| 1 |
/************************************************************************** |
| 2 |
* |
| 3 |
* XVID MPEG-4 VIDEO CODEC |
| 4 |
* - OpenDivx API wrapper - |
| 5 |
* |
| 6 |
* 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 |
| 8 |
* to use this software module in hardware or software products are |
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* advised that its use may infringe existing patents or copyrights, and |
| 10 |
* any such use would be at such party's own risk. The original |
| 11 |
* developer of this software module and his/her company, and subsequent |
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* editors and their companies, will have no liability for use of this |
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* software or modifications or derivatives thereof. |
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* |
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* This program is free software; you can redistribute it and/or modify |
| 16 |
* it under the terms of the GNU General Public License as published by |
| 17 |
* the Free Software Foundation; either version 2 of the License, or |
| 18 |
* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
| 21 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 |
* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
| 26 |
* along with this program; if not, write to the Free Software |
| 27 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 28 |
* |
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*************************************************************************/ |
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|
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/************************************************************************** |
| 32 |
* |
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* History: |
| 34 |
* |
| 35 |
* 24.02.2002 #def BFRAMES compatibility |
| 36 |
* 26.02.2001 fixed dec_csp bugs |
| 37 |
* 26.12.2001 xvid_init() support |
| 38 |
* 22.12.2001 removed some compiler warnings |
| 39 |
* 16.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
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* |
| 41 |
* $Id: divx4.c,v 1.16 2002/07/21 03:49:47 suxen_drol Exp $ |
| 42 |
* |
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*************************************************************************/ |
| 44 |
|
| 45 |
#include <stdlib.h> |
| 46 |
#include <string.h> |
| 47 |
#include <stdio.h> |
| 48 |
|
| 49 |
#include "xvid.h" |
| 50 |
#include "divx4.h" |
| 51 |
#include "decoder.h" |
| 52 |
#include "encoder.h" |
| 53 |
|
| 54 |
#define EMULATED_DIVX_VERSION 20011001 |
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|
| 56 |
/************************************************************************** |
| 57 |
* Divx Instance Structure |
| 58 |
* |
| 59 |
* This chain list datatype allows XviD do instanciate multiples divx4 |
| 60 |
* sessions. |
| 61 |
* |
| 62 |
* ToDo : The way this chain list is used does not guarantee reentrance |
| 63 |
* 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 |
| 65 |
* the chainlist. |
| 66 |
*************************************************************************/ |
| 67 |
|
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|
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typedef struct DINST |
| 70 |
{ |
| 71 |
unsigned long key; |
| 72 |
struct DINST *next; |
| 73 |
|
| 74 |
void *handle; |
| 75 |
XVID_DEC_FRAME xframe; |
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|
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} |
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DINST; |
| 79 |
|
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typedef struct EINST |
| 81 |
{ |
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struct EINST *next; |
| 83 |
|
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void *handle; |
| 85 |
int quality; |
| 86 |
|
| 87 |
} |
| 88 |
EINST; |
| 89 |
|
| 90 |
/************************************************************************** |
| 91 |
* Global data (needed to emulate correctly exported symbols from divx4) |
| 92 |
*************************************************************************/ |
| 93 |
|
| 94 |
/* This is not used in this module but is required by some divx4 encoders*/ |
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int quiet_encore = 1; |
| 96 |
|
| 97 |
