /* vol_ver_id == 2 */ |
1137 |
BitstreamPutBits(bs, 4, 3); /* vol_ver_priority (1==lowest, 7==highest) ?? */ |
BitstreamPutBits(bs, 4, 3); /* vol_ver_priority (1==highest, 7==lowest) */ |
1138 |
} |
} |
1139 |
|
|
1140 |
BitstreamPutBits(bs, 1, 4); /* aspect_ratio_info (1=1:1) */ |
/* Aspect ratio */ |
1141 |
|
BitstreamPutBits(bs, pParam->par, 4); /* aspect_ratio_info (1=1:1) */ |
1142 |
|
if(pParam->par == XVID_PAR_EXT) { |
1143 |
|
BitstreamPutBits(bs, pParam->par_width, 8); |
1144 |
|
BitstreamPutBits(bs, pParam->par_height, 8); |
1145 |
|
} |
1146 |
|
|
1147 |
BitstreamPutBit(bs, 1); /* vol_control_parameters */ |
BitstreamPutBit(bs, 1); /* vol_control_parameters */ |
1148 |
BitstreamPutBits(bs, 1, 2); /* chroma_format 1="4:2:0" */ |
BitstreamPutBits(bs, 1, 2); /* chroma_format 1="4:2:0" */ |
1171 |
|
|
1172 |
if (pParam->fincr>0) { |
if (pParam->fincr>0) { |
1173 |
BitstreamPutBit(bs, 1); /* fixed_vop_rate = 1 */ |
BitstreamPutBit(bs, 1); /* fixed_vop_rate = 1 */ |
1174 |
BitstreamPutBits(bs, pParam->fincr, log2bin(pParam->fbase)); /* fixed_vop_time_increment */ |
BitstreamPutBits(bs, pParam->fincr, log2bin(pParam->fbase-1)); /* fixed_vop_time_increment */ |
1175 |
}else{ |
}else{ |
1176 |
BitstreamPutBit(bs, 0); /* fixed_vop_rate = 0 */ |
BitstreamPutBit(bs, 0); /* fixed_vop_rate = 0 */ |
1177 |
} |
} |
1188 |
if (vol_ver_id != 1) |
if (vol_ver_id != 1) |
1189 |
{ if ((pParam->vol_flags & XVID_VOL_GMC)) |
{ if ((pParam->vol_flags & XVID_VOL_GMC)) |
1190 |
{ BitstreamPutBits(bs, 2, 2); /* sprite_enable=='GMC' */ |
{ BitstreamPutBits(bs, 2, 2); /* sprite_enable=='GMC' */ |
1191 |
BitstreamPutBits(bs, 2, 6); /* no_of_sprite_warping_points */ |
BitstreamPutBits(bs, 3, 6); /* no_of_sprite_warping_points */ |
1192 |
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 */ |
1193 |
BitstreamPutBit(bs, 0); /* sprite_brightness_change (not supported) */ |
BitstreamPutBit(bs, 0); /* sprite_brightness_change (not supported) */ |
1194 |
|
|
1209 |
BitstreamPutBit(bs, pParam->vol_flags & XVID_VOL_MPEGQUANT); |
BitstreamPutBit(bs, pParam->vol_flags & XVID_VOL_MPEGQUANT); |
1210 |
|
|
1211 |
if ((pParam->vol_flags & XVID_VOL_MPEGQUANT)) { |
if ((pParam->vol_flags & XVID_VOL_MPEGQUANT)) { |
1212 |
BitstreamPutBit(bs, get_intra_matrix_status()); /* load_intra_quant_mat */ |
BitstreamPutBit(bs, is_custom_intra_matrix(pParam->mpeg_quant_matrices)); /* load_intra_quant_mat */ |
1213 |
if (get_intra_matrix_status()) { |
if(is_custom_intra_matrix(pParam->mpeg_quant_matrices)) |
1214 |
bs_put_matrix(bs, get_intra_matrix()); |
bs_put_matrix(bs, get_intra_matrix(pParam->mpeg_quant_matrices)); |
1215 |
} |
|
1216 |
|
BitstreamPutBit(bs, is_custom_inter_matrix(pParam->mpeg_quant_matrices)); /* load_inter_quant_mat */ |
1217 |
BitstreamPutBit(bs, get_inter_matrix_status()); /* load_inter_quant_mat */ |
if(is_custom_inter_matrix(pParam->mpeg_quant_matrices)) |
1218 |
if (get_inter_matrix_status()) { |
bs_put_matrix(bs, get_inter_matrix(pParam->mpeg_quant_matrices)); |
|
bs_put_matrix(bs, get_inter_matrix()); |
|
|
} |
|
|
|
|
1219 |
} |
} |
1220 |
|
|
1221 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
1229 |
BitstreamPutBit(bs, 1); /* resync_marker_disable */ |
BitstreamPutBit(bs, 1); /* resync_marker_disable */ |
1230 |
BitstreamPutBit(bs, 0); /* data_partitioned */ |
BitstreamPutBit(bs, 0); /* data_partitioned */ |
1231 |
|
|
