77 |
log2bin(uint32_t value) |
log2bin(uint32_t value) |
78 |
{ |
{ |
79 |
/* Changed by Chenm001 */ |
/* Changed by Chenm001 */ |
80 |
#ifndef WIN32 |
#if !defined(_MSC_VER) |
81 |
int n = 0; |
int n = 0; |
82 |
|
|
83 |
while (value) { |
while (value) { |
216 |
dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR && |
dec->shape == VIDOBJLAY_SHAPE_RECTANGULAR && |
217 |
(coding_type == P_VOP || coding_type == I_VOP)) |
(coding_type == P_VOP || coding_type == I_VOP)) |
218 |
{ |
{ |
219 |
BitstreamSkip(bs, 1); /* vop_reduced_resolution */ |
BitstreamSkip(bs, 1); /* XXX: vop_reduced_resolution */ |
220 |
} |
} |
221 |
|
|
222 |
if (coding_type != I_VOP && fcode_forward) |
if (coding_type != I_VOP && fcode_forward) |
254 |
|
|
255 |
|
|
256 |
|
|
257 |
|
|
258 |
|
/* vol estimation header */ |
259 |
|
static void |
260 |
|
read_vol_complexity_estimation_header(Bitstream * bs, DECODER * dec) |
261 |
|
{ |
262 |
|
ESTIMATION * e = &dec->estimation; |
263 |
|
|
264 |
|
e->method = BitstreamGetBits(bs, 2); /* estimation_method */ |
265 |
|
DPRINTF(DPRINTF_HEADER,"+ complexity_estimation_header; method=%i", e->method); |
266 |
|
|
267 |
|
if (e->method == 0 || e->method == 1) |
268 |
|
{ |
269 |
|
if (!BitstreamGetBit(bs)) /* shape_complexity_estimation_disable */ |
270 |
|
{ |
271 |
|
e->opaque = BitstreamGetBit(bs); /* opaque */ |
272 |
|
e->transparent = BitstreamGetBit(bs); /* transparent */ |
273 |
|
e->intra_cae = BitstreamGetBit(bs); /* intra_cae */ |
274 |
|
e->inter_cae = BitstreamGetBit(bs); /* inter_cae */ |
275 |
|
e->no_update = BitstreamGetBit(bs); /* no_update */ |
276 |
|
e->upsampling = BitstreamGetBit(bs); /* upsampling */ |
277 |
|
} |
278 |
|
|
279 |
|
if (!BitstreamGetBit(bs)) /* texture_complexity_estimation_set_1_disable */ |
280 |
|
{ |
281 |
|
e->intra_blocks = BitstreamGetBit(bs); /* intra_blocks */ |
282 |
|
e->inter_blocks = BitstreamGetBit(bs); /* inter_blocks */ |
283 |
|
e->inter4v_blocks = BitstreamGetBit(bs); /* inter4v_blocks */ |
284 |
|
e->not_coded_blocks = BitstreamGetBit(bs); /* not_coded_blocks */ |
285 |
|
} |
286 |
|
} |
287 |
|
|
288 |
|
READ_MARKER(); |
289 |
|
|
290 |
|
if (!BitstreamGetBit(bs)) /* texture_complexity_estimation_set_2_disable */ |
291 |
|
{ |
292 |
|
e->dct_coefs = BitstreamGetBit(bs); /* dct_coefs */ |
293 |
|
e->dct_lines = BitstreamGetBit(bs); /* dct_lines */ |
294 |
|
e->vlc_symbols = BitstreamGetBit(bs); /* vlc_symbols */ |
295 |
|
e->vlc_bits = BitstreamGetBit(bs); /* vlc_bits */ |
296 |
|
} |
297 |
|
|
298 |
|
if (!BitstreamGetBit(bs)) /* motion_compensation_complexity_disable */ |
299 |
|
{ |
300 |
|
e->apm = BitstreamGetBit(bs); /* apm */ |
301 |
|
e->npm = BitstreamGetBit(bs); /* npm */ |
302 |
|