/************************************************************************** |
| 98 |
* Local data |
| 99 |
*************************************************************************/ |
| 100 |
|
| 101 |
/* The Divx4 instance chainlist */ |
| 102 |
static DINST *dhead = NULL; |
| 103 |
static EINST *ehead = NULL; |
| 104 |
|
| 105 |
/* Divx4 quality to XviD encoder motion flag presets */ |
| 106 |
static int const divx4_motion_presets[7] = { |
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0, |
| 108 |
|
| 109 |
0, |
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|
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PMV_ADVANCEDDIAMOND16, |
| 112 |
|
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PMV_HALFPELREFINE16, |
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|
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PMV_HALFPELREFINE16 | PMV_HALFPELREFINE8, |
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|
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PMV_HALFPELREFINE16 | PMV_HALFPELREFINE8, |
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|
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PMV_HALFPELREFINE16 | PMV_EXTSEARCH16 | PMV_HALFPELREFINE8 |
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}; |
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|
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|
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/* Divx4 quality to general encoder flag presets */ |
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static int const divx4_general_presets[7] = { |
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0, |
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XVID_H263QUANT, |
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XVID_H263QUANT, |
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XVID_H263QUANT | XVID_HALFPEL, |
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XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL, |
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XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL, |
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XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL |
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}; |
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|
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/************************************************************************** |
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* Local Prototypes |
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*************************************************************************/ |
| 137 |
|
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/* Chain list helper functions */ |
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static DINST *dinst_find(unsigned long key); |
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static DINST *dinst_add(unsigned long key); |
| 141 |
static void dinst_remove(unsigned long key); |
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|
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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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|
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/* Converts divx4 colorspaces codes to xvid codes */ |
| 148 |
static int xvid_to_opendivx_dec_csp(int csp); |
| 149 |
static int xvid_to_opendivx_enc_csp(int csp); |
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|
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/************************************************************************** |
| 152 |
* decore part |
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* |
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* decore is the divx4 entry point used to decompress the mpeg4 bitstream |
| 155 |
* into a user defined image format. |
| 156 |
*************************************************************************/ |
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|
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int |
| 159 |
decore(unsigned long key, |
| 160 |
unsigned long opt, |
| 161 |
void *param1, |
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void *param2) |
| 163 |
{ |
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|
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int xerr; |
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|
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switch (opt) { |
