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/************************************************************************** |
/************************************************************************** |
2 |
* |
* |
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* 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 |
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* |
* |
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* History: |
* History: |
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* |
* |
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* 24.02.2002 #def BFRAMES compatibility |
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* 26.02.2001 fixed dec_csp bugs |
* 26.02.2001 fixed dec_csp bugs |
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* 26.12.2001 xvid_init() support |
* 26.12.2001 xvid_init() support |
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* 22.12.2001 removed some compiler warnings |
* 22.12.2001 removed some compiler warnings |
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* 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> |
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* |
* |
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* $Id: divx4.c,v 1.17 2002-09-04 20:46:00 edgomez Exp $ |
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* |
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*************************************************************************/ |
*************************************************************************/ |
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#include <stdlib.h> |
#include <stdlib.h> |
46 |
#include <string.h> |
#include <string.h> |
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#include <stdio.h> |
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#include "xvid.h" |
#include "xvid.h" |
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#include "divx4.h" |
#include "divx4.h" |
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void * handle; |
void * handle; |
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XVID_DEC_FRAME xframe; |
XVID_DEC_FRAME xframe; |
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} DINST; |
} |
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DINST; |
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typedef struct EINST |
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{ |
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struct EINST *next; |
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void *handle; |
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int quality; |
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} |
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EINST; |
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/************************************************************************** |
/************************************************************************** |
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* Global data (needed to emulate correctly exported symbols from divx4) |
* Global data (needed to emulate correctly exported symbols from divx4) |
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/* The Divx4 instance chainlist */ |
/* The Divx4 instance chainlist */ |
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static DINST * dhead = NULL; |
static DINST * dhead = NULL; |
103 |
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static EINST *ehead = NULL; |
104 |
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/* Divx4 quality to XviD encoder motion flag presets */ |
/* Divx4 quality to XviD encoder motion flag presets */ |
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static int const divx4_motion_presets[7] = { |
static int const divx4_motion_presets[7] = { |
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0, |
0, |
108 |
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PMV_QUICKSTOP16, |
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PMV_EARLYSTOP16, |
PMV_EARLYSTOP16, |
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PMV_EARLYSTOP16 | PMV_ADVANCEDDIAMOND16, |
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PMV_EARLYSTOP16 | PMV_HALFPELREFINE16, |
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16, |
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PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | |
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EARLYSTOP8 | |
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PMV_EARLYSTOP8 | PMV_HALFPELDIAMOND8, |
PMV_HALFPELREFINE8, |
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PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | |
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EARLYSTOP8 | |
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PMV_EARLYSTOP8 | PMV_HALFPELDIAMOND8, |
PMV_HALFPELREFINE8, |
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PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | |
PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EXTSEARCH16 | PMV_EARLYSTOP8 | |
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PMV_EXTSEARCH16 | PMV_EARLYSTOP8 | |
PMV_HALFPELREFINE8 |
