ppapi/thunk/ppb_audio_buffer_thunk.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 // From ppb_audio_buffer.idl modified Mon Apr  7 08:56:43 2014.
   6
   7 #include "ppapi/c/pp_errors.h"
   8 #include "ppapi/c/ppb_audio_buffer.h"
   9 #include "ppapi/shared_impl/tracked_callback.h"
  10 #include "ppapi/thunk/enter.h"
  11 #include "ppapi/thunk/ppapi_thunk_export.h"
  12 #include "ppapi/thunk/ppb_audio_buffer_api.h"
  13
  14 namespace ppapi {
  15 namespace thunk {
  16
  17 namespace {
  18
  19 PP_Bool IsAudioBuffer(PP_Resource resource) {
  20   VLOG(4) << "PPB_AudioBuffer::IsAudioBuffer()";
  21   EnterResource<PPB_AudioBuffer_API> enter(resource, false);
  22   return PP_FromBool(enter.succeeded());
  23 }
  24
  25 PP_TimeDelta GetTimestamp(PP_Resource buffer) {
  26   VLOG(4) << "PPB_AudioBuffer::GetTimestamp()";
  27   EnterResource<PPB_AudioBuffer_API> enter(buffer, true);
  28   if (enter.failed())
  29     return 0.0;
  30   return enter.object()->GetTimestamp();
  31 }
  32
  33 void SetTimestamp(PP_Resource buffer, PP_TimeDelta timestamp) {
  34   VLOG(4) << "PPB_AudioBuffer::SetTimestamp()";
  35   EnterResource<PPB_AudioBuffer_API> enter(buffer, true);
  36   if (enter.failed())
  37     return;
  38   enter.object()->SetTimestamp(timestamp);
  39 }
  40
  41 PP_AudioBuffer_SampleRate GetSampleRate(PP_Resource buffer) {
  42   VLOG(4) << "PPB_AudioBuffer::GetSampleRate()";
  43   EnterResource<PPB_AudioBuffer_API> enter(buffer, true);
  44   if (enter.failed())
  45     return PP_AUDIOBUFFER_SAMPLERATE_UNKNOWN;
  46   return enter.object()->GetSampleRate();
  47 }
  48
  49 PP_AudioBuffer_SampleSize GetSampleSize(PP_Resource buffer) {
  50   VLOG(4) << "PPB_AudioBuffer::GetSampleSize()";
  51   EnterResource<PPB_AudioBuffer_API> enter(buffer, true);
  52   if (enter.failed())
  53     return PP_AUDIOBUFFER_SAMPLESIZE_UNKNOWN;
  54   return enter.object()->GetSampleSize();
  55 }
  56
  57 uint32_t GetNumberOfChannels(PP_Resource buffer) {
  58   VLOG(4) << "PPB_AudioBuffer::GetNumberOfChannels()";
  59   EnterResource<PPB_AudioBuffer_API> enter(buffer, true);
  60   if (enter.failed())
  61     return 0;
  62   return enter.object()->GetNumberOfChannels();
  63 }
  64
  65 uint32_t GetNumberOfSamples(PP_Resource buffer) {
  66   VLOG(4) << "PPB_AudioBuffer::GetNumberOfSamples()";
  67   EnterResource<PPB_AudioBuffer_API> enter(buffer, true);
  68   if (enter.failed())
  69     return 0;
  70   return enter.object()->GetNumberOfSamples();
  71 }
  72
  73 void* GetDataBuffer(PP_Resource buffer) {
  74   VLOG(4) << "PPB_AudioBuffer::GetDataBuffer()";
  75   EnterResource<PPB_AudioBuffer_API> enter(buffer, true);
  76   if (enter.failed())
  77     return NULL;
  78   return enter.object()->GetDataBuffer();
  79 }
  80
  81 uint32_t GetDataBufferSize(PP_Resource buffer) {
  82   VLOG(4) << "PPB_AudioBuffer::GetDataBufferSize()";
  83   EnterResource<PPB_AudioBuffer_API> enter(buffer, true);
  84   if (enter.failed())
  85     return 0;
  86   return enter.object()->GetDataBufferSize();
  87 }
  88
  89 const PPB_AudioBuffer_0_1 g_ppb_audiobuffer_thunk_0_1 = {&IsAudioBuffer,
  90                                                          &GetTimestamp,
  91                                                          &SetTimestamp,
  92                                                          &GetSampleRate,
  93                                                          &GetSampleSize,
  94                                                          &GetNumberOfChannels,
  95                                                          &GetNumberOfSamples,
  96                                                          &GetDataBuffer,
  97                                                          &GetDataBufferSize};
  98
  99 }  // namespace
 100
 101 PPAPI_THUNK_EXPORT const PPB_AudioBuffer_0_1* GetPPB_AudioBuffer_0_1_Thunk() {
 102   return &g_ppb_audiobuffer_thunk_0_1;
 103 }
 104
 105 }  // namespace thunk
 106 }  // namespace ppapi