Windows平台RTMP推送|轻量级RTSP服务实现本地摄像头|屏幕|叠加数据预览

bool CSmartPublisherDemoDlg::OpenPublisherHandle()
{
    if ( publisher_handle_ != NULL )
    {
        return true;
    }
 
    // 视频
    auto video_option = NT_PB_E_VIDEO_OPTION_NO_VIDEO;
 
    if ( BST_CHECKED == btn_check_desktop_camera_switch_.GetCheck()
        || BST_CHECKED == btn_check_camera_overlay_to_desktop_.GetCheck() 
        || BST_CHECKED == btn_check_desktop_overlay_to_camera_.GetCheck() )
    {
        // 使用叠加模式
        video_option = NT_PB_E_VIDEO_OPTION_LAYER;
    }
    else if (BST_CHECKED == btn_check_desktop_input_.GetCheck() && BST_CHECKED == btn_check_scale_desktop_.GetCheck())
    {
        // 使用叠加模式来实现缩放
        video_option = NT_PB_E_VIDEO_OPTION_LAYER;
    }
    else if (BST_CHECKED == btn_check_desktop_input_.GetCheck() && BST_CHECKED != btn_check_scale_desktop_.GetCheck() )
    {
        video_option = NT_PB_E_VIDEO_OPTION_SCREEN;
    }
    else if (BST_CHECKED == btn_check_window_input_.GetCheck())
    {
        video_option = NT_PB_E_VIDEO_OPTION_WINDOW;
 
        // video_option = NT_PB_E_VIDEO_OPTION_LAYER;
    }
    else if (BST_CHECKED == btn_check_camera_input_.GetCheck())
    {
        video_option = NT_PB_E_VIDEO_OPTION_CAMERA;
    }
 
    // 音频
    auto audio_option = NT_PB_E_AUDIO_OPTION_NO_AUDIO;
 
    audio_option = NT_PB_E_AUDIO_OPTION_NO_AUDIO;
 
    if ( BST_CHECKED == btn_check_auido_mic_input_.GetCheck()
        && BST_CHECKED == btn_check_auido_speaker_input_.GetCheck() )
    {
        audio_option = NT_PB_E_AUDIO_OPTION_CAPTURE_MIC_SPEAKER_MIXER;
    }
    else if ( BST_CHECKED == btn_check_auido_mic_input_.GetCheck() )
    {
        audio_option = NT_PB_E_AUDIO_OPTION_CAPTURE_MIC;
    }
    else if (BST_CHECKED == btn_check_auido_speaker_input_.GetCheck())
    {
        audio_option = NT_PB_E_AUDIO_OPTION_CAPTURE_SPEAKER;
    }
 
    publisher_handle_count_ = 0;
 
    if ( NT_ERC_OK != publisher_api_.Open(&publisher_handle_,
        video_option, audio_option, 0, NULL))
    {
        AfxMessageBox(_T("Call open failed!"));
        return false;
    }
 
    if ( publisher_handle_ != NULL )
    {
        // 设置事件回调
        publisher_api_.SetEventCallBack(publisher_handle_, GetSafeHwnd(), &NT_PB_SDKPublisherEventHandle);
 
        return true;
    }
    else
    {
        return false;
    }
}

/*定义Video源选项*/
typedef enum _NT_PB_E_VIDEO_OPTION
{
    NT_PB_E_VIDEO_OPTION_NO_VIDEO = 0x0,
    NT_PB_E_VIDEO_OPTION_SCREEN   = 0x1, // 采集屏幕
    NT_PB_E_VIDEO_OPTION_CAMERA   = 0x2, // 摄像头采集
    NT_PB_E_VIDEO_OPTION_LAYER    = 0x3, // 视频合并，比如桌面叠加摄像头等
    NT_PB_E_VIDEO_OPTION_ENCODED_DATA = 0x4, // 已经编码的视频数据，目前支持H264
    NT_PB_E_VIDEO_OPTION_WINDOW   = 0x5, // 采集窗口
} NT_PB_E_VIDEO_OPTION;

void CSmartPublisherDemoDlg::SetCommonOptionToPublisherSDK()
{
    ASSERT(publisher_handle_ != NULL);
 
    layer_conf_wrappers_.clear();
 