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PMV_HALFPELREFINE8 | PMV_HALFPELDIAMOND8 |
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}; |
}; |
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XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL |
XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL |
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}; |
}; |
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/* |
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* Current divx4 encoder quality |
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* ToDo : this data should not be shared between encoder instances |
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*/ |
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static int quality; |
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/************************************************************************** |
/************************************************************************** |
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* Local Prototypes |
* Local Prototypes |
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*************************************************************************/ |
*************************************************************************/ |
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static DINST * dinst_add(unsigned long key); |
static DINST * dinst_add(unsigned long key); |
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static void dinst_remove(unsigned long key); |
static void dinst_remove(unsigned long key); |
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static EINST *einst_find(void *handle); |
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static EINST *einst_add(void *handle); |
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static void einst_remove(void *handle); |
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/* Converts divx4 colorspaces codes to xvid codes */ |
/* Converts divx4 colorspaces codes to xvid codes */ |
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static int xvid_to_opendivx_dec_csp(int csp); |
static int xvid_to_opendivx_dec_csp(int csp); |
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static int xvid_to_opendivx_enc_csp(int csp); |
static int xvid_to_opendivx_enc_csp(int csp); |
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*************************************************************************/ |
*************************************************************************/ |
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int |
int |
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decore(unsigned long key, unsigned long opt, void * param1, void * param2) |
decore(unsigned long key, |
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unsigned long opt, |
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void *param1, |
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void *param2) |
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{ |
{ |
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int xerr; |
int xerr; |
183 |
DEC_PARAM * dparam = (DEC_PARAM *)param1; |
DEC_PARAM * dparam = (DEC_PARAM *)param1; |
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/* Find the divx4 instance */ |
/* Find the divx4 instance */ |
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if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
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{ |
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dcur = dinst_add(key); |
dcur = dinst_add(key); |
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} |
} |
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DINST * dcur; |
DINST * dcur; |
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/* Find the divx4 instance into the chain list */ |
/* Find the divx4 instance into the chain list */ |
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if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
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{ |
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return DEC_EXIT; |
return DEC_EXIT; |
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} |
} |
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DINST * dcur; |
DINST * dcur; |
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/* Find the divx4 instance into the chain list */ |
/* Find the divx4 instance into the chain list */ |
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if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
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{ |
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return DEC_EXIT; |
return DEC_EXIT; |
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} |
} |
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DINST * dcur; |
DINST * dcur; |
249 |
DEC_PARAM * dparam = (DEC_PARAM *)param1; |
DEC_PARAM * dparam = (DEC_PARAM *)param1; |
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if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
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{ |
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return DEC_EXIT; |
return DEC_EXIT; |
