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/************************************************************************** |
/************************************************************************** |
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* |
* |
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* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
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* OpenDivx API wrapper |
* - OpenDivx API wrapper - |
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* |
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* Copyright(C) 2001-2002 Peter Ross <pross@xvid.org> |
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* |
* |
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* 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 |
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* 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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*************************************************************************/ |
*************************************************************************/ |
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/************************************************************************** |
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* |
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* History: |
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* |
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* 26.02.2001 fixed dec_csp bugs |
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* 26.12.2001 xvid_init() support |
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* 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> |
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* |
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* $Id$ |
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* |
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*************************************************************************/ |
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#include <stdlib.h> |
#include <stdlib.h> |
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#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; |
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static EINST *ehead = NULL; |
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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, |
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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; |
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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; |
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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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} |
} |
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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 |
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* skip the frame. The original colorspace will be |
* skip the frame. The original colorspace will be |
278 |
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 */ |
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if (!dframe->render_flag) |
if (!dframe->render_flag) { |
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{ |
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dcur->xframe.colorspace = csp_tmp; |
dcur->xframe.colorspace = csp_tmp; |
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} |
} |
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299 |
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300 |
/* XviD error code -> Divx4 */ |
/* XviD error code -> Divx4 */ |
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switch(xerr) |
switch (xerr) { |
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{ |
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case XVID_ERR_OK : |
case XVID_ERR_OK : |
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return DEC_OK; |
return DEC_OK; |
304 |
case XVID_ERR_MEMORY : |
case XVID_ERR_MEMORY : |
320 |
#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, |
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int 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; |
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switch(opt) { |
switch(opt) { |
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case ENC_OPT_INIT : |
case ENC_OPT_INIT : |
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{ |
{ |
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EINST *ecur; |
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ENC_PARAM * eparam = (ENC_PARAM *)param1; |
ENC_PARAM * eparam = (ENC_PARAM *)param1; |
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XVID_INIT_PARAM xinit; |
XVID_INIT_PARAM xinit; |
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XVID_ENC_PARAM xparam; |
XVID_ENC_PARAM xparam; |
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/* Settings are copied to the XviD encoder structure */ |
/* Settings are copied to the XviD encoder structure */ |
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xparam.width = eparam->x_dim; |
xparam.width = eparam->x_dim; |
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xparam.height = eparam->y_dim; |
xparam.height = eparam->y_dim; |
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if ((eparam->framerate - (int)eparam->framerate) == 0) |
if ((eparam->framerate - (int) eparam->framerate) == 0) { |
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{ |
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xparam.fincr = 1; |
xparam.fincr = 1; |
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xparam.fbase = (int)eparam->framerate; |
xparam.fbase = (int)eparam->framerate; |
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} |
} else { |
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else |
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{ |
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xparam.fincr = FRAMERATE_INCR; |
xparam.fincr = FRAMERATE_INCR; |
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xparam.fbase = (int)(FRAMERATE_INCR * eparam->framerate); |
xparam.fbase = (int)(FRAMERATE_INCR * eparam->framerate); |
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} |
} |
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xparam.min_quantizer = eparam->min_quantizer; |
xparam.min_quantizer = eparam->min_quantizer; |
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xparam.max_quantizer = eparam->max_quantizer; |
xparam.max_quantizer = eparam->max_quantizer; |
359 |
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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/* Create the encoder session */ |
/* Create the encoder session */ |
