[MPlayer-dev-eng] [PATCH] -forceaspect option

[Oded Shimon]

On Fri, Jul 01, 2005 at 05:41:32PM +0300, Oded Shimon wrote:
> This is handy for me, because I use -vo sdl:fbdev, (stop telling me to not 
> use SDL, buy me a better graphics card...) and for that I use -xy 800. but 
> for some videos it ends up 800x650 or whatever, which causes MPlayer to 
> crash (and occassionally lock up my terminal...). With this, I can use:
> -x 800 -y 600 -forceaspect

.. oops, forgot to attach.

- ods15
-------------- next part --------------
Index: libmpcodecs/vd.c
===================================================================
RCS file: /cvsroot/mplayer/main/libmpcodecs/vd.c,v
retrieving revision 1.83
diff -u -r1.83 vd.c
--- libmpcodecs/vd.c	18 Apr 2005 15:52:37 -0000	1.83
+++ libmpcodecs/vd.c	1 Jul 2005 14:33:28 -0000
@@ -123,6 +123,7 @@
 int opt_screen_size_y=0;
 float screen_size_xy=0;
 float movie_aspect=-1.0;
+int force_aspect=0;
 int vo_flags=0;
 int vd_use_slices=1;
 
@@ -300,6 +301,16 @@
       mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_MovieAspectUndefined);
     }
   }
+  if (force_aspect) {
+    float aspect = sh->aspect;
+    int w,h;
+    if (aspect < 0.01) aspect = (float)sh->disp_w/sh->disp_h;
+    mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_MovieAspectIsSet,aspect);
+    w = (int)((float)screen_size_y * aspect); w += w%2; // round
+    h = (int)((float)screen_size_x / aspect); h += h%2; // round
+    if (screen_size_x > w) screen_size_x = w;
+    else screen_size_y = h;
+  }
 
   vocfg_flags = (fullscreen ? VOFLAG_FULLSCREEN:0)
       | (vidmode ? VOFLAG_MODESWITCHING:0)
Index: cfg-common.h
===================================================================
RCS file: /cvsroot/mplayer/main/cfg-common.h,v
retrieving revision 1.145
diff -u -r1.145 cfg-common.h
--- cfg-common.h	13 May 2005 14:45:28 -0000	1.145
+++ cfg-common.h	1 Jul 2005 14:33:29 -0000
@@ -199,6 +199,8 @@
         {"nozoom", &softzoom, CONF_TYPE_FLAG, 0, 1, 0, NULL},
 	{"aspect", &movie_aspect, CONF_TYPE_FLOAT, CONF_RANGE, 0.2, 3.0, NULL},
 	{"noaspect", &movie_aspect, CONF_TYPE_FLAG, 0, 0, 0, NULL},
+        {"forceaspect", &force_aspect, CONF_TYPE_FLAG, 0, 0, 1, NULL},
+        {"noforceaspect", &force_aspect, CONF_TYPE_FLAG, 0, 1, 0, NULL},
 	{"xy", &screen_size_xy, CONF_TYPE_FLOAT, CONF_RANGE, 0.001, 4096, NULL},
 
         {"flip", &flip, CONF_TYPE_FLAG, 0, -1, 1, NULL},
@@ -302,6 +304,7 @@
 extern int flip;
 extern int vd_use_slices;
 extern int divx_quality;
+extern int force_aspect;
 
 /* defined in codec-cfg.c */
 extern char * codecs_file;
Index: DOCS/man/en/mplayer.1
===================================================================
RCS file: /cvsroot/mplayer/main/DOCS/man/en/mplayer.1,v
retrieving revision 1.1022
diff -u -r1.1022 mplayer.1
--- DOCS/man/en/mplayer.1	20 Jun 2005 18:28:46 -0000	1.1022
+++ DOCS/man/en/mplayer.1	1 Jul 2005 14:33:37 -0000
@@ -3184,6 +3184,10 @@
 Disable automatic movie aspect ratio compensation.
 .
 .TP
+.B \-forceaspect
+Force keeping movie aspect ratio even when -x or -y are set, by downscaling.
+.
+.TP
 .B \-flip \ 
 Flip image upside-down.
 .