out,out_stride);
}
-static int filter_frame(AVFilterLink *link, AVFrame *in)
+static int scale_frame(AVFilterLink *link, AVFrame *in, AVFrame **frame_out)
{
ScaleContext *scale = link->dst->priv;
AVFilterLink *outlink = link->dst->outputs[0];
char buf[32];
int in_range;
+ *frame_out = NULL;
if (in->colorspace == AVCOL_SPC_YCGCO)
av_log(link->dst, AV_LOG_WARNING, "Detected unsupported YCgCo colorspace.\n");
return ret;
}
- if (!scale->sws)
- return ff_filter_frame(outlink, in);
+ if (!scale->sws) {
+ *frame_out = in;
+ return 0;
+ }
scale->hsub = desc->log2_chroma_w;
scale->vsub = desc->log2_chroma_h;
av_frame_free(&in);
return AVERROR(ENOMEM);
}
+ *frame_out = out;
av_frame_copy_props(out, in);
out->width = outlink->w;
}
av_frame_free(&in);
- return ff_filter_frame(outlink, out);
+ return 0;
+}
+
+static int filter_frame(AVFilterLink *link, AVFrame *in)
+{
+ AVFilterContext *ctx = link->dst;
+ AVFilterLink *outlink = ctx->outputs[0];
+ AVFrame *out;
+ int ret;
+
+ ret = scale_frame(link, in, &out);
+ if (out)
+ return ff_filter_frame(outlink, out);
+
+ return ret;
}
static int filter_frame_ref(AVFilterLink *link, AVFrame *in)