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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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* 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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* 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 1.16.2.2 2002-11-02 16:11:06 chl Exp $ |
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* |
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*************************************************************************/ |
*************************************************************************/ |
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#include <stdlib.h> |
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#include <malloc.h> |
#include <string.h> |
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#include <string.h> // memset |
#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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#define EMULATED_DIVX_VERSION 20011001 |
#define EMULATED_DIVX_VERSION 20011001 |
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// decore |
/************************************************************************** |
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* Divx Instance Structure |
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* |
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* This chain list datatype allows XviD do instanciate multiples divx4 |
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* sessions. |
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* |
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* ToDo : The way this chain list is used does not guarantee reentrance |
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* because they are not protected by any kind of mutex to allow |
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* only one modifier. We should add a mutex for each element in |
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* the chainlist. |
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*************************************************************************/ |
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typedef struct DINST |
typedef struct DINST |
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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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static DINST * dhead = NULL; |
void *handle; |
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int quality; |
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} |
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EINST; |
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DINST * dinst_find(unsigned long key) |
/************************************************************************** |
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{ |
* Global data (needed to emulate correctly exported symbols from divx4) |
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DINST * dcur = dhead; |
*************************************************************************/ |
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while (dcur) |
/* This is not used in this module but is required by some divx4 encoders*/ |
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{ |
int quiet_encore = 1; |
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if (dcur->key == key) |
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{ |
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return dcur; |
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} |
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dcur = dcur->next; |
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} |
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return NULL; |
/************************************************************************** |
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} |
* Local data |
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*************************************************************************/ |
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/* The Divx4 instance chainlist */ |
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static DINST *dhead = NULL; |
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static EINST *ehead = NULL; |
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DINST * dinst_add(unsigned long key) |
/* Divx4 quality to XviD encoder motion flag presets */ |
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{ |
static int const divx4_motion_presets[7] = { |
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DINST * dnext = dhead; |
0, |
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dhead = malloc(sizeof(DINST)); |
0, |
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if (dhead == NULL) |
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{ |
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dhead = dnext; |
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return NULL; |
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} |
