mirror of
https://github.com/mpv-player/mpv
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fb610d5d97
a special case to the DMO decoder to handle this. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30648 b3059339-0415-0410-9bf9-f77b7e298cf2
133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer 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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* MPlayer 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 along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "help_mp.h"
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#include "vd_internal.h"
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#include "loader/dmo/DMO_VideoDecoder.h"
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static const vd_info_t info = {
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"DMO video codecs",
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"dmo",
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"A'rpi",
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"based on http://avifile.sf.net",
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"win32 codecs"
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};
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LIBVD_EXTERN(dmo)
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struct context {
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void *decoder;
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uint8_t *buffer;
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int stride;
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};
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// to set/get/query special features/parameters
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static int control(sh_video_t *sh,int cmd,void* arg,...){
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return CONTROL_UNKNOWN;
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}
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// init driver
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static int init(sh_video_t *sh){
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unsigned int out_fmt=sh->codec->outfmt[sh->outfmtidx];
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struct context *ctx;
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void *decoder;
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if(!(decoder=DMO_VideoDecoder_Open(sh->codec->dll,&sh->codec->guid, sh->bih, 0, 0))){
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mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MissingDLLcodec,sh->codec->dll);
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mp_msg(MSGT_DECVIDEO,MSGL_HINT,MSGTR_DownloadCodecPackage);
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return 0;
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}
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if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,out_fmt)) return 0;
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sh->context = ctx = calloc(1, sizeof(*ctx));
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ctx->decoder = decoder;
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switch(out_fmt){
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case IMGFMT_YUY2:
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case IMGFMT_UYVY:
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DMO_VideoDecoder_SetDestFmt(ctx->decoder,16,out_fmt);break; // packed YUV
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case IMGFMT_YV12:
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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DMO_VideoDecoder_SetDestFmt(ctx->decoder,12,out_fmt);break; // planar YUV
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case IMGFMT_YVU9:
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DMO_VideoDecoder_SetDestFmt(ctx->decoder,9,out_fmt);break;
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case IMGFMT_RGB24:
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case IMGFMT_BGR24:
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if (sh->disp_w & 3)
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{
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ctx->stride = ((sh->disp_w * 3) + 3) & ~3;
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ctx->buffer = memalign(64, ctx->stride * sh->disp_h);
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}
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default:
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DMO_VideoDecoder_SetDestFmt(ctx->decoder,out_fmt&255,0); // RGB/BGR
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}
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DMO_VideoDecoder_StartInternal(ctx->decoder);
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mp_msg(MSGT_DECVIDEO,MSGL_V,MSGTR_DMOInitOK);
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return 1;
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}
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// uninit driver
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static void uninit(sh_video_t *sh){
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struct context *ctx = sh->context;
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DMO_VideoDecoder_Destroy(ctx->decoder);
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free(ctx);
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sh->context = NULL;
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}
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//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h);
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// decode a frame
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static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
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struct context *ctx = sh->context;
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uint8_t *buffer = ctx->buffer;
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int type = ctx->buffer ? MP_IMGTYPE_EXPORT : MP_IMGTYPE_TEMP;
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mp_image_t* mpi;
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if(len<=0) return NULL; // skipped frame
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if(flags&3){
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// framedrop:
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DMO_VideoDecoder_DecodeInternal(ctx->decoder, data, len, 0, 0);
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return NULL;
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}
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mpi=mpcodecs_get_image(sh, type, MP_IMGFLAG_COMMON_PLANE,
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sh->disp_w, sh->disp_h);
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if (buffer) {
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mpi->planes[0] = buffer;
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mpi->stride[0] = ctx->stride;
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} else {
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buffer = mpi->planes[0];
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}
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if(!mpi){ // temporary!
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mp_msg(MSGT_DECVIDEO,MSGL_WARN,MSGTR_MPCODECS_CouldntAllocateImageForCinepakCodec);
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return NULL;
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}
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DMO_VideoDecoder_DecodeInternal(ctx->decoder, data, len, 1, buffer);
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return mpi;
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}
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