VAR_SAMPLE_RATE   307 libavfilter/af_volume.c     vol->var_values[VAR_SAMPLE_RATE] = inlink->sample_rate;
VAR_SAMPLE_RATE   311 libavfilter/af_volume.c            vol->var_values[VAR_SAMPLE_RATE],
VAR_SAMPLE_RATE   234 libavfilter/f_select.c     select->var_values[VAR_SAMPLE_RATE] =
VAR_SAMPLE_RATE   127 libavfilter/setpts.c     setpts->var_values[VAR_SAMPLE_RATE] =
VAR_SAMPLE_RATE   136 libavfilter/setpts.c            setpts->var_values[VAR_SAMPLE_RATE]);