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dhead->key = key; |
PMV_ADVANCEDDIAMOND16, |
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dhead->next = dnext; |
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return dhead; |
PMV_HALFPELREFINE16, |
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} |
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PMV_HALFPELREFINE16 | PMV_HALFPELREFINE8, |
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void dinst_remove(unsigned long key) |
PMV_HALFPELREFINE16 | PMV_HALFPELREFINE8, |
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{ |
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DINST * dcur = dhead; |
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if (dhead == NULL) |
PMV_HALFPELREFINE16 | PMV_EXTSEARCH16 | PMV_HALFPELREFINE8 |
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{ |
}; |
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return; |
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} |
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if (dcur->key == key) |
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{ |
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dhead = dcur->next; |
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free(dcur); |
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return; |
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} |
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while (dcur->next) |
/* Divx4 quality to general encoder flag presets */ |
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{ |
static int const divx4_general_presets[7] = { |
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if (dcur->next->key == key) |
0, |
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{ |
XVID_H263QUANT, |
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DINST * tmp = dcur->next; |
XVID_H263QUANT, |
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dcur->next = tmp->next; |
XVID_H263QUANT | XVID_HALFPEL, |
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free(tmp); |
XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL, |
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return; |
XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL, |
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} |
XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL |
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dcur = dcur->next; |
}; |
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} |
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} |
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/************************************************************************** |
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* Local Prototypes |
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*************************************************************************/ |
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int xvid_to_opendivx_dec_csp(int csp) |
/* Chain list helper functions */ |
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{ |
static DINST *dinst_find(unsigned long key); |
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switch(csp) |
static DINST *dinst_add(unsigned long key); |
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{ |
static void dinst_remove(unsigned long key); |
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case DEC_YV12 : |
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return XVID_CSP_YV12; |
static EINST *einst_find(void *handle); |
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case DEC_420 : |
static EINST *einst_add(void *handle); |
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return XVID_CSP_I420; |
static void einst_remove(void *handle); |
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case DEC_YUY2 : |
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return XVID_CSP_YUY2; |
/* Converts divx4 colorspaces codes to xvid codes */ |
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case DEC_UYVY : |
static int xvid_to_opendivx_dec_csp(int csp); |
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return XVID_CSP_UYVY; |
static int xvid_to_opendivx_enc_csp(int csp); |
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case DEC_RGB32 : |
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return XVID_CSP_VFLIP | XVID_CSP_RGB32; |
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case DEC_RGB24 : |
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return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
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case DEC_RGB565 : |
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return XVID_CSP_VFLIP | XVID_CSP_RGB565; |
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case DEC_RGB555 : |
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return XVID_CSP_VFLIP | XVID_CSP_RGB555; |
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case DEC_RGB32_INV : |
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return XVID_CSP_RGB32; |
