[PPAPI][MediaStream] Rename AudioFrame to AudioBuffer

ppapi/cpp/audio_buffer.cc

+// Copyright 2014 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/cpp/audio_buffer.h"
+
+#include "ppapi/cpp/module.h"
+#include "ppapi/cpp/module_impl.h"
+
+namespace pp {
+
+namespace {
+
+template <> const char* interface_name<PPB_AudioBuffer_0_1>() {
+  return PPB_AUDIOBUFFER_INTERFACE_0_1;
+}
+
+}  // namespace
+
+AudioBuffer::AudioBuffer() {
+}
+
+AudioBuffer::AudioBuffer(const AudioBuffer& other) : Resource(other) {
+}
+
+AudioBuffer::AudioBuffer(const Resource& resource) : Resource(resource) {
+}
+
+AudioBuffer::AudioBuffer(PassRef, PP_Resource resource)
+    : Resource(PASS_REF, resource) {
+}
+
+AudioBuffer::~AudioBuffer() {
+}
+
+PP_TimeDelta AudioBuffer::GetTimestamp() const {
+  if (has_interface<PPB_AudioBuffer_0_1>())
+    return get_interface<PPB_AudioBuffer_0_1>()->GetTimestamp(pp_resource());
+  return 0.0;
+}
+
+void AudioBuffer::SetTimestamp(PP_TimeDelta timestamp) {
+  if (has_interface<PPB_AudioBuffer_0_1>()) {
+    get_interface<PPB_AudioBuffer_0_1>()->SetTimestamp(pp_resource(),
+                                                       timestamp);
+  }
+}
+
+PP_AudioBuffer_SampleRate AudioBuffer::GetSampleRate() const {
+  if (has_interface<PPB_AudioBuffer_0_1>())
+    return get_interface<PPB_AudioBuffer_0_1>()->GetSampleRate(pp_resource());
+  return PP_AUDIOBUFFER_SAMPLERATE_UNKNOWN;
+}
+
+PP_AudioBuffer_SampleSize AudioBuffer::GetSampleSize() const {
+  if (has_interface<PPB_AudioBuffer_0_1>())
+    return get_interface<PPB_AudioBuffer_0_1>()->GetSampleSize(pp_resource());
+  return PP_AUDIOBUFFER_SAMPLESIZE_UNKNOWN;
+}
+
+uint32_t AudioBuffer::GetNumberOfChannels() const {
+  if (has_interface<PPB_AudioBuffer_0_1>()) {
+    return get_interface<PPB_AudioBuffer_0_1>()->GetNumberOfChannels(
+        pp_resource());
+  }
+  return 0;
+}
+
+uint32_t AudioBuffer::GetNumberOfSamples() const {
+  if (has_interface<PPB_AudioBuffer_0_1>()) {
+    return get_interface<PPB_AudioBuffer_0_1>()->GetNumberOfSamples(
+        pp_resource());
+  }
+  return 0;
+}
+
+void* AudioBuffer::GetDataBuffer() {
+  if (has_interface<PPB_AudioBuffer_0_1>())
+    return get_interface<PPB_AudioBuffer_0_1>()->GetDataBuffer(pp_resource());
+  return NULL;
+}
+
+uint32_t AudioBuffer::GetDataBufferSize() const {
+  if (has_interface<PPB_AudioBuffer_0_1>()) {
+    return get_interface<PPB_AudioBuffer_0_1>()->GetDataBufferSize(
+        pp_resource());
+  }
+  return 0;
+}
+
+}  // namespace pp