66 |
******************************************************************************/ |
******************************************************************************/ |
67 |
|
|
68 |
|
|
69 |
|
#include <string.h> |
70 |
|
#include <stdio.h> |
71 |
|
|
72 |
#include "bitstream.h" |
#include "bitstream.h" |
73 |
#include "zigzag.h" |
#include "zigzag.h" |
74 |
#include "../quant/quant_matrix.h" |
#include "../quant/quant_matrix.h" |
79 |
log2bin(uint32_t value) |
log2bin(uint32_t value) |
80 |
{ |
{ |
81 |
/* Changed by Chenm001 */ |
/* Changed by Chenm001 */ |
82 |
#ifndef WIN32 |
#if !defined(_MSC_VER) |
83 |
int n = 0; |
int n = 0; |
84 |
|
|
85 |
while (value) { |
while (value) { |
173 |
|
|
174 |
if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) |
if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) |
175 |
{ |
{ |
176 |
*quant = BitstreamGetBits(bs, 5); /* quant_scale */ |
*quant = BitstreamGetBits(bs, dec->quant_bits); /* quant_scale */ |
177 |
DPRINTF(DPRINTF_HEADER, "quant %i", *quant); |
DPRINTF(DPRINTF_HEADER, "quant %i", *quant); |
178 |
} |
} |
179 |
|
|
218 |
dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR && |
dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR && |
219 |
(coding_type == P_VOP || coding_type == I_VOP)) |
(coding_type == P_VOP || coding_type == I_VOP)) |
220 |
{ |
{ |
221 |
BitstreamSkip(bs, 1); /* vop_reduced_resolution */ |
BitstreamSkip(bs, 1); /* XXX: vop_reduced_resolution */ |
222 |
} |
} |
223 |
|
|
224 |
if (coding_type != I_VOP && fcode_forward) |
if (coding_type != I_VOP && fcode_forward) |
256 |
|
|
257 |
|
|
258 |
|
|
259 |
|
|
260 |
|
/* vol estimation header */ |
261 |
|
static void |
262 |
|
read_vol_complexity_estimation_header(Bitstream * bs, DECODER * dec) |
263 |
|
{ |
264 |
|
ESTIMATION * e = &dec->estimation; |
265 |
|
|
266 |
|
e->method = BitstreamGetBits(bs, 2); /* estimation_method */ |
267 |
|
DPRINTF(DPRINTF_HEADER,"+ complexity_estimation_header; method=%i", e->method); |
268 |
|
|
269 |
|
if (e->method == 0 || e->method == 1) |
270 |
|
{ |
271 |
|
if (!BitstreamGetBit(bs)) /* shape_complexity_estimation_disable */ |
272 |
|
{ |
273 |
|
e->opaque = BitstreamGetBit(bs); /* opaque */ |
274 |
|
e->transparent = BitstreamGetBit(bs); /* transparent */ |
275 |
|
e->intra_cae = BitstreamGetBit(bs); /* intra_cae */ |
276 |
|
e->inter_cae = BitstreamGetBit(bs); /* inter_cae */ |
277 |
|
e->no_update = BitstreamGetBit(bs); /* no_update */ |
278 |
|
e->upsampling = BitstreamGetBit(bs); /* upsampling */ |
279 |
|
} |
280 |
|
|
281 |
|
if (!BitstreamGetBit(bs)) /* texture_complexity_estimation_set_1_disable */ |
282 |
|
{ |
283 |
|
e->intra_blocks = BitstreamGetBit(bs); /* intra_blocks */ |
284 |
|
e->inter_blocks = BitstreamGetBit(bs); /* inter_blocks */ |
285 |
|
e->inter4v_blocks = BitstreamGetBit(bs); /* inter4v_blocks */ |
286 |
|
e->not_coded_blocks = BitstreamGetBit(bs); /* not_coded_blocks */ |
287 |
|
} |
288 |
|
} |