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xerr = encoder_create(&xparam); |
xerr = encoder_create(&xparam); |
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eparam->handle = xparam.handle; |
eparam->handle = xparam.handle; |
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366 |
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/* Create an encoder instance in the chainlist */ |
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if ((ecur = einst_find(xparam.handle)) == NULL) { |
368 |
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ecur = einst_add(xparam.handle); |
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370 |
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if (ecur == NULL) { |
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encoder_destroy((Encoder *) xparam.handle); |
372 |
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return ENC_MEMORY; |
373 |
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} |
374 |
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375 |
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} |
376 |
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377 |
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ecur->quality = eparam->quality; |
378 |
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if (ecur->quality < 0) |
379 |
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ecur->quality = 0; |
380 |
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if (ecur->quality > 6) |
381 |
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ecur->quality = 6; |
382 |
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383 |
break; |
break; |
384 |
} |
} |
385 |
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case ENC_OPT_RELEASE : |
case ENC_OPT_RELEASE : |
387 |
{ |
{ |
388 |
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EINST *ecur; |
389 |
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390 |
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if ((ecur = einst_find(handle)) == NULL) { |
391 |
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return ENC_FAIL; |
392 |
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} |
393 |
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394 |
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einst_remove(handle); |
395 |
xerr = encoder_destroy((Encoder *) handle); |
xerr = encoder_destroy((Encoder *) handle); |
396 |
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397 |
break; |
break; |
398 |
} |
} |
399 |
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400 |
case ENC_OPT_ENCODE : |
case ENC_OPT_ENCODE : |
401 |
case ENC_OPT_ENCODE_VBR : |
case ENC_OPT_ENCODE_VBR : |
402 |
{ |
{ |
403 |
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EINST *ecur; |
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405 |
ENC_FRAME * eframe = (ENC_FRAME *)param1; |
ENC_FRAME * eframe = (ENC_FRAME *)param1; |
406 |
ENC_RESULT * eresult = (ENC_RESULT *)param2; |
ENC_RESULT * eresult = (ENC_RESULT *)param2; |
407 |
XVID_ENC_FRAME xframe; |
XVID_ENC_FRAME xframe; |
408 |
XVID_ENC_STATS xstats; |
XVID_ENC_STATS xstats; |
409 |
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410 |
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if ((ecur = einst_find(handle)) == NULL) { |
411 |
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return ENC_FAIL; |
412 |
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} |
413 |
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414 |
/* Copy the divx4 info into the xvid structure */ |
/* Copy the divx4 info into the xvid structure */ |
415 |
xframe.bitstream = eframe->bitstream; |
xframe.bitstream = eframe->bitstream; |
416 |
xframe.length = eframe->length; |
xframe.length = eframe->length; |
417 |
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xframe.motion = divx4_motion_presets[ecur->quality]; |
418 |
xframe.motion = divx4_motion_presets[quality]; |
xframe.general = divx4_general_presets[ecur->quality]; |
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xframe.general = divx4_general_presets[quality]; |
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419 |
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420 |
xframe.image = eframe->image; |
xframe.image = eframe->image; |
421 |
xframe.colorspace = |
xframe.colorspace = xvid_to_opendivx_enc_csp(eframe->colorspace); |
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xvid_to_opendivx_enc_csp(eframe->colorspace); |
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422 |
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423 |
if (opt == ENC_OPT_ENCODE_VBR) |
if (opt == ENC_OPT_ENCODE_VBR) { |
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{ |
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424 |
xframe.intra = eframe->intra; |
xframe.intra = eframe->intra; |
425 |
xframe.quant = eframe->quant; |
xframe.quant = eframe->quant; |
426 |
} |
} else { |
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else |
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{ |
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427 |
xframe.intra = -1; |
xframe.intra = -1; |
428 |
xframe.quant = 0; |
xframe.quant = 0; |
429 |
} |
} |
430 |
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431 |
/* Encode the frame */ |
/* Encode the frame */ |
432 |
xerr = encoder_encode((Encoder *) handle, &xframe, (eresult ? &xstats : NULL) ); |
xerr = |
433 |
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encoder_encode((Encoder *) handle, &xframe, |
434 |
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(eresult ? &xstats : NULL)); |
435 |
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436 |
/* Copy back the xvid structure to the divx4 one */ |
/* Copy back the xvid structure to the divx4 one */ |
437 |
if (eresult) |
if (eresult) { |
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{ |
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438 |
eresult->is_key_frame = xframe.intra; |
eresult->is_key_frame = xframe.intra; |
439 |
eresult->quantizer = xstats.quant; |
eresult->quantizer = xstats.quant; |
440 |
eresult->total_bits = xframe.length * 8; |
eresult->total_bits = xframe.length * 8; |
441 |
eresult->motion_bits = xstats.hlength * 8; |
eresult->motion_bits = xstats.hlength * 8; |
442 |
eresult->texture_bits = eresult->total_bits - eresult->motion_bits; |
eresult->texture_bits = |
443 |
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eresult->total_bits - eresult->motion_bits; |
444 |
} |
} |
445 |
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446 |
eframe->length = xframe.length; |
eframe->length = xframe.length; |
453 |
} |
} |
454 |
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455 |
/* XviD Error code -> Divx4 error code */ |
/* XviD Error code -> Divx4 error code */ |
456 |
switch(xerr) |
switch (xerr) { |
