* modules/codec/ffmpeg: fixed a couple of corner cases during initialization.

modules/codec/ffmpeg/audio.c

@@ -126,6 +126,7 @@ int E_(InitAudioDec)( decoder_t *p_dec, AVCodecContext *p_context,
     {
         vlc_mutex_unlock( lockval.p_address );
         msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
+        free( p_sys );
         return VLC_EGENERIC;
     }
     vlc_mutex_unlock( lockval.p_address );

modules/codec/ffmpeg/ffmpeg.c

@@ -263,7 +263,7 @@ static int OpenDecoder( vlc_object_t *p_this )
         i_result = VLC_EGENERIC;
     }
 
-    p_dec->p_sys->i_cat = i_cat;
+    if( i_result == VLC_SUCCESS ) p_dec->p_sys->i_cat = i_cat;
 
     return i_result;
 }

modules/codec/ffmpeg/video.c

@@ -405,6 +405,7 @@ int E_(InitVideoDec)( decoder_t *p_dec, AVCodecContext *p_context,
     {
         vlc_mutex_unlock( lockval.p_address );
         msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
+        free( p_sys );
         return VLC_EGENERIC;
     }
     vlc_mutex_unlock( lockval.p_address );