54     HWVoiceOut hw;  member
61     HWVoiceIn hw;  member
321 static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,  in dsound_clear_sample()  argument
330         &hw->info,  in dsound_clear_sample()
332         hw->size_emul,  in dsound_clear_sample()
342     len1 = blen1 / hw->info.bytes_per_frame;  in dsound_clear_sample()
343     len2 = blen2 / hw->info.bytes_per_frame;  in dsound_clear_sample()
352         audio_pcm_info_clear_buf (&hw->info, p1, len1);  in dsound_clear_sample()
356         audio_pcm_info_clear_buf (&hw->info, p2, len2);  in dsound_clear_sample()
383 static void dsound_enable_out(HWVoiceOut *hw, bool enable)  in dsound_enable_out()  argument
387     DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;  in dsound_enable_out()
406         dsound_clear_sample (hw, dsb, s);  in dsound_enable_out()
430 static size_t dsound_buffer_get_free(HWVoiceOut *hw)  in dsound_buffer_get_free()  argument
432     DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;  in dsound_buffer_get_free()
445         hw->pos_emul = wpos;  in dsound_buffer_get_free()
449     return audio_ring_dist(ppos, hw->pos_emul, hw->size_emul);  in dsound_buffer_get_free()
452 static void *dsound_get_buffer_out(HWVoiceOut *hw, size_t *size)  in dsound_get_buffer_out()  argument
454     DSoundVoiceOut *ds = (DSoundVoiceOut *)hw;  in dsound_get_buffer_out()
461     req_size = MIN(*size, hw->size_emul - hw->pos_emul);  in dsound_get_buffer_out()
464     err = dsound_lock_out(dsb, &hw->info, hw->pos_emul, req_size, &ret, NULL,  in dsound_get_buffer_out()
476 static size_t dsound_put_buffer_out(HWVoiceOut *hw, void *buf, size_t len)  in dsound_put_buffer_out()  argument
478     DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;  in dsound_put_buffer_out()
486     hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;  in dsound_put_buffer_out()
491 static void dsound_enable_in(HWVoiceIn *hw, bool enable)  in dsound_enable_in()  argument
495     DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;  in dsound_enable_in()
537 static void *dsound_get_buffer_in(HWVoiceIn *hw, size_t *size)  in dsound_get_buffer_in()  argument
539     DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;  in dsound_get_buffer_in()
555         hw->pos_emul = rpos;  in dsound_get_buffer_in()
559     req_size = audio_ring_dist(rpos, hw->pos_emul, hw->size_emul);  in dsound_get_buffer_in()
560     req_size = MIN(*size, MIN(req_size, hw->size_emul - hw->pos_emul));  in dsound_get_buffer_in()
567     err = dsound_lock_in(dscb, &hw->info, hw->pos_emul, req_size, &ret, NULL,  in dsound_get_buffer_in()
579 static void dsound_put_buffer_in(HWVoiceIn *hw, void *buf, size_t len)  in dsound_put_buffer_in()  argument
581     DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;  in dsound_put_buffer_in()
589     hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;  in dsound_put_buffer_in()