40     snd_pcm_t *handle;  member
49     snd_pcm_t *handle;  member
56     snd_pcm_t *handle;  member
117     hlp->handle = NULL;  in alsa_fini_poll()
124         alsa_logerr (err, "Failed to close PCM handle %p\n", *handlep);  in alsa_anal_close1()
135 static int alsa_recover (snd_pcm_t *handle)  in alsa_recover()  argument
137     int err = snd_pcm_prepare (handle);  in alsa_recover()
139         alsa_logerr (err, "Failed to prepare handle %p\n", handle);  in alsa_recover()
145 static int alsa_resume (snd_pcm_t *handle)  in alsa_resume()  argument
147     int err = snd_pcm_resume (handle);  in alsa_resume()
149         alsa_logerr (err, "Failed to resume handle %p\n", handle);  in alsa_resume()
174     err = snd_pcm_poll_descriptors_revents (hlp->handle, hlp->pfds,  in alsa_poll_handler()
186     state = snd_pcm_state (hlp->handle);  in alsa_poll_handler()
189         alsa_recover (hlp->handle);  in alsa_poll_handler()
193         alsa_recover (hlp->handle);  in alsa_poll_handler()
197         alsa_resume (hlp->handle);  in alsa_poll_handler()
213 static int alsa_poll_helper (snd_pcm_t *handle, struct pollhlp *hlp, int mask)  in alsa_poll_helper()  argument
218     count = snd_pcm_poll_descriptors_count (handle);  in alsa_poll_helper()
227     err = snd_pcm_poll_descriptors (handle, pfds, count);  in alsa_poll_helper()
248     hlp->handle = handle;  in alsa_poll_helper()
257     return alsa_poll_helper (alsa->handle, &alsa->pollhlp, POLLOUT);  in alsa_poll_out()
264     return alsa_poll_helper (alsa->handle, &alsa->pollhlp, POLLIN);  in alsa_poll_in()
408 static void alsa_set_threshold (snd_pcm_t *handle, snd_pcm_uframes_t threshold)  in alsa_set_threshold()  argument
415     err = snd_pcm_sw_params_current (handle, sw_params);  in alsa_set_threshold()
422     err = snd_pcm_sw_params_set_start_threshold (handle, sw_params, threshold);  in alsa_set_threshold()
430     err = snd_pcm_sw_params (handle, sw_params);  in alsa_set_threshold()
444     snd_pcm_t *handle;  in alsa_open()  local
459         &handle,  in alsa_open()
469     err = snd_pcm_hw_params_any (handle, hw_params);  in alsa_open()
476         handle,  in alsa_open()
485     err = snd_pcm_hw_params_set_format (handle, hw_params, req->fmt);  in alsa_open()
490     err = snd_pcm_hw_params_set_rate_near (handle, hw_params, &freq, 0);  in alsa_open()
497         handle,  in alsa_open()
512             handle, hw_params, &btime, &dir);  in alsa_open()
530         err = snd_pcm_hw_params_set_period_time_near(handle, hw_params, &ptime,  in alsa_open()
545     err = snd_pcm_hw_params (handle, hw_params);  in alsa_open()
568     err = snd_pcm_prepare (handle);  in alsa_open()
570         alsa_logerr2 (err, typ, "Could not prepare handle %p\n", handle);  in alsa_open()
577             handle,  in alsa_open()
586     *handlep = handle;  in alsa_open()
597     alsa_anal_close1 (&handle);  in alsa_open()
607     avail = snd_pcm_avail_update(alsa->handle);  in alsa_buffer_get_free()
610             if (!alsa_recover(alsa->handle)) {  in alsa_buffer_get_free()
611                 avail = snd_pcm_avail_update(alsa->handle);  in alsa_buffer_get_free()
647         written = snd_pcm_writei(alsa->handle, src, len_frames);  in alsa_write()
656                 if (alsa_recover(alsa->handle)) {  in alsa_write()
669                 if (alsa_resume(alsa->handle)) {  in alsa_write()
702     alsa_anal_close (&alsa->handle, &alsa->pollhlp);  in alsa_fini_out()
711     snd_pcm_t *handle;  in alsa_init_out()  local
719     if (alsa_open(0, &req, &obt, &handle, dev)) {  in alsa_init_out()
732     alsa->handle = handle;  in alsa_init_out()
741 static int alsa_voice_ctl (snd_pcm_t *handle, const char *typ, int ctl)  in alsa_voice_ctl()  argument
746         err = snd_pcm_drop (handle);  in alsa_voice_ctl()
752         err = snd_pcm_prepare (handle);  in alsa_voice_ctl()
754             alsa_logerr (err, "Could not prepare handle for %s\n", typ);  in alsa_voice_ctl()
758             err = snd_pcm_start(handle);  in alsa_voice_ctl()
760                 alsa_logerr (err, "Could not start handle for %s\n", typ);  in alsa_voice_ctl()
782         alsa_voice_ctl(alsa->handle, "playback", VOICE_CTL_PREPARE);  in alsa_enable_out()
789         alsa_voice_ctl(alsa->handle, "playback", VOICE_CTL_PAUSE);  in alsa_enable_out()
798     snd_pcm_t *handle;  in alsa_init_in()  local
806     if (alsa_open(1, &req, &obt, &handle, dev)) {  in alsa_init_in()
819     alsa->handle = handle;  in alsa_init_in()
828     alsa_anal_close (&alsa->handle, &alsa->pollhlp);  in alsa_fini_in()
841             alsa->handle, dst, len / hw->info.bytes_per_frame);  in alsa_read()
850                 if (alsa_recover(alsa->handle)) {  in alsa_read()
888         alsa_voice_ctl(alsa->handle, "capture", VOICE_CTL_START);  in alsa_enable_in()
895         alsa_voice_ctl(alsa->handle, "capture", VOICE_CTL_PAUSE);  in alsa_enable_in()