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

Lines Matching defs:oss
42 #define AUDIO_CAP "oss"
344     OSSVoiceOut *oss = (OSSVoiceOut *) hw;
363     if (oss->mmapped) {
366         err = ioctl (oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo);
372         if (cntinfo.ptr == oss->old_optr) {
379         if (cntinfo.ptr > oss->old_optr) {
380             bytes = cntinfo.ptr - oss->old_optr;
383             bytes = bufsize + cntinfo.ptr - oss->old_optr;
390         err = ioctl (oss->fd, SNDCTL_DSP_GETOSPACE, &abinfo);
428         dst = advance (oss->pcm_buf, rpos << hw->info.shift);
434         if (!oss->mmapped) {
438             written = write (oss->fd, dst, convert_samples << hw->info.shift);
476     if (oss->mmapped) {
477         oss->old_optr = cntinfo.ptr;
490     OSSVoiceOut *oss = (OSSVoiceOut *) hw;
493     oss_anal_close (&oss->fd);
498     if (oss->pcm_buf) {
500         qemu_free (oss->pcm_buf);
502         if (oss->mmapped) {
503             err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
506                             oss->pcm_buf, hw->samples << hw->info.shift);
510             qemu_free (oss->pcm_buf);
513         oss->pcm_buf = NULL;
519     OSSVoiceOut *oss = (OSSVoiceOut *) hw;
527     oss->fd = -1;
554     oss->nfrags = obt.nfrags;
555     oss->fragsize = obt.fragsize;
565     oss->mmapped = 0;
567         oss->pcm_buf = mmap (
575         if (oss->pcm_buf == MAP_FAILED) {
595                     oss->mmapped = 1;
599             if (!oss->mmapped) {
600                 err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
603                                 oss->pcm_buf, hw->samples << hw->info.shift);
611     if (!oss->mmapped) {
613         oss->pcm_buf = audio_calloc (
618         if (!oss->pcm_buf) {
634     oss->fd = fd;
641     OSSVoiceOut *oss = (OSSVoiceOut *) hw;
646     if (!oss->mmapped) {
654         audio_pcm_info_clear_buf (&hw->info, oss->pcm_buf, hw->samples);
656         if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
668         if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
679     OSSVoiceIn *oss = (OSSVoiceIn *) hw;
687     oss->fd = -1;
713     oss->nfrags = obt.nfrags;
714     oss->fragsize = obt.fragsize;
722     oss->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
723     if (!oss->pcm_buf) {
733     oss->fd = fd;
739     OSSVoiceIn *oss = (OSSVoiceIn *) hw;
741     oss_anal_close (&oss->fd);
746     if (oss->pcm_buf) {
747         qemu_free (oss->pcm_buf);
748         oss->pcm_buf = NULL;
754     OSSVoiceIn *oss = (OSSVoiceIn *) hw;
787             void *p = advance (oss->pcm_buf, bufs[i].add << hwshift);
788             nread = read (oss->fd, p, bufs[i].len);
886     INIT_FIELD (name           = ) "oss",