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} |
} |
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DINST * dcur; |
DINST * dcur; |
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DEC_FRAME * dframe = (DEC_FRAME *)param1; |
DEC_FRAME * dframe = (DEC_FRAME *)param1; |
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if ((dcur = dinst_find(key)) == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
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{ |
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return DEC_EXIT; |
return DEC_EXIT; |
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} |
} |
271 |
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dcur->xframe.stride = dframe->stride; |
dcur->xframe.stride = dframe->stride; |
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/* Does the frame need to be skipped ? */ |
/* Does the frame need to be skipped ? */ |
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if (!dframe->render_flag) |
if (!dframe->render_flag) { |
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{ |
|
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/* |
/* |
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* Then we use the null colorspace to force XviD to |
* Then we use the null colorspace to force XviD to |
282 |
* skip the frame. The original colorspace will be |
* skip the frame. The original colorspace will be |
290 |
xerr = decoder_decode(dcur->handle, &dcur->xframe); |
xerr = decoder_decode(dcur->handle, &dcur->xframe); |
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/* Restore the real colorspace for this instance */ |
/* Restore the real colorspace for this instance */ |
293 |
if (!dframe->render_flag) |
if (!dframe->render_flag) { |
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{ |
|
294 |
dcur->xframe.colorspace = csp_tmp; |
dcur->xframe.colorspace = csp_tmp; |
295 |
} |
} |
296 |
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310 |
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311 |
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/* XviD error code -> Divx4 */ |
/* XviD error code -> Divx4 */ |
313 |
switch(xerr) |
switch (xerr) { |
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{ |
|
314 |
case XVID_ERR_OK : |
case XVID_ERR_OK : |
315 |
return DEC_OK; |
return DEC_OK; |
316 |
case XVID_ERR_MEMORY : |
case XVID_ERR_MEMORY : |
332 |
#define FRAMERATE_INCR 1001 |
#define FRAMERATE_INCR 1001 |
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int |
int |
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encore(void * handle, int opt, void * param1, void * param2) |
encore(void *handle, |
336 |
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int opt, |
337 |
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void *param1, |
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void *param2) |
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{ |
{ |
340 |
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int xerr; |
int xerr; |
343 |
switch(opt) { |
switch(opt) { |
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case ENC_OPT_INIT : |
case ENC_OPT_INIT : |
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{ |
{ |
346 |
|
EINST *ecur; |
347 |
ENC_PARAM * eparam = (ENC_PARAM *)param1; |
ENC_PARAM * eparam = (ENC_PARAM *)param1; |
348 |
XVID_INIT_PARAM xinit; |
XVID_INIT_PARAM xinit; |
349 |
XVID_ENC_PARAM xparam; |
XVID_ENC_PARAM xparam; |
355 |
/* Settings are copied to the XviD encoder structure */ |
/* Settings are copied to the XviD encoder structure */ |
356 |
xparam.width = eparam->x_dim; |
xparam.width = eparam->x_dim; |
357 |
xparam.height = eparam->y_dim; |
xparam.height = eparam->y_dim; |
358 |
if ((eparam->framerate - (int)eparam->framerate) == 0) |
if ((eparam->framerate - (int) eparam->framerate) == 0) { |
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{ |
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359 |
xparam.fincr = 1; |
xparam.fincr = 1; |
360 |
xparam.fbase = (int)eparam->framerate; |
xparam.fbase = (int)eparam->framerate; |
361 |
} |
} else { |
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else |
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{ |
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362 |
xparam.fincr = FRAMERATE_INCR; |
xparam.fincr = FRAMERATE_INCR; |
363 |
xparam.fbase = (int)(FRAMERATE_INCR * eparam->framerate); |
xparam.fbase = (int)(FRAMERATE_INCR * eparam->framerate); |
364 |
} |
} |
369 |
xparam.min_quantizer = eparam->min_quantizer; |
xparam.min_quantizer = eparam->min_quantizer; |
370 |
xparam.max_quantizer = eparam->max_quantizer; |
xparam.max_quantizer = eparam->max_quantizer; |
371 |
xparam.max_key_interval = eparam->max_key_interval; |
xparam.max_key_interval = eparam->max_key_interval; |
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quality = eparam->quality; |
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372 |
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/* Create the encoder session */ |
/* Create the encoder session */ |
374 |
xerr = encoder_create(&xparam); |
xerr = encoder_create(&xparam); |
375 |
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eparam->handle = xparam.handle; |