289 |
|
|
290 |
|
READ_MARKER(); |
291 |
|
|
292 |
|
if (!BitstreamGetBit(bs)) /* texture_complexity_estimation_set_2_disable */ |
293 |
|
{ |
294 |
|
e->dct_coefs = BitstreamGetBit(bs); /* dct_coefs */ |
295 |
|
e->dct_lines = BitstreamGetBit(bs); /* dct_lines */ |
296 |
|
e->vlc_symbols = BitstreamGetBit(bs); /* vlc_symbols */ |
297 |
|
e->vlc_bits = BitstreamGetBit(bs); /* vlc_bits */ |
298 |
|
} |
299 |
|
|
300 |
|
if (!BitstreamGetBit(bs)) /* motion_compensation_complexity_disable */ |
301 |
|
{ |
302 |
|
e->apm = BitstreamGetBit(bs); /* apm */ |
303 |
|
e->npm = BitstreamGetBit(bs); /* npm */ |
304 |
|
e->interpolate_mc_q = BitstreamGetBit(bs); /* interpolate_mc_q */ |
305 |
|
e->forw_back_mc_q = BitstreamGetBit(bs); /* forw_back_mc_q */ |
306 |
|
e->halfpel2 = BitstreamGetBit(bs); /* halfpel2 */ |
307 |
|
e->halfpel4 = BitstreamGetBit(bs); /* halfpel4 */ |
308 |
|
} |
309 |
|
|
310 |
|
READ_MARKER(); |
311 |
|
|
312 |
|
if (e->method == 1) |
313 |
|
{ |
314 |
|
if (!BitstreamGetBit(bs)) /* version2_complexity_estimation_disable */ |
315 |
|
{ |
316 |
|
e->sadct = BitstreamGetBit(bs); /* sadct */ |
317 |
|
e->quarterpel = BitstreamGetBit(bs); /* quarterpel */ |
318 |
|
} |
319 |
|
} |
320 |
|
} |
321 |
|
|
322 |
|
|
323 |
|
/* vop estimation header */ |
324 |
|
static void |
325 |
|
read_vop_complexity_estimation_header(Bitstream * bs, DECODER * dec, int coding_type) |
326 |
|
{ |
327 |
|
ESTIMATION * e = &dec->estimation; |
328 |
|
|
329 |
|
if (e->method == 0 || e->method == 1) |
330 |
|
{ |
331 |
|
if (coding_type == I_VOP) { |
332 |
|
if (e->opaque) BitstreamSkip(bs, 8); /* dcecs_opaque */ |
333 |
|
if (e->transparent) BitstreamSkip(bs, 8); /* */ |
334 |
|
if (e->intra_cae) BitstreamSkip(bs, 8); /* */ |
335 |
|
if (e->inter_cae) BitstreamSkip(bs, 8); /* */ |
336 |
|
if (e->no_update) BitstreamSkip(bs, 8); /* */ |
337 |
|
if (e->upsampling) BitstreamSkip(bs, 8); /* */ |
338 |
|
if (e->intra_blocks) BitstreamSkip(bs, 8); /* */ |
339 |
|
if (e->not_coded_blocks) BitstreamSkip(bs, 8); /* */ |
340 |
|
if (e->dct_coefs) BitstreamSkip(bs, 8); /* */ |
341 |
|
if (e->dct_lines) BitstreamSkip(bs, 8); /* */ |
342 |
|
if (e->vlc_symbols) BitstreamSkip(bs, 8); /* */ |
343 |
|
if (e->vlc_bits) BitstreamSkip(bs, 8); /* */ |
344 |
|
if (e->sadct) BitstreamSkip(bs, 8); /* */ |
345 |
|
} |
346 |
|
|
347 |
|
if (coding_type == P_VOP) { |
348 |
|
if (e->opaque) BitstreamSkip(bs, 8); /* */ |
349 |
|
if (e->transparent) BitstreamSkip(bs, 8); /* */ |
350 |
|
if (e->intra_cae) BitstreamSkip(bs, 8); /* */ |
351 |
|
if (e->inter_cae) BitstreamSkip(bs, 8); /* */ |
352 |
|
if (e->no_update) BitstreamSkip(bs, 8); /* */ |
353 |
|
if (e->upsampling) BitstreamSkip(bs, 8); /* */ |
354 |
|
if (e->intra_blocks) BitstreamSkip(bs, 8); /* */ |
355 |
|
if (e->not_coded_blocks) BitstreamSkip(bs, 8); /* */ |
356 |
|
if (e->dct_coefs) BitstreamSkip(bs, 8); /* */ |
357 |
|
if (e->dct_lines) BitstreamSkip(bs, 8); /* */ |
358 |
|
