codec/schroedinger: handle cases where schro invents a placeholder pic

Signed-off-by: David Flynn <davidf@rd.bbc.co.uk>
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

diff --git a/modules/codec/schroedinger.c b/modules/codec/schroedinger.c
index 4bb392a6e6474e2ff7cb3a5e6fefaa2c4d3f1938..1f39df1a38f96ac7bbf7e8bc36b6d6494b1aede3 100644 (file)
--- a/modules/codec/schroedinger.c
+++ b/modules/codec/schroedinger.c
@@ -528,6 +528,11 @@ static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
         case SCHRO_DECODER_OK:
             u_pnum = schro_decoder_get_picture_number( p_sys->p_schro );
             p_schroframe = schro_decoder_pull( p_sys->p_schro );
+            if( !p_schroframe->priv )
+            {
+                schro_frame_unref( p_schroframe );
+                break;
+            }
             p_pic = ((struct picture_free_t*) p_schroframe->priv)->p_pic;
             p_schroframe->priv = NULL;
             schro_frame_unref( p_schroframe );