e->interpolate_mc_q = BitstreamGetBit(bs); /* interpolate_mc_q */ |
303 |
|
e->forw_back_mc_q = BitstreamGetBit(bs); /* forw_back_mc_q */ |
304 |
|
e->halfpel2 = BitstreamGetBit(bs); /* halfpel2 */ |
305 |
|
e->halfpel4 = BitstreamGetBit(bs); /* halfpel4 */ |
306 |
|
} |
307 |
|
|
308 |
|
READ_MARKER(); |
309 |
|
|
310 |
|
if (e->method == 1) |
311 |
|
{ |
312 |
|
if (!BitstreamGetBit(bs)) /* version2_complexity_estimation_disable */ |
313 |
|
{ |
314 |
|
e->sadct = BitstreamGetBit(bs); /* sadct */ |
315 |
|
e->quarterpel = BitstreamGetBit(bs); /* quarterpel */ |
316 |
|
} |
317 |
|
} |
318 |
|
} |
319 |
|
|
320 |
|
|
321 |
|
/* vop estimation header */ |
322 |
|
static void |
323 |
|
read_vop_complexity_estimation_header(Bitstream * bs, DECODER * dec, int coding_type) |
324 |
|
{ |
325 |
|
ESTIMATION * e = &dec->estimation; |
326 |
|
|
327 |
|
if (e->method == 0) |
328 |
|
{ |
329 |
|
if (coding_type == I_VOP) { |
330 |
|
if (e->opaque) BitstreamSkip(bs, 8); /* dcecs_opaque */ |
331 |
|
if (e->transparent) BitstreamSkip(bs, 8); /* */ |
332 |
|
if (e->intra_cae) BitstreamSkip(bs, 8); /* */ |
333 |
|
if (e->inter_cae) BitstreamSkip(bs, 8); /* */ |
334 |
|
if (e->no_update) BitstreamSkip(bs, 8); /* */ |
335 |
|
if (e->upsampling) BitstreamSkip(bs, 8); /* */ |
336 |
|
if (e->intra_blocks) BitstreamSkip(bs, 8); /* */ |
337 |
|
if (e->not_coded_blocks) BitstreamSkip(bs, 8); /* */ |
338 |
|
if (e->dct_coefs) BitstreamSkip(bs, 8); /* */ |
339 |
|
if (e->dct_lines) BitstreamSkip(bs, 8); /* */ |
340 |
|
if (e->vlc_symbols) BitstreamSkip(bs, 8); /* */ |
341 |
|
if (e->vlc_bits) BitstreamSkip(bs, 8); /* */ |
342 |
|
if (e->sadct) BitstreamSkip(bs, 8); /* */ |
343 |
|
} |
344 |
|
|
345 |
|
if (coding_type == P_VOP) { |
346 |
|
if (e->opaque) BitstreamSkip(bs, 8); /* */ |
347 |
|
if (e->transparent) BitstreamSkip(bs, 8); /* */ |
348 |
|
if (e->intra_cae) BitstreamSkip(bs, 8); /* */ |
349 |
|
if (e->inter_cae) BitstreamSkip(bs, 8); /* */ |
350 |
|
if (e->no_update) BitstreamSkip(bs, 8); /* */ |
351 |
|
if (e->upsampling) BitstreamSkip(bs, 8); /* */ |
352 |
|
if (e->intra_blocks) BitstreamSkip(bs, 8); /* */ |
353 |
|
if (e->not_coded_blocks) BitstreamSkip(bs, 8); /* */ |
354 |
|
if (e->dct_coefs) BitstreamSkip(bs, 8); /* */ |
355 |
|
if (e->dct_lines) BitstreamSkip(bs, 8); /* */ |
356 |
|
if (e->vlc_symbols) BitstreamSkip(bs, 8); /* */ |
357 |
|
if (e->vlc_bits) BitstreamSkip(bs, 8); /* */ |
358 |
|
if (e->inter_blocks) BitstreamSkip(bs, 8); /* */ |
359 |
|
if (e->inter4v_blocks) BitstreamSkip(bs, 8); /* */ |
360 |
|
if (e->apm) BitstreamSkip(bs, 8); /* */ |
361 |
|
if (e->npm) BitstreamSkip(bs, 8); /* */ |
362 |
|
if (e->forw_back_mc_q) BitstreamSkip(bs, 8); /* */ |
363 |
|
if (e->halfpel2) BitstreamSkip(bs, 8); /* */ |