if (e->vlc_symbols) BitstreamSkip(bs, 8); /* */ |
359 |
|
if (e->vlc_bits) BitstreamSkip(bs, 8); /* */ |
360 |
|
if (e->inter_blocks) BitstreamSkip(bs, 8); /* */ |
361 |
|
if (e->inter4v_blocks) BitstreamSkip(bs, 8); /* */ |
362 |
|
if (e->apm) BitstreamSkip(bs, 8); /* */ |
363 |
|
if (e->npm) BitstreamSkip(bs, 8); /* */ |
364 |
|
if (e->forw_back_mc_q) BitstreamSkip(bs, 8); /* */ |
365 |
|
if (e->halfpel2) BitstreamSkip(bs, 8); /* */ |
366 |
|
if (e->halfpel4) BitstreamSkip(bs, 8); /* */ |
367 |
|
if (e->sadct) BitstreamSkip(bs, 8); /* */ |
368 |
|
if (e->quarterpel) BitstreamSkip(bs, 8); /* */ |
369 |
|
} |
370 |
|
if (coding_type == B_VOP) { |
371 |
|
if (e->opaque) BitstreamSkip(bs, 8); /* */ |
372 |
|
if (e->transparent) BitstreamSkip(bs, 8); /* */ |
373 |
|
if (e->intra_cae) BitstreamSkip(bs, 8); /* */ |
374 |
|
if (e->inter_cae) BitstreamSkip(bs, 8); /* */ |
375 |
|
if (e->no_update) BitstreamSkip(bs, 8); /* */ |
376 |
|
if (e->upsampling) BitstreamSkip(bs, 8); /* */ |
377 |
|
if (e->intra_blocks) BitstreamSkip(bs, 8); /* */ |
378 |
|
if (e->not_coded_blocks) BitstreamSkip(bs, 8); /* */ |
379 |
|
if (e->dct_coefs) BitstreamSkip(bs, 8); /* */ |
380 |
|
if (e->dct_lines) BitstreamSkip(bs, 8); /* */ |
381 |
|
if (e->vlc_symbols) BitstreamSkip(bs, 8); /* */ |
382 |
|
if (e->vlc_bits) BitstreamSkip(bs, 8); /* */ |
383 |
|
if (e->inter_blocks) BitstreamSkip(bs, 8); /* */ |
384 |
|
if (e->inter4v_blocks) BitstreamSkip(bs, 8); /* */ |
385 |
|
if (e->apm) BitstreamSkip(bs, 8); /* */ |
386 |
|
if (e->npm) BitstreamSkip(bs, 8); /* */ |
387 |
|
if (e->forw_back_mc_q) BitstreamSkip(bs, 8); /* */ |
388 |
|
if (e->halfpel2) BitstreamSkip(bs, 8); /* */ |
389 |
|
if (e->halfpel4) BitstreamSkip(bs, 8); /* */ |
390 |
|
if (e->interpolate_mc_q) BitstreamSkip(bs, 8); /* */ |
391 |
|
if (e->sadct) BitstreamSkip(bs, 8); /* */ |
392 |
|
if (e->quarterpel) BitstreamSkip(bs, 8); /* */ |
393 |
|
} |
394 |
|
|
395 |
|
if (coding_type == S_VOP && dec->sprite_enable == SPRITE_STATIC) { |
396 |
|
if (e->intra_blocks) BitstreamSkip(bs, 8); /* */ |
397 |
|
if (e->not_coded_blocks) BitstreamSkip(bs, 8); /* */ |
398 |
|
if (e->dct_coefs) BitstreamSkip(bs, 8); /* */ |
399 |
|
if (e->dct_lines) BitstreamSkip(bs, 8); /* */ |
400 |
|
if (e->vlc_symbols) BitstreamSkip(bs, 8); /* */ |
401 |
|
if (e->vlc_bits) BitstreamSkip(bs, 8); /* */ |
402 |
|
if (e->inter_blocks) BitstreamSkip(bs, 8); /* */ |
403 |
|
if (e->inter4v_blocks) BitstreamSkip(bs, 8); /* */ |
404 |
|
if (e->apm) BitstreamSkip(bs, 8); /* */ |
405 |
|
if (e->npm) BitstreamSkip(bs, 8); /* */ |
406 |
|
if (e->forw_back_mc_q) BitstreamSkip(bs, 8); /* */ |
407 |
|
if (e->halfpel2) BitstreamSkip(bs, 8); /* */ |
408 |
|
if (e->halfpel4) BitstreamSkip(bs, 8); /* */ |
409 |
|
if (e->interpolate_mc_q) BitstreamSkip(bs, 8); /* */ |
410 |
|
} |
411 |
|
} |
412 |
|
} |
413 |
|
|
414 |
|
|
415 |
|
|
416 |
|
|
417 |
|
|
418 |
/* |
/* |
419 |
decode headers |
decode headers |
420 |