    // 视频相关设置
    if ( BST_CHECKED == btn_check_desktop_camera_switch_.GetCheck()
        || BST_CHECKED == btn_check_camera_overlay_to_desktop_.GetCheck()
        || BST_CHECKED == btn_check_desktop_overlay_to_camera_.GetCheck()
        || BST_CHECKED == btn_check_desktop_input_.GetCheck()
        || BST_CHECKED == btn_check_window_input_.GetCheck()
        || BST_CHECKED == btn_check_camera_input_.GetCheck() )
    {
        if ( BST_CHECKED == btn_check_desktop_camera_switch_.GetCheck() )
        {
            auto left = GetIntValueFromEdit(&edit_clip_left_);
            auto top = GetIntValueFromEdit(&edit_clip_top_);
            auto w = GetIntValueFromEdit(&edit_clip_width_);
            auto h = GetIntValueFromEdit(&edit_clip_height_);
 
            // 有一个是0， 就使用全屏
            if ( w == 0 || h == 0 )
            {
                left = 0;
                top  = 0;
                GetScreenSize(w, h);
            }
            else
            {
                // 保证4字节对齐
                w = NT_ByteAlign(w, 2);
                h = NT_ByteAlign(h, 4);
            }
 
            auto index = 0;
 
            // 第0层填充RGBA矩形, 目的是保证帧率, 颜色就填充全黑
            auto rgba_layer_c0 = std::make_shared<nt_pb_sdk::RGBARectangleLayerConfigWrapper>(index++, true,
                0, 0, w, h);
 
            rgba_layer_c0->conf_.red_   = 0;
            rgba_layer_c0->conf_.green_ = 0;
            rgba_layer_c0->conf_.blue_  = 0;
            rgba_layer_c0->conf_.alpha_ = 255;
 
            layer_conf_wrappers_.push_back(rgba_layer_c0);
 
            // 第1层是摄像头
            if ( CB_ERR != cur_sel_camera_index_ )
            {
                auto& camera = cameras_[cur_sel_camera_index_];
                
                auto camera_layer_c1 = std::make_shared<nt_pb_sdk::CameraLayerConfigWrapperV2>(index++, false,
                    0, 0, w, h);
 
                strcpy_s(camera_layer_c1->conf_.device_unique_id_utf8_, camera.id_.c_str());
 
                camera_layer_c1->conf_.is_flip_horizontal_ = BST_CHECKED == btn_check_flip_horizontal_camera_.GetCheck();
                camera_layer_c1->conf_.is_flip_vertical_   = BST_CHECKED == btn_check_flip_vertical_camera_.GetCheck();
 
                // 这种叠加模式下不要旋转，否则变形厉害, 要么就定好一个角度，调整宽高，但不要动态旋转
                camera_layer_c1->conf_.rotate_degress_ = 0;
 
                layer_conf_wrappers_.push_back(camera_layer_c1);
            }
 
            // 第2层是屏幕
            auto screen_layer_c2 = std::make_shared<nt_pb_sdk::ScreenLayerConfigWrapper>(index++, true,
                0, 0, w, h);
 
            screen_layer_c2->conf_.reserve_ = nullptr;
            screen_layer_c2->conf_.clip_region_.x_ = left;
            screen_layer_c2->conf_.clip_region_.y_ = top;
            screen_layer_c2->conf_.clip_region_.width_  = w;
            screen_layer_c2->conf_.clip_region_.height_ = h;
 
            layer_conf_wrappers_.push_back(screen_layer_c2);
 
 
            // 第3层填充RGBA矩形, 增加半透明效果
            auto r = GetIntValueFromEdit(&edit_rgba_rect_layer_red_);
            r = ClipIntValue(r, 0, 255);
 
            auto g = GetIntValueFromEdit(&edit_rgba_rect_layer_green_);
            g = ClipIntValue(g, 0, 255);
 
            auto b = GetIntValueFromEdit(&edit_rgba_rect_layer_blue_);
            b = ClipIntValue(b, 0, 255);
 
            auto a = GetIntValueFromEdit(&edit_rgba_rect_layer_alpha_);
            a = ClipIntValue(a, 0, 255);
 
            auto rgba_layer_c3 = std::make_shared<nt_pb_sdk::RGBARectangleLayerConfigWrapper>(index++, a != 0,
                0, 0, w, h);
 
                rgba_layer_c3->conf_.red_   = r;
                rgba_layer_c3->conf_.green_ = g;
                rgba_layer_c3->conf_.blue_  = b;
                rgba_layer_c3->conf_.alpha_ = a;
 
            layer_conf_wrappers_.push_back(rgba_layer_c3);
 
