[vlc-commits] packetizer: mpegvideo: fix divbyzero

[Francois Cartegnie]

vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Mon Apr 17 16:05:39 2017 +0200| [4a4e0c58606dccbb829e726337e0d688eb35adb6] | committer: Francois Cartegnie

packetizer: mpegvideo: fix divbyzero

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=4a4e0c58606dccbb829e726337e0d688eb35adb6
---

 modules/packetizer/mpegvideo.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/modules/packetizer/mpegvideo.c b/modules/packetizer/mpegvideo.c
index 39c94a4afe..67dd1bbee8 100644
--- a/modules/packetizer/mpegvideo.c
+++ b/modules/packetizer/mpegvideo.c
@@ -661,8 +661,9 @@ static block_t *ParseMPEGBlock( decoder_t *p_dec, block_t *p_frag )
         p_sys->i_frame_rate_base =
             code_to_frame_rate[p_frag->p_buffer[7]&0x0f][1];
 
-        if( p_sys->i_frame_rate != p_dec->fmt_out.video.i_frame_rate ||
-            p_dec->fmt_out.video.i_frame_rate_base != p_sys->i_frame_rate_base )
+        if( ( p_sys->i_frame_rate != p_dec->fmt_out.video.i_frame_rate ||
+              p_dec->fmt_out.video.i_frame_rate_base != p_sys->i_frame_rate_base ) &&
+            p_sys->i_frame_rate && p_sys->i_frame_rate_base )
         {
             date_Change( &p_sys->dts, 2 * p_sys->i_frame_rate, p_sys->i_frame_rate_base );
             date_Change( &p_sys->prev_iframe_dts, 2 * p_sys->i_frame_rate, p_sys->i_frame_rate_base );