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https://github.com/mpv-player/mpv
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4957073078
Use new dll only for new files, it can't decode old files (patch by me) git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15345 b3059339-0415-0410-9bf9-f77b7e298cf2
119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
#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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#ifdef USE_DIRECTSHOW
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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/dshow/DS_VideoDecoder.h"
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static vd_info_t info = {
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"DirectShow video codecs",
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"dshow",
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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(dshow)
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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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switch(cmd){
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case VDCTRL_QUERY_MAX_PP_LEVEL:
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return 4;
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case VDCTRL_SET_PP_LEVEL:
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if(!sh->context) return CONTROL_ERROR;
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DS_VideoDecoder_SetValue(sh->context,"Quality",*((int*)arg));
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return CONTROL_OK;
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case VDCTRL_SET_EQUALIZER: {
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va_list ap;
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int value;
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va_start(ap, arg);
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value=va_arg(ap, int);
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va_end(ap);
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if(DS_VideoDecoder_SetValue(sh->context,arg,50+value/2)==0)
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return CONTROL_OK;
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return CONTROL_FALSE;
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}
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}
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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;
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/* Hack for VSSH codec: new dll can't decode old files
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* In my samples old files have no extradata, so use that info
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* to decide what dll should be used (here and in vd_vfw).
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*/
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if (!strcmp(sh->codec->dll, "vsshdsd.dll") && (sh->bih->biSize == 40))
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return 0;
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if(!(sh->context=DS_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,IMGFMT_YUY2)) return 0;
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out_fmt=sh->codec->outfmt[sh->outfmtidx];
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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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DS_VideoDecoder_SetDestFmt(sh->context,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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DS_VideoDecoder_SetDestFmt(sh->context,12,out_fmt);break; // planar YUV
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case IMGFMT_YVU9:
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DS_VideoDecoder_SetDestFmt(sh->context,9,out_fmt);break;
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default:
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DS_VideoDecoder_SetDestFmt(sh->context,out_fmt&255,0); // RGB/BGR
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}
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DS_SetAttr_DivX("Quality",divx_quality);
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DS_VideoDecoder_StartInternal(sh->context);
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mp_msg(MSGT_DECVIDEO,MSGL_V,MSGTR_DShowInitOK);
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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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DS_VideoDecoder_Destroy(sh->context);
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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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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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DS_VideoDecoder_DecodeInternal(sh->context, data, len, 0, 0);
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return NULL;
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}
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mpi=mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, 0 /*MP_IMGFLAG_ACCEPT_STRIDE*/,
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sh->disp_w, sh->disp_h);
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if(!mpi){ // temporary!
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printf("couldn't allocate image for cinepak codec\n");
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return NULL;
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}
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DS_VideoDecoder_DecodeInternal(sh->context, data, len, 0, mpi->planes[0]);
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return mpi;
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}
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#endif
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