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/*****************************************************************************
*
* - XviD 1.0 decoder module for mplayer/mencoder -
*
* Copyright(C) 2003 Marco Belli <elcabesa@inwind.it>
* 2003 Edouard Gomez <ed.gomez@free.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*****************************************************************************/
/*****************************************************************************
* Includes
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "mp_msg.h"
#ifdef HAVE_XVID4
#include "vd_internal.h"
#include "m_option.h"
#include <xvid.h>
/*****************************************************************************
* Configuration options
****************************************************************************/
static int do_dr2 = 1;
m_option_t xvid_dec_opts[] = {
{ "dr2", &do_dr2, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{ "nodr2", &do_dr2, CONF_TYPE_FLAG, 0, 1, 0, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
/*****************************************************************************
* Module private data
****************************************************************************/
typedef struct {
int cs;
unsigned char img_type;
void* hdl;
mp_image_t* mpi;
} priv_t;
/*****************************************************************************
* Video decoder API function definitions
****************************************************************************/
/*============================================================================
* control - to set/get/query special features/parameters
*==========================================================================*/
static int control(sh_video_t *sh,int cmd,void* arg,...)
{
return(CONTROL_UNKNOWN);
}
/*============================================================================
* init - initialize the codec
*==========================================================================*/
static int init(sh_video_t *sh)
{
xvid_gbl_init_t xvid_ini;
xvid_dec_create_t dec_p;
priv_t* p;
int cs;
memset(&xvid_ini, 0, sizeof(xvid_gbl_init_t));
xvid_ini.version = XVID_VERSION;
memset(&dec_p, 0, sizeof(xvid_dec_create_t));
dec_p.version = XVID_VERSION;
if(!mpcodecs_config_vo(sh, sh->disp_w, sh->disp_h, IMGFMT_YV12))
return(0);
switch(sh->codec->outfmt[sh->outfmtidx]){
case IMGFMT_YV12:
/* We will use our own buffers, this speeds decoding avoiding
* frame memcpy's overhead */
cs = (do_dr2)?XVID_CSP_INTERNAL:XVID_CSP_USER;
break;
case IMGFMT_YUY2:
cs = XVID_CSP_YUY2;
break;
case IMGFMT_UYVY:
cs = XVID_CSP_UYVY;
break;
case IMGFMT_I420:
case IMGFMT_IYUV:
/* We will use our own buffers, this speeds decoding avoiding
* frame memcpy's overhead */
cs = (do_dr2)?XVID_CSP_INTERNAL:XVID_CSP_USER;
break;
case IMGFMT_BGR15:
cs = XVID_CSP_RGB555;
break;
case IMGFMT_BGR16:
cs = XVID_CSP_RGB565;
break;
case IMGFMT_BGR32:
cs = XVID_CSP_BGRA;
break;
case IMGFMT_YVYU:
cs = XVID_CSP_YVYU;
break;
default:
mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Unsupported out_fmt: 0x%X\n",
sh->codec->outfmt[sh->outfmtidx]);
return(0);
}
if(xvid_global(NULL, XVID_GBL_INIT, &xvid_ini, NULL))
return(0);
dec_p.width = sh->disp_w;
dec_p.height = sh->disp_h;
if(xvid_decore(0, XVID_DEC_CREATE, &dec_p, NULL)<0) {
mp_msg(MSGT_DECVIDEO, MSGL_ERR, "XviD init failed\n");
return(0);
}
p = (priv_t*)malloc(sizeof(priv_t));
p->cs = cs;
p->hdl = dec_p.handle;
sh->context = p;
switch(cs) {
case XVID_CSP_INTERNAL:
p->img_type = MP_IMGTYPE_EXPORT;
break;
case XVID_CSP_USER:
p->img_type = MP_IMGTYPE_STATIC;
break;
default:
p->img_type = MP_IMGTYPE_TEMP;
break;
}
return(1);
}
/*============================================================================
* uninit - close the codec
*==========================================================================*/
static void uninit(sh_video_t *sh){
priv_t* p = sh->context;
if(!p)
return;
xvid_decore(p->hdl,XVID_DEC_DESTROY, NULL, NULL);
free(p);
}
/*============================================================================
* decode - decode a frame from stream
*==========================================================================*/
static mp_image_t* decode(sh_video_t *sh, void* data, int len, int flags)
{
xvid_dec_frame_t dec;
priv_t* p = sh->context;
mp_image_t* mpi = mpcodecs_get_image(sh, p->img_type,
MP_IMGFLAG_ACCEPT_STRIDE,
sh->disp_w,sh->disp_h);
if(!data || !mpi || len <= 0)
return(NULL);
memset(&dec,0,sizeof(xvid_dec_frame_t));
dec.version = XVID_VERSION;
dec.bitstream = data;
dec.length = len;
dec.general |= XVID_LOWDELAY;
dec.output.csp = p->cs;
if(p->cs != XVID_CSP_INTERNAL) {
dec.output.plane[0] = mpi->planes[0];
dec.output.plane[1] = mpi->planes[1];
dec.output.plane[2] = mpi->planes[2];
dec.output.stride[0] = mpi->stride[0];
dec.output.stride[1] = mpi->stride[1];
dec.output.stride[2] = mpi->stride[2];
}
if(xvid_decore(p->hdl, XVID_DEC_DECODE, &dec, NULL) < 0) {
mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Decoding error\n");
return(NULL);
}
if(p->cs == XVID_CSP_INTERNAL) {
mpi->planes[0] = dec.output.plane[0];
mpi->planes[1] = dec.output.plane[1];
mpi->planes[2] = dec.output.plane[2];
mpi->stride[0] = dec.output.stride[0];
mpi->stride[1] = dec.output.stride[1];
mpi->stride[2] = dec.output.stride[2];
}
return(mpi);
}
/*****************************************************************************
* Module structure definition
****************************************************************************/
static vd_info_t info =
{
"XviD 1.0 decoder",
"xvid",
"Marco Belli <elcabesa@inwind.it>, Edouard Gomez <ed.gomez@free.fr>",
"Marco Belli <elcabesa@inwind.it>, Edouard Gomez <ed.gomez@free.fr>",
"No Comment"
};
LIBVD_EXTERN(xvid)
#endif /* HAVE_XVID4 */
/* Please do not change that tag comment.
* arch-tag: b7d654a5-76ea-4768-9713-2c791567fe7d mplayer xvid decoder module */
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