364 |
|
if (e->halfpel4) BitstreamSkip(bs, 8); /* */ |
365 |
|
if (e->sadct) BitstreamSkip(bs, 8); /* */ |
366 |
|
if (e->quarterpel) BitstreamSkip(bs, 8); /* */ |
367 |
|
} |
368 |
|
if (coding_type == B_VOP) { |
369 |
|
if (e->opaque) BitstreamSkip(bs, 8); /* */ |
370 |
|
if (e->transparent) BitstreamSkip(bs, 8); /* */ |
371 |
|
if (e->intra_cae) BitstreamSkip(bs, 8); /* */ |
372 |
|
if (e->inter_cae) BitstreamSkip(bs, 8); /* */ |
373 |
|
if (e->no_update) BitstreamSkip(bs, 8); /* */ |
374 |
|
if (e->upsampling) BitstreamSkip(bs, 8); /* */ |
375 |
|
if (e->intra_blocks) BitstreamSkip(bs, 8); /* */ |
376 |
|
if (e->not_coded_blocks) BitstreamSkip(bs, 8); /* */ |
377 |
|
if (e->dct_coefs) BitstreamSkip(bs, 8); /* */ |
378 |
|
if (e->dct_lines) BitstreamSkip(bs, 8); /* */ |
379 |
|
if (e->vlc_symbols) BitstreamSkip(bs, 8); /* */ |
380 |
|
if (e->vlc_bits) BitstreamSkip(bs, 8); /* */ |
381 |
|
if (e->inter_blocks) BitstreamSkip(bs, 8); /* */ |
382 |
|
if (e->inter4v_blocks) BitstreamSkip(bs, 8); /* */ |
383 |
|
if (e->apm) BitstreamSkip(bs, 8); /* */ |
384 |
|
if (e->npm) BitstreamSkip(bs, 8); /* */ |
385 |
|
if (e->forw_back_mc_q) BitstreamSkip(bs, 8); /* */ |
386 |
|
if (e->halfpel2) BitstreamSkip(bs, 8); /* */ |
387 |
|
if (e->halfpel4) BitstreamSkip(bs, 8); /* */ |
388 |
|
if (e->interpolate_mc_q) BitstreamSkip(bs, 8); /* */ |
389 |
|
if (e->sadct) BitstreamSkip(bs, 8); /* */ |
390 |
|
if (e->quarterpel) BitstreamSkip(bs, 8); /* */ |
391 |
|
} |
392 |
|
|
393 |
|
if (coding_type == S_VOP && dec->sprite_enable == SPRITE_STATIC) { |
394 |
|
if (e->intra_blocks) BitstreamSkip(bs, 8); /* */ |
395 |
|
if (e->not_coded_blocks) BitstreamSkip(bs, 8); /* */ |
396 |
|
if (e->dct_coefs) BitstreamSkip(bs, 8); /* */ |
397 |
|
if (e->dct_lines) BitstreamSkip(bs, 8); /* */ |
398 |
|
if (e->vlc_symbols) BitstreamSkip(bs, 8); /* */ |
399 |
|
if (e->vlc_bits) BitstreamSkip(bs, 8); /* */ |
400 |
|
if (e->inter_blocks) BitstreamSkip(bs, 8); /* */ |
401 |
|
if (e->inter4v_blocks) BitstreamSkip(bs, 8); /* */ |
402 |
|
if (e->apm) BitstreamSkip(bs, 8); /* */ |
403 |
|
if (e->npm) BitstreamSkip(bs, 8); /* */ |
404 |
|
if (e->forw_back_mc_q) BitstreamSkip(bs, 8); /* */ |
405 |
|
if (e->halfpel2) BitstreamSkip(bs, 8); /* */ |
406 |
|
if (e->halfpel4) BitstreamSkip(bs, 8); /* */ |
407 |
|
if (e->interpolate_mc_q) BitstreamSkip(bs, 8); /* */ |
408 |
|
} |
409 |
|
} |
410 |
|
} |
411 |
|
|
412 |
|
|
413 |
|
|
414 |
|
|
415 |
|
|
416 |
/* |
/* |
417 |
decode headers |
decode headers |
418 |
returns coding_type, or -1 if error |
returns coding_type, or -1 if error |
568 |
BitstreamSkip(bs, 15); // latter_half_vbv_occupancy |
BitstreamSkip(bs, 15); // latter_half_vbv_occupancy |
569 |
READ_MARKER(); |