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case DEC_RGB24_INV : |
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return XVID_CSP_RGB24; |
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case DEC_RGB565_INV : |
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return XVID_CSP_RGB565; |
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case DEC_RGB555_INV : |
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return XVID_CSP_RGB555; |
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case DEC_USER : |
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return XVID_CSP_USER; |
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default : |
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return -1; |
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} |
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} |
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/************************************************************************** |
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* decore part |
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* |
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* decore is the divx4 entry point used to decompress the mpeg4 bitstream |
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* into a user defined image format. |
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*************************************************************************/ |
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int decore(unsigned long key, unsigned long opt, |
int |
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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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switch (opt) |
switch (opt) { |
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{ |
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case DEC_OPT_MEMORY_REQS : |
case DEC_OPT_MEMORY_REQS : |
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{ |
{ |
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memset(param2, 0, sizeof(DEC_MEM_REQS)); |
memset(param2, 0, sizeof(DEC_MEM_REQS)); |
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case DEC_OPT_INIT : |
case DEC_OPT_INIT : |
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{ |
{ |
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DEC_PARAM * dparam = (DEC_PARAM *)param1; |
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XVID_INIT_PARAM xinit; |
XVID_INIT_PARAM xinit; |
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XVID_DEC_PARAM xparam; |
XVID_DEC_PARAM xparam; |
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DINST * dcur = dinst_find(key); |
DINST *dcur; |
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if (dcur == NULL) |
DEC_PARAM *dparam = (DEC_PARAM *) param1; |
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{ |
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/* Find the divx4 instance */ |
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if ((dcur = dinst_find(key)) == NULL) { |
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dcur = dinst_add(key); |
dcur = dinst_add(key); |
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} |
} |
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/* |
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* XviD initialization |
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* XviD will detect the host cpu type and activate optimized |
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* functions according to the host cpu features. |
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*/ |
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xinit.cpu_flags = 0; |
xinit.cpu_flags = 0; |
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xvid_init(NULL, 0, &xinit, NULL); |
xvid_init(NULL, 0, &xinit, NULL); |
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/* XviD decoder initialization for this instance */ |
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xparam.width = dparam->x_dim; |
xparam.width = dparam->x_dim; |
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xparam.height = dparam->y_dim; |
xparam.height = dparam->y_dim; |
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dcur->xframe.colorspace = xvid_to_opendivx_dec_csp(dparam->output_format); |
dcur->xframe.colorspace = |
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xvid_to_opendivx_dec_csp(dparam->output_format); |
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xerr = decoder_create(&xparam); |
xerr = decoder_create(&xparam); |
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/* Store the xvid handle into the divx4 instance chainlist */ |
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dcur->handle = xparam.handle; |
dcur->handle = xparam.handle; |
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break; |
break; |
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case DEC_OPT_RELEASE : |
case DEC_OPT_RELEASE : |
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{ |
{ |
