From 0a83c6ec7bfeef0f53c6e891fcb5788d9fe88ed6 Mon Sep 17 00:00:00 2001
From: nick <nick@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sun, 17 Feb 2002 12:22:01 +0000
Subject: [PATCH] More correct direct rendering usage

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4742 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 dec_video.c         |  9 +++++----
 dec_video.h         |  2 +-
 libvo/vosub_vidix.c | 12 ++++++++----
 mplayer.c           |  2 +-
 4 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/dec_video.c b/dec_video.c
index 7000286be1..d15c248a8a 100644
--- a/dec_video.c
+++ b/dec_video.c
@@ -779,14 +779,15 @@ if ((sh_video->codec->driver == VFM_QTRLE) && (sh_video->bih->biBitCount != 24))
 
 extern int vaa_use_dr;
 
-static int use_dr=0;
+static int use_dr=0,use_dr_422=0;
 static bes_da_t bda;
-void init_video_vaa( void )
+void init_video_vaa( unsigned width )
 {
   memset(&bda,0,sizeof(bes_da_t));
   if(vo_vaa.query_bes_da)
     use_dr = vo_vaa.query_bes_da(&bda) ? 0 : 1;
   if(!vaa_use_dr) use_dr = 0;
+  use_dr_422 = use_dr && bda.dest.pitch.y == 16 && (width*2+15)&~15 == width*2;
 }
 
 #ifdef USE_LIBVO2
@@ -939,7 +940,7 @@ switch(sh_video->codec->driver){
     {
 	/* FIXME: WILL WORK ONLY FOR PACKED FOURCC. BUT WHAT ABOUT PLANAR? */
         vmem = 0;
-	if(use_dr && bda.dest.pitch.y == 16)
+	if(use_dr_422)
 	{
 	    vmem = bda.dga_addr + bda.offsets[0] + bda.offset.y;
 	    if(vo_doublebuffering && bda.num_frames>1)
@@ -1054,7 +1055,7 @@ if(verbose>1){
     if(!in_size) break;
 	/* FIXME: WILL WORK ONLY FOR PACKED FOURCC. BUT WHAT ABOUT PLANAR? */
         vmem = 0;
-	if(use_dr && bda.dest.pitch.y == 16)
+	if(use_dr_422)
 	{
 	    vmem = bda.dga_addr + bda.offsets[0] + bda.offset.y;
 	    if(vo_doublebuffering && bda.num_frames>1)
diff --git a/dec_video.h b/dec_video.h
index 86251316a2..ab5451cd90 100644
--- a/dec_video.h
+++ b/dec_video.h
@@ -3,7 +3,7 @@
 extern int video_read_properties(sh_video_t *sh_video);
 
 extern int init_video(sh_video_t *sh_video, int *pitches);
-extern void init_video_vaa( void );
+extern void init_video_vaa( unsigned width );
 void uninit_video(sh_video_t *sh_video);
 
 #ifdef USE_LIBVO2
diff --git a/libvo/vosub_vidix.c b/libvo/vosub_vidix.c
index 4cf9ad9be9..531a081976 100644
--- a/libvo/vosub_vidix.c
+++ b/libvo/vosub_vidix.c
@@ -210,6 +210,7 @@ static uint32_t vidix_draw_slice_422(uint8_t *image[], int stride[], int w,int h
         src+=stride[0];
         dest += bespitch;
     }
+printf("\nw = %u apitch=%u stride[0] = %u bespitch=%u\n",w,apitch,stride[0],bespitch);
 
     return 0;
 }
@@ -479,7 +480,7 @@ int      vidix_init(unsigned src_width,unsigned src_height,
 		   unsigned vid_w,unsigned vid_h,const void *info)
 {
   size_t i,awidth;
-  int err;
+  int err,is_422_planes_eq;
   if(verbose > 1)
      printf("vosub_vidix: vidix_init() was called\n"
     	    "src_w=%u src_h=%u dest_x_y_w_h = %u %u %u %u\n"
@@ -607,23 +608,26 @@ int      vidix_init(unsigned src_width,unsigned src_height,
 	    memset(vidix_mem + vidix_play.offsets[i], 0x80,
 		vidix_play.frame_size);
         /* tune some info here */
+	is_422_planes_eq = vidix_play.src.pitch.y == vidix_play.dest.pitch.y &&
+		       src_width*2 == (src_width*2+(vidix_play.dest.pitch.y-1))&~
+		       (vidix_play.dest.pitch.y-1);
         if(src_format == IMGFMT_YV12 || src_format == IMGFMT_I420 || src_format == IMGFMT_IYUV)
 		vo_server->draw_slice = vidix_draw_slice_420;
 	else
 	if(src_format == IMGFMT_RGB32 || src_format == IMGFMT_BGR32)
 		vo_server->draw_slice =
-			vidix_play.src.pitch.y == vidix_play.dest.pitch.y ?
+			is_422_planes_eq ?
 			vidix_draw_slice_32_fast:
 			vidix_draw_slice_32;
 	else
 	if(src_format == IMGFMT_RGB24 || src_format == IMGFMT_BGR24)
 		vo_server->draw_slice =
-			vidix_play.src.pitch.y == vidix_play.dest.pitch.y ?
+			is_422_planes_eq ?
 			vidix_draw_slice_24_fast:
 			vidix_draw_slice_24;
 	else
 		vo_server->draw_slice =
-			vidix_play.src.pitch.y == vidix_play.dest.pitch.y ?
+			is_422_planes_eq ?
 			vidix_draw_slice_422_fast:
 			vidix_draw_slice_422;
 	return 0;
diff --git a/mplayer.c b/mplayer.c
index c546fa1b33..8f6c078ed5 100644
--- a/mplayer.c
+++ b/mplayer.c
@@ -1400,7 +1400,7 @@ current_module="init_libvo";
 	    */
 	}
    }
-   init_video_vaa();
+   init_video_vaa(sh_video->disp_w);
    fflush(stdout);
 
 //================== MAIN: ==========================