15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <assert.h> 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string.h> 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/dev/ppb_video_capture_dev.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/pp_errors.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/dev/device_ref_dev.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/dev/video_capture_dev.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/dev/video_capture_client_dev.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/completion_callback.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/instance.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/module.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/private/flash.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/var.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/utility/completion_callback_factory.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// When compiling natively on Windows, PostMessage can be #define-d to 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// something else. 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifdef PostMessage 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#undef PostMessage 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This object is the global object representing this plugin library as long 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// as it is loaded. 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class EnumerateDevicesDemoModule : public pp::Module { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnumerateDevicesDemoModule() : pp::Module() {} 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~EnumerateDevicesDemoModule() {} 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual pp::Instance* CreateInstance(PP_Instance instance); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class EnumerateDevicesDemoInstance : public pp::Instance, 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public pp::VideoCaptureClient_Dev { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnumerateDevicesDemoInstance(PP_Instance instance, pp::Module* module); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~EnumerateDevicesDemoInstance(); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pp::Instance implementation (see PPP_Instance). 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void HandleMessage(const pp::Var& message_data); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pp::VideoCaptureClient_Dev implementation. 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnDeviceInfo(PP_Resource resource, 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const PP_VideoCaptureDeviceInfo_Dev& info, 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::vector<pp::Buffer_Dev>& buffers) {} 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnStatus(PP_Resource resource, uint32_t status) {} 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnError(PP_Resource resource, uint32_t error) {} 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnBufferReady(PP_Resource resource, uint32_t buffer) {} 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void EnumerateDevicesFinished(int32_t result, 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<pp::DeviceRef_Dev>& devices); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::VideoCapture_Dev video_capture_; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::CompletionCallbackFactory<EnumerateDevicesDemoInstance> callback_factory_; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<pp::DeviceRef_Dev> devices_; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)EnumerateDevicesDemoInstance::EnumerateDevicesDemoInstance(PP_Instance instance, 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Module* module) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : pp::Instance(instance), 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::VideoCaptureClient_Dev(this), 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) video_capture_(this), 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) callback_factory_(this) { 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)EnumerateDevicesDemoInstance::~EnumerateDevicesDemoInstance() { 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void EnumerateDevicesDemoInstance::HandleMessage(const pp::Var& message_data) { 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (message_data.is_string()) { 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string event = message_data.AsString(); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (event == "EnumerateDevicesAsync") { 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::CompletionCallbackWithOutput<std::vector<pp::DeviceRef_Dev> > 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) callback = callback_factory_.NewCallbackWithOutput( 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &EnumerateDevicesDemoInstance::EnumerateDevicesFinished); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) video_capture_.EnumerateDevices(callback); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (event == "EnumerateDevicesSync") { 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<pp::DeviceRef_Dev> devices; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32_t result = pp::flash::Flash::EnumerateVideoCaptureDevices( 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) this, video_capture_, &devices); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnumerateDevicesFinished(result, devices); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void EnumerateDevicesDemoInstance::EnumerateDevicesFinished( 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32_t result, 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<pp::DeviceRef_Dev>& devices) { 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const char* const kDelimiter = "#__#"; 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (result == PP_OK) { 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) devices_.swap(devices); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string device_names; 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t index = 0; index < devices_.size(); ++index) { 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Var name = devices_[index].GetName(); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) assert(name.is_string()); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index != 0) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) device_names += kDelimiter; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) device_names += name.AsString(); 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PostMessage(pp::Var("EnumerationSuccess" + device_names)); 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PostMessage(pp::Var("EnumerationFailed")); 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)pp::Instance* EnumerateDevicesDemoModule::CreateInstance(PP_Instance instance) { 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new EnumerateDevicesDemoInstance(instance, this); 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // anonymous namespace 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace pp { 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Factory function for your specialization of the Module object. 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Module* CreateModule() { 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new EnumerateDevicesDemoModule(); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace pp 128