1 |
/************************************************************************** |
/************************************************************************** |
2 |
* |
* |
3 |
* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
4 |
* OpenDivx API wrapper |
* - OpenDivx API wrapper - |
5 |
* |
* |
6 |
* This program is an implementation of a part of one or more MPEG-4 |
* This program is an implementation of a part of one or more MPEG-4 |
7 |
* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
32 |
* |
* |
33 |
* History: |
* History: |
34 |
* |
* |
35 |
|
* 24.02.2002 #def BFRAMES compatibility |
36 |
* 26.02.2001 fixed dec_csp bugs |
* 26.02.2001 fixed dec_csp bugs |
37 |
* 26.12.2001 xvid_init() support |
* 26.12.2001 xvid_init() support |
38 |
* 22.12.2001 removed some compiler warnings |
* 22.12.2001 removed some compiler warnings |
39 |
* 16.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
* 16.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
40 |
* |
* |
41 |
* $Id: divx4.c,v 1.12 2002-05-22 12:40:25 chl Exp $ |
* $Id: divx4.c,v 1.21 2003-02-15 15:22:17 edgomez Exp $ |
42 |
* |
* |
43 |
*************************************************************************/ |
*************************************************************************/ |
44 |
|
|
74 |
void * handle; |
void * handle; |
75 |
XVID_DEC_FRAME xframe; |
XVID_DEC_FRAME xframe; |
76 |
|
|
77 |
} DINST; |
} |
78 |
|
DINST; |
79 |
|
|
80 |
typedef struct EINST |
typedef struct EINST |
81 |
{ |
{ |
84 |
void * handle; |
void * handle; |
85 |
int quality; |
int quality; |
86 |
|
|
87 |
} EINST; |
} |
88 |
|
EINST; |
89 |
|
|
90 |
/************************************************************************** |
/************************************************************************** |
91 |
* Global data (needed to emulate correctly exported symbols from divx4) |
* Global data (needed to emulate correctly exported symbols from divx4) |
106 |
static int const divx4_motion_presets[7] = { |
static int const divx4_motion_presets[7] = { |
107 |
0, |
0, |
108 |
|
|
109 |
PMV_EARLYSTOP16, |
0, |
110 |
|
|
111 |
PMV_EARLYSTOP16 | PMV_ADVANCEDDIAMOND16, |
PMV_ADVANCEDDIAMOND16, |
112 |
|
|
113 |
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16, |
PMV_HALFPELREFINE16, |
114 |
|
|
115 |
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | |
PMV_HALFPELREFINE16 | PMV_HALFPELREFINE8, |
|
PMV_EARLYSTOP8 | PMV_HALFPELREFINE8, |
|
116 |
|
|
117 |
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | |
PMV_HALFPELREFINE16 | PMV_HALFPELREFINE8, |
|
PMV_EARLYSTOP8 | PMV_HALFPELREFINE8, |
|
118 |
|
|
119 |
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EXTSEARCH16 | |
PMV_HALFPELREFINE16 | PMV_EXTSEARCH16 | PMV_HALFPELREFINE8 |
|
PMV_EARLYSTOP8 | PMV_HALFPELREFINE8 |
|
120 |
}; |
}; |
121 |
|
|
122 |
|
|
156 |
*************************************************************************/ |
*************************************************************************/ |
157 |
|
|
158 |
int |
int |
159 |
decore(unsigned long key, unsigned long opt, void * param1, void * param2) |
decore(unsigned long key, |
160 |
|
unsigned long opt, |
161 |
|
void *param1, |
162 |
|
void *param2) |
163 |
{ |
{ |
164 |
|
|
165 |
int xerr; |
int xerr; |
180 |
DEC_PARAM * dparam = (DEC_PARAM *)param1; |
