[MPlayer-dev-eng] [PATCH] aspect ratio in vd_mpegpes

Nico Sabbi nicola_sabbi at fastwebnet.it
Mon Oct 9 00:47:51 CEST 2006


Nico Sabbi wrote:

> Hi,
> some users in -dvb and -users asked this patch again vd_mpegpes.c, 
> that permits
> to identify the correct aspect ratio of the video stream (at least for 
> mpeg2).
> If no one objects I'll commit it tomorrow.
>
>------------------------------------------------------------------------
>
>Index: libmpcodecs/vd_mpegpes.c
>===================================================================
>--- libmpcodecs/vd_mpegpes.c	(revisione 19838)
>+++ libmpcodecs/vd_mpegpes.c	(copia locale)
>@@ -3,6 +3,7 @@
> 
> #include "config.h"
> #include "mp_msg.h"
>+#include "mpeg_hdr.h"
> 
> #include "vd_internal.h"
> 
>@@ -39,6 +40,22 @@
> static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
>     mp_image_t* mpi;
>     static vo_mpegpes_t packet;
>+    mp_mpeg_header_t picture;
>+    const unsigned char *d = data;
>+
>+    if(len>10 && !d[0] && !d[1] && d[2]==1 && d[3]==0xB3) {
>+        float old_aspect = sh->aspect;
>+        int oldw = sh->disp_w, oldh = sh->disp_h;
>+        mp_header_process_sequence_header(&picture, &d[4]);
>+        sh->aspect = mpeg12_aspect_info(&picture);
>+        sh->disp_w = picture.display_picture_width;
>+        sh->disp_h = picture.display_picture_height;
>+        if(sh->aspect != old_aspect || sh->disp_w != oldw || sh->disp_h != oldh) {
>+            if(!mpcodecs_config_vo(sh, sh->disp_w,sh->disp_h,IMGFMT_MPEGPES))
>+                return 0;
>+        }
>+    }
>+    
>     mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0, sh->disp_w, sh->disp_h);
>     packet.data=data;
>     packet.size=len;
>  
>
>------------------------------------------------------------------------
>


applied



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