transcode: use NULL for pointers

modules/stream_out/transcode.c

@@ -1454,7 +1454,7 @@ static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
      */
     id->p_decoder->fmt_out = id->p_decoder->fmt_in;
     id->p_decoder->fmt_out.i_extra = 0;
-    id->p_decoder->fmt_out.p_extra = 0;
+    id->p_decoder->fmt_out.p_extra = NULL;
     id->p_decoder->pf_decode_video = NULL;
     id->p_decoder->pf_get_cc = NULL;
     id->p_decoder->pf_get_cc = 0;
@@ -1467,7 +1467,7 @@ static int transcode_video_new( sout_stream_t *p_stream, sout_stream_id_t *id )
         return VLC_EGENERIC;
 
     for( i = 0; i < PICTURE_RING_SIZE; i++ )
-        id->p_decoder->p_owner->pp_pics[i] = 0;
+        id->p_decoder->p_owner->pp_pics[i] = NULL;
     id->p_decoder->p_owner->p_sys = p_sys;
     /* id->p_decoder->p_cfg = p_sys->p_video_cfg; */
 
@@ -1646,7 +1646,6 @@ static void transcode_video_encoder_init( sout_stream_t *p_stream,
          f_scale_height = (float)p_sys->i_maxheight / i_src_height;
      }
 
-
      /* Change aspect ratio from source pixel to scaled pixel */
      f_aspect = f_aspect * f_scale_height / f_scale_width;
      msg_Dbg( p_stream, "scaled pixel aspect is %f:1", f_aspect );