Cross Reference: /external/chromium_org/media/audio/alsa/alsa

Lines Matching refs:wrapper
14 static snd_pcm_t* OpenDevice(media::AlsaWrapper* wrapper,
22   int error = wrapper->PcmOpen(&handle, device_name, type, SND_PCM_NONBLOCK);
25                  << wrapper->StrError(error);
29   error = wrapper->PcmSetParams(handle, pcm_format,
34                  << wrapper->StrError(error) << " - Format: " << pcm_format
36     if (alsa_util::CloseDevice(wrapper, handle) < 0) {
84 int CloseDevice(media::AlsaWrapper* wrapper, snd_pcm_t* handle) {
85   std::string device_name = wrapper->PcmName(handle);
86   int error = wrapper->PcmClose(handle);
89                << wrapper->StrError(error);
95 snd_pcm_t* OpenCaptureDevice(media::AlsaWrapper* wrapper,
101   return OpenDevice(wrapper, device_name, SND_PCM_STREAM_CAPTURE, channels,
105 snd_pcm_t* OpenPlaybackDevice(media::AlsaWrapper* wrapper,
111   return OpenDevice(wrapper, device_name, SND_PCM_STREAM_PLAYBACK, channels,
115 snd_mixer_t* OpenMixer(media::AlsaWrapper* wrapper,
119   int error = wrapper->MixerOpen(&mixer, 0);
122                << wrapper->StrError(error);
127   error = wrapper->MixerAttach(mixer, control_name.c_str());
130                << wrapper->StrError(error);
131     alsa_util::CloseMixer(wrapper, mixer, device_name);
135   error = wrapper->MixerElementRegister(mixer, NULL, NULL);
138                << wrapper->StrError(error);
139     alsa_util::CloseMixer(wrapper, mixer, device_name);
146 void CloseMixer(media::AlsaWrapper* wrapper, snd_mixer_t* mixer,
151   wrapper->MixerFree(mixer);
156     error = wrapper->MixerDetach(mixer, control_name.c_str());
159                    << wrapper->StrError(error);
163   error = wrapper->MixerClose(mixer);
165     LOG(WARNING) << "MixerClose: " << wrapper->StrError(error);
169 snd_mixer_elem_t* LoadCaptureMixerElement(media::AlsaWrapper* wrapper,
174   int error = wrapper->MixerLoad(mixer);
176     LOG(ERROR) << "MixerLoad: " << wrapper->StrError(error);
184   for (elem = wrapper->MixerFirstElem(mixer);
186        elem = wrapper->MixerNextElem(elem)) {
187     if (wrapper->MixerSelemIsActive(elem)) {
188       const char* elem_name = wrapper->MixerSelemName(elem);