            // 如果有图片，增加图片层
            if ( !image_layer_file_name_utf8_.empty()
                && image_layer_width_ > 0 
                && image_layer_height_ > 0)
            {
                auto image_layer_c4 = std::make_shared<nt_pb_sdk::ImageLayerConfigWrapper>(index++, true,
                    image_layer_left_, image_layer_top_, 
                    image_layer_width_, image_layer_height_ );
 
                strcpy_s(image_layer_c4->conf_.file_name_utf8_, image_layer_file_name_utf8_.c_str());
                
                // 图片层是可以增加背景的，有兴趣的话，可以打开看看效果
                /*image_layer_c4->conf_.is_setting_background_ = 1;
                image_layer_c4->conf_.bk_red_ = 255;
                image_layer_c4->conf_.bk_green_ = 255;
                image_layer_c4->conf_.bk_blue_ = 255;*/
 
                layer_conf_wrappers_.push_back(image_layer_c4);
            }
 
            SetLayersConfig();
 
            publisher_api_.SetFrameRate(publisher_handle_, GetIntValueFromEdit(&edit_frame_rate_));
 
        }
        else if (BST_CHECKED == btn_check_camera_overlay_to_desktop_.GetCheck())
        {
            auto left = GetIntValueFromEdit(&edit_clip_left_);
            auto top  = GetIntValueFromEdit(&edit_clip_top_);
            auto w = GetIntValueFromEdit(&edit_clip_width_);
            auto h = GetIntValueFromEdit(&edit_clip_height_);
 
            // 有一个是0， 就使用全屏
            if ( w == 0 || h == 0 )
            {
                left = 0;
                top = 0;
                GetScreenSize(w, h);
            }
            else
            {
                // 保证4字节对齐
                w = NT_ByteAlign(w, 2);
                h = NT_ByteAlign(h, 4);
            }
 
            auto index = 0;
 
            /*auto image_layer_c0 = std::make_shared<nt_pb_sdk::ImageLayerConfigWrapper>(index++, true,
                0, 0, w, h);
                strcpy_s(image_layer_c0->conf_.file_name_utf8_, "D:\\myxxyy\\testpng\\ggdwdd.png");
                image_layer_c0->conf_.is_setting_background_ = 1;
                image_layer_c0->conf_.bk_red_ = 255;
                image_layer_c0->conf_.bk_green_ = 255;
                image_layer_c0->conf_.bk_blue_ = 255;
                layer_conf_wrappers_.push_back(image_layer_c0);*/
 
 
            // 第0层是屏幕
            auto screen_layer_c0 = std::make_shared<nt_pb_sdk::ScreenLayerConfigWrapper>(index++, true,
                0, 0, w, h);
 
            screen_layer_c0->conf_.reserve_ = nullptr;
            screen_layer_c0->conf_.clip_region_.x_ = left;
            screen_layer_c0->conf_.clip_region_.y_ = top;
            screen_layer_c0->conf_.clip_region_.width_ = w;
            screen_layer_c0->conf_.clip_region_.height_ = h;
 
            layer_conf_wrappers_.push_back(screen_layer_c0);
 
            // 第1层是摄像头
            if ( CB_ERR != cur_sel_camera_index_ )
            {
                auto& camera = cameras_[cur_sel_camera_index_];
 
                auto c_l = GetIntValueFromEdit(&edit_camera_overlay_left_);
                auto c_t = GetIntValueFromEdit(&edit_camera_overlay_top_);
 
                auto c_w = GetIntValueFromEdit(&edit_camera_overlay_width_);
                auto c_h = GetIntValueFromEdit(&edit_camera_overlay_height_);
 
                if ( c_w == 0 )
                {
                    c_w = w / 2;
                }
 
                if ( c_h == 0 )
                {
                    c_h = h / 2;
                }
 
                if ( c_w >0 && c_h > 0 )
                {
                    auto camera_layer_c1 = std::make_shared<nt_pb_sdk::CameraLayerConfigWrapperV2>(index++, true,
                        c_l, c_t, c_w, c_h);
 
                    strcpy_s(camera_layer_c1->conf_.device_unique_id_utf8_, camera.id_.c_str());
 
                    camