get_channel       182 libavfilter/af_channelmap.c             if (get_channel(&mapping, &in_ch, separator) < 0) {
get_channel       200 libavfilter/af_channelmap.c                 get_channel(&mapping, &out_ch, separator) < 0 ||
get_channel       210 libavfilter/af_channelmap.c             if (get_channel(&mapping, &in_ch, '-') < 0 ||
get_channel       219 libavfilter/af_channelmap.c             if (get_channel(&mapping, &in_ch, '-') < 0 ||
get_channel       220 libavfilter/af_channelmap.c                 get_channel(&mapping, &out_ch, separator) < 0 ||