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DINST * dcur = dinst_find(key); |
DINST *dcur; |
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if (dcur == NULL) |
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{ |
/* Find the divx4 instance into the chain list */ |
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if ((dcur = dinst_find(key)) == NULL) { |
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return DEC_EXIT; |
return DEC_EXIT; |
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} |
} |
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/* Destroy the XviD decoder attached to this divx4 instance */ |
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xerr = decoder_destroy(dcur->handle); |
xerr = decoder_destroy(dcur->handle); |
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/* Remove the divx4 instance from the chainlist */ |
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dinst_remove(key); |
dinst_remove(key); |
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break; |
break; |
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case DEC_OPT_SETPP : |
case DEC_OPT_SETPP : |
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{ |
{ |
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// DEC_SET * dset = (DEC_SET *)param1; |
DINST *dcur; |
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DINST * dcur = dinst_find(key); |
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if (dcur == NULL) |
/* Find the divx4 instance into the chain list */ |
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{ |
if ((dcur = dinst_find(key)) == NULL) { |
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return DEC_EXIT; |
return DEC_EXIT; |
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} |
} |
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// dcur->xframe.pp = dset->postproc_level; |
/* |
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* We return DEC_OK but XviD has no postprocessing implemented |
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* in core. |
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*/ |
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return DEC_OK; |
return DEC_OK; |
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} |
} |
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case DEC_OPT_SETOUT : |
case DEC_OPT_SETOUT : |
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{ |
{ |
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DINST *dcur; |
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DEC_PARAM * dparam = (DEC_PARAM *)param1; |
DEC_PARAM * dparam = (DEC_PARAM *)param1; |
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DINST * dcur = dinst_find(key); |
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if (dcur == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
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{ |
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return DEC_EXIT; |
return DEC_EXIT; |
250 |
} |
} |
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dcur->xframe.colorspace = xvid_to_opendivx_dec_csp(dparam->output_format); |
/* Change the output colorspace */ |
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dcur->xframe.colorspace = |
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xvid_to_opendivx_dec_csp(dparam->output_format); |
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return DEC_OK; |
return DEC_OK; |
257 |
} |
} |
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case DEC_OPT_FRAME: |
case DEC_OPT_FRAME: |
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{ |
{ |
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int csp_tmp; |
int csp_tmp = 0; |
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DINST *dcur; |
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DEC_FRAME * dframe = (DEC_FRAME *)param1; |
DEC_FRAME * dframe = (DEC_FRAME *)param1; |
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DINST * dcur = dinst_find(key); |
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if (dcur == NULL) |
if ((dcur = dinst_find(key)) == NULL) { |
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{ |
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return DEC_EXIT; |
return DEC_EXIT; |
267 |
} |
} |
268 |
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269 |
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/* Copy the divx4 fields to the XviD decoder structure */ |
270 |
dcur->xframe.bitstream = dframe->bitstream; |
dcur->xframe.bitstream = dframe->bitstream; |
271 |
dcur->xframe.length = dframe->length; |
dcur->xframe.length = dframe->length; |
272 |
dcur->xframe.image = dframe->bmp; |
dcur->xframe.image = dframe->bmp; |
273 |
dcur->xframe.stride = dframe->stride; |
dcur->xframe.stride = dframe->stride; |
274 |
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275 |
if (!dframe->render_flag) |
/* Does the frame need to be skipped ? */ |
276 |
{ |
if (!dframe->render_flag) { |
277 |
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/* |
278 |