DEC_PARAM * dparam = (DEC_PARAM *)param1; |
181 |
|
|
182 |
/* Find the divx4 instance */ |
/* Find the divx4 instance */ |
183 |
if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
|
{ |
|
184 |
dcur = dinst_add(key); |
dcur = dinst_add(key); |
185 |
} |
} |
186 |
|
|
211 |
DINST * dcur; |
DINST * dcur; |
212 |
|
|
213 |
/* Find the divx4 instance into the chain list */ |
/* Find the divx4 instance into the chain list */ |
214 |
if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
|
{ |
|
215 |
return DEC_EXIT; |
return DEC_EXIT; |
216 |
} |
} |
217 |
|
|
229 |
DINST * dcur; |
DINST * dcur; |
230 |
|
|
231 |
/* Find the divx4 instance into the chain list */ |
/* Find the divx4 instance into the chain list */ |
232 |
if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
|
{ |
|
233 |
return DEC_EXIT; |
return DEC_EXIT; |
234 |
} |
} |
235 |
|
|
245 |
DINST * dcur; |
DINST * dcur; |
246 |
DEC_PARAM * dparam = (DEC_PARAM *)param1; |
DEC_PARAM * dparam = (DEC_PARAM *)param1; |
247 |
|
|
248 |
if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
|
{ |
|
249 |
return DEC_EXIT; |
return DEC_EXIT; |
250 |
} |
} |
251 |
|
|
262 |
DINST * dcur; |
DINST * dcur; |
263 |
DEC_FRAME * dframe = (DEC_FRAME *)param1; |
DEC_FRAME * dframe = (DEC_FRAME *)param1; |
264 |
|
|
265 |
if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
|
{ |
|
266 |
return DEC_EXIT; |
return DEC_EXIT; |
267 |
} |
} |
268 |
|
|
273 |
dcur->xframe.stride = dframe->stride; |
dcur->xframe.stride = dframe->stride; |
274 |
|
|
275 |
/* Does the frame need to be skipped ? */ |
/* Does the frame need to be skipped ? */ |
276 |
if (!dframe->render_flag) |
if (!dframe->render_flag) { |
|
{ |
|
277 |
/* |
/* |
278 |
* Then we use the null colorspace to force XviD to |
* Then we use the null colorspace to force XviD to |
279 |
* skip the frame. The original colorspace will be |
* skip the frame. The original colorspace will be |
284 |
} |
} |
285 |
|
|
286 |
/* Decode the bitstream */ |
/* Decode the bitstream */ |
287 |
xerr = decoder_decode(dcur->handle, &dcur->xframe); |
xerr = decoder_decode(dcur->handle, &dcur->xframe, NULL); |
288 |
|
|
289 |
/* Restore the real colorspace for this instance */ |
/* Restore the real colorspace for this instance */ |
290 |
if (!dframe->render_flag) |
if (!dframe->render_flag) { |
|
{ |
|
291 |
dcur->xframe.colorspace = csp_tmp; |
dcur->xframe.colorspace = csp_tmp; |
292 |
} |
} |
293 |
|
|
307 |
|
|
308 |
|
|
309 |
/* XviD error code -> Divx4 */ |
/* XviD error code -> Divx4 */ |
310 |
switch(xerr) |
switch (xerr) { |
|
{ |
|
311 |
case XVID_ERR_OK : |
case XVID_ERR_OK : |
312 |
return DEC_OK; |
return DEC_OK; |
313 |
case XVID_ERR_MEMORY : |
case XVID_ERR_MEMORY : |
329 |
#define FRAMERATE_INCR 1001 |
#define FRAMERATE_INCR 1001 |
330 |
|
|
331 |
int |
int |
332 |
encore(void * handle, int opt, void * param1, void * param2) |
encore(void *handle, |
333 |
|
int opt, |
334 |
|
void *param1, |
335 |
|
void *param2) |
336 |
{ |
{ |
337 |
|
|
338 |
int xerr; |
int xerr; |
352 |
/* Settings are copied to the XviD encoder structure */ |
/* Settings are copied to the XviD encoder structure */ |
353 |
xparam.width = eparam->x_dim; |
xparam.width = eparam->x_dim; |
354 |
xparam.height = eparam->y_dim; |
xparam.height = eparam->y_dim; |
355 |