returns coding_type, or -1 if error |
returns coding_type, or -1 if error |
464 |
DPRINTF(DPRINTF_STARTCODE, "</visual_object_sequence>"); |
DPRINTF(DPRINTF_STARTCODE, "</visual_object_sequence>"); |
465 |
|
|
466 |
} else if (start_code == VISOBJ_START_CODE) { |
} else if (start_code == VISOBJ_START_CODE) { |
467 |
|
int visobj_ver_id; |
468 |
|
|
469 |
DPRINTF(DPRINTF_STARTCODE, "<visual_object>"); |
DPRINTF(DPRINTF_STARTCODE, "<visual_object>"); |
470 |
|
|
471 |
BitstreamSkip(bs, 32); // visual_object_start_code |
BitstreamSkip(bs, 32); // visual_object_start_code |
472 |
if (BitstreamGetBit(bs)) // is_visual_object_identified |
if (BitstreamGetBit(bs)) // is_visual_object_identified |
473 |
{ |
{ |
474 |
vol_ver_id = BitstreamGetBits(bs, 4); // visual_object_ver_id |
visobj_ver_id = BitstreamGetBits(bs, 4); // visual_object_ver_id |
475 |
DPRINTF(DPRINTF_HEADER,"ver_id %i", vol_ver_id); |
DPRINTF(DPRINTF_HEADER,"ver_id %i", vol_ver_id); |
476 |
BitstreamSkip(bs, 3); // visual_object_priority |
BitstreamSkip(bs, 3); // visual_object_priority |
477 |
} else { |
} else { |
478 |
vol_ver_id = 1; |
visobj_ver_id = 1; |
479 |
} |
} |
480 |
|
|
481 |
if (BitstreamShowBits(bs, 4) != VISOBJ_TYPE_VIDEO) // visual_object_type |
if (BitstreamShowBits(bs, 4) != VISOBJ_TYPE_VIDEO) // visual_object_type |
571 |
BitstreamSkip(bs, 15); // latter_half_vbv_occupancy |
BitstreamSkip(bs, 15); // latter_half_vbv_occupancy |
572 |
READ_MARKER(); |
READ_MARKER(); |
573 |
} |
} |
574 |
|
}else{ |
575 |
|
dec->low_delay = dec->low_delay_default; |
576 |
} |
} |
577 |
|
|
578 |
dec->shape = BitstreamGetBits(bs, 2); // video_object_layer_shape |
dec->shape = BitstreamGetBits(bs, 2); // video_object_layer_shape |
740 |
dec->quarterpel = 0; |
dec->quarterpel = 0; |
741 |
|
|
742 |
|
|
743 |
if (!BitstreamGetBit(bs)) // complexity_estimation_disable |
dec->complexity_estimation_disable = BitstreamGetBit(bs); /* complexity estimation disable */ |
744 |
|
if (!dec->complexity_estimation_disable) |
745 |
{ |
{ |
746 |
DPRINTF(DPRINTF_ERROR, "complexity_estimation not supported"); |
read_vol_complexity_estimation_header(bs, dec); |
|
return -1; |
|
747 |
} |
} |
748 |
|
|
749 |
BitstreamSkip(bs, 1); // resync_marker_disable |
BitstreamSkip(bs, 1); // resync_marker_disable |
762 |
BitstreamSkip(bs, 2); // requested_upstream_message_type |
BitstreamSkip(bs, 2); // requested_upstream_message_type |
763 |
BitstreamSkip(bs, 1); // newpred_segment_type |
BitstreamSkip(bs, 1); // newpred_segment_type |
764 |
} |
} |
765 |
dec->reduced_resolution_enable = BitstreamGetBit(bs); |
dec->reduced_resolution_enable = BitstreamGetBit(bs); /* reduced_resolution_vop_enable */ |
766 |
if (dec->reduced_resolution_enable) // reduced_resolution_vop_enable |
DPRINTF(DPRINTF_HEADER, "reduced_resolution_enable %i", dec->reduced_resolution_enable); |
|
{ |
|
|
DPRINTF(DPRINTF_ERROR, "reduced_resolution_vop not supported"); |
|
|
//return -1; |
|
|
} |
|