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* Then we use the null colorspace to force XviD to |
279 |
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* skip the frame. The original colorspace will be |
280 |
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* restored after the decoder call |
281 |
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*/ |
282 |
csp_tmp = dcur->xframe.colorspace; |
csp_tmp = dcur->xframe.colorspace; |
283 |
dcur->xframe.colorspace = XVID_CSP_NULL; |
dcur->xframe.colorspace = XVID_CSP_NULL; |
284 |
} |
} |
285 |
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286 |
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/* Decode the bitstream */ |
287 |
xerr = decoder_decode(dcur->handle, &dcur->xframe); |
xerr = decoder_decode(dcur->handle, &dcur->xframe); |
288 |
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289 |
if (!dframe->render_flag) |
/* Restore the real colorspace for this instance */ |
290 |
{ |
if (!dframe->render_flag) { |
291 |
dcur->xframe.colorspace = csp_tmp; |
dcur->xframe.colorspace = csp_tmp; |
292 |
} |
} |
293 |
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294 |
break; |
break; |
295 |
} |
} |
296 |
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297 |
case DEC_OPT_FRAME_311 : |
case DEC_OPT_FRAME_311 : |
298 |
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/* XviD does not handle Divx ;-) 3.11 yet */ |
299 |
return DEC_EXIT; |
return DEC_EXIT; |
300 |
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301 |
case DEC_OPT_VERSION: |
case DEC_OPT_VERSION: |
302 |
return EMULATED_DIVX_VERSION; |
return EMULATED_DIVX_VERSION; |
303 |
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304 |
default : |
default : |
305 |
return DEC_EXIT; |
return DEC_EXIT; |
306 |
} |
} |
307 |
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308 |
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309 |
switch(xerr) |
/* XviD error code -> Divx4 */ |
310 |
{ |
switch (xerr) { |
311 |
case XVID_ERR_OK : return DEC_OK; |
case XVID_ERR_OK: |
312 |
case XVID_ERR_MEMORY : return DEC_MEMORY; |
return DEC_OK; |
313 |
case XVID_ERR_FORMAT : return DEC_BAD_FORMAT; |
case XVID_ERR_MEMORY: |
314 |
default : // case XVID_ERR_FAIL : |
return DEC_MEMORY; |
315 |
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case XVID_ERR_FORMAT: |
316 |
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return DEC_BAD_FORMAT; |
317 |
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default: |
318 |
return DEC_EXIT; |
return DEC_EXIT; |
319 |
} |
} |
320 |
} |
} |
321 |
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322 |
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/************************************************************************** |
323 |
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* Encore Part |
324 |
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* |
325 |
// encore |
* encore is the divx4 entry point used to compress a frame to a mpeg4 |
326 |
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* bitstream. |
327 |
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*************************************************************************/ |
328 |
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329 |
#define FRAMERATE_INCR 1001 |
#define FRAMERATE_INCR 1001 |
330 |
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331 |
int encore(void * handle, int opt, void * param1, void * param2) |
int |
332 |
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encore(void *handle, |
333 |
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int opt, |
334 |
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void *param1, |
335 |
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void *param2) |
336 |
{ |
{ |
337 |
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338 |
int xerr; |
int xerr; |
339 |
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340 |
switch(opt) |
switch (opt) { |
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{ |
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341 |
case ENC_OPT_INIT : |
case ENC_OPT_INIT : |
342 |
{ |
{ |
343 |
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EINST *ecur; |
344 |
ENC_PARAM * eparam = (ENC_PARAM *)param1; |
ENC_PARAM * eparam = (ENC_PARAM *)param1; |
345 |
XVID_INIT_PARAM xinit; |
XVID_INIT_PARAM xinit; |
346 |
XVID_ENC_PARAM xparam; |
XVID_ENC_PARAM xparam; |
347 |
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348 |
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/* Init XviD which will detect host cpu features */ |
349 |
xinit.cpu_flags = 0; |
xinit.cpu_flags = 0; |
350 |
xvid_init(NULL, 0, &xinit, NULL); |
xvid_init(NULL, 0, &xinit, NULL); |
351 |
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352 |
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/* 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) { |
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{ |
|
356 |
xparam.fincr = 1; |
xparam.fincr = 1; |
357 |
xparam.fbase = (int)eparam->framerate; |