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|
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case DEC_OPT_MEMORY_REQS: |
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{ |
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memset(param2, 0, sizeof(DEC_MEM_REQS)); |
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return DEC_OK; |
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} |
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|
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case DEC_OPT_INIT: |
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{ |
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XVID_INIT_PARAM xinit; |
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XVID_DEC_PARAM xparam; |
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DINST *dcur; |
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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); |
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} |
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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; |
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xvid_init(NULL, 0, &xinit, NULL); |
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|
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/* XviD decoder initialization for this instance */ |
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xparam.width = dparam->x_dim; |
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xparam.height = dparam->y_dim; |
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dcur->xframe.colorspace = |
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xvid_to_opendivx_dec_csp(dparam->output_format); |
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|
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xerr = decoder_create(&xparam); |
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|
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/* Store the xvid handle into the divx4 instance chainlist */ |
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dcur->handle = xparam.handle; |
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|
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break; |
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} |
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|
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case DEC_OPT_RELEASE: |
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{ |
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DINST *dcur; |
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|
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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; |
| 216 |
} |
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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); |
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|
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/* Remove the divx4 instance from the chainlist */ |
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dinst_remove(key); |
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|
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break; |
| 225 |
} |
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|
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case DEC_OPT_SETPP: |
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{ |
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DINST *dcur; |
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|
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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; |
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} |
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|
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/* |
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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; |
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} |
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|
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case DEC_OPT_SETOUT: |
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{ |
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DINST *dcur; |
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DEC_PARAM *dparam = (DEC_PARAM *) param1; |
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|
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if ((dcur = dinst_find(key)) == NULL) { |