READ_MARKER(); |
570 |
} |
} |
571 |
|
}else{ |
572 |
|
dec->low_delay = dec->low_delay_default; |
573 |
} |
} |
574 |
|
|
575 |
dec->shape = BitstreamGetBits(bs, 2); // video_object_layer_shape |
dec->shape = BitstreamGetBits(bs, 2); // video_object_layer_shape |
737 |
dec->quarterpel = 0; |
dec->quarterpel = 0; |
738 |
|
|
739 |
|
|
740 |
if (!BitstreamGetBit(bs)) // complexity_estimation_disable |
dec->complexity_estimation_disable = BitstreamGetBit(bs); /* complexity estimation disable */ |
741 |
|
if (!dec->complexity_estimation_disable) |
742 |
{ |
{ |
743 |
DPRINTF(DPRINTF_ERROR, "complexity_estimation not supported"); |
read_vol_complexity_estimation_header(bs, dec); |
|
return -1; |
|
744 |
} |
} |
745 |
|
|
746 |
BitstreamSkip(bs, 1); // resync_marker_disable |
BitstreamSkip(bs, 1); // resync_marker_disable |
759 |
BitstreamSkip(bs, 2); // requested_upstream_message_type |
BitstreamSkip(bs, 2); // requested_upstream_message_type |
760 |
BitstreamSkip(bs, 1); // newpred_segment_type |
BitstreamSkip(bs, 1); // newpred_segment_type |
761 |
} |
} |
762 |
dec->reduced_resolution_enable = BitstreamGetBit(bs); |
dec->reduced_resolution_enable = BitstreamGetBit(bs); /* reduced_resolution_vop_enable */ |
763 |
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; |
|
|
} |
|
764 |
} |
} |
765 |
else |
else |
766 |
{ |
{ |
768 |
dec->reduced_resolution_enable = 0; |
dec->reduced_resolution_enable = 0; |
769 |
} |
} |
770 |
|
|
771 |
if ((dec->scalability = BitstreamGetBit(bs))) // scalability |
dec->scalability = BitstreamGetBit(bs); /* scalability */ |
772 |
|
if (dec->scalability) |
773 |
{ |
{ |
774 |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
775 |
|
BitstreamSkip(bs, 1); /* hierarchy_type */ |
776 |
|
BitstreamSkip(bs, 4); /* ref_layer_id */ |
777 |
|
BitstreamSkip(bs, 1); /* ref_layer_sampling_direc */ |
778 |
|
BitstreamSkip(bs, 5); /* hor_sampling_factor_n */ |
779 |
|
BitstreamSkip(bs, 5); /* hor_sampling_factor_m */ |
780 |
|
BitstreamSkip(bs, 5); /* vert_sampling_factor_n */ |
781 |
|
BitstreamSkip(bs, 5); /* vert_sampling_factor_m */ |
782 |
|
BitstreamSkip(bs, 1); /* enhancement_type */ |
783 |
|
if(dec->shape == VIDOBJLAY_SHAPE_BINARY /* && hierarchy_type==0 */) { |
784 |
|
BitstreamSkip(bs, 1); /* use_ref_shape */ |
785 |
|
BitstreamSkip(bs, 1); /* use_ref_texture */ |
786 |
|
BitstreamSkip(bs, 5); /* shape_hor_sampling_factor_n */ |
787 |
|
BitstreamSkip(bs, 5); /* shape_hor_sampling_factor_m */ |
788 |
|
BitstreamSkip(bs, 5); /* shape_vert_sampling_factor_n */ |
789 |
|
BitstreamSkip(bs, 5); /* shape_vert_sampling_factor_m */ |
790 |
|
} |
791 |
return -1; |
return -1; |
792 |
} |
} |
793 |
} else // dec->shape == BINARY_ONLY |
