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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/cpp/dev/video_capture_dev.h"
#include "ppapi/c/dev/ppb_video_capture_dev.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/cpp/dev/resource_array_dev.h"
#include "ppapi/cpp/instance_handle.h"
#include "ppapi/cpp/module_impl.h"
namespace pp {
namespace {
template <> const char* interface_name<PPB_VideoCapture_Dev_0_2>() {
return PPB_VIDEOCAPTURE_DEV_INTERFACE_0_2;
}
template <> const char* interface_name<PPB_VideoCapture_Dev_0_3>() {
return PPB_VIDEOCAPTURE_DEV_INTERFACE_0_3;
}
} // namespace
VideoCapture_Dev::VideoCapture_Dev(const InstanceHandle& instance) {
if (has_interface<PPB_VideoCapture_Dev_0_3>()) {
PassRefFromConstructor(get_interface<PPB_VideoCapture_Dev_0_3>()->Create(
instance.pp_instance()));
} else if (has_interface<PPB_VideoCapture_Dev_0_2>()) {
PassRefFromConstructor(get_interface<PPB_VideoCapture_Dev_0_2>()->Create(
instance.pp_instance()));
}
}
VideoCapture_Dev::VideoCapture_Dev(PP_Resource resource)
: Resource(resource) {
}
VideoCapture_Dev::~VideoCapture_Dev() {
}
// static
bool VideoCapture_Dev::IsAvailable() {
return has_interface<PPB_VideoCapture_Dev_0_3>() ||
has_interface<PPB_VideoCapture_Dev_0_2>();
}
int32_t VideoCapture_Dev::EnumerateDevices(
const CompletionCallbackWithOutput<std::vector<DeviceRef_Dev> >& callback) {
if (has_interface<PPB_VideoCapture_Dev_0_3>()) {
return get_interface<PPB_VideoCapture_Dev_0_3>()->EnumerateDevices(
pp_resource(), callback.output(), callback.pp_completion_callback());
}
if (has_interface<PPB_VideoCapture_Dev_0_2>()) {
if (!callback.pp_completion_callback().func)
return callback.MayForce(PP_ERROR_BLOCKS_MAIN_THREAD);
// ArrayOutputCallbackConverter is responsible to delete it.
ResourceArray_Dev::ArrayOutputCallbackData* data =
new ResourceArray_Dev::ArrayOutputCallbackData(
callback.output(), callback.pp_completion_callback());
return get_interface<PPB_VideoCapture_Dev_0_2>()->EnumerateDevices(
pp_resource(), &data->resource_array_output,
PP_MakeCompletionCallback(
&ResourceArray_Dev::ArrayOutputCallbackConverter, data));
}
return callback.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t VideoCapture_Dev::MonitorDeviceChange(
PP_MonitorDeviceChangeCallback callback,
void* user_data) {
if (has_interface<PPB_VideoCapture_Dev_0_3>()) {
return get_interface<PPB_VideoCapture_Dev_0_3>()->MonitorDeviceChange(
pp_resource(), callback, user_data);
}
return PP_ERROR_NOINTERFACE;
}
int32_t VideoCapture_Dev::Open(
const DeviceRef_Dev& device_ref,
const PP_VideoCaptureDeviceInfo_Dev& requested_info,
uint32_t buffer_count,
const CompletionCallback& callback) {
if (has_interface<PPB_VideoCapture_Dev_0_3>()) {
return get_interface<PPB_VideoCapture_Dev_0_3>()->Open(
pp_resource(), device_ref.pp_resource(), &requested_info, buffer_count,
callback.pp_completion_callback());
}
if (has_interface<PPB_VideoCapture_Dev_0_2>()) {
return get_interface<PPB_VideoCapture_Dev_0_2>()->Open(
pp_resource(), device_ref.pp_resource(), &requested_info, buffer_count,
callback.pp_completion_callback());
}
return callback.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t VideoCapture_Dev::StartCapture() {
if (has_interface<PPB_VideoCapture_Dev_0_3>()) {
return get_interface<PPB_VideoCapture_Dev_0_3>()->StartCapture(
pp_resource());
}
if (has_interface<PPB_VideoCapture_Dev_0_2>()) {
return get_interface<PPB_VideoCapture_Dev_0_2>()->StartCapture(
pp_resource());
}
return PP_ERROR_NOINTERFACE;
}
int32_t VideoCapture_Dev::ReuseBuffer(uint32_t buffer) {
if (has_interface<PPB_VideoCapture_Dev_0_3>()) {
return get_interface<PPB_VideoCapture_Dev_0_3>()->ReuseBuffer(pp_resource(),
buffer);
}
if (has_interface<PPB_VideoCapture_Dev_0_2>()) {
return get_interface<PPB_VideoCapture_Dev_0_2>()->ReuseBuffer(pp_resource(),
buffer);
}
return PP_ERROR_NOINTERFACE;
}
int32_t VideoCapture_Dev::StopCapture() {
if (has_interface<PPB_VideoCapture_Dev_0_3>()) {
return get_interface<PPB_VideoCapture_Dev_0_3>()->StopCapture(
pp_resource());
}
if (has_interface<PPB_VideoCapture_Dev_0_2>()) {
return get_interface<PPB_VideoCapture_Dev_0_2>()->StopCapture(
pp_resource());
}
return PP_ERROR_NOINTERFACE;
}
void VideoCapture_Dev::Close() {
if (has_interface<PPB_VideoCapture_Dev_0_3>()) {
get_interface<PPB_VideoCapture_Dev_0_3>()->Close(pp_resource());
} else if (has_interface<PPB_VideoCapture_Dev_0_2>()) {
get_interface<PPB_VideoCapture_Dev_0_2>()->Close(pp_resource());
}
}
} // namespace pp
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