1232 |
if (vol_ver_id != 1) |
if (vol_ver_id != 1) { |
|
{ |
|
1233 |
BitstreamPutBit(bs, 0); /* newpred_enable */ |
BitstreamPutBit(bs, 0); /* newpred_enable */ |
|
|
|
1234 |
BitstreamPutBit(bs, (pParam->vol_flags & XVID_VOL_REDUCED_ENABLE)?1:0); |
BitstreamPutBit(bs, (pParam->vol_flags & XVID_VOL_REDUCED_ENABLE)?1:0); |
1235 |
/* reduced_resolution_vop_enabled */ |
/* reduced_resolution_vop_enabled */ |
1236 |
} |
} |
1237 |
|
|
1238 |
BitstreamPutBit(bs, 0); /* scalability */ |
BitstreamPutBit(bs, 0); /* scalability */ |
1239 |
|
|
1240 |
|
BitstreamPadAlways(bs); /* next_start_code(); */ |
1241 |
|
|
1242 |
/* fake divx5 id, to ensure compatibility with divx5 decoder */ |
/* fake divx5 id, to ensure compatibility with divx5 decoder */ |
1243 |
#define DIVX5_ID "DivX000b000p" |
#define DIVX5_ID "DivX000b000p" |
1244 |
if (pParam->max_bframes > 0 && (pParam->global_flags & XVID_GLOBAL_PACKED)) { |
if (pParam->max_bframes > 0 && (pParam->global_flags & XVID_GLOBAL_PACKED)) { |
1259 |
Bitstream * const bs, |
Bitstream * const bs, |
1260 |
const MBParam * pParam, |
const MBParam * pParam, |
1261 |
const FRAMEINFO * const frame, |
const FRAMEINFO * const frame, |
1262 |
int vop_coded) |
int vop_coded, |
1263 |
|
unsigned int quant) |
1264 |
{ |
{ |
1265 |
uint32_t i; |
uint32_t i; |
1266 |
|
|
1289 |
|
|
1290 |
/* time_increment: value=nth_of_sec, nbits = log2(resolution) */ |
/* time_increment: value=nth_of_sec, nbits = log2(resolution) */ |
1291 |
|
|
1292 |
BitstreamPutBits(bs, frame->ticks, log2bin(pParam->fbase)); |
BitstreamPutBits(bs, frame->ticks, log2bin(pParam->fbase-1)); |
1293 |
#if 0 |
#if 0 |
1294 |
DPRINTF("[%i:%i] %c", |
DPRINTF("[%i:%i] %c", |
1295 |
frame->seconds, frame->ticks, |
frame->seconds, frame->ticks, |
1302 |
|
|
1303 |
if (!vop_coded) { |
if (!vop_coded) { |
1304 |
BitstreamPutBits(bs, 0, 1); |
BitstreamPutBits(bs, 0, 1); |
1305 |
|
#if 0 |
1306 |
|
BitstreamPadAlways(bs); /* next_start_code() */ |
1307 |
|
#endif |
1308 |
|
/* NB: It's up to the function caller to write the next_start_code(). |
1309 |
|
* At the moment encoder.c respects that requisite because a VOP |
1310 |
|
* always ends with a next_start_code either if it's coded or not |
1311 |
|
* and encoder.c terminates a frame with a next_start_code in whatever |
1312 |
|
* case */ |
1313 |
return; |
return; |
1314 |
} |
} |
1315 |
|
|
1331 |
if (frame->coding_type == S_VOP) { |
if (frame->coding_type == S_VOP) { |
1332 |
if (1) { /* no_of_sprite_warping_points>=1 (we use 2!) */ |
if (1) { /* no_of_sprite_warping_points>=1 (we use 2!) */ |
1333 |
int k; |
int k; |
1334 |
for (k=0;k<2;k++) |
for (k=0;k<3;k++) |
1335 |
{ |
{ |
1336 |
bs_put_spritetrajectory(bs, frame->warp.duv[k].x ); /* du[k] */ |
bs_put_spritetrajectory(bs, frame->warp.duv[k].x ); /* du[k] */ |
1337 |
WRITE_MARKER(); |
WRITE_MARKER(); |
1353 |
|
|
1354 |
|
|
1355 |
#if 0 |
#if 0 |
1356 |
DPRINTF(XVID_DEBUG_HEADER, "quant = %i\n", frame->quant); |
DPRINTF(XVID_DEBUG_HEADER, "quant = %i\n", quant); |
1357 |
#endif |
#endif |
1358 |
|
|
1359 |
BitstreamPutBits(bs, frame->quant, 5); /* quantizer */ |
BitstreamPutBits(bs, quant, 5); /* quantizer */ |
1360 |
|
|
1361 |
if (frame->coding_type != I_VOP) |
if (frame->coding_type != I_VOP) |
1362 |
BitstreamPutBits(bs, frame->fcode, 3); /* forward_fixed_code */ |
BitstreamPutBits(bs, frame->fcode, 3); /* forward_fixed_code */ |