} else // dec->shape == BINARY_ONLY |
794 |
{ |
{ |
795 |
if (vol_ver_id != 1) { |
if (vol_ver_id != 1) { |
796 |
if (BitstreamGetBit(bs)) // scalability |
dec->scalability = BitstreamGetBit(bs); /* scalability */ |
797 |
|
if (dec->scalability) |
798 |
{ |
{ |
799 |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
DPRINTF(DPRINTF_ERROR, "scalability not supported"); |
800 |
|
BitstreamSkip(bs, 4); /* ref_layer_id */ |
801 |
|
BitstreamSkip(bs, 5); /* hor_sampling_factor_n */ |
802 |
|
BitstreamSkip(bs, 5); /* hor_sampling_factor_m */ |
803 |
|
BitstreamSkip(bs, 5); /* vert_sampling_factor_n */ |
804 |
|
BitstreamSkip(bs, 5); /* vert_sampling_factor_m */ |
805 |
return -1; |
return -1; |
806 |
} |
} |
807 |
} |
} |
874 |
dec->time_bp = (uint32_t) |
dec->time_bp = (uint32_t) |
875 |
(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; |
876 |
} |
} |
877 |
|
DPRINTF(DPRINTF_HEADER,"time_pp=%i", dec->time_pp); |
878 |
|
DPRINTF(DPRINTF_HEADER,"time_bp=%i", dec->time_bp); |
879 |
|
|
880 |
READ_MARKER(); |
READ_MARKER(); |
881 |
|
|
914 |
(coding_type == P_VOP || coding_type == I_VOP)) { |
(coding_type == P_VOP || coding_type == I_VOP)) { |
915 |
|
|
916 |
*reduced_resolution = BitstreamGetBit(bs); |
*reduced_resolution = BitstreamGetBit(bs); |
917 |
|
DPRINTF(DPRINTF_HEADER, "reduced_resolution %i", *reduced_resolution); |
918 |
} |
} |
919 |
else |
else |
920 |
{ |
{ |
950 |
} |
} |
951 |
|
|
952 |
if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) { |
if (dec->shape != VIDOBJLAY_SHAPE_BINARY_ONLY) { |
953 |
|
|
954 |
|
if (!dec->complexity_estimation_disable) |
955 |
|
{ |
956 |
|
read_vop_complexity_estimation_header(bs, dec, coding_type); |
957 |
|
} |
958 |
|
|
959 |
// intra_dc_vlc_threshold |
// intra_dc_vlc_threshold |
960 |
*intra_dc_threshold = |
*intra_dc_threshold = |
961 |
intra_dc_threshold_table[BitstreamGetBits(bs, 3)]; |
intra_dc_threshold_table[BitstreamGetBits(bs, 3)]; |
1038 |
|
|
1039 |
} else if (start_code == USERDATA_START_CODE) { |
} else if (start_code == USERDATA_START_CODE) { |
1040 |
char tmp[256]; |
char tmp[256]; |
1041 |
int i; |
int i, version, build; |
1042 |
|
char packed; |
1043 |
|
|
1044 |
BitstreamSkip(bs, 32); // user_data_start_code |
BitstreamSkip(bs, 32); // user_data_start_code |
1045 |
|
|
1056 |
|
|
1057 |
DPRINTF(DPRINTF_STARTCODE, "<user_data>: %s\n", tmp); |
DPRINTF(DPRINTF_STARTCODE, "<user_data>: %s\n", tmp); |
1058 |
|
|
1059 |
if(strncmp(tmp, "DivX501b481p", 12) == 0) { |
/* divx detection */ |
1060 |
dec->packed_mode = 1; |
i = sscanf(tmp, "DivX%dBuild%d%c", &version, &build, &packed); |
1061 |
DPRINTF(DPRINTF_STARTCODE, "packed_mode = %d\n", dec->packed_mode); |
if (i < 2) |
1062 |
|
i = sscanf(tmp, "DivX%db%d%c", &version, &build, &packed); |