767 |
} |
} |
768 |
else |
else |
769 |
{ |
{ |
771 |
dec->reduced_resolution_enable = 0; |
dec->reduced_resolution_enable = 0; |
772 |
} |
} |
773 |
|
|
774 |
if ((dec->scalability = BitstreamGetBit(bs))) // scalability |
dec->scalability = BitstreamGetBit(bs); /* scalability */ |
775 |
|
if (dec->scalability) |
776 |
{ |
{ |
777 |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
778 |
|
BitstreamSkip(bs, 1); /* hierarchy_type */ |
779 |
|
BitstreamSkip(bs, 4); /* ref_layer_id */ |
780 |
|
BitstreamSkip(bs, 1); /* ref_layer_sampling_direc */ |
781 |
|
BitstreamSkip(bs, 5); /* hor_sampling_factor_n */ |
782 |
|
BitstreamSkip(bs, 5); /* hor_sampling_factor_m */ |
783 |
|
BitstreamSkip(bs, 5); /* vert_sampling_factor_n */ |
784 |
|
BitstreamSkip(bs, 5); /* vert_sampling_factor_m */ |
785 |
|
BitstreamSkip(bs, 1); /* enhancement_type */ |
786 |
|
if(dec->shape == VIDOBJLAY_SHAPE_BINARY /* && hierarchy_type==0 */) { |
787 |
|
BitstreamSkip(bs, 1); /* use_ref_shape */ |
788 |
|
BitstreamSkip(bs, 1); /* use_ref_texture */ |
789 |
|
BitstreamSkip(bs, 5); /* shape_hor_sampling_factor_n */ |
790 |
|
BitstreamSkip(bs, 5); /* shape_hor_sampling_factor_m */ |
791 |
|
BitstreamSkip(bs, 5); /* shape_vert_sampling_factor_n */ |
792 |
|
BitstreamSkip(bs, 5); /* shape_vert_sampling_factor_m */ |
793 |
|
} |
794 |
return -1; |
return -1; |
795 |
} |
} |
796 |
} else // dec->shape == BINARY_ONLY |
} else // dec->shape == BINARY_ONLY |
797 |
{ |
{ |
798 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
799 |
if (BitstreamGetBit(bs)) // scalability |
dec->scalability = BitstreamGetBit(bs); /* scalability */ |
800 |
|
if (dec->scalability) |
801 |
{ |
{ |
802 |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
803 |
|
BitstreamSkip(bs, 4); /* ref_layer_id */ |
804 |
|
BitstreamSkip(bs, 5); /* hor_sampling_factor_n */ |
805 |
|
BitstreamSkip(bs, 5); /* hor_sampling_factor_m */ |
806 |
|
BitstreamSkip(bs, 5); /* vert_sampling_factor_n */ |
807 |
|
BitstreamSkip(bs, 5); /* vert_sampling_factor_m */ |
808 |
return -1; |
return -1; |
809 |
} |
} |
810 |
} |
} |
877 |
dec->time_bp = (uint32_t) |
dec->time_bp = (uint32_t) |
878 |
(dec->time_inc_resolution + dec->last_non_b_time - dec->time)%dec->time_inc_resolution; |
(dec->time_inc_resolution + dec->last_non_b_time - dec->time)%dec->time_inc_resolution; |
879 |
} |
} |
880 |
|
DPRINTF(DPRINTF_HEADER,"time_pp=%i", dec->time_pp); |
881 |
|
DPRINTF(DPRINTF_HEADER,"time_bp=%i", dec->time_bp); |
882 |
|
|
883 |
READ_MARKER(); |
READ_MARKER(); |
884 |
|
|
917 |
(coding_type == P_VOP || coding_type == I_VOP)) { |
(coding_type == P_VOP || coding_type == I_VOP)) { |
918 |
|
|
919 |
*reduced_resolution = BitstreamGetBit(bs); |
*reduced_resolution = BitstreamGetBit(bs); |
920 |
|
DPRINTF(DPRINTF_HEADER, "reduced_resolution %i", *reduced_resolution); |
921 |
} |
} |
922 |
else |
else |
923 |
{ |
{ |
953 |
} |
} |
954 |
|
|
955 |
if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) { |
