put the warning to the right place to avoid crashes

Originally committed as revision 3448 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/ffv1.c

@@ -537,6 +537,12 @@ static int encode_init(AVCodecContext *avctx)
     FFV1Context *s = avctx->priv_data;
     int i;
 
+    if(avctx->strict_std_compliance >= 0){
+        av_log(avctx, AV_LOG_ERROR, "this codec is under development, files encoded with it wont be decodeable with future versions!!!\n"
+               "use vstrict=-1 to use it anyway\n");
+        return -1;
+    }
+        
     common_init(avctx);
  
     s->version=0;
@@ -629,12 +635,6 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
     AVFrame * const p= &f->picture;
     int used_count= 0;
 
-    if(avctx->strict_std_compliance >= 0){
-        av_log(avctx, AV_LOG_ERROR, "this codec is under development, files encoded with it wont be decodeable with future versions!!!\n"
-               "use vstrict=-1 to use it anyway\n");
-        return -1;
-    }
-        
     ff_init_cabac_encoder(c, buf, buf_size);
     ff_init_cabac_states(c, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64);
     c->lps_state[2] = 1;