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