739     pa_memchunk rchunk, pchunk, cchunk;  in do_push_drift_comp()  local
790         pa_memblockq_peek_fixed_size(u->source_memblockq, u->source_output_blocksize, &rchunk);  in do_push_drift_comp()
792         rdata = pa_memblock_acquire(rchunk.memblock);  in do_push_drift_comp()
793         rdata += rchunk.index;  in do_push_drift_comp()
813         pa_memblock_release(rchunk.memblock);  in do_push_drift_comp()
815         pa_memblock_unref(rchunk.memblock);  in do_push_drift_comp()
832     pa_memchunk rchunk, pchunk, cchunk;  in do_push()  local
842         pa_memblockq_peek_fixed_size(u->source_memblockq, u->source_output_blocksize, &rchunk);  in do_push()
849         rdata = pa_memblock_acquire(rchunk.memblock);  in do_push()
850         rdata += rchunk.index;  in do_push()
876         pa_memblock_release(rchunk.memblock);  in do_push()
880         pa_memblock_unref(rchunk.memblock);  in do_push()
902     pa_memchunk rchunk;  in source_output_push_cb()  local
945             pa_memblockq_peek_fixed_size(u->source_memblockq, to_skip, &rchunk);  in source_output_push_cb()
946             pa_source_post(u->source, &rchunk);  in source_output_push_cb()
948             pa_memblock_unref(rchunk.memblock);  in source_output_push_cb()