1 files changed, 173 insertions, 0 deletions
diff --git a/media/audio/alsa/alsa_wrapper.cc b/media/audio/alsa/alsa_wrapper.cc
new file mode 100644
index 0000000..969f3c4
--- /dev/null
+++ b/media/audio/alsa/alsa_wrapper.cc
@@ -0,0 +1,173 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/audio/alsa/alsa_wrapper.h"
+
+#include <alsa/asoundlib.h>
+
+namespace media {
+
+AlsaWrapper::AlsaWrapper() {
+}
+
+AlsaWrapper::~AlsaWrapper() {
+}
+
+int AlsaWrapper::PcmOpen(snd_pcm_t** handle, const char* name,
+                         snd_pcm_stream_t stream, int mode) {
+  return snd_pcm_open(handle, name, stream, mode);
+}
+
+int AlsaWrapper::DeviceNameHint(int card, const char* iface, void*** hints) {
+  return snd_device_name_hint(card, iface, hints);
+}
+
+char* AlsaWrapper::DeviceNameGetHint(const void* hint, const char* id) {
+  return snd_device_name_get_hint(hint, id);
+}
+
+int AlsaWrapper::DeviceNameFreeHint(void** hints) {
+  return snd_device_name_free_hint(hints);
+}
+
+int AlsaWrapper::CardNext(int* rcard) {
+  return snd_card_next(rcard);
+}
+
+int AlsaWrapper::PcmClose(snd_pcm_t* handle) {
+  return snd_pcm_close(handle);
+}
+
+int AlsaWrapper::PcmPrepare(snd_pcm_t* handle) {
+  return snd_pcm_prepare(handle);
+}
+
+int AlsaWrapper::PcmDrop(snd_pcm_t* handle) {
+  return snd_pcm_drop(handle);
+}
+
+int AlsaWrapper::PcmDelay(snd_pcm_t* handle, snd_pcm_sframes_t* delay) {
+  return snd_pcm_delay(handle, delay);
+}
+
+snd_pcm_sframes_t AlsaWrapper::PcmWritei(snd_pcm_t* handle,
+                                         const void* buffer,
+                                         snd_pcm_uframes_t size) {
+  return snd_pcm_writei(handle, buffer, size);
+}
+
+snd_pcm_sframes_t AlsaWrapper::PcmReadi(snd_pcm_t* handle,
+                                        void* buffer,
+                                        snd_pcm_uframes_t size) {
+  return snd_pcm_readi(handle, buffer, size);
+}
+
+int AlsaWrapper::PcmRecover(snd_pcm_t* handle, int err, int silent) {
+  return snd_pcm_recover(handle, err, silent);
+}
+
+const char* AlsaWrapper::PcmName(snd_pcm_t* handle) {
+  return snd_pcm_name(handle);
+}
+
+int AlsaWrapper::PcmSetParams(snd_pcm_t* handle, snd_pcm_format_t format,
+                              snd_pcm_access_t access, unsigned int channels,
+                              unsigned int rate, int soft_resample,
+                              unsigned int latency) {
+  return snd_pcm_set_params(handle,
+                            format,
+                            access,
+                            channels,
+                            rate,
+                            soft_resample,
+                            latency);
+}
+
+int AlsaWrapper::PcmGetParams(snd_pcm_t* handle, snd_pcm_uframes_t* buffer_size,
+                              snd_pcm_uframes_t* period_size) {
+  return snd_pcm_get_params(handle, buffer_size, period_size);
+}
+
+snd_pcm_sframes_t AlsaWrapper::PcmAvailUpdate(snd_pcm_t* handle) {
+  return snd_pcm_avail_update(handle);
+}
+
+snd_pcm_state_t AlsaWrapper::PcmState(snd_pcm_t* handle) {
+  return snd_pcm_state(handle);
+}
+
+const char* AlsaWrapper::StrError(int errnum) {
+  return snd_strerror(errnum);
+}
+
+int AlsaWrapper::PcmStart(snd_pcm_t* handle) {
+  return snd_pcm_start(handle);
+}
+
+int AlsaWrapper::MixerOpen(snd_mixer_t** mixer, int mode) {
+  return snd_mixer_open(mixer, mode);
+}
+
+int AlsaWrapper::MixerAttach(snd_mixer_t* mixer, const char* name) {
+  return snd_mixer_attach(mixer, name);
+}
+
+int AlsaWrapper::MixerElementRegister(snd_mixer_t* mixer,
+                                      struct snd_mixer_selem_regopt* options,
+                                      snd_mixer_class_t** classp) {
+  return snd_mixer_selem_register(mixer, options, classp);
+}
+
+void AlsaWrapper::MixerFree(snd_mixer_t* mixer) {
+  snd_mixer_free(mixer);
+}
+
+int AlsaWrapper::MixerDetach(snd_mixer_t* mixer, const char* name) {
+  return snd_mixer_detach(mixer, name);
+}
+
+int AlsaWrapper::MixerClose(snd_mixer_t* mixer) {
+  return snd_mixer_close(mixer);
+}
+
+int AlsaWrapper::MixerLoad(snd_mixer_t* mixer) {
+  return snd_mixer_load(mixer);
+}
+
+snd_mixer_elem_t* AlsaWrapper::MixerFirstElem(snd_mixer_t* mixer) {
+  return snd_mixer_first_elem(mixer);
+}
+
+snd_mixer_elem_t* AlsaWrapper::MixerNextElem(snd_mixer_elem_t* elem) {
+  return snd_mixer_elem_next(elem);
+}
+
+int AlsaWrapper::MixerSelemIsActive(snd_mixer_elem_t* elem) {
+  return snd_mixer_selem_is_active(elem);
+}
+
+const char* AlsaWrapper::MixerSelemName(snd_mixer_elem_t* elem) {
+  return snd_mixer_selem_get_name(elem);
+}
+
+int AlsaWrapper::MixerSelemSetCaptureVolumeAll(
+    snd_mixer_elem_t* elem, long value) {
+  return snd_mixer_selem_set_capture_volume_all(elem, value);
+}
+
+int AlsaWrapper::MixerSelemGetCaptureVolume(
+    snd_mixer_elem_t* elem, snd_mixer_selem_channel_id_t channel, long* value) {
+  return snd_mixer_selem_get_capture_volume(elem, channel, value);
+}
+
+int AlsaWrapper::MixerSelemHasCaptureVolume(snd_mixer_elem_t* elem) {
+  return snd_mixer_selem_has_capture_volume(elem);
+}
+
+int AlsaWrapper::MixerSelemGetCaptureVolumeRange(snd_mixer_elem_t* elem,
+                                                 long* min, long* max) {
+  return snd_mixer_selem_get_capture_volume_range(elem, min, max);
+}
+
+}  // namespace media