-void pa_pstream_set_recieve_memblock_callback(struct pa_pstream *p, void (*callback) (struct pa_pstream *p, uint32_t channel, int32_t delta, const struct pa_memchunk *chunk, void *userdata), void *userdata) {
+void pa_pstream_set_recieve_memblock_callback(struct pa_pstream *p, void (*callback) (struct pa_pstream *p, uint32_t channel, uint32_t delta, const struct pa_memchunk *chunk, void *userdata), void *userdata) {