xparam.fbase = (int)eparam->framerate; |
358 |
} |
} else { |
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else |
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{ |
|
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 |
} |
} |
362 |
xparam.bitrate = eparam->bitrate; |
xparam.rc_bitrate = eparam->bitrate; |
363 |
xparam.rc_buffersize = eparam->bitrate; |
xparam.rc_reaction_delay_factor = 16; |
364 |
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xparam.rc_averaging_period = 100; |
365 |
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xparam.rc_buffer = 100; |
366 |
xparam.min_quantizer = eparam->min_quantizer; |
xparam.min_quantizer = eparam->min_quantizer; |
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 |
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370 |
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xparam.global = 0; |
371 |
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xparam.max_bframes = -1; /* use "original" IP-frame encoder */ |
372 |
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xparam.bquant_ratio = 200; |
373 |
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xparam.frame_drop_ratio = 0; /* dont drop frames */ |
374 |
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375 |
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/* Create the encoder session */ |
376 |
xerr = encoder_create(&xparam); |
xerr = encoder_create(&xparam); |
377 |
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378 |
eparam->handle = xparam.handle; |
eparam->handle = xparam.handle; |
379 |
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380 |
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/* Create an encoder instance in the chainlist */ |
381 |
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if ((ecur = einst_find(xparam.handle)) == NULL) { |
382 |
|
ecur = einst_add(xparam.handle); |
383 |
|
|
384 |
|
if (ecur == NULL) { |
385 |
|
encoder_destroy((Encoder *) xparam.handle); |
386 |
|
return ENC_MEMORY; |
387 |
|
} |
388 |
|
|
389 |
|
} |
390 |
|
|
391 |
|
ecur->quality = eparam->quality; |
392 |
|
if (ecur->quality < 0) |
393 |
|
ecur->quality = 0; |
394 |
|
if (ecur->quality > 6) |
395 |
|
ecur->quality = 6; |
396 |
|
|
397 |
break; |
break; |
398 |
} |
} |
399 |
|
|
400 |
case ENC_OPT_RELEASE : |
case ENC_OPT_RELEASE : |
401 |
{ |
{ |
402 |
|
EINST *ecur; |
403 |
|
|
404 |
|
if ((ecur = einst_find(handle)) == NULL) { |
405 |
|
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 |
|
|
414 |
case ENC_OPT_ENCODE : |
case ENC_OPT_ENCODE : |
415 |
case ENC_OPT_ENCODE_VBR : |
case ENC_OPT_ENCODE_VBR : |
416 |
{ |
{ |
417 |
|
EINST *ecur; |
418 |
|
|
419 |
ENC_FRAME * eframe = (ENC_FRAME *)param1; |
ENC_FRAME * eframe = (ENC_FRAME *)param1; |
420 |
ENC_RESULT * eresult = (ENC_RESULT *)param2; |
ENC_RESULT * eresult = (ENC_RESULT *)param2; |
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) { |
425 |
|
return ENC_FAIL; |
426 |
|
} |
427 |
|
|
428 |
|
/* Copy the divx4 info into the xvid structure */ |
429 |
xframe.bitstream = eframe->bitstream; |
xframe.bitstream = eframe->bitstream; |
430 |
xframe.length = eframe->length; |
xframe.length = eframe->length; |
431 |
|
xframe.motion = divx4_motion_presets[ecur->quality]; |
432 |
|
xframe.general = divx4_general_presets[ecur->quality]; |
433 |
|
|
434 |
xframe.image = eframe->image; |
xframe.image = eframe->image; |
435 |
switch (eframe->colorspace) |
xframe.colorspace = xvid_to_opendivx_enc_csp(eframe->colorspace); |
|
{ |
|
|
case ENC_CSP_RGB24 : |
|
|
xframe.colorspace = XVID_CSP_VFLIP | XVID_CSP_RGB24; |
|
|
break; |
|
|
case ENC_CSP_YV12 : |
|
|
xframe.colorspace = XVID_CSP_YV12; |
|
|
break; |
|
|
case ENC_CSP_YUY2 : |
|
|
xframe.colorspace = XVID_CSP_YUY2; |
|
|
break; |
|
|
case ENC_CSP_UYVY : |
|
|
xframe.colorspace = XVID_CSP_UYVY; |
|
|
break; |
|
|
case ENC_CSP_I420 : |
|
|
xframe.colorspace = XVID_CSP_I420; |
|
|
break; |
|
|
} |
|
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 |
xerr = encoder_encode((Encoder *) handle, &xframe, (eresult ? &xstats : NULL) ); |
/* Encode the frame */ |
446 |
|
xerr = |
447 |
|
encoder_encode((Encoder *) handle, &xframe, |
448 |
|
(eresult ? &xstats : NULL)); |
449 |
|
|
450 |
if (eresult) |
/* Copy back the xvid structure to the divx4 one */ |
451 |
{ |
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; |
466 |
return ENC_FAIL; |
return ENC_FAIL; |
467 |
} |
} |
468 |
|
|
469 |
switch(xerr) |
/* XviD Error code -> Divx4 error code */ |
470 |
{ |
switch (xerr) { |
471 |
case XVID_ERR_OK : return ENC_OK; |
case XVID_ERR_OK: |
472 |
case XVID_ERR_MEMORY : return ENC_MEMORY; |
return ENC_OK; |
473 |
case XVID_ERR_FORMAT : return ENC_BAD_FORMAT; |
case XVID_ERR_MEMORY: |
474 |
default : // case XVID_ERR_FAIL : |
return ENC_MEMORY; |
475 |
|
case XVID_ERR_FORMAT: |
476 |
|
return ENC_BAD_FORMAT; |
477 |
|
default: |
478 |
return ENC_FAIL; |
return ENC_FAIL; |
479 |
} |
} |
480 |
} |
} |
481 |
|
|
482 |
|
/************************************************************************** |
483 |
|
* Local Functions |