eparam->handle = xparam.handle; |
377 |
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378 |
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/* Create an encoder instance in the chainlist */ |
379 |
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if ((ecur = einst_find(xparam.handle)) == NULL) { |
380 |
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ecur = einst_add(xparam.handle); |
381 |
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382 |
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if (ecur == NULL) { |
383 |
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encoder_destroy((Encoder *) xparam.handle); |
384 |
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return ENC_MEMORY; |
385 |
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} |
386 |
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387 |
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} |
388 |
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389 |
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ecur->quality = eparam->quality; |
390 |
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if (ecur->quality < 0) |
391 |
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ecur->quality = 0; |
392 |
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if (ecur->quality > 6) |
393 |
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ecur->quality = 6; |
394 |
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395 |
break; |
break; |
396 |
} |
} |
397 |
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398 |
case ENC_OPT_RELEASE : |
case ENC_OPT_RELEASE : |
399 |
{ |
{ |
400 |
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EINST *ecur; |
401 |
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402 |
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if ((ecur = einst_find(handle)) == NULL) { |
403 |
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return ENC_FAIL; |
404 |
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} |
405 |
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406 |
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einst_remove(handle); |
407 |
xerr = encoder_destroy((Encoder *) handle); |
xerr = encoder_destroy((Encoder *) handle); |
408 |
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|
409 |
break; |
break; |
410 |
} |
} |
411 |
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|
412 |
case ENC_OPT_ENCODE : |
case ENC_OPT_ENCODE : |
413 |
case ENC_OPT_ENCODE_VBR : |
case ENC_OPT_ENCODE_VBR : |
414 |
{ |
{ |
415 |
|
EINST *ecur; |
416 |
|
|
417 |
ENC_FRAME * eframe = (ENC_FRAME *)param1; |
ENC_FRAME * eframe = (ENC_FRAME *)param1; |
418 |
ENC_RESULT * eresult = (ENC_RESULT *)param2; |
ENC_RESULT * eresult = (ENC_RESULT *)param2; |
419 |
XVID_ENC_FRAME xframe; |
XVID_ENC_FRAME xframe; |
420 |
XVID_ENC_STATS xstats; |
XVID_ENC_STATS xstats; |
421 |
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422 |
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if ((ecur = einst_find(handle)) == NULL) { |
423 |
|
return ENC_FAIL; |
424 |
|
} |
425 |
|
|
426 |
/* Copy the divx4 info into the xvid structure */ |
/* Copy the divx4 info into the xvid structure */ |
427 |
xframe.bitstream = eframe->bitstream; |
xframe.bitstream = eframe->bitstream; |
428 |
xframe.length = eframe->length; |
xframe.length = eframe->length; |
429 |
|
xframe.motion = divx4_motion_presets[ecur->quality]; |
430 |
xframe.motion = divx4_motion_presets[quality]; |
xframe.general = divx4_general_presets[ecur->quality]; |
|
xframe.general = divx4_general_presets[quality]; |
|
431 |
|
|
432 |
xframe.image = eframe->image; |
xframe.image = eframe->image; |
433 |
xframe.colorspace = |
xframe.colorspace = xvid_to_opendivx_enc_csp(eframe->colorspace); |
|
xvid_to_opendivx_enc_csp(eframe->colorspace); |
|
434 |
|
|
435 |
if (opt == ENC_OPT_ENCODE_VBR) |
if (opt == ENC_OPT_ENCODE_VBR) { |
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{ |
|
436 |
xframe.intra = eframe->intra; |
xframe.intra = eframe->intra; |
437 |
xframe.quant = eframe->quant; |
xframe.quant = eframe->quant; |
438 |
} |
} else { |
|
else |
|
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{ |
|
439 |
xframe.intra = -1; |
xframe.intra = -1; |
440 |
xframe.quant = 0; |
xframe.quant = 0; |
441 |
} |
} |
442 |
|
|
443 |
/* Encode the frame */ |
/* Encode the frame */ |
444 |
xerr = encoder_encode((Encoder *) handle, &xframe, (eresult ? &xstats : NULL) ); |
xerr = |
445 |
|
encoder_encode((Encoder *) handle, &xframe, |
446 |
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(eresult ? &xstats : NULL)); |
447 |
|
|
448 |
/* Copy back the xvid structure to the divx4 one */ |
/* Copy back the xvid structure to the divx4 one */ |
449 |
if (eresult) |
if (eresult) { |
|
{ |
|
450 |
eresult->is_key_frame = xframe.intra; |
eresult->is_key_frame = xframe.intra; |
451 |
eresult->quantizer = xstats.quant; |
eresult->quantizer = xstats.quant; |
452 |
eresult->total_bits = xframe.length * 8; |
eresult->total_bits = xframe.length * 8; |
453 |
eresult->motion_bits = xstats.hlength * 8; |
eresult->motion_bits = xstats.hlength * 8; |
454 |
eresult->texture_bits = eresult->total_bits - eresult->motion_bits; |
eresult->texture_bits = |
