Video Capture Pepper API

ppapi/thunk/ppb_video_capture_thunk.cc

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/thunk/common.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/thunk.h"
+#include "ppapi/thunk/ppb_video_capture_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+typedef EnterResource<PPB_VideoCapture_API> EnterVideoCapture;
+
+PP_Resource Create(PP_Instance instance) {
+  EnterFunction<ResourceCreationAPI> enter(instance, true);
+  if (enter.failed())
+    return 0;
+  return enter.functions()->CreateVideoCapture(instance);
+}
+
+PP_Bool IsVideoCapture(PP_Resource resource) {
+  EnterVideoCapture enter(resource, false);
+  return PP_FromBool(enter.succeeded());
+}
+
+int32_t StartCapture(PP_Resource video_capture,
+                     const PP_VideoCaptureDeviceInfo_Dev* requested_info,
+                     uint32_t buffer_count) {
+  EnterVideoCapture enter(video_capture, true);
+  if (enter.failed())
+    return PP_ERROR_BADRESOURCE;
+
+  return enter.object()->StartCapture(*requested_info, buffer_count);
+}
+
+int32_t ReuseBuffer(PP_Resource video_capture,
+                    uint32_t buffer) {
+  EnterVideoCapture enter(video_capture, true);
+  if (enter.failed())
+    return PP_ERROR_BADRESOURCE;
+
+  return enter.object()->ReuseBuffer(buffer);
+}
+
+int32_t StopCapture(PP_Resource video_capture) {
+  EnterVideoCapture enter(video_capture, true);
+  if (enter.failed())
+    return PP_ERROR_BADRESOURCE;
+
+  return enter.object()->StopCapture();
+}
+
+const PPB_VideoCapture_Dev g_ppb_videocapture_thunk = {
+  &Create,
+  &IsVideoCapture,
+  &StartCapture,
+  &ReuseBuffer,
+  &StopCapture
+};
+
+}  // namespace
+
+const PPB_VideoCapture_Dev* GetPPB_VideoCapture_Thunk() {
+  return &g_ppb_videocapture_thunk;
+}
+
+}  // namespace thunk
+}  // namespace ppapi