ppapi/thunk/ppb_video_frame_thunk.cc

   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