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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_video_frame.idl modified Mon Jan 13 12:02:23 2014.
      6 
      7 #include "ppapi/c/pp_errors.h"
      8 #include "ppapi/c/ppb_video_frame.h"
      9 #include "ppapi/shared_impl/tracked_callback.h"
     10 #include "ppapi/thunk/enter.h"
     11 #include "ppapi/thunk/ppapi_thunk_export.h"
     12 #include "ppapi/thunk/ppb_video_frame_api.h"
     13 
     14 namespace ppapi {
     15 namespace thunk {
     16 
     17 namespace {
     18 
     19 PP_Bool IsVideoFrame(PP_Resource resource) {
     20   VLOG(4) << "PPB_VideoFrame::IsVideoFrame()";
     21   EnterResource<PPB_VideoFrame_API> enter(resource, false);
     22   return PP_FromBool(enter.succeeded());
     23 }
     24 
     25 PP_TimeDelta GetTimestamp(PP_Resource frame) {
     26   VLOG(4) << "PPB_VideoFrame::GetTimestamp()";
     27   EnterResource<PPB_VideoFrame_API> enter(frame, true);
     28   if (enter.failed())
     29     return 0.0;
     30   return enter.object()->GetTimestamp();
     31 }
     32 
     33 void SetTimestamp(PP_Resource frame, PP_TimeDelta timestamp) {
     34   VLOG(4) << "PPB_VideoFrame::SetTimestamp()";
     35   EnterResource<PPB_VideoFrame_API> enter(frame, true);
     36   if (enter.failed())
     37     return;
     38   enter.object()->SetTimestamp(timestamp);
     39 }
     40 
     41 PP_VideoFrame_Format GetFormat(PP_Resource frame) {
     42   VLOG(4) << "PPB_VideoFrame::GetFormat()";
     43   EnterResource<PPB_VideoFrame_API> enter(frame, true);
     44   if (enter.failed())
     45     return PP_VIDEOFRAME_FORMAT_UNKNOWN;
     46   return enter.object()->GetFormat();
     47 }
     48 
     49 PP_Bool GetSize(PP_Resource frame, struct PP_Size* size) {
     50   VLOG(4) << "PPB_VideoFrame::GetSize()";
     51   EnterResource<PPB_VideoFrame_API> enter(frame, true);
     52   if (enter.failed())
     53     return PP_FALSE;
     54   return enter.object()->GetSize(size);
     55 }
     56 
     57 void* GetDataBuffer(PP_Resource frame) {
     58   VLOG(4) << "PPB_VideoFrame::GetDataBuffer()";
     59   EnterResource<PPB_VideoFrame_API> enter(frame, true);
     60   if (enter.failed())
     61     return NULL;
     62   return enter.object()->GetDataBuffer();
     63 }
     64 
     65 uint32_t GetDataBufferSize(PP_Resource frame) {
     66   VLOG(4) << "PPB_VideoFrame::GetDataBufferSize()";
     67   EnterResource<PPB_VideoFrame_API> enter(frame, true);
     68   if (enter.failed())
     69     return 0;
     70   return enter.object()->GetDataBufferSize();
     71 }
     72 
     73 const PPB_VideoFrame_0_1 g_ppb_videoframe_thunk_0_1 = {
     74   &IsVideoFrame,
     75   &GetTimestamp,
     76   &SetTimestamp,
     77   &GetFormat,
     78   &GetSize,
     79   &GetDataBuffer,
     80   &GetDataBufferSize
     81 };
     82 
     83 }  // namespace
     84 
     85 PPAPI_THUNK_EXPORT const PPB_VideoFrame_0_1* GetPPB_VideoFrame_0_1_Thunk() {
     86   return &g_ppb_videoframe_thunk_0_1;
     87 }
     88 
     89 }  // namespace thunk
     90 }  // namespace ppapi
     91