ppapi/thunk/ppb_audio_config_thunk.cc

   1 // Copyright (c) 2012 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/shared_impl/ppb_audio_config_shared.h"
   6 #include "ppapi/thunk/thunk.h"
   7 #include "ppapi/thunk/enter.h"
   8 #include "ppapi/thunk/ppb_audio_config_api.h"
   9 #include "ppapi/thunk/resource_creation_api.h"
  10
  11 namespace ppapi {
  12 namespace thunk {
  13
  14 namespace {
  15
  16 PP_Resource CreateStereo16bit(PP_Instance instance,
  17                               PP_AudioSampleRate sample_rate,
  18                               uint32_t sample_frame_count) {
  19   VLOG(4) << "PPB_AudioConfig::CreateStereo16Bit()";
  20   EnterResourceCreation enter(instance);
  21   if (enter.failed())
  22     return 0;
  23   return enter.functions()->CreateAudioConfig(instance, sample_rate,
  24                                               sample_frame_count);
  25 }
  26
  27 uint32_t RecommendSampleFrameCount_1_0(PP_AudioSampleRate sample_rate,
  28                                        uint32_t requested_sample_frame_count) {
  29   VLOG(4) << "PPB_AudioConfig::RecommendSampleFrameCount()";
  30   return PPB_AudioConfig_Shared::RecommendSampleFrameCount_1_0(sample_rate,
  31       requested_sample_frame_count);
  32 }
  33
  34 uint32_t RecommendSampleFrameCount_1_1(PP_Instance instance,
  35                                        PP_AudioSampleRate sample_rate,
  36                                        uint32_t requested_sample_frame_count) {
  37   VLOG(4) << "PPB_AudioConfig::RecommendSampleFrameCount()";
  38   EnterInstance enter(instance);
  39   if (enter.failed())
  40     return 0;
  41   return PPB_AudioConfig_Shared::RecommendSampleFrameCount_1_1(instance,
  42       sample_rate, requested_sample_frame_count);
  43 }
  44
  45
  46 PP_Bool IsAudioConfig(PP_Resource resource) {
  47   VLOG(4) << "PPB_AudioConfig::IsAudioConfig()";
  48   EnterResource<PPB_AudioConfig_API> enter(resource, false);
  49   return PP_FromBool(enter.succeeded());
  50 }
  51
  52 PP_AudioSampleRate GetSampleRate(PP_Resource config_id) {
  53   VLOG(4) << "PPB_AudioConfig::GetSampleRate()";
  54   EnterResource<PPB_AudioConfig_API> enter(config_id, true);
  55   if (enter.failed())
  56     return PP_AUDIOSAMPLERATE_NONE;
  57   return enter.object()->GetSampleRate();
  58 }
  59
  60 uint32_t GetSampleFrameCount(PP_Resource config_id) {
  61   VLOG(4) << "PPB_AudioConfig::GetSampleFrameCount()";
  62   EnterResource<PPB_AudioConfig_API> enter(config_id, true);
  63   if (enter.failed())
  64     return 0;
  65   return enter.object()->GetSampleFrameCount();
  66 }
  67
  68 PP_AudioSampleRate RecommendSampleRate(PP_Instance instance) {
  69   VLOG(4) << "PPB_AudioConfig::RecommendSampleRate()";
  70   EnterInstance enter(instance);
  71   if (enter.failed())
  72     return PP_AUDIOSAMPLERATE_NONE;
  73   return PPB_AudioConfig_Shared::RecommendSampleRate(instance);
  74 }
  75
  76 const PPB_AudioConfig_1_0 g_ppb_audio_config_thunk_1_0 = {
  77   &CreateStereo16bit,
  78   &RecommendSampleFrameCount_1_0,
  79   &IsAudioConfig,
  80   &GetSampleRate,
  81   &GetSampleFrameCount
  82 };
  83
  84 const PPB_AudioConfig_1_1 g_ppb_audio_config_thunk_1_1 = {
  85   &CreateStereo16bit,
  86   &RecommendSampleFrameCount_1_1,
  87   &IsAudioConfig,
  88   &GetSampleRate,
  89   &GetSampleFrameCount,
  90   &RecommendSampleRate
  91 };
  92
  93
  94 }  // namespace
  95
  96 const PPB_AudioConfig_1_0* GetPPB_AudioConfig_1_0_Thunk() {
  97   return &g_ppb_audio_config_thunk_1_0;
  98 }
  99
 100 const PPB_AudioConfig_1_1* GetPPB_AudioConfig_1_1_Thunk() {
 101   return &g_ppb_audio_config_thunk_1_1;
 102 }
 103
 104 }  // namespace thunk
 105 }  // namespace ppapi