76     HWVoiceOut hw;  member
88     HWVoiceIn hw;  member
352 static void dsound_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len)  in dsound_write_sample()  argument
356     int pos = hw->rpos + dst_len;  in dsound_write_sample()
357     struct st_sample *src1 = hw->mix_buf + hw->rpos;  in dsound_write_sample()
360     if (pos > hw->samples) {  in dsound_write_sample()
361         src_len1 = hw->samples - hw->rpos;  in dsound_write_sample()
362         src2 = hw->mix_buf;  in dsound_write_sample()
368         hw->clip (dst, src1, src_len1);  in dsound_write_sample()
372         dst = advance (dst, src_len1 << hw->info.shift);  in dsound_write_sample()
373         hw->clip (dst, src2, src_len2);  in dsound_write_sample()
376     hw->rpos = pos % hw->samples;  in dsound_write_sample()
379 static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb)  in dsound_clear_sample()  argument
387         &hw->info,  in dsound_clear_sample()
389         hw->samples << hw->info.shift,  in dsound_clear_sample()
398     len1 = blen1 >> hw->info.shift;  in dsound_clear_sample()
399     len2 = blen2 >> hw->info.shift;  in dsound_clear_sample()
408         audio_pcm_info_clear_buf (&hw->info, p1, len1);  in dsound_clear_sample()
412         audio_pcm_info_clear_buf (&hw->info, p2, len2);  in dsound_clear_sample()
511 static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...)  in dsound_ctl_out()  argument
515     DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;  in dsound_ctl_out()
534         dsound_clear_sample (hw, dsb);  in dsound_ctl_out()
568 static int dsound_run_out (HWVoiceOut *hw, int live)  in dsound_run_out()  argument
572     DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;  in dsound_run_out()
587     hwshift = hw->info.shift;  in dsound_run_out()
588     bufsize = hw->samples << hwshift;  in dsound_run_out()
610                 millis_to_bytes (&hw->info, conf.latency_millis) - cur_blat;  in dsound_run_out()
612             old_pos &= ~hw->info.align;  in dsound_run_out()
631         ds->played += audio_ring_dist (ds->old_pos, ppos, hw->bufsize);  in dsound_run_out()
651     len &= ~hw->info.align;  in dsound_run_out()
661         &hw->info,  in dsound_run_out()
677         dsound_write_sample (hw, p1, len1);  in dsound_run_out()
681         dsound_write_sample (hw, p2, len2);  in dsound_run_out()
694            abs (ds->mixed - ds->played) / (double) hw->info.bytes_per_second);  in dsound_run_out()
699 static int dsound_ctl_in (HWVoiceIn *hw, int cmd, ...)  in dsound_ctl_in()  argument
703     DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;  in dsound_ctl_in()
756 static int dsound_run_in (HWVoiceIn *hw)  in dsound_run_in()  argument
760     DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;  in dsound_run_in()
775     hwshift = hw->info.shift;  in dsound_run_in()
777     live = audio_pcm_hw_get_live_in (hw);  in dsound_run_in()
778     dead = hw->samples - live;  in dsound_run_in()
795         if (rpos & hw->info.align) {  in dsound_run_in()
797                     rpos, hw->info.align);  in dsound_run_in()
799         hw->wpos = rpos >> hwshift;  in dsound_run_in()
802     if (cpos & hw->info.align) {  in dsound_run_in()
804                 cpos, hw->info.align);  in dsound_run_in()
808     len = audio_ring_dist (cpos, hw->wpos, hw->samples);  in dsound_run_in()
816         &hw->info,  in dsound_run_in()
817         hw->wpos << hwshift,  in dsound_run_in()
834         hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume);  in dsound_run_in()
838         hw->conv (hw->conv_buf, p2, len2, &nominal_volume);  in dsound_run_in()
842     hw->wpos = (hw->wpos + decr) % hw->samples;  in dsound_run_in()