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return DEC_EXIT; |
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} |
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|
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/* 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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|
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return DEC_OK; |
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} |
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|
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case DEC_OPT_FRAME: |
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{ |
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int csp_tmp = 0; |
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DINST *dcur; |
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DEC_FRAME *dframe = (DEC_FRAME *) param1; |
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|
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if ((dcur = dinst_find(key)) == NULL) { |
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return DEC_EXIT; |
| 267 |
} |
| 268 |
|
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/* Copy the divx4 fields to the XviD decoder structure */ |
| 270 |
dcur->xframe.bitstream = dframe->bitstream; |
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dcur->xframe.length = dframe->length; |
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dcur->xframe.image = dframe->bmp; |
| 273 |
dcur->xframe.stride = dframe->stride; |
| 274 |
|
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/* Does the frame need to be skipped ? */ |
| 276 |
if (!dframe->render_flag) { |
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/* |
| 278 |
* Then we use the null colorspace to force XviD to |
| 279 |
* skip the frame. The original colorspace will be |
| 280 |
* restored after the decoder call |
| 281 |
*/ |
| 282 |
csp_tmp = dcur->xframe.colorspace; |
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dcur->xframe.colorspace = XVID_CSP_NULL; |
| 284 |
} |
| 285 |
|
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/* Decode the bitstream */ |
| 287 |
xerr = decoder_decode(dcur->handle, &dcur->xframe); |
| 288 |
|
| 289 |
/* Restore the real colorspace for this instance */ |
| 290 |
if (!dframe->render_flag) { |
| 291 |
dcur->xframe.colorspace = csp_tmp; |
| 292 |
} |
| 293 |
|
| 294 |
break; |
| 295 |
} |
| 296 |
|
| 297 |
case DEC_OPT_FRAME_311: |
| 298 |
/* XviD does not handle Divx ;-) 3.11 yet */ |
| 299 |
return DEC_EXIT; |
| 300 |
|
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case DEC_OPT_VERSION: |
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return EMULATED_DIVX_VERSION; |
| 303 |
|
| 304 |
default: |
| 305 |
return DEC_EXIT; |
| 306 |
} |
| 307 |
|
| 308 |
|
| 309 |
/* XviD error code -> Divx4 */ |
| 310 |
switch (xerr) { |
| 311 |
case XVID_ERR_OK: |
| 312 |
return DEC_OK; |
| 313 |
case XVID_ERR_MEMORY: |
| 314 |
return DEC_MEMORY; |
| 315 |
case XVID_ERR_FORMAT: |
| 316 |
return DEC_BAD_FORMAT; |
| 317 |
default: |
| 318 |
return DEC_EXIT; |
| 319 |
} |
| 320 |
} |
| 321 |
|
| 322 |
/************************************************************************** |
| 323 |
* Encore Part |
| 324 |
* |
| 325 |
* encore is the divx4 entry point used to compress a frame to a mpeg4 |
| 326 |
* bitstream. |
| 327 |
*************************************************************************/ |
| 328 |
|
| 329 |
#define FRAMERATE_INCR 1001 |
| 330 |
|
| 331 |
int |
| 332 |
encore(void *handle, |
| 333 |
int opt, |
| 334 |
void *param1, |
| 335 |
void *param2) |
| 336 |
{ |
| 337 |
|
| 338 |
int xerr; |
| 339 |
|
| 340 |
switch (opt) { |
| 341 |
case ENC_OPT_INIT: |
| 342 |
{ |
| 343 |
EINST *ecur; |
| 344 |
ENC_PARAM *eparam = (ENC_PARAM *) param1; |
| 345 |
XVID_INIT_PARAM xinit; |
| 346 |
XVID_ENC_PARAM xparam; |
| 347 |
|
| 348 |
/* Init XviD which will detect host cpu features */ |
| 349 |
xinit.cpu_flags = 0; |
| 350 |
xvid_init(NULL, 0, &xinit, NULL); |
| 351 |
|
| 352 |
/* Settings are copied to the XviD encoder structure */ |
| 353 |
xparam.width = eparam->x_dim; |
| 354 |
xparam.height = eparam->y_dim; |
| 355 |
if ((eparam->framerate - (int) eparam->framerate) == 0) { |
| 356 |
xparam.fincr = 1; |
| 357 |
xparam.fbase = (int) eparam->framerate; |
| 358 |
} else { |
| 359 |
xparam.fincr = FRAMERATE_INCR; |
| 360 |