if ((eparam->framerate - (int)eparam->framerate) == 0) |
if ((eparam->framerate - (int) eparam->framerate) == 0) { |
|
{ |
|
356 |
xparam.fincr = 1; |
xparam.fincr = 1; |
357 |
xparam.fbase = (int)eparam->framerate; |
xparam.fbase = (int)eparam->framerate; |
358 |
} |
} else { |
|
else |
|
|
{ |
|
359 |
xparam.fincr = FRAMERATE_INCR; |
xparam.fincr = FRAMERATE_INCR; |
360 |
xparam.fbase = (int)(FRAMERATE_INCR * eparam->framerate); |
xparam.fbase = (int)(FRAMERATE_INCR * eparam->framerate); |
361 |
} |
} |
367 |
xparam.max_quantizer = eparam->max_quantizer; |
xparam.max_quantizer = eparam->max_quantizer; |
368 |
xparam.max_key_interval = eparam->max_key_interval; |
xparam.max_key_interval = eparam->max_key_interval; |
369 |
|
|
370 |
|
xparam.global = 0; |
371 |
|
xparam.max_bframes = -1; /* use "original" IP-frame encoder */ |
372 |
|
xparam.bquant_ratio = 200; |
373 |
|
xparam.frame_drop_ratio = 0; /* dont drop frames */ |
374 |
|
|
375 |
/* Create the encoder session */ |
/* Create the encoder session */ |
376 |
xerr = encoder_create(&xparam); |
xerr = encoder_create(&xparam); |
377 |
|
|
378 |
eparam->handle = xparam.handle; |
eparam->handle = xparam.handle; |
379 |
|
|
380 |
/* Create an encoder instance in the chainlist */ |
/* Create an encoder instance in the chainlist */ |
381 |
if ((ecur = einst_find(xparam.handle)) == NULL) |
if ((ecur = einst_find(xparam.handle)) == NULL) { |
|
{ |
|
382 |
ecur = einst_add(xparam.handle); |
ecur = einst_add(xparam.handle); |
383 |
|
|
384 |
if(ecur == NULL) { |
if(ecur == NULL) { |
389 |
} |
} |
390 |
|
|
391 |
ecur->quality = eparam->quality; |
ecur->quality = eparam->quality; |
392 |
if(ecur->quality < 0) ecur->quality = 0; |
if (ecur->quality < 0) |
393 |
if(ecur->quality > 6) ecur->quality = 6; |
ecur->quality = 0; |
394 |
|
if (ecur->quality > 6) |
395 |
|
ecur->quality = 6; |
396 |
|
|
397 |
break; |
break; |
398 |
} |
} |
401 |
{ |
{ |
402 |
EINST *ecur; |
EINST *ecur; |
403 |
|
|
404 |
if ((ecur = einst_find(handle)) == NULL) |
if ((ecur = einst_find(handle)) == NULL) { |
|
{ |
|
405 |
return ENC_FAIL; |
return ENC_FAIL; |
406 |
} |
} |
407 |
|
|
408 |
|
einst_remove(handle); |
409 |
xerr = encoder_destroy((Encoder *) handle); |
xerr = encoder_destroy((Encoder *) handle); |
410 |
|
|
411 |
break; |
break; |
412 |
} |
} |
413 |
|
|
421 |
XVID_ENC_FRAME xframe; |
XVID_ENC_FRAME xframe; |
422 |
XVID_ENC_STATS xstats; |
XVID_ENC_STATS xstats; |
423 |
|
|
424 |
if ((ecur = einst_find(handle)) == NULL) |
if ((ecur = einst_find(handle)) == NULL) { |
|
{ |
|
425 |
return ENC_FAIL; |
return ENC_FAIL; |
426 |
} |
} |
427 |
|
|
432 |
xframe.general = divx4_general_presets[ecur->quality]; |
xframe.general = divx4_general_presets[ecur->quality]; |
433 |
|
|
434 |
xframe.image = eframe->image; |
xframe.image = eframe->image; |
435 |
xframe.colorspace = |
xframe.colorspace = xvid_to_opendivx_enc_csp(eframe->colorspace); |
|
xvid_to_opendivx_enc_csp(eframe->colorspace); |
|
436 |
|
|
437 |
if (opt == ENC_OPT_ENCODE_VBR) |
if (opt == ENC_OPT_ENCODE_VBR) { |
|
{ |
|
438 |
xframe.intra = eframe->intra; |
xframe.intra = eframe->intra; |
439 |
xframe.quant = eframe->quant; |
xframe.quant = eframe->quant; |
440 |
} |
} else { |
|
else |
|
|
{ |
|
441 |
xframe.intra = -1; |
xframe.intra = -1; |
442 |
xframe.quant = 0; |
