ppapi/cpp/audio_buffer.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ppapi/cpp/audio_buffer.h"
   6
   7 #include "ppapi/cpp/module.h"
   8 #include "ppapi/cpp/module_impl.h"
   9
  10 namespace pp {
  11
  12 namespace {
  13
  14 template <> const char* interface_name<PPB_AudioBuffer_0_1>() {
  15   return PPB_AUDIOBUFFER_INTERFACE_0_1;
  16 }
  17
  18 }  // namespace
  19
  20 AudioBuffer::AudioBuffer() {
  21 }
  22
  23 AudioBuffer::AudioBuffer(const AudioBuffer& other) : Resource(other) {
  24 }
  25
  26 AudioBuffer::AudioBuffer(const Resource& resource) : Resource(resource) {
  27 }
  28
  29 AudioBuffer::AudioBuffer(PassRef, PP_Resource resource)
  30     : Resource(PASS_REF, resource) {
  31 }
  32
  33 AudioBuffer::~AudioBuffer() {
  34 }
  35
  36 PP_TimeDelta AudioBuffer::GetTimestamp() const {
  37   if (has_interface<PPB_AudioBuffer_0_1>())
  38     return get_interface<PPB_AudioBuffer_0_1>()->GetTimestamp(pp_resource());
  39   return 0.0;
  40 }
  41
  42 void AudioBuffer::SetTimestamp(PP_TimeDelta timestamp) {
  43   if (has_interface<PPB_AudioBuffer_0_1>()) {
  44     get_interface<PPB_AudioBuffer_0_1>()->SetTimestamp(pp_resource(),
  45                                                        timestamp);
  46   }
  47 }
  48
  49 PP_AudioBuffer_SampleRate AudioBuffer::GetSampleRate() const {
  50   if (has_interface<PPB_AudioBuffer_0_1>())
  51     return get_interface<PPB_AudioBuffer_0_1>()->GetSampleRate(pp_resource());
  52   return PP_AUDIOBUFFER_SAMPLERATE_UNKNOWN;
  53 }
  54
  55 PP_AudioBuffer_SampleSize AudioBuffer::GetSampleSize() const {
  56   if (has_interface<PPB_AudioBuffer_0_1>())
  57     return get_interface<PPB_AudioBuffer_0_1>()->GetSampleSize(pp_resource());
  58   return PP_AUDIOBUFFER_SAMPLESIZE_UNKNOWN;
  59 }
  60
  61 uint32_t AudioBuffer::GetNumberOfChannels() const {
  62   if (has_interface<PPB_AudioBuffer_0_1>()) {
  63     return get_interface<PPB_AudioBuffer_0_1>()->GetNumberOfChannels(
  64         pp_resource());
  65   }
  66   return 0;
  67 }
  68
  69 uint32_t AudioBuffer::GetNumberOfSamples() const {
  70   if (has_interface<PPB_AudioBuffer_0_1>()) {
  71     return get_interface<PPB_AudioBuffer_0_1>()->GetNumberOfSamples(
  72         pp_resource());
  73   }
  74   return 0;
  75 }
  76
  77 void* AudioBuffer::GetDataBuffer() {
  78   if (has_interface<PPB_AudioBuffer_0_1>())
  79     return get_interface<PPB_AudioBuffer_0_1>()->GetDataBuffer(pp_resource());
  80   return NULL;
  81 }
  82
  83 uint32_t AudioBuffer::GetDataBufferSize() const {
  84   if (has_interface<PPB_AudioBuffer_0_1>()) {
  85     return get_interface<PPB_AudioBuffer_0_1>()->GetDataBufferSize(
  86         pp_resource());
  87   }
  88   return 0;
  89 }
  90
  91 }  // namespace pp