src/ppapi/thunk/ppb_video_source_private_thunk.cc

   1 // Copyright (c) 2013 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_completion_callback.h"
   6 #include "ppapi/c/pp_errors.h"
   7 #include "ppapi/c/private/pp_video_frame_private.h"
   8 #include "ppapi/c/private/ppb_video_source_private.h"
   9 #include "ppapi/shared_impl/tracked_callback.h"
  10 #include "ppapi/thunk/enter.h"
  11 #include "ppapi/thunk/ppb_video_source_private_api.h"
  12 #include "ppapi/thunk/resource_creation_api.h"
  13 #include "ppapi/thunk/thunk.h"
  14
  15 namespace ppapi {
  16 namespace thunk {
  17
  18 namespace {
  19
  20 PP_Resource Create(PP_Instance instance) {
  21   EnterResourceCreation enter(instance);
  22   if (enter.failed())
  23     return 0;
  24   return enter.functions()->CreateVideoSource(instance);
  25 }
  26
  27 PP_Bool IsVideoSource(PP_Resource resource) {
  28   EnterResource<PPB_VideoSource_Private_API> enter(resource, false);
  29   return PP_FromBool(enter.succeeded());
  30 }
  31
  32 int32_t Open(PP_Resource source,
  33              PP_Var stream_url,
  34              PP_CompletionCallback callback) {
  35   EnterResource<PPB_VideoSource_Private_API> enter(source, callback, true);
  36   if (enter.failed())
  37     return enter.retval();
  38   return enter.SetResult(enter.object()->Open(stream_url, enter.callback()));
  39 }
  40
  41 int32_t GetFrame(PP_Resource source,
  42                  PP_VideoFrame_Private* frame,
  43                  PP_CompletionCallback callback) {
  44   EnterResource<PPB_VideoSource_Private_API> enter(source, callback, true);
  45   if (enter.failed())
  46     return enter.retval();
  47   return enter.SetResult(enter.object()->GetFrame(frame, enter.callback()));
  48 }
  49
  50 void Close(PP_Resource source) {
  51   EnterResource<PPB_VideoSource_Private_API> enter(source, true);
  52   if (enter.succeeded())
  53     enter.object()->Close();
  54 }
  55
  56 const PPB_VideoSource_Private_0_1 g_ppb_video_source_private_thunk_0_1 = {
  57   &Create,
  58   &IsVideoSource,
  59   &Open,
  60   &GetFrame,
  61   &Close
  62 };
  63
  64 }  // namespace
  65
  66 const PPB_VideoSource_Private_0_1* GetPPB_VideoSource_Private_0_1_Thunk() {
  67   return &g_ppb_video_source_private_thunk_0_1;
  68 }
  69
  70 }  // namespace thunk
  71 }  // namespace ppapi