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{ |
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457 |
case XVID_ERR_OK : |
case XVID_ERR_OK : |
458 |
return ENC_OK; |
return ENC_OK; |
459 |
case XVID_ERR_MEMORY : |
case XVID_ERR_MEMORY : |
474 |
***************************************/ |
***************************************/ |
475 |
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476 |
/* Find an element in the chainlist according to its key value */ |
/* Find an element in the chainlist according to its key value */ |
477 |
static DINST * dinst_find(unsigned long key) |
static DINST * |
478 |
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dinst_find(unsigned long key) |
479 |
{ |
{ |
480 |
DINST * dcur = dhead; |
DINST * dcur = dhead; |
481 |
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482 |
while (dcur) |
while (dcur) { |
483 |
{ |
if (dcur->key == key) { |
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if (dcur->key == key) |
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{ |
|
484 |
return dcur; |
return dcur; |
485 |
} |
} |
486 |
dcur = dcur->next; |
dcur = dcur->next; |
491 |
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492 |
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493 |
/* Add an element to the chainlist */ |
/* Add an element to the chainlist */ |
494 |
static DINST * dinst_add(unsigned long key) |
static DINST * |
495 |
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dinst_add(unsigned long key) |
496 |
{ |
{ |
497 |
DINST * dnext = dhead; |
DINST * dnext = dhead; |
498 |
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499 |
dhead = malloc(sizeof(DINST)); |
dhead = malloc(sizeof(DINST)); |
500 |
if (dhead == NULL) |
if (dhead == NULL) { |
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{ |
|
501 |
dhead = dnext; |
dhead = dnext; |
502 |
return NULL; |
return NULL; |
503 |
} |
} |
510 |
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511 |
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512 |
/* Remove an elmement from the chainlist */ |
/* Remove an elmement from the chainlist */ |
513 |
static void dinst_remove(unsigned long key) |
static void |
514 |
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dinst_remove(unsigned long key) |
515 |
{ |
{ |
516 |
DINST * dcur = dhead; |
DINST * dcur = dhead; |
517 |
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518 |
if (dhead == NULL) |
if (dhead == NULL) { |
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{ |
|
519 |
return; |
return; |
520 |
} |
} |
521 |
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522 |
if (dcur->key == key) |
if (dcur->key == key) { |
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{ |
|
523 |
dhead = dcur->next; |
dhead = dcur->next; |
524 |
free(dcur); |
free(dcur); |
525 |
return; |
return; |
526 |
} |
} |
527 |
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|
528 |
while (dcur->next) |
while (dcur->next) { |
529 |
{ |
if (dcur->next->key == key) { |
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if (dcur->next->key == key) |
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{ |
|
530 |
DINST * tmp = dcur->next; |
DINST * tmp = dcur->next; |
531 |
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|
532 |
dcur->next = tmp->next; |
dcur->next = tmp->next; |
533 |
free(tmp); |
free(tmp); |
534 |
return; |
return; |
537 |
} |
} |
538 |
} |
} |
539 |
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540 |
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|
541 |
/*************************************** |
/*************************************** |
542 |
* Colorspace code converter * |
* EINST chainlist helper functions * |
543 |
***************************************/ |
***************************************/ |
544 |
|
|
545 |
static int xvid_to_opendivx_dec_csp(int csp) |
/* Find an element in the chainlist according to its handle */ |
546 |
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static EINST * |
547 |
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einst_find(void *handle) |
548 |
{ |
{ |
549 |
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EINST *ecur = ehead; |
550 |
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551 |
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while (ecur) { |
552 |
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if (ecur->handle == handle) { |
553 |
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return ecur; |
554 |
|
} |
555 |
|
ecur = ecur->next; |
556 |
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} |
557 |
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|
558 |
switch(csp) |
return NULL; |
559 |
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} |
560 |
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561 |
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562 |
|
/* Add an element to the chainlist */ |
563 |
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static EINST * |
564 |
|
einst_add(void *handle) |
565 |
{ |
{ |
566 |
|
EINST *enext = ehead; |
567 |
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568 |
|
ehead = malloc(sizeof(EINST)); |
569 |
|
if (ehead == NULL) { |
570 |
|
ehead = enext; |
571 |
|
return NULL; |
572 |
|
} |
573 |
|
|
574 |
|
ehead->handle = handle; |
575 |
|
ehead->next = enext; |
576 |
|
|
577 |
|
return ehead; |
578 |
|
} |
579 |
|
|
580 |
|
|
581 |
|
/* Remove an elmement from the chainlist */ |
582 |
|
static void |
583 |
|
einst_remove(void *handle) |
584 |
|
{ |
585 |
|
EINST *ecur = ehead; |
586 |
|
|
587 |
|
if (ehead == NULL) { |
588 |
|
return; |
589 |
|
} |
590 |
|
|
591 |
|
if (ecur->handle == handle) { |
592 |
|
ehead = ecur->next; |
593 |
|
free(ecur); |
594 |
|
return; |
595 |
|
} |
596 |
|
|
597 |
|
while (ecur->next) { |
598 |
|
if (ecur->next->handle == handle) { |
599 |
|
EINST *tmp = ecur->next; |
600 |
|
|
601 |
|
ecur->next = tmp->next; |
602 |
|
free(tmp); |
603 |
|
return; |
604 |
|
} |
605 |
|
ecur = ecur->next; |
606 |
|
} |
607 |
|
} |
608 |
|
|
609 |
|
/*************************************** |
610 |
|
* Colorspace code converter * |
611 |
|
***************************************/ |
612 |
|
|
613 |
|
static int |
614 |
|
xvid_to_opendivx_dec_csp(int csp) |
615 |
|
{ |
616 |
|
|
617 |
|
switch (csp) { |
618 |
case DEC_YV12 : |
case DEC_YV12 : |
619 |
return XVID_CSP_YV12; |
return XVID_CSP_YV12; |
620 |
case DEC_420 : |
case DEC_420 : |
646 |
} |
} |
647 |
} |
} |
648 |
|
|
649 |
static int xvid_to_opendivx_enc_csp(int csp) |
static int |
650 |
|
xvid_to_opendivx_enc_csp(int csp) |
651 |
{ |
{ |
652 |
|
|
653 |
switch (csp) |
switch (csp) { |
|
{ |
|
654 |
case ENC_CSP_RGB24 : |
case ENC_CSP_RGB24 : |
655 |
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
656 |
case ENC_CSP_YV12 : |
case ENC_CSP_YV12 : |