1 files changed, 70 insertions, 0 deletions
diff --git a/ppapi/thunk/ppb_audio_config_thunk.cc b/ppapi/thunk/ppb_audio_config_thunk.cc
new file mode 100644
index 0000000..8ee8ffd
--- /dev/null
+++ b/ppapi/thunk/ppb_audio_config_thunk.cc
@@ -0,0 +1,70 @@
+// Copyright (c) 2011 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 "ppapi/thunk/thunk.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_audio_config_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+PP_Resource CreateStereo16bit(PP_Instance instance,
+                              PP_AudioSampleRate sample_rate,
+                              uint32_t sample_frame_count) {
+  EnterFunction<ResourceCreationAPI> enter(instance, true);
+  if (enter.failed())
+    return 0;
+  return enter.functions()->CreateAudioConfig(instance, sample_rate,
+                                              sample_frame_count);
+}
+
+uint32_t RecommendSampleFrameCount(PP_AudioSampleRate sample_rate,
+                                   uint32_t requested_sample_frame_count) {
+  // TODO(brettw) Currently we don't actually query to get a value from the
+  // hardware, so we always return the input for in-range values.
+  if (requested_sample_frame_count < PP_AUDIOMINSAMPLEFRAMECOUNT)
+    return PP_AUDIOMINSAMPLEFRAMECOUNT;
+  if (requested_sample_frame_count > PP_AUDIOMAXSAMPLEFRAMECOUNT)
+    return PP_AUDIOMAXSAMPLEFRAMECOUNT;
+  return requested_sample_frame_count;
+}
+
+PP_Bool IsAudioConfig(PP_Resource resource) {
+  EnterResource<PPB_AudioConfig_API> enter(resource, false);
+  return enter.succeeded() ? PP_TRUE : PP_FALSE;
+}
+
+PP_AudioSampleRate GetSampleRate(PP_Resource config_id) {
+  EnterResource<PPB_AudioConfig_API> enter(config_id, true);
+  if (enter.failed())
+    return PP_AUDIOSAMPLERATE_NONE;
+  return enter.object()->GetSampleRate();
+}
+
+uint32_t GetSampleFrameCount(PP_Resource config_id) {
+  EnterResource<PPB_AudioConfig_API> enter(config_id, true);
+  if (enter.failed())
+    return 0;
+  return enter.object()->GetSampleFrameCount();
+}
+
+const PPB_AudioConfig g_ppb_audio_config_thunk = {
+  &CreateStereo16bit,
+  &RecommendSampleFrameCount,
+  &IsAudioConfig,
+  &GetSampleRate,
+  &GetSampleFrameCount
+};
+
+}  // namespace
+
+const PPB_AudioConfig* GetPPB_AudioConfig_Thunk() {
+  return &g_ppb_audio_config_thunk;
+}
+
+}  // namespace thunk
+}  // namespace ppapi