ppapi/thunk/ppb_audio_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/c/pp_errors.h"
   6 #include "ppapi/c/ppb_audio.h"
   7 #include "ppapi/shared_impl/tracked_callback.h"
   8 #include "ppapi/thunk/enter.h"
   9 #include "ppapi/thunk/ppb_audio_api.h"
  10 #include "ppapi/thunk/ppb_instance_api.h"
  11 #include "ppapi/thunk/resource_creation_api.h"
  12 #include "ppapi/thunk/thunk.h"
  13
  14 namespace ppapi {
  15 namespace thunk {
  16
  17 namespace {
  18
  19 PP_Resource Create_1_0(PP_Instance instance,
  20                       PP_Resource config,
  21                       PPB_Audio_Callback_1_0 audio_callback,
  22                       void* user_data) {
  23   VLOG(4) << "PPB_Audio::Create()";
  24   EnterResourceCreation enter(instance);
  25   if (enter.failed())
  26     return 0;
  27   return enter.functions()->CreateAudio1_0(instance,
  28                                            config,
  29                                            audio_callback,
  30                                            user_data);
  31 }
  32
  33 PP_Resource Create(PP_Instance instance,
  34                    PP_Resource config,
  35                    PPB_Audio_Callback audio_callback,
  36                    void* user_data) {
  37   VLOG(4) << "PPB_Audio::Create()";
  38   EnterResourceCreation enter(instance);
  39   if (enter.failed())
  40     return 0;
  41   return enter.functions()->CreateAudio(instance,
  42                                         config,
  43                                         audio_callback,
  44                                         user_data);
  45 }
  46
  47 PP_Bool IsAudio(PP_Resource resource) {
  48   VLOG(4) << "PPB_Audio::IsAudio()";
  49   EnterResource<PPB_Audio_API> enter(resource, false);
  50   return PP_FromBool(enter.succeeded());
  51 }
  52
  53 PP_Resource GetCurrentConfig(PP_Resource audio) {
  54   VLOG(4) << "PPB_Audio::GetCurrentConfig()";
  55   EnterResource<PPB_Audio_API> enter(audio, true);
  56   if (enter.failed())
  57     return 0;
  58   return enter.object()->GetCurrentConfig();
  59 }
  60
  61 PP_Bool StartPlayback(PP_Resource audio) {
  62   VLOG(4) << "PPB_Audio::StartPlayback()";
  63   EnterResource<PPB_Audio_API> enter(audio, true);
  64   if (enter.failed())
  65     return PP_FALSE;
  66   return enter.object()->StartPlayback();
  67 }
  68
  69 PP_Bool StopPlayback(PP_Resource audio) {
  70   VLOG(4) << "PPB_Audio::StopPlayback()";
  71   EnterResource<PPB_Audio_API> enter(audio, true);
  72   if (enter.failed())
  73     return PP_FALSE;
  74   return enter.object()->StopPlayback();
  75 }
  76
  77 const PPB_Audio_1_0 g_ppb_audio_thunk_1_0 = {
  78   &Create_1_0,
  79   &IsAudio,
  80   &GetCurrentConfig,
  81   &StartPlayback,
  82   &StopPlayback
  83 };
  84
  85 const PPB_Audio_1_1 g_ppb_audio_thunk_1_1 = {
  86   &Create,
  87   &IsAudio,
  88   &GetCurrentConfig,
  89   &StartPlayback,
  90   &StopPlayback
  91 };
  92
  93 }  // namespace
  94
  95 const PPB_Audio_1_0* GetPPB_Audio_1_0_Thunk() {
  96   return &g_ppb_audio_thunk_1_0;
  97 }
  98
  99 const PPB_Audio_1_1* GetPPB_Audio_1_1_Thunk() {
 100   return &g_ppb_audio_thunk_1_1;
 101 }
 102
 103 }  // namespace thunk
 104 }  // namespace ppapi