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// Copyright (c) 2012 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/shared_impl/ppb_device_ref_shared.h"
#include "ppapi/shared_impl/tracked_callback.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_device_ref_api.h"
#include "ppapi/thunk/ppb_video_capture_api.h"
#include "ppapi/thunk/resource_creation_api.h"
#include "ppapi/thunk/thunk.h"
namespace ppapi {
namespace thunk {
namespace {
typedef EnterResource<PPB_VideoCapture_API> EnterVideoCapture;
PP_Resource Create(PP_Instance instance) {
EnterResourceCreation enter(instance);
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 EnumerateDevices0_2(PP_Resource video_capture,
PP_Resource* devices,
PP_CompletionCallback callback) {
EnterVideoCapture enter(video_capture, callback, true);
if (enter.failed())
return enter.retval();
return enter.SetResult(enter.object()->EnumerateDevices0_2(devices,
enter.callback()));
}
int32_t EnumerateDevices(PP_Resource video_capture,
PP_ArrayOutput output,
PP_CompletionCallback callback) {
EnterVideoCapture enter(video_capture, callback, true);
if (enter.failed())
return enter.retval();
return enter.SetResult(enter.object()->EnumerateDevices(output,
enter.callback()));
}
int32_t MonitorDeviceChange(PP_Resource video_capture,
PP_MonitorDeviceChangeCallback callback,
void* user_data) {
EnterVideoCapture enter(video_capture, true);
if (enter.failed())
return enter.retval();
return enter.object()->MonitorDeviceChange(callback, user_data);
}
int32_t Open(PP_Resource video_capture,
PP_Resource device_ref,
const PP_VideoCaptureDeviceInfo_Dev* requested_info,
uint32_t buffer_count,
PP_CompletionCallback callback) {
EnterVideoCapture enter(video_capture, callback, true);
if (enter.failed())
return enter.retval();
std::string device_id;
// |device_id| remains empty if |device_ref| is 0, which means the default
// device.
if (device_ref != 0) {
EnterResourceNoLock<PPB_DeviceRef_API> enter_device_ref(device_ref, true);
if (enter_device_ref.failed())
return enter.SetResult(PP_ERROR_BADRESOURCE);
device_id = enter_device_ref.object()->GetDeviceRefData().id;
}
return enter.SetResult(enter.object()->Open(
device_id, *requested_info, buffer_count, enter.callback()));
}
int32_t StartCapture(PP_Resource video_capture) {
EnterVideoCapture enter(video_capture, true);
if (enter.failed())
return enter.retval();
return enter.object()->StartCapture();
}
int32_t ReuseBuffer(PP_Resource video_capture,
uint32_t buffer) {
EnterVideoCapture enter(video_capture, true);
if (enter.failed())
return enter.retval();
return enter.object()->ReuseBuffer(buffer);
}
int32_t StopCapture(PP_Resource video_capture) {
EnterVideoCapture enter(video_capture, true);
if (enter.failed())
return enter.retval();
return enter.object()->StopCapture();
}
void Close(PP_Resource video_capture) {
EnterVideoCapture enter(video_capture, true);
if (enter.succeeded())
enter.object()->Close();
}
const PPB_VideoCapture_Dev_0_2 g_ppb_video_capture_0_2_thunk = {
&Create,
&IsVideoCapture,
&EnumerateDevices0_2,
&Open,
&StartCapture,
&ReuseBuffer,
&StopCapture,
&Close
};
const PPB_VideoCapture_Dev_0_3 g_ppb_video_capture_0_3_thunk = {
&Create,
&IsVideoCapture,
&EnumerateDevices,
&MonitorDeviceChange,
&Open,
&StartCapture,
&ReuseBuffer,
&StopCapture,
&Close
};
} // namespace
const PPB_VideoCapture_Dev_0_2* GetPPB_VideoCapture_Dev_0_2_Thunk() {
return &g_ppb_video_capture_0_2_thunk;
}
const PPB_VideoCapture_Dev_0_3* GetPPB_VideoCapture_Dev_0_3_Thunk() {
return &g_ppb_video_capture_0_3_thunk;
}
} // namespace thunk
} // namespace ppapi
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