792         pa_memchunk qchunk;  in pa_source_output_push()  local
797         pa_assert_se(pa_memblockq_peek(o->thread_info.delay_memblockq, &qchunk) >= 0);  in pa_source_output_push()
799         if (qchunk.length > length)  in pa_source_output_push()
800             qchunk.length = length;  in pa_source_output_push()
802         pa_assert(qchunk.length > 0);  in pa_source_output_push()
806             pa_memchunk_make_writable(&qchunk, 0);  in pa_source_output_push()
809                 pa_silence_memchunk(&qchunk, &o->source->sample_spec);  in pa_source_output_push()
819                 pa_volume_memchunk(&qchunk, &o->source->sample_spec, &v);  in pa_source_output_push()
823                 pa_volume_memchunk(&qchunk, &o->source->sample_spec, &o->thread_info.soft_volume);  in pa_source_output_push()
827             pa_memchunk_make_writable(&qchunk, 0);  in pa_source_output_push()
828             pa_volume_memchunk(&qchunk, &o->source->sample_spec, &o->volume_factor_source);  in pa_source_output_push()
832             o->push(o, &qchunk);  in pa_source_output_push()
839             if (qchunk.length > mbs)  in pa_source_output_push()
840                 qchunk.length = mbs;  in pa_source_output_push()
842             pa_resampler_run(o->thread_info.resampler, &qchunk, &rchunk);  in pa_source_output_push()
851         pa_memblock_unref(qchunk.memblock);  in pa_source_output_push()
852         pa_memblockq_drop(o->thread_info.delay_memblockq, qchunk.length);  in pa_source_output_push()