get_channel_idx 182 libavfilter/af_channelmap.c if (get_channel_idx(&mapping, &in_ch_idx, separator, MAX_CH) < 0) { get_channel_idx 198 libavfilter/af_channelmap.c if (get_channel_idx(&mapping, &in_ch_idx, '-', MAX_CH) < 0 || get_channel_idx 199 libavfilter/af_channelmap.c get_channel_idx(&mapping, &out_ch_idx, separator, MAX_CH) < 0) { get_channel_idx 207 libavfilter/af_channelmap.c if (get_channel_idx(&mapping, &in_ch_idx, '-', MAX_CH) < 0 || get_channel_idx 219 libavfilter/af_channelmap.c get_channel_idx(&mapping, &out_ch_idx, separator, MAX_CH) < 0) {