455 |
|
eresult->total_bits - eresult->motion_bits; |
456 |
} |
} |
457 |
|
|
458 |
eframe->length = xframe.length; |
eframe->length = xframe.length; |
465 |
} |
} |
466 |
|
|
467 |
/* XviD Error code -> Divx4 error code */ |
/* XviD Error code -> Divx4 error code */ |
468 |
switch(xerr) |
switch (xerr) { |
|
{ |
|
469 |
case XVID_ERR_OK : |
case XVID_ERR_OK : |
470 |
return ENC_OK; |
return ENC_OK; |
471 |
case XVID_ERR_MEMORY : |
case XVID_ERR_MEMORY : |
486 |
***************************************/ |
***************************************/ |
487 |
|
|
488 |
/* Find an element in the chainlist according to its key value */ |
/* Find an element in the chainlist according to its key value */ |
489 |
static DINST * dinst_find(unsigned long key) |
static DINST * |
490 |
|
dinst_find(unsigned long key) |
491 |
{ |
{ |
492 |
DINST * dcur = dhead; |
DINST * dcur = dhead; |
493 |
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|
494 |
while (dcur) |
while (dcur) { |
495 |
{ |
if (dcur->key == key) { |
|
if (dcur->key == key) |
|
|
{ |
|
496 |
return dcur; |
return dcur; |
497 |
} |
} |
498 |
dcur = dcur->next; |
dcur = dcur->next; |
503 |
|
|
504 |
|
|
505 |
/* Add an element to the chainlist */ |
/* Add an element to the chainlist */ |
506 |
static DINST * dinst_add(unsigned long key) |
static DINST * |
507 |
|
dinst_add(unsigned long key) |
508 |
{ |
{ |
509 |
DINST * dnext = dhead; |
DINST * dnext = dhead; |
510 |
|
|
511 |
dhead = malloc(sizeof(DINST)); |
dhead = malloc(sizeof(DINST)); |
512 |
if (dhead == NULL) |
if (dhead == NULL) { |
|
{ |
|
513 |
dhead = dnext; |
dhead = dnext; |
514 |
return NULL; |
return NULL; |
515 |
} |
} |
522 |
|
|
523 |
|
|
524 |
/* Remove an elmement from the chainlist */ |
/* Remove an elmement from the chainlist */ |
525 |
static void dinst_remove(unsigned long key) |
static void |
526 |
|
dinst_remove(unsigned long key) |
527 |
{ |
{ |
528 |
DINST * dcur = dhead; |
DINST * dcur = dhead; |
529 |
|
|
530 |
if (dhead == NULL) |
if (dhead == NULL) { |
|
{ |
|
531 |
return; |
return; |
532 |
} |
} |
533 |
|
|
534 |
if (dcur->key == key) |
if (dcur->key == key) { |
|
{ |
|
535 |
dhead = dcur->next; |
dhead = dcur->next; |
536 |
free(dcur); |
free(dcur); |
537 |
return; |
return; |
538 |
} |
} |
539 |
|
|
540 |
while (dcur->next) |
while (dcur->next) { |
541 |
{ |
if (dcur->next->key == key) { |
|
if (dcur->next->key == key) |
|
|
{ |
|
542 |
DINST * tmp = dcur->next; |
DINST * tmp = dcur->next; |
543 |
|
|
544 |
dcur->next = tmp->next; |
dcur->next = tmp->next; |
545 |
free(tmp); |
free(tmp); |
546 |
return; |
return; |
549 |
} |
} |
550 |
} |
} |
551 |
|
|
552 |
|
|
553 |
/*************************************** |
/*************************************** |
554 |
* Colorspace code converter * |
* EINST chainlist helper functions * |
555 |
***************************************/ |
***************************************/ |
556 |
|
|
557 |
static int xvid_to_opendivx_dec_csp(int csp) |
/* Find an element in the chainlist according to its handle */ |
558 |
|
static EINST * |
559 |
|
einst_find(void *handle) |
560 |
|
{ |
561 |
|
EINST *ecur = ehead; |
562 |
|
|
563 |
|
while (ecur) { |
564 |
|
if (ecur->handle == handle) { |
565 |
|
return ecur; |
566 |
|
} |
567 |
|
ecur = ecur->next; |
568 |
|
} |
569 |
|
|
570 |
|
return NULL; |
571 |
|
} |
572 |
|
|
573 |
|
|
574 |
|
/* Add an element to the chainlist */ |
575 |
|
static EINST * |
576 |
|
einst_add(void *handle) |
577 |
|
{ |
578 |
|
EINST *enext = ehead; |
579 |
|
|
580 |
|
ehead = malloc(sizeof(EINST)); |
581 |
|
if (ehead == NULL) { |
582 |
|
ehead = enext; |
583 |
|
return NULL; |
584 |
|
} |
585 |
|
|
586 |
|
ehead->handle = handle; |
587 |
|
ehead->next = enext; |
588 |
|
|
589 |
|
return ehead; |
590 |
|
} |
591 |
|
|
592 |
|
|
593 |
|
/* Remove an elmement from the chainlist */ |
594 |
|
static void |
595 |
|
einst_remove(void *handle) |
596 |
{ |
{ |
597 |
|
EINST *ecur = ehead; |
598 |
|
|
599 |
|
if (ehead == NULL) { |
600 |
|
return; |
601 |
|
} |
602 |
|
|
603 |
|
if (ecur->handle == handle) { |
604 |
|
ehead = ecur->next; |
605 |
|
free(ecur); |
606 |
|
return; |
607 |
|
} |
608 |
|
|
609 |
|
while (ecur->next) { |
610 |
|
if (ecur->next->handle == handle) { |
611 |
|
EINST *tmp = ecur->next; |
612 |
|
|
613 |
switch(csp) |
ecur->next = tmp->next; |
614 |
|
free(tmp); |
615 |
|
return; |
616 |
|
} |
617 |
|
ecur = ecur->next; |
618 |
|
} |
619 |
|
} |
620 |
|
|
621 |
|
/*************************************** |
622 |
|
* Colorspace code converter * |
623 |
|
***************************************/ |
624 |
|
|
625 |
|
static int |
626 |
|
xvid_to_opendivx_dec_csp(int csp) |
627 |
{ |
{ |
628 |
|
|
629 |
|
switch (csp) { |
630 |
case DEC_YV12 : |
case DEC_YV12 : |
631 |
return XVID_CSP_YV12; |
return XVID_CSP_YV12; |
632 |
case DEC_420 : |
case DEC_420 : |
658 |
} |
} |
659 |
} |
} |
660 |
|
|
661 |
static int xvid_to_opendivx_enc_csp(int csp) |
static int |
662 |
|
xvid_to_opendivx_enc_csp(int csp) |
663 |
{ |
{ |
664 |
|
|
665 |
switch (csp) |
switch (csp) { |
|
{ |
|
666 |
case ENC_CSP_RGB24 : |
case ENC_CSP_RGB24 : |
667 |
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
668 |
case ENC_CSP_YV12 : |
case ENC_CSP_YV12 : |