small bugfix: make sure width/height are known before trying to use them (wait the main stream to fully initialize)

prevents division by zero in draw_subtitle().

2 files changed, 5 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index b02a70b6e..781c5c6ed 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,6 +8,7 @@ xine-lib (1.1.9) (unreleased)
   * Improve syncing of audio and video in the presence of bad frames.
   * Improve handling of invalid or unknown frame sizes.
   * Fixed handling of streamed Flash videos (broken in 1.1.5).
+  * Fixed division by zero in sputext decoder
 
 xine-lib (1.1.8)
   * Send a channel-changed event to the frontend when receiving the SYNC
diff --git a/src/libsputext/xine_sputext_decoder.c b/src/libsputext/xine_sputext_decoder.c
index 4972e4843..5d9a3c116 100644
--- a/src/libsputext/xine_sputext_decoder.c
+++ b/src/libsputext/xine_sputext_decoder.c
@@ -703,9 +703,11 @@ static void spudec_decode_data (spu_decoder_t *this_gen, buf_element_t *buf) {
       lprintf("started\n");
 
       this->width = this->height = 0;
-      this->started = 1;
 
-      update_output_size( this );      
+      update_output_size( this );
+      if( this->width && this->height ) {
+        this->started = 1;
+      }
     }
 
     if( this->started ) {