if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) { |
956 |
|
|
957 |
|
if (!dec->complexity_estimation_disable) |
958 |
|
{ |
959 |
|
read_vop_complexity_estimation_header(bs, dec, coding_type); |
960 |
|
} |
961 |
|
|
962 |
// intra_dc_vlc_threshold |
// intra_dc_vlc_threshold |
963 |
*intra_dc_threshold = |
*intra_dc_threshold = |
964 |
intra_dc_threshold_table[BitstreamGetBits(bs, 3)]; |
intra_dc_threshold_table[BitstreamGetBits(bs, 3)]; |
1040 |
return coding_type; |
return coding_type; |
1041 |
|
|
1042 |
} else if (start_code == USERDATA_START_CODE) { |
} else if (start_code == USERDATA_START_CODE) { |
1043 |
|
char tmp[256]; |
1044 |
DPRINTF(DPRINTF_STARTCODE, "<user_data>"); |
int i, version, build; |
1045 |
|
char packed; |
1046 |
|
|
1047 |
BitstreamSkip(bs, 32); // user_data_start_code |
BitstreamSkip(bs, 32); // user_data_start_code |
1048 |
|
|
1049 |
|
tmp[0] = BitstreamShowBits(bs, 8); |
1050 |
|
|
1051 |
|
for(i = 1; i < 256; i++){ |
1052 |
|
tmp[i] = (BitstreamShowBits(bs, 16) & 0xFF); |
1053 |
|
|
1054 |
|
if(tmp[i] == 0) |
1055 |
|
break; |
1056 |
|
|
1057 |
|
BitstreamSkip(bs, 8); |
1058 |
|
} |
1059 |
|
|
1060 |
|
DPRINTF(DPRINTF_STARTCODE, "<user_data>: %s\n", tmp); |
1061 |
|
|
1062 |
|
/* divx detection */ |
1063 |
|
i = sscanf(tmp, "DivX%dBuild%d%c", &version, &build, &packed); |
1064 |
|
if (i < 2) |
1065 |
|
i = sscanf(tmp, "DivX%db%d%c", &version, &build, &packed); |
1066 |
|
|
1067 |
|
if (i >= 2) |
1068 |
|
{ |
1069 |
|
dec->packed_mode = (i == 3 && packed == 'p'); |
1070 |
|
DPRINTF(DPRINTF_HEADER, "divx version=%i, build=%i packed=%i", |
1071 |
|
version, build, dec->packed_mode); |
1072 |
|
} |
1073 |
|
|
1074 |
} else // start_code == ? |
} else // start_code == ? |
1075 |
{ |
{ |
1076 |
if (BitstreamShowBits(bs, 24) == 0x000001) { |
if (BitstreamShowBits(bs, 24) == 0x000001) { |
1115 |
const MBParam * pParam, |
const MBParam * pParam, |
1116 |
const FRAMEINFO * const frame) |
const FRAMEINFO * const frame) |
1117 |
{ |
{ |
1118 |
|
static const unsigned int vo_id = 0; |
1119 |
|
static const unsigned int vol_id = 0; |
1120 |
int vol_ver_id=1; |
int vol_ver_id=1; |
1121 |
|
int profile = 0x03; /* simple profile/level 3 */ |
1122 |
|
|
1123 |
if ( (pParam->m_quarterpel) || (frame->global_flags & XVID_GMC) ) |
if ( pParam->m_quarterpel || (frame->global_flags & XVID_GMC) || |
1124 |
|
(pParam->global & XVID_GLOBAL_REDUCED)) |
1125 |
vol_ver_id = 2; |
vol_ver_id = 2; |
1126 |
|
|
1127 |
|
if ((pParam->global & XVID_GLOBAL_REDUCED)) |
1128 |
|
profile = 0x93; /* advanced realtime simple profile/level 3 */ |
1129 |
|
|
1130 |
|
if (pParam->m_quarterpel || (frame->global_flags & XVID_GMC)) |
1131 |
|
profile = 0xf3; /* advanced simple profile/level 2 */ |
1132 |
|
|
1133 |
|
// visual_object_sequence_start_code |
1134 |
|
BitstreamPad(bs); |
1135 |
|
BitstreamPutBits(bs, VISOBJSEQ_START_CODE, 32); |
1136 |
|
BitstreamPutBits(bs, profile, 8); |
