avcodec: add adpcm dat4 decoder

[ffmpeg] / libavfilter / vf_zoompan.c

diff --git a/libavfilter/vf_zoompan.c b/libavfilter/vf_zoompan.c
index 5acbe4295077d15ecda65bb31fc8bd1ba00feec7..99a1a346a316ea3564a6b2be32433b39ec9355d3 100644 (file)
--- a/libavfilter/vf_zoompan.c
+++ b/libavfilter/vf_zoompan.c
@@ -265,8 +265,8 @@ static int request_frame(AVFilterLink *outlink)
     AVFilterContext *ctx = outlink->src;
     ZPContext *s = ctx->priv;
     AVFrame *in = s->in;
-    double zoom, dx, dy;
-    int ret;
+    double zoom=1, dx=0, dy=0;
+    int ret = -1;
 
     if (in) {
         ret = output_single_frame(ctx, in, s->var_values, s->current_frame,
@@ -283,7 +283,6 @@ static int request_frame(AVFilterLink *outlink)
         s->nb_frames = 0;
         s->current_frame = 0;
         av_frame_free(&s->in);
-        ret = 0;
         s->finished = 1;
         ret = ff_request_frame(ctx->inputs[0]);
     }