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

Lines Matching defs:alsa
37 #include <alsa/asoundlib.h>
44 #define AUDIO_CAP "alsa"
704     ALSAVoiceOut *alsa = (ALSAVoiceOut *) hw;
716     avail = alsa_get_avail (alsa->handle);
731         dst = advance (alsa->pcm_buf, rpos << hw->info.shift);
736             written = snd_pcm_writei (alsa->handle, dst, len);
747                     if (alsa_recover (alsa->handle)) {
760                     if (alsa_resume (alsa->handle)) {
798     ALSAVoiceOut *alsa = (ALSAVoiceOut *) hw;
801     alsa_anal_close (&alsa->handle);
803     if (alsa->pcm_buf) {
804         qemu_free (alsa->pcm_buf);
805         alsa->pcm_buf = NULL;
811     ALSAVoiceOut *alsa = (ALSAVoiceOut *) hw;
844     alsa->pcm_buf = audio_calloc (AUDIO_FUNC, obt.samples, 1 << hw->info.shift);
845     if (!alsa->pcm_buf) {
852     alsa->handle = handle;
880     ALSAVoiceOut *alsa = (ALSAVoiceOut *) hw;
885         return alsa_voice_ctl (alsa->handle, "playback", 0);
889         return alsa_voice_ctl (alsa->handle, "playback", 1);
897     ALSAVoiceIn *alsa = (ALSAVoiceIn *) hw;
930     alsa->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
931     if (!alsa->pcm_buf) {
938     alsa->handle = handle;
944     ALSAVoiceIn *alsa = (ALSAVoiceIn *) hw;
946     alsa_anal_close (&alsa->handle);
948     if (alsa->pcm_buf) {
949         qemu_free (alsa->pcm_buf);
950         alsa->pcm_buf = NULL;
956     ALSAVoiceIn *alsa = (ALSAVoiceIn *) hw;
979     avail = alsa_get_avail (alsa->handle);
987         state = snd_pcm_state (alsa->handle);
994                 if (alsa_resume (alsa->handle)) {
1035         src = advance (alsa->pcm_buf, bufs[i].add << hwshift);
1039             nread = snd_pcm_readi (alsa->handle, src, len);
1050                     if (alsa_recover (alsa->handle)) {
1095     ALSAVoiceIn *alsa = (ALSAVoiceIn *) hw;
1100         return alsa_voice_ctl (alsa->handle, "capture", 0);
1104         return alsa_voice_ctl (alsa->handle, "capture", 1);
1183     INIT_FIELD (name           = ) "alsa",
1184     INIT_FIELD (descr          = ) "ALSA http://www.alsa-project.org",