xframe.quant = 0; |
443 |
} |
} |
444 |
|
|
445 |
/* Encode the frame */ |
/* Encode the frame */ |
446 |
xerr = encoder_encode((Encoder *) handle, &xframe, (eresult ? &xstats : NULL) ); |
xerr = |
447 |
|
encoder_encode((Encoder *) handle, &xframe, |
448 |
|
(eresult ? &xstats : NULL)); |
449 |
|
|
450 |
/* Copy back the xvid structure to the divx4 one */ |
/* Copy back the xvid structure to the divx4 one */ |
451 |
if (eresult) |
if (eresult) { |
|
{ |
|
452 |
eresult->is_key_frame = xframe.intra; |
eresult->is_key_frame = xframe.intra; |
453 |
eresult->quantizer = xstats.quant; |
eresult->quantizer = xstats.quant; |
454 |
eresult->total_bits = xframe.length * 8; |
eresult->total_bits = xframe.length * 8; |
455 |
eresult->motion_bits = xstats.hlength * 8; |
eresult->motion_bits = xstats.hlength * 8; |
456 |
eresult->texture_bits = eresult->total_bits - eresult->motion_bits; |
eresult->texture_bits = |
457 |
|
eresult->total_bits - eresult->motion_bits; |
458 |
} |
} |
459 |
|
|
460 |
eframe->length = xframe.length; |
eframe->length = xframe.length; |
467 |
} |
} |
468 |
|
|
469 |
/* XviD Error code -> Divx4 error code */ |
/* XviD Error code -> Divx4 error code */ |
470 |
switch(xerr) |
switch (xerr) { |
|
{ |
|
471 |
case XVID_ERR_OK : |
case XVID_ERR_OK : |
472 |
return ENC_OK; |
return ENC_OK; |
473 |
case XVID_ERR_MEMORY : |
case XVID_ERR_MEMORY : |
488 |
***************************************/ |
***************************************/ |
489 |
|
|
490 |
/* Find an element in the chainlist according to its key value */ |
/* Find an element in the chainlist according to its key value */ |
491 |
static DINST * dinst_find(unsigned long key) |
static DINST * |
492 |
|
dinst_find(unsigned long key) |
493 |
{ |
{ |
494 |
DINST * dcur = dhead; |
DINST * dcur = dhead; |
495 |
|
|
496 |
while (dcur) |
while (dcur) { |
497 |
{ |
if (dcur->key == key) { |
|
if (dcur->key == key) |
|
|
{ |
|
498 |
return dcur; |
return dcur; |
499 |
} |
} |
500 |
dcur = dcur->next; |
dcur = dcur->next; |
505 |
|
|
506 |
|
|
507 |
/* Add an element to the chainlist */ |
/* Add an element to the chainlist */ |
508 |
static DINST * dinst_add(unsigned long key) |
static DINST * |
509 |
|
dinst_add(unsigned long key) |
510 |
{ |
{ |
511 |
DINST * dnext = dhead; |
DINST * dnext = dhead; |
512 |
|
|
513 |
dhead = malloc(sizeof(DINST)); |
dhead = malloc(sizeof(DINST)); |
514 |
if (dhead == NULL) |
if (dhead == NULL) { |
|
{ |
|
515 |
dhead = dnext; |
dhead = dnext; |
516 |
return NULL; |
return NULL; |
517 |
} |
} |
524 |
|
|
525 |
|
|
526 |
/* Remove an elmement from the chainlist */ |
/* Remove an elmement from the chainlist */ |
527 |
static void dinst_remove(unsigned long key) |
static void |
528 |
|
dinst_remove(unsigned long key) |
529 |
{ |
{ |
530 |
DINST * dcur = dhead; |
DINST * dcur = dhead; |
531 |
|
|
532 |
if (dhead == NULL) |
if (dhead == NULL) { |
|
{ |
|
533 |
return; |
return; |
534 |
} |
} |
535 |
|
|
536 |
if (dcur->key == key) |
if (dcur->key == key) { |
|
{ |
|
537 |
dhead = dcur->next; |
dhead = dcur->next; |
538 |
free(dcur); |
free(dcur); |
539 |
return; |
return; |
540 |
} |
} |
541 |
|
|
542 |
while (dcur->next) |
while (dcur->next) { |
543 |
{ |
if (dcur->next->key == key) { |
|
if (dcur->next->key == key) |
|
|
{ |
|
544 |
