[FFmpeg-cvslog] avcodec/snow: replace unspecific error code

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Jun  4 12:39:28 2015 +0200| [4cb7cd4c84146770ccb925b7a95138f750bbdbd7] | committer: Michael Niedermayer

avcodec/snow: replace unspecific error code

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4cb7cd4c84146770ccb925b7a95138f750bbdbd7
---

 libavcodec/snow.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 33a2dbc..5201d57 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -679,7 +679,7 @@ int ff_snow_frame_start(SnowContext *s){
         s->ref_frames= i;
         if(s->ref_frames==0){
             av_log(s->avctx,AV_LOG_ERROR, "No reference frames\n");
-            return -1;
+            return AVERROR_INVALIDDATA;
         }
     }
     if ((ret = ff_snow_get_buffer(s, s->current_picture)) < 0)