1137 |
|
|
1138 |
|
// visual_object_start_code |
1139 |
|
BitstreamPad(bs); |
1140 |
|
BitstreamPutBits(bs, VISOBJ_START_CODE, 32); |
1141 |
|
BitstreamPutBits(bs, 0, 1); // is_visual_object_identifier |
1142 |
|
BitstreamPutBits(bs, VISOBJ_TYPE_VIDEO, 4); // visual_object_type |
1143 |
|
|
1144 |
// video object_start_code & vo_id |
// video object_start_code & vo_id |
1145 |
BitstreamPad(bs); |
BitstreamPad(bs); |
1146 |
BitstreamPutBits(bs, VO_START_CODE, 27); |
BitstreamPutBits(bs, VIDOBJ_START_CODE|(vo_id&0x5), 32); |
|
BitstreamPutBits(bs, 0, 5); |
|
1147 |
|
|
1148 |
// video_object_layer_start_code & vol_id |
// video_object_layer_start_code & vol_id |
1149 |
BitstreamPutBits(bs, VOL_START_CODE, 28); |
BitstreamPutBits(bs, VIDOBJLAY_START_CODE|(vol_id&0x4), 32); |
|
BitstreamPutBits(bs, 0, 4); |
|
1150 |
|
|
1151 |
BitstreamPutBit(bs, 0); // random_accessible_vol |
BitstreamPutBit(bs, 0); // random_accessible_vol |
1152 |
BitstreamPutBits(bs, 0, 8); // video_object_type_indication |
BitstreamPutBits(bs, 0, 8); // video_object_type_indication |
1248 |
if (vol_ver_id != 1) |
if (vol_ver_id != 1) |
1249 |
{ |
{ |
1250 |
BitstreamPutBit(bs, 0); // newpred_enable |
BitstreamPutBit(bs, 0); // newpred_enable |
1251 |
BitstreamPutBit(bs, 0); // reduced_resolution_vop_enabled |
|
1252 |
|
BitstreamPutBit(bs, (pParam->global & XVID_GLOBAL_REDUCED)?1:0); |
1253 |
|
/* reduced_resolution_vop_enabled */ |
1254 |
} |
} |
1255 |
|
|
1256 |
BitstreamPutBit(bs, 0); // scalability |
BitstreamPutBit(bs, 0); // scalability |
1262 |
write vop header |
write vop header |
1263 |
*/ |
*/ |
1264 |
void |
void |
1265 |
BitstreamWriteVopHeader(Bitstream * const bs, |
BitstreamWriteVopHeader( |
1266 |
|
Bitstream * const bs, |
1267 |
const MBParam * pParam, |
const MBParam * pParam, |
1268 |
const FRAMEINFO * const frame, |
const FRAMEINFO * const frame, |
1269 |
int vop_coded) |
int vop_coded) |
1302 |
if ( (frame->coding_type == P_VOP) || (frame->coding_type == S_VOP) ) |
if ( (frame->coding_type == P_VOP) || (frame->coding_type == S_VOP) ) |
1303 |
BitstreamPutBits(bs, frame->rounding_type, 1); |
BitstreamPutBits(bs, frame->rounding_type, 1); |
1304 |
|
|
1305 |
|
if ((pParam->global & XVID_GLOBAL_REDUCED)) |
1306 |
|
BitstreamPutBit(bs, (frame->global_flags & XVID_REDUCED)?1:0); |
1307 |
|
|
1308 |
BitstreamPutBits(bs, 0, 3); // intra_dc_vlc_threshold |
BitstreamPutBits(bs, 0, 3); // intra_dc_vlc_threshold |
1309 |
|
|
1310 |
if (frame->global_flags & XVID_INTERLACING) { |
if (frame->global_flags & XVID_INTERLACING) { |
1348 |
// no support for brightness_change! |
// no support for brightness_change! |
1349 |
} |
} |
1350 |
|
|
1351 |
|
|
1352 |
|
DPRINTF(DPRINTF_HEADER, "quant = %i", frame->quant); |
1353 |
|
|
1354 |
BitstreamPutBits(bs, frame->quant, 5); // quantizer |
BitstreamPutBits(bs, frame->quant, 5); // quantizer |
1355 |
|
|
1356 |
if (frame->coding_type != I_VOP) |
if (frame->coding_type != I_VOP) |