get_channel       190 libavfilter/af_channelmap.c             if (get_channel(&mapping, &in_ch, separator) < 0) {
get_channel       208 libavfilter/af_channelmap.c                 get_channel(&mapping, &out_ch, separator) < 0 ||
get_channel       218 libavfilter/af_channelmap.c             if (get_channel(&mapping, &in_ch, '-') < 0 ||
get_channel       227 libavfilter/af_channelmap.c             if (get_channel(&mapping, &in_ch, '-') < 0 ||
get_channel       228 libavfilter/af_channelmap.c                 get_channel(&mapping, &out_ch, separator) < 0 ||