[MPlayer-dev-eng] [PATCH] HuffYUV native support

[Roberto Togni]

On 2002.03.21 00:05 Arpi wrote:
> Hi,
> 
> > These patches add HuffYUV native support to Mplayer for YUV and RGB
> > files (RGBA not supported yet).
> >
> [...]
> the list of supported outfmts is still in codecs.conf, but you can
> implement
> the QUERY_FORMAT control() call so these will be queried, and in case
> of
> FALSE reply they will be removed from codecs.conf list by vd.c.
> 
> see the vd_raw.c for example.
> 
> the QUERY_FORMAT control call will be called from
> mpcodecs_config_vo().
> 
> [...]
> 
> yes. also implement that control() case.
> only automatic conversion missing from libmpcodecs.
> 
> > I also had to disable MP_IMAGEFLAG_ACCEPT_STRIDE for BGR32/BGR24
> output
> > because it wasn't working, i'm still looking at it.
> ok
> 
Attached you can find a patch that implements control() for HuffYUV 
decoder.

Ciao,
  Roberto
-------------- next part --------------
--- vd_huffyuv.c.orig	Thu Mar 21 02:21:35 2002
+++ vd_huffyuv.c	Thu Mar 21 00:13:00 2002
@@ -161,8 +161,23 @@
 
 
 // to set/get/query special features/parameters
-static int control(sh_video_t *sh,int cmd,void* arg,...){
-    return CONTROL_UNKNOWN;
+static int control(sh_video_t *sh,int cmd,void* arg,...)
+{
+	switch(cmd) {
+		case VDCTRL_QUERY_FORMAT:
+			if  (((huffyuv_context_t *)(sh->context))->bitmaptype == BMPTYPE_YUV) {
+				if (*((int*)arg) == IMGFMT_YUY2)
+					return CONTROL_TRUE;
+				else
+					return CONTROL_FALSE;
+			} else {
+				if ((*((int*)arg) == IMGFMT_BGR32) || (*((int*)arg) == IMGFMT_BGR24))
+					return CONTROL_TRUE;
+				else
+					return CONTROL_FALSE;
+			}
+	}
+	return CONTROL_UNKNOWN;
 }