xparam.fbase = (int) (FRAMERATE_INCR * eparam->framerate); |
| 361 |
} |
| 362 |
xparam.rc_bitrate = eparam->bitrate; |
| 363 |
xparam.rc_reaction_delay_factor = 16; |
| 364 |
xparam.rc_averaging_period = 100; |
| 365 |
xparam.rc_buffer = 100; |
| 366 |
xparam.min_quantizer = eparam->min_quantizer; |
| 367 |
xparam.max_quantizer = eparam->max_quantizer; |
| 368 |
xparam.max_key_interval = eparam->max_key_interval; |
| 369 |
|
| 370 |
#ifdef BFRAMES |
| 371 |
xparam.global = 0; |
| 372 |
xparam.max_bframes = -1; /* use "original" IP-frame encoder */ |
| 373 |
xparam.bquant_ratio = 200; |
| 374 |
xparam.frame_drop_ratio = 0; /* dont drop frames */ |
| 375 |
#endif |
| 376 |
|
| 377 |
/* Create the encoder session */ |
| 378 |
xerr = encoder_create(&xparam); |
| 379 |
|
| 380 |
eparam->handle = xparam.handle; |
| 381 |
|
| 382 |
/* Create an encoder instance in the chainlist */ |
| 383 |
if ((ecur = einst_find(xparam.handle)) == NULL) { |
| 384 |
ecur = einst_add(xparam.handle); |
| 385 |
|
| 386 |
if (ecur == NULL) { |
| 387 |
encoder_destroy((Encoder *) xparam.handle); |
| 388 |
return ENC_MEMORY; |
| 389 |
} |
| 390 |
|
| 391 |
} |
| 392 |
|
| 393 |
ecur->quality = eparam->quality; |
| 394 |
if (ecur->quality < 0) |
| 395 |
ecur->quality = 0; |
| 396 |
if (ecur->quality > 6) |
| 397 |
ecur->quality = 6; |
| 398 |
|
| 399 |
break; |
| 400 |
} |
| 401 |
|
| 402 |
case ENC_OPT_RELEASE: |
| 403 |
{ |
| 404 |
EINST *ecur; |
| 405 |
|
| 406 |
if ((ecur = einst_find(handle)) == NULL) { |
| 407 |
return ENC_FAIL; |
| 408 |
} |
| 409 |
|
| 410 |
einst_remove(handle); |
| 411 |
xerr = encoder_destroy((Encoder *) handle); |
| 412 |
|
| 413 |
break; |
| 414 |
} |
| 415 |
|
| 416 |
case ENC_OPT_ENCODE: |
| 417 |
case ENC_OPT_ENCODE_VBR: |
| 418 |
{ |
| 419 |
EINST *ecur; |
| 420 |
|
| 421 |
ENC_FRAME *eframe = (ENC_FRAME *) param1; |
| 422 |
ENC_RESULT *eresult = (ENC_RESULT *) param2; |
| 423 |
XVID_ENC_FRAME xframe; |
| 424 |
XVID_ENC_STATS xstats; |
| 425 |
|
| 426 |
if ((ecur = einst_find(handle)) == NULL) { |
| 427 |
return ENC_FAIL; |
| 428 |
} |
| 429 |
|
| 430 |
/* Copy the divx4 info into the xvid structure */ |
| 431 |
xframe.bitstream = eframe->bitstream; |
| 432 |
xframe.length = eframe->length; |
| 433 |
xframe.motion = divx4_motion_presets[ecur->quality]; |
| 434 |
xframe.general = divx4_general_presets[ecur->quality]; |
| 435 |
|
| 436 |
xframe.image = eframe->image; |
| 437 |
xframe.colorspace = xvid_to_opendivx_enc_csp(eframe->colorspace); |
| 438 |
|
| 439 |
if (opt == ENC_OPT_ENCODE_VBR) { |
| 440 |
xframe.intra = eframe->intra; |
| 441 |
xframe.quant = eframe->quant; |
| 442 |
} else { |
| 443 |
xframe.intra = -1; |
| 444 |
xframe.quant = 0; |
| 445 |
} |
| 446 |
|
| 447 |
/* Encode the frame */ |
| 448 |
xerr = |
| 449 |
encoder_encode((Encoder *) handle, &xframe, |
| 450 |
(eresult ? &xstats : NULL)); |
| 451 |
|
| 452 |
/* Copy back the xvid structure to the divx4 one */ |
| 453 |
if (eresult) { |
| 454 |
eresult->is_key_frame = xframe.intra; |
| 455 |
eresult->quantizer = xstats.quant; |
| 456 |
eresult->total_bits = xframe.length * 8; |
| 457 |
eresult->motion_bits = xstats.hlength * 8; |
| 458 |
eresult->texture_bits = |
| 459 |
eresult->total_bits - eresult->motion_bits; |
| 460 |
} |
| 461 |
|
| 462 |
eframe->length = xframe.length; |
| 463 |
|
| 464 |
break; |
| 465 |
} |
| 466 |
|
| 467 |
default: |
| 468 |
return ENC_FAIL; |
| 469 |
} |
| 470 |
|
| 471 |
/* XviD Error code -> Divx4 error code */ |
| 472 |
switch (xerr) { |
| 473 |
case XVID_ERR_OK: |
| 474 |
return ENC_OK; |
| 475 |
case XVID_ERR_MEMORY: |
| 476 |
return ENC_MEMORY; |
| 477 |
case XVID_ERR_FORMAT: |
| 478 |
return ENC_BAD_FORMAT; |
| 479 |
default: |
| 480 |
return ENC_FAIL; |
| 481 |
} |
| 482 |
} |
| 483 |
|
| 484 |
/************************************************************************** |
| 485 |
* Local Functions |
| 486 |
*************************************************************************/ |
| 487 |
|
| 488 |
/*************************************** |
| 489 |
* DINST chainlist helper functions * |
| 490 |
***************************************/ |
| 491 |
|
| 492 |
/* Find an element in the chainlist according to its key value */ |
| 493 |
static DINST * |
| 494 |
dinst_find(unsigned long key) |
| 495 |
{ |
| 496 |
DINST *dcur = dhead; |
| 497 |
|
| 498 |
while (dcur) { |
| 499 |
if (dcur->key == key) { |
| 500 |
return dcur; |
| 501 |
} |
| 502 |
dcur = dcur->next; |
| 503 |
} |
| 504 |
|
| 505 |
