Cross Reference: /vbox/src/VBox/Devices/Audio/ossaudio.c

Lines Matching refs:hw
46     HWVoiceOut hw;
58     HWVoiceIn hw;
342 static int oss_run_out (HWVoiceOut *hw)
344     OSSVoiceOut *oss = (OSSVoiceOut *) hw;
355     live = audio_pcm_hw_get_live_out (hw);
360     bufsize = hw->samples << hw->info.shift;
373             if (abs (hw->samples - live) < 64) {
386         decr = audio_MIN (bytes >> hw->info.shift, live);
399                        "please report your OS/audio hw to malc@pulsesoft.com\n",
413         decr = audio_MIN (abinfo.bytes >> hw->info.shift, live);
422     rpos = hw->rpos;
424         int left_till_end_samples = hw->samples - rpos;
427         src = hw->mix_buf + rpos;
428         dst = advance (oss->pcm_buf, rpos << hw->info.shift);
430         hw->clip (dst, src, convert_samples);
438             written = write (oss->fd, dst, convert_samples << hw->info.shift);
444                     convert_samples << hw->info.shift,
450             if (written != convert_samples << hw->info.shift) {
451                 int wsamples = written >> hw->info.shift;
452                 int wbytes = wsamples << hw->info.shift;
456                            wbytes, written, hw->info.align + 1);
459                 mixeng_sniff_and_clear (hw, src, dst, wsamples);
462                 rpos = (rpos + wsamples) % hw->samples;
468         mixeng_sniff_and_clear (hw, src, dst, convert_samples);
471         rpos = (rpos + convert_samples) % hw->samples;
481     hw->rpos = rpos;
485 static void oss_fini_out (HWVoiceOut *hw)
490     OSSVoiceOut *oss = (OSSVoiceOut *) hw;
503             err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
506                             oss->pcm_buf, hw->samples << hw->info.shift);
517 static int oss_init_out (HWVoiceOut *hw, audsettings_t *as)
519     OSSVoiceOut *oss = (OSSVoiceOut *) hw;
553     audio_pcm_init_info (&hw->info, &obt_as);
557     if (obt.nfrags * obt.fragsize & hw->info.align) {
559                obt.nfrags * obt.fragsize, hw->info.align + 1);
562     hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
569             hw->samples << hw->info.shift,
577                         hw->samples << hw->info.shift);
600                 err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
603                                 oss->pcm_buf, hw->samples << hw->info.shift);
615             hw->samples,
616             1 << hw->info.shift
621                 hw->samples,
622                 1 << hw->info.shift
638 static int oss_ctl_out (HWVoiceOut *hw, int cmd, ...)
641     OSSVoiceOut *oss = (OSSVoiceOut *) hw;
654         audio_pcm_info_clear_buf (&hw->info, oss->pcm_buf, hw->samples);
677 static int oss_init_in (HWVoiceIn *hw, audsettings_t *as)
679     OSSVoiceIn *oss = (OSSVoiceIn *) hw;
712     audio_pcm_init_info (&hw->info, &obt_as);
716     if (obt.nfrags * obt.fragsize & hw->info.align) {
718                obt.nfrags * obt.fragsize, hw->info.align + 1);
721     hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
722     oss->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
725                hw->samples, 1 << hw->info.shift);
737 static void oss_fini_in (HWVoiceIn *hw)
739     OSSVoiceIn *oss = (OSSVoiceIn *) hw;
752 static int oss_run_in (HWVoiceIn *hw)
754     OSSVoiceIn *oss = (OSSVoiceIn *) hw;
755     int hwshift = hw->info.shift;
757     int live = audio_pcm_hw_get_live_in (hw);
758     int dead = hw->samples - live;
765     bufs[0].add = hw->wpos;
774     if (hw->wpos + dead > hw->samples) {
775         bufs[0].len = (hw->samples - hw->wpos) << hwshift;
776         bufs[1].len = (dead - (hw->samples - hw->wpos)) << hwshift;
791                 if (nread & hw->info.align) {
795                            hw->info.align + 1);
799                 hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift,
802                 hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift,
827     hw->wpos = (hw->wpos + read_samples) % hw->samples;
836 static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...)
838     (void) hw;