[vlc-devel] commit: libmpeg2: Fix aspect ratio calculation according to MPEG standard. ( Marian Ďurkovič )

[git version control]

vlc | branch: master | Marian Ďurkovič <md at bts.sk> | Tue Oct 20 10:11:24 2009 +0200| [d3cb36d54f49c35a6f507b5aa5db2603e2373ab9] | committer: Marian Ďurkovič 

libmpeg2: Fix aspect ratio calculation according to MPEG standard.

The library delivers us pixel width/height relative to display size
so we must compute it accordingly, otherwise we have conflicting data
in i_sar_num/i_sar_den and i_aspect.

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=d3cb36d54f49c35a6f507b5aa5db2603e2373ab9
---

 modules/codec/libmpeg2.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/codec/libmpeg2.c b/modules/codec/libmpeg2.c
index e0dcd84..b0239e7 100644
--- a/modules/codec/libmpeg2.c
+++ b/modules/codec/libmpeg2.c
@@ -732,10 +732,10 @@ static void GetAR( decoder_t *p_dec )
         if( p_sys->p_info->sequence->pixel_height > 0 )
         {
             p_sys->i_aspect =
-                ((uint64_t)p_sys->p_info->sequence->picture_width) *
+                ((uint64_t)p_sys->p_info->sequence->display_width) *
                 p_sys->p_info->sequence->pixel_width *
                 VOUT_ASPECT_FACTOR /
-                p_sys->p_info->sequence->picture_height /
+                p_sys->p_info->sequence->display_height /
                 p_sys->p_info->sequence->pixel_height;
             p_sys->i_sar_num = p_sys->p_info->sequence->pixel_width;
             p_sys->i_sar_den = p_sys->p_info->sequence->pixel_height;