}
}
+pa_channel_map* pa_channel_map_init_extend(pa_channel_map *m, unsigned channels, pa_channel_map_def_t def) {
+ unsigned c;
+
+ pa_assert(m);
+ pa_assert(channels > 0);
+ pa_assert(channels <= PA_CHANNELS_MAX);
+
+ pa_channel_map_init(m);
+
+ for (c = channels; c > 0; c--) {
+
+ if (pa_channel_map_init_auto(m, c, def)) {
+ unsigned i = 0;
+
+ for (; c < channels; c++) {
+
+ m->map[c] = PA_CHANNEL_POSITION_AUX0 + i;
+ i++;
+ }
+
+ m->channels = channels;
+
+ return m;
+ }
+ }
+
+ return NULL;
+}
const char* pa_channel_position_to_string(pa_channel_position_t pos) {