return NULL; |
| 506 |
} |
| 507 |
|
| 508 |
|
| 509 |
/* Add an element to the chainlist */ |
| 510 |
static DINST * |
| 511 |
dinst_add(unsigned long key) |
| 512 |
{ |
| 513 |
DINST *dnext = dhead; |
| 514 |
|
| 515 |
dhead = malloc(sizeof(DINST)); |
| 516 |
if (dhead == NULL) { |
| 517 |
dhead = dnext; |
| 518 |
return NULL; |
| 519 |
} |
| 520 |
|
| 521 |
dhead->key = key; |
| 522 |
dhead->next = dnext; |
| 523 |
|
| 524 |
return dhead; |
| 525 |
} |
| 526 |
|
| 527 |
|
| 528 |
/* Remove an elmement from the chainlist */ |
| 529 |
static void |
| 530 |
dinst_remove(unsigned long key) |
| 531 |
{ |
| 532 |
DINST *dcur = dhead; |
| 533 |
|
| 534 |
if (dhead == NULL) { |
| 535 |
return; |
| 536 |
} |
| 537 |
|
| 538 |
if (dcur->key == key) { |
| 539 |
dhead = dcur->next; |
| 540 |
free(dcur); |
| 541 |
return; |
| 542 |
} |
| 543 |
|
| 544 |
while (dcur->next) { |
| 545 |
if (dcur->next->key == key) { |
| 546 |
DINST *tmp = dcur->next; |
| 547 |
|
| 548 |
dcur->next = tmp->next; |
| 549 |
free(tmp); |
| 550 |
return; |
| 551 |
} |
| 552 |
dcur = dcur->next; |
| 553 |
} |
| 554 |
} |
| 555 |
|
| 556 |
|
| 557 |
/*************************************** |
| 558 |
* EINST chainlist helper functions * |
| 559 |
***************************************/ |
| 560 |
|
| 561 |
/* Find an element in the chainlist according to its handle */ |
| 562 |
static EINST * |
| 563 |
einst_find(void *handle) |
| 564 |
{ |
| 565 |
EINST *ecur = ehead; |
| 566 |
|
| 567 |
while (ecur) { |
| 568 |
if (ecur->handle == handle) { |
| 569 |
return ecur; |
| 570 |
} |
| 571 |
ecur = ecur->next; |
| 572 |
} |
| 573 |
|
| 574 |
return NULL; |
| 575 |
} |
| 576 |
|
| 577 |
|
| 578 |
/* Add an element to the chainlist */ |
| 579 |
static EINST * |
| 580 |
einst_add(void *handle) |
| 581 |
{ |
| 582 |
EINST *enext = ehead; |
| 583 |
|
| 584 |
ehead = malloc(sizeof(EINST)); |
| 585 |
if (ehead == NULL) { |
| 586 |
ehead = enext; |
| 587 |
return NULL; |
| 588 |
} |
| 589 |
|
| 590 |
ehead->handle = handle; |
| 591 |
ehead->next = enext; |
| 592 |
|
| 593 |
return ehead; |
| 594 |
} |
| 595 |
|
| 596 |
|
| 597 |
/* Remove an elmement from the chainlist */ |
| 598 |
static void |
| 599 |
einst_remove(void *handle) |
| 600 |
{ |
| 601 |
EINST *ecur = ehead; |
| 602 |
|
| 603 |
if (ehead == NULL) { |
| 604 |
return; |
| 605 |
} |
| 606 |
|
| 607 |
if (ecur->handle == handle) { |
| 608 |
ehead = ecur->next; |
| 609 |
free(ecur); |
| 610 |
return; |
| 611 |
} |
| 612 |
|
| 613 |
while (ecur->next) { |
| 614 |
if (ecur->next->handle == handle) { |
| 615 |
EINST *tmp = ecur->next; |
| 616 |
|
| 617 |
ecur->next = tmp->next; |
| 618 |
free(tmp); |
| 619 |
return; |
| 620 |
} |
| 621 |
ecur = ecur->next; |
| 622 |
} |
| 623 |
} |
| 624 |
|
| 625 |
/*************************************** |
| 626 |
* Colorspace code converter * |
| 627 |
***************************************/ |
| 628 |
|
| 629 |
static int |
| 630 |
xvid_to_opendivx_dec_csp(int csp) |
| 631 |
{ |
| 632 |
|
| 633 |
switch (csp) { |
| 634 |
case DEC_YV12: |
| 635 |
return XVID_CSP_YV12; |
| 636 |
case DEC_420: |
| 637 |
return XVID_CSP_I420; |
| 638 |
case DEC_YUY2: |
| 639 |
return XVID_CSP_YUY2; |
| 640 |
case DEC_UYVY: |
| 641 |
return XVID_CSP_UYVY; |
| 642 |
case DEC_RGB32: |
| 643 |
return XVID_CSP_VFLIP | XVID_CSP_RGB32; |
| 644 |
case DEC_RGB24: |
| 645 |
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
| 646 |
case DEC_RGB565: |
| 647 |
return XVID_CSP_VFLIP | XVID_CSP_RGB565; |
| 648 |
case DEC_RGB555: |
| 649 |
return XVID_CSP_VFLIP | XVID_CSP_RGB555; |
| 650 |
case DEC_RGB32_INV: |
| 651 |
return XVID_CSP_RGB32; |
| 652 |
case DEC_RGB24_INV: |
| 653 |
return XVID_CSP_RGB24; |
| 654 |
case DEC_RGB565_INV: |
| 655 |
return XVID_CSP_RGB565; |
| 656 |
case DEC_RGB555_INV: |
| 657 |
return XVID_CSP_RGB555; |
| 658 |
case DEC_USER: |
| 659 |
return XVID_CSP_USER; |
| 660 |
default: |
| 661 |
return -1; |
| 662 |
} |
| 663 |
} |
| 664 |
|
| 665 |
static int |
| 666 |
xvid_to_opendivx_enc_csp(int csp) |
| 667 |
{ |
| 668 |
|
| 669 |
switch (csp) { |
| 670 |
case ENC_CSP_RGB24: |
| 671 |
return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
| 672 |
case ENC_CSP_YV12: |
| 673 |
return XVID_CSP_YV12; |
| 674 |
case ENC_CSP_YUY2: |
| 675 |
return XVID_CSP_YUY2; |
| 676 |
case ENC_CSP_UYVY: |
| 677 |
return XVID_CSP_UYVY; |
| 678 |
case ENC_CSP_I420: |
| 679 |
return XVID_CSP_I420; |
| 680 |
default: |
| 681 |
return -1; |
| 682 |
} |
| 683 |
} |
