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      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_media_stream_video_track.idl modified Mon Mar 31 14:40:45 2014.
      6 
      7 #include "ppapi/c/pp_completion_callback.h"
      8 #include "ppapi/c/pp_errors.h"
      9 #include "ppapi/c/ppb_media_stream_video_track.h"
     10 #include "ppapi/shared_impl/tracked_callback.h"
     11 #include "ppapi/thunk/enter.h"
     12 #include "ppapi/thunk/ppapi_thunk_export.h"
     13 #include "ppapi/thunk/ppb_media_stream_video_track_api.h"
     14 
     15 namespace ppapi {
     16 namespace thunk {
     17 
     18 namespace {
     19 
     20 PP_Resource Create(PP_Instance instance) {
     21   VLOG(4) << "PPB_MediaStreamVideoTrack::Create()";
     22   EnterResourceCreation enter(instance);
     23   if (enter.failed())
     24     return 0;
     25   return enter.functions()->CreateMediaStreamVideoTrack(instance);
     26 }
     27 
     28 PP_Bool IsMediaStreamVideoTrack(PP_Resource resource) {
     29   VLOG(4) << "PPB_MediaStreamVideoTrack::IsMediaStreamVideoTrack()";
     30   EnterResource<PPB_MediaStreamVideoTrack_API> enter(resource, false);
     31   return PP_FromBool(enter.succeeded());
     32 }
     33 
     34 int32_t Configure(PP_Resource video_track,
     35                   const int32_t attrib_list[],
     36                   struct PP_CompletionCallback callback) {
     37   VLOG(4) << "PPB_MediaStreamVideoTrack::Configure()";
     38   EnterResource<PPB_MediaStreamVideoTrack_API> enter(video_track,
     39                                                      callback,
     40                                                      true);
     41   if (enter.failed())
     42     return enter.retval();
     43   return enter.SetResult(enter.object()->Configure(attrib_list,
     44                                                    enter.callback()));
     45 }
     46 
     47 int32_t GetAttrib(PP_Resource video_track,
     48                   PP_MediaStreamVideoTrack_Attrib attrib,
     49                   int32_t* value) {
     50   VLOG(4) << "PPB_MediaStreamVideoTrack::GetAttrib()";
     51   EnterResource<PPB_MediaStreamVideoTrack_API> enter(video_track, true);
     52   if (enter.failed())
     53     return enter.retval();
     54   return enter.object()->GetAttrib(attrib, value);
     55 }
     56 
     57 struct PP_Var GetId(PP_Resource video_track) {
     58   VLOG(4) << "PPB_MediaStreamVideoTrack::GetId()";
     59   EnterResource<PPB_MediaStreamVideoTrack_API> enter(video_track, true);
     60   if (enter.failed())
     61     return PP_MakeUndefined();
     62   return enter.object()->GetId();
     63 }
     64 
     65 PP_Bool HasEnded(PP_Resource video_track) {
     66   VLOG(4) << "PPB_MediaStreamVideoTrack::HasEnded()";
     67   EnterResource<PPB_MediaStreamVideoTrack_API> enter(video_track, true);
     68   if (enter.failed())
     69     return PP_TRUE;
     70   return enter.object()->HasEnded();
     71 }
     72 
     73 int32_t GetFrame(PP_Resource video_track,
     74                  PP_Resource* frame,
     75                  struct PP_CompletionCallback callback) {
     76   VLOG(4) << "PPB_MediaStreamVideoTrack::GetFrame()";
     77   EnterResource<PPB_MediaStreamVideoTrack_API> enter(video_track,
     78                                                      callback,
     79                                                      true);
     80   if (enter.failed())
     81     return enter.retval();
     82   return enter.SetResult(enter.object()->GetFrame(frame, enter.callback()));
     83 }
     84 
     85 int32_t RecycleFrame(PP_Resource video_track, PP_Resource frame) {
     86   VLOG(4) << "PPB_MediaStreamVideoTrack::RecycleFrame()";
     87   EnterResource<PPB_MediaStreamVideoTrack_API> enter(video_track, true);
     88   if (enter.failed())
     89     return enter.retval();
     90   return enter.object()->RecycleFrame(frame);
     91 }
     92 
     93 void Close(PP_Resource video_track) {
     94   VLOG(4) << "PPB_MediaStreamVideoTrack::Close()";
     95   EnterResource<PPB_MediaStreamVideoTrack_API> enter(video_track, true);
     96   if (enter.failed())
     97     return;
     98   enter.object()->Close();
     99 }
    100 
    101 int32_t GetEmptyFrame(PP_Resource video_track,
    102                       PP_Resource* frame,
    103                       struct PP_CompletionCallback callback) {
    104   VLOG(4) << "PPB_MediaStreamVideoTrack::GetEmptyFrame()";
    105   EnterResource<PPB_MediaStreamVideoTrack_API> enter(video_track,
    106                                                      callback,
    107                                                      true);
    108   if (enter.failed())
    109     return enter.retval();
    110   return enter.SetResult(enter.object()->GetEmptyFrame(frame,
    111                                                        enter.callback()));
    112 }
    113 
    114 int32_t PutFrame(PP_Resource video_track, PP_Resource frame) {
    115   VLOG(4) << "PPB_MediaStreamVideoTrack::PutFrame()";
    116   EnterResource<PPB_MediaStreamVideoTrack_API> enter(video_track, true);
    117   if (enter.failed())
    118     return enter.retval();
    119   return enter.object()->PutFrame(frame);
    120 }
    121 
    122 const PPB_MediaStreamVideoTrack_0_1 g_ppb_mediastreamvideotrack_thunk_0_1 = {
    123   &IsMediaStreamVideoTrack,
    124   &Configure,
    125   &GetAttrib,
    126   &GetId,
    127   &HasEnded,
    128   &GetFrame,
    129   &RecycleFrame,
    130   &Close
    131 };
    132 
    133 const PPB_MediaStreamVideoTrack_1_0 g_ppb_mediastreamvideotrack_thunk_1_0 = {
    134   &Create,
    135   &IsMediaStreamVideoTrack,
    136   &Configure,
    137   &GetAttrib,
    138   &GetId,
    139   &HasEnded,
    140   &GetFrame,
    141   &RecycleFrame,
    142   &Close,
    143   &GetEmptyFrame,
    144   &PutFrame
    145 };
    146 
    147 }  // namespace
    148 
    149 PPAPI_THUNK_EXPORT const PPB_MediaStreamVideoTrack_0_1*
    150     GetPPB_MediaStreamVideoTrack_0_1_Thunk() {
    151   return &g_ppb_mediastreamvideotrack_thunk_0_1;
    152 }
    153 
    154 PPAPI_THUNK_EXPORT const PPB_MediaStreamVideoTrack_1_0*
    155     GetPPB_MediaStreamVideoTrack_1_0_Thunk() {
    156   return &g_ppb_mediastreamvideotrack_thunk_1_0;
    157 }
    158 
    159 }  // namespace thunk
    160 }  // namespace ppapi
    161