From 233da95fea76a807830f590b37affc3868f3c393 Mon Sep 17 00:00:00 2001
From: arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Wed, 6 Mar 2002 22:03:46 +0000
Subject: vd_dshow added

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4959 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libmpcodecs/vd_dshow.c | 109 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 libmpcodecs/vd_dshow.c

(limited to 'libmpcodecs/vd_dshow.c')

diff --git a/libmpcodecs/vd_dshow.c b/libmpcodecs/vd_dshow.c
new file mode 100644
index 0000000000..9d44219a11
--- /dev/null
+++ b/libmpcodecs/vd_dshow.c
@@ -0,0 +1,109 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "config.h"
+#ifdef USE_DIRECTSHOW
+
+#include "mp_msg.h"
+#include "help_mp.h"
+
+
+#include "codec-cfg.h"
+#include "../libvo/img_format.h"
+
+#include "stream.h"
+#include "demuxer.h"
+#include "stheader.h"
+
+#include "vd.h"
+#include "vd_internal.h"
+
+#include "loader/dshow/DS_VideoDecoder.h"
+
+static vd_info_t info = {
+	"DirectShow video codecs",
+	"dshow",
+	VFM_DSHOW,
+	"A'rpi",
+	"based on http://avifile.sf.net",
+	"win32 codecs"
+};
+
+LIBVD_EXTERN(dshow)
+
+// to set/get/query special features/parameters
+static int control(sh_video_t *sh,int cmd,void* arg,...){
+    switch(cmd){
+    case VDCTRL_QUERY_MAX_PP_LEVEL:
+	return 4;
+    case VDCTRL_SET_PP_LEVEL:
+	if(!sh->context) return CONTROL_ERROR;
+	DS_VideoDecoder_SetValue(sh->context,"Quality",*((int*)arg));
+	return CONTROL_OK;
+
+// TODO: query/set video options (brightness contrast etc)
+//        DS_VideoDecoder_SetValue(ds_vdec,item,value);
+	
+    }
+    return CONTROL_UNKNOWN;
+}
+
+// init driver
+static int init(sh_video_t *sh){
+    unsigned int out_fmt;
+    if(!(sh->context=DS_VideoDecoder_Open(sh->codec->dll,&sh->codec->guid, sh->bih, 0, 0))){
+        mp_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_MissingDLLcodec,sh->codec->dll);
+        mp_msg(MSGT_DECVIDEO,MSGL_HINT,"Maybe you forget to upgrade your win32 codecs?? It's time to download the new\n");
+        mp_msg(MSGT_DECVIDEO,MSGL_HINT,"package from:  ftp://mplayerhq.hu/MPlayer/releases/w32codec.zip  !\n");
+	return 0;
+    }
+    mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2);
+    out_fmt=sh->codec->outfmt[sh->outfmtidx];
+    switch(out_fmt){
+    case IMGFMT_YUY2:
+    case IMGFMT_UYVY:
+	DS_VideoDecoder_SetDestFmt(sh->context,16,out_fmt);break; // packed YUV
+    case IMGFMT_YV12:
+    case IMGFMT_I420:
+    case IMGFMT_IYUV:
+	DS_VideoDecoder_SetDestFmt(sh->context,12,out_fmt);break; // planar YUV
+    default:
+	DS_VideoDecoder_SetDestFmt(sh->context,out_fmt&255,0);    // RGB/BGR
+    }
+    DS_VideoDecoder_StartInternal(sh->context);
+    mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32/DShow video codec init OK!\n");
+    return 1;
+}
+
+// uninit driver
+static void uninit(sh_video_t *sh){
+    DS_VideoDecoder_Destroy(sh->context);
+}
+
+//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h);
+
+// decode a frame
+static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
+    mp_image_t* mpi;
+    if(len<=0) return NULL; // skipped frame
+    
+    if(flags&3){
+	// framedrop:
+        DS_VideoDecoder_DecodeInternal(sh->context, data, len, 0, 0);
+	return NULL;
+    }
+    
+    mpi=mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, 0 /*MP_IMGFLAG_ACCEPT_STRIDE*/, 
+	sh->disp_w, sh->disp_h);
+    
+    if(!mpi){	// temporary!
+	printf("couldn't allocate image for cinepak codec\n");
+	return NULL;
+    }
+
+    DS_VideoDecoder_DecodeInternal(sh->context, data, len, 0, mpi->planes[0]);
+
+    return mpi;
+}
+
+#endif
-- 
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