DINST * tmp = dcur->next; |
DINST * tmp = dcur->next; |
545 |
|
|
546 |
dcur->next = tmp->next; |
dcur->next = tmp->next; |
547 |
free(tmp); |
free(tmp); |
548 |
return; |
return; |
557 |
***************************************/ |
***************************************/ |
558 |
|
|
559 |
/* Find an element in the chainlist according to its handle */ |
/* Find an element in the chainlist according to its handle */ |
560 |
static EINST * einst_find(void *handle) |
static EINST * |
561 |
|
einst_find(void *handle) |
562 |
{ |
{ |
563 |
EINST * ecur = ehead; |
EINST * ecur = ehead; |
564 |
|
|
565 |
while (ecur) |
while (ecur) { |
566 |
{ |
if (ecur->handle == handle) { |
|
if (ecur->handle == handle) |
|
|
{ |
|
567 |
return ecur; |
return ecur; |
568 |
} |
} |
569 |
ecur = ecur->next; |
ecur = ecur->next; |
574 |
|
|
575 |
|
|
576 |
/* Add an element to the chainlist */ |
/* Add an element to the chainlist */ |
577 |
static EINST * einst_add(void *handle) |
static EINST * |
578 |
|
einst_add(void *handle) |
579 |
{ |
{ |
580 |
EINST * enext = ehead; |
EINST * enext = ehead; |
581 |
|
|
582 |
ehead = malloc(sizeof(EINST)); |
ehead = malloc(sizeof(EINST)); |
583 |
if (ehead == NULL) |
if (ehead == NULL) { |
|
{ |
|
584 |
ehead = enext; |
ehead = enext; |
585 |
return NULL; |
return NULL; |
586 |
} |
} |
593 |
|
|
594 |
|
|
595 |
/* Remove an elmement from the chainlist */ |
/* Remove an elmement from the chainlist */ |
596 |
static void einst_remove(void *handle) |
static void |
597 |
|
einst_remove(void *handle) |
598 |
{ |
{ |
599 |
EINST * ecur = ehead; |
EINST * ecur = ehead; |
600 |
|
|
601 |
if (ehead == NULL) |
if (ehead == NULL) { |
|
{ |
|
602 |
return; |
return; |
603 |
} |
} |
604 |
|
|
605 |
if (ecur->handle == handle) |
if (ecur->handle == handle) { |
|
{ |
|
606 |
ehead = ecur->next; |
ehead = ecur->next; |
607 |
free(ecur); |
free(ecur); |
608 |
return; |
return; |
609 |
} |
} |
610 |
|
|
611 |
while (ecur->next) |
while (ecur->next) { |
612 |
{ |
if (ecur->next->handle == handle) { |
|
if (ecur->next->handle == handle) |
|
|
{ |
|
613 |
EINST * tmp = ecur->next; |
EINST * tmp = ecur->next; |
614 |
|
|
615 |
ecur->next = tmp->next; |
ecur->next = tmp->next; |
616 |
free(tmp); |
free(tmp); |
617 |
return; |
return; |
619 |
ecur = ecur->next; |
ecur = ecur->next; |
620 |
} |
} |
621 |
} |
} |
622 |
|
|
623 |
/*************************************** |
/*************************************** |
624 |
* Colorspace code converter * |
* Colorspace code converter * |
625 |
***************************************/ |
***************************************/ |
626 |
|
|
627 |
static int xvid_to_opendivx_dec_csp(int csp) |
static int |
628 |
|
xvid_to_opendivx_dec_csp(int csp) |
629 |
{ |
{ |
630 |
|
|
631 |
switch(csp) |
switch (csp) { |
|
{ |
|
632 |
case DEC_YV12 : |
case DEC_YV12 : |
633 |
return XVID_CSP_YV12; |
return XVID_CSP_YV12; |
634 |
case DEC_420 : |
case DEC_420 : |
660 |
} |
} |
661 |
} |
} |
662 |
|
|
663 |
static int xvid_to_opendivx_enc_csp(int csp) |
static int |
664 |
|
xvid_to_opendivx_enc_csp(int csp) |
665 |
{ |
{ |
666 |
|
|
667 |
switch (csp) |
switch (csp) { |
|
{ |
|
668 |
case ENC_CSP_RGB24 : |
case ENC_CSP_RGB24 : |
669 |
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
670 |
case ENC_CSP_YV12 : |
case ENC_CSP_YV12 : |