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      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
    106