1063 |
|
|
1064 |
|
if (i >= 2) |
1065 |
|
{ |
1066 |
|
dec->packed_mode = (i == 3 && packed == 'p'); |
1067 |
|
DPRINTF(DPRINTF_HEADER, "divx version=%i, build=%i packed=%i", |
1068 |
|
version, build, dec->packed_mode); |
1069 |
} |
} |
1070 |
|
|
1071 |
} else // start_code == ? |
} else // start_code == ? |
1072 |
{ |
{ |
1073 |
if (BitstreamShowBits(bs, 24) == 0x000001) { |
if (BitstreamShowBits(bs, 24) == 0x000001) { |
1114 |
{ |
{ |
1115 |
int vol_ver_id=1; |
int vol_ver_id=1; |
1116 |
|
|
1117 |
if ( (pParam->m_quarterpel) || (frame->global_flags & XVID_GMC) ) |
if ( pParam->m_quarterpel || (frame->global_flags & XVID_GMC) || |
1118 |
|
(pParam->global & XVID_GLOBAL_REDUCED)) |
1119 |
vol_ver_id = 2; |
vol_ver_id = 2; |
1120 |
|
|
1121 |
// video object_start_code & vo_id |
// video object_start_code & vo_id |
1227 |
if (vol_ver_id != 1) |
if (vol_ver_id != 1) |
1228 |
{ |
{ |
1229 |
BitstreamPutBit(bs, 0); // newpred_enable |
BitstreamPutBit(bs, 0); // newpred_enable |
1230 |
BitstreamPutBit(bs, 0); // reduced_resolution_vop_enabled |
|
1231 |
|
BitstreamPutBit(bs, (pParam->global & XVID_GLOBAL_REDUCED)?1:0); |
1232 |
|
/* reduced_resolution_vop_enabled */ |
1233 |
} |
} |
1234 |
|
|
1235 |
BitstreamPutBit(bs, 0); // scalability |
BitstreamPutBit(bs, 0); // scalability |
1241 |
write vop header |
write vop header |
1242 |
*/ |
*/ |
1243 |
void |
void |
1244 |
BitstreamWriteVopHeader(Bitstream * const bs, |
BitstreamWriteVopHeader( |
1245 |
|
Bitstream * const bs, |
1246 |
const MBParam * pParam, |
const MBParam * pParam, |
1247 |
const FRAMEINFO * const frame, |
const FRAMEINFO * const frame, |
1248 |
int vop_coded) |
int vop_coded) |
1281 |
if ( (frame->coding_type == P_VOP) || (frame->coding_type == S_VOP) ) |
if ( (frame->coding_type == P_VOP) || (frame->coding_type == S_VOP) ) |
1282 |
BitstreamPutBits(bs, frame->rounding_type, 1); |
BitstreamPutBits(bs, frame->rounding_type, 1); |
1283 |
|
|
1284 |
|
if ((pParam->global & XVID_GLOBAL_REDUCED)) |
1285 |
|
BitstreamPutBit(bs, (frame->global_flags & XVID_REDUCED)?1:0); |
1286 |
|
|
1287 |
BitstreamPutBits(bs, 0, 3); // intra_dc_vlc_threshold |
BitstreamPutBits(bs, 0, 3); // intra_dc_vlc_threshold |
1288 |
|
|
1289 |
if (frame->global_flags & XVID_INTERLACING) { |
if (frame->global_flags & XVID_INTERLACING) { |
1327 |
// no support for brightness_change! |
// no support for brightness_change! |
1328 |
} |
} |
1329 |
|
|
1330 |
|
|
1331 |
|
DPRINTF(DPRINTF_HEADER, "quant = %i", frame->quant); |
1332 |
|
|
1333 |
BitstreamPutBits(bs, frame->quant, 5); // quantizer |
BitstreamPutBits(bs, frame->quant, 5); // quantizer |
1334 |
|
|
1335 |
if (frame->coding_type != I_VOP) |
if (frame->coding_type != I_VOP) |