ffv1enc: use default number of slices if unspecified

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago · af285072b5
parent 051dd2eea6
commit af285072b5
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/ffv1.c
+++ b/libavcodec/ffv1.c
@ -1106,7 +1106,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
    if(s->version>1){
        for(s->num_v_slices=2; s->num_v_slices<9; s->num_v_slices++){
            for(s->num_h_slices=s->num_v_slices; s->num_h_slices<2*s->num_v_slices; s->num_h_slices++){
-                if(avctx->slices == s->num_h_slices * s->num_v_slices && avctx->slices <= 64)
+                if(avctx->slices == s->num_h_slices * s->num_v_slices && avctx->slices <= 64 || !avctx->slices)
                    goto slices_ok;
            }
        }