484 |
|
*************************************************************************/ |
485 |
|
|
486 |
|
/*************************************** |
487 |
|
* DINST chainlist helper functions * |
488 |
|
***************************************/ |
489 |
|
|
490 |
|
/* Find an element in the chainlist according to its key value */ |
491 |
|
static DINST * |
492 |
|
dinst_find(unsigned long key) |
493 |
|
{ |
494 |
|
DINST *dcur = dhead; |
495 |
|
|
496 |
|
while (dcur) { |
497 |
|
if (dcur->key == key) { |
498 |
|
return dcur; |
499 |
|
} |
500 |
|
dcur = dcur->next; |
501 |
|
} |
502 |
|
|
503 |
|
return NULL; |
504 |
|
} |
505 |
|
|
506 |
|
|
507 |
|
/* Add an element to the chainlist */ |
508 |
|
static DINST * |
509 |
|
dinst_add(unsigned long key) |
510 |
|
{ |
511 |
|
DINST *dnext = dhead; |
512 |
|
|
513 |
|
dhead = malloc(sizeof(DINST)); |
514 |
|
if (dhead == NULL) { |
515 |
|
dhead = dnext; |
516 |
|
return NULL; |
517 |
|
} |
518 |
|
|
519 |
|
dhead->key = key; |
520 |
|
dhead->next = dnext; |
521 |
|
|
522 |
|
return dhead; |
523 |
|
} |
524 |
|
|
525 |
|
|
526 |
|
/* Remove an elmement from the chainlist */ |
527 |
|
static void |
528 |
|
dinst_remove(unsigned long key) |
529 |
|
{ |
530 |
|
DINST *dcur = dhead; |
531 |
|
|
532 |
|
if (dhead == NULL) { |
533 |
|
return; |
534 |
|
} |
535 |
|
|
536 |
|
if (dcur->key == key) { |
537 |
|
dhead = dcur->next; |
538 |
|
free(dcur); |
539 |
|
return; |
540 |
|
} |
541 |
|
|
542 |
|
while (dcur->next) { |
543 |
|
if (dcur->next->key == key) { |
544 |
|
DINST *tmp = dcur->next; |
545 |
|
|
546 |
|
dcur->next = tmp->next; |
547 |
|
free(tmp); |
548 |
|
return; |
549 |
|
} |
550 |
|
dcur = dcur->next; |
551 |
|
} |
552 |
|
} |
553 |
|
|
554 |
|
|
555 |
|
/*************************************** |
556 |
|
* EINST chainlist helper functions * |
557 |
|
***************************************/ |
558 |
|
|
559 |
|
/* Find an element in the chainlist according to its handle */ |
560 |
|
static EINST * |
561 |
|
einst_find(void *handle) |
562 |
|
{ |
563 |
|
EINST *ecur = ehead; |
564 |
|
|
565 |
|
while (ecur) { |
566 |
|
if (ecur->handle == handle) { |
567 |
|
return ecur; |
568 |
|
} |
569 |
|
ecur = ecur->next; |
570 |
|
} |
571 |
|
|
572 |
|
return NULL; |
573 |
|
} |
574 |
|
|
575 |
|
|
576 |
|
/* Add an element to the chainlist */ |
577 |
|
static EINST * |
578 |
|
einst_add(void *handle) |
579 |
|
{ |
580 |
|
EINST *enext = ehead; |
581 |
|
|
582 |
|
ehead = malloc(sizeof(EINST)); |
583 |
|
if (ehead == NULL) { |
584 |
|
ehead = enext; |
585 |
|
return NULL; |
586 |
|
} |
587 |
|
|
588 |
|
ehead->handle = handle; |
589 |
|
ehead->next = enext; |
590 |
|
|
591 |
|
return ehead; |
592 |
|
} |
593 |
|
|
594 |
|
|
595 |
|
/* Remove an elmement from the chainlist */ |
596 |
|
static void |
597 |
|
einst_remove(void *handle) |
598 |
|
{ |
599 |
|
EINST *ecur = ehead; |
600 |
|
|
601 |
|
if (ehead == NULL) { |
602 |
|
return; |
603 |
|
} |
604 |
|
|
605 |
|
if (ecur->handle == handle) { |
606 |
|
ehead = ecur->next; |
607 |
|
free(ecur); |
608 |
|
return; |
609 |
|
} |
610 |
|
|
611 |
|
while (ecur->next) { |
612 |
|
if (ecur->next->handle == handle) { |
613 |
|
EINST *tmp = ecur->next; |
614 |
|
|
615 |
|
ecur->next = tmp->next; |
616 |
|
free(tmp); |
617 |
|
return; |
618 |
|
} |
619 |
|
ecur = ecur->next; |
620 |
|
} |
621 |
|
} |
622 |
|
|
623 |
|
/*************************************** |
624 |
|
* Colorspace code converter * |
625 |
|
***************************************/ |
626 |
|
|
627 |
|
static int |
628 |
|
xvid_to_opendivx_dec_csp(int csp) |
629 |
|
{ |
630 |
|
|
631 |
|
switch (csp) { |
632 |
|
case DEC_YV12: |
633 |
|
return XVID_CSP_YV12; |
634 |
|
case DEC_420: |
635 |
|
return XVID_CSP_I420; |
636 |
|
case DEC_YUY2: |
637 |
|
return XVID_CSP_YUY2; |
638 |
|
case DEC_UYVY: |
639 |
|
return XVID_CSP_UYVY; |
640 |
|
case DEC_RGB32: |
641 |
|
return XVID_CSP_VFLIP | XVID_CSP_RGB32; |
642 |
|
case DEC_RGB24: |
643 |
|
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
644 |
|
case DEC_RGB565: |
645 |
|
return XVID_CSP_VFLIP | XVID_CSP_RGB565; |
646 |
|
case DEC_RGB555: |
647 |
|
return XVID_CSP_VFLIP | XVID_CSP_RGB555; |
648 |
|
case DEC_RGB32_INV: |
649 |
|
return XVID_CSP_RGB32; |
650 |
|
case DEC_RGB24_INV: |
651 |
|
return XVID_CSP_RGB24; |
652 |
|
case DEC_RGB565_INV: |
653 |
|
return XVID_CSP_RGB565; |
654 |
|
case DEC_RGB555_INV: |
655 |
|
return XVID_CSP_RGB555; |
656 |
|
case DEC_USER: |
657 |
|
return XVID_CSP_USER; |
658 |
|
default: |
659 |
|
return -1; |
660 |
|
} |
661 |
|
} |
662 |
|
|
663 |
|
static int |
664 |
|
xvid_to_opendivx_enc_csp(int csp) |
665 |
|
{ |
666 |
|
|
667 |
|
switch (csp) { |
668 |
|
case ENC_CSP_RGB24: |
669 |
|
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
670 |
|
case ENC_CSP_YV12: |
671 |
|
return XVID_CSP_YV12; |
672 |
|
case ENC_CSP_YUY2: |
673 |
|
return XVID_CSP_YUY2; |
674 |
|
case ENC_CSP_UYVY: |
675 |
|
return XVID_CSP_UYVY; |
676 |
|
case ENC_CSP_I420: |
677 |
|
return XVID_CSP_I420; |
678 |
|
default: |
679 |
|
return -1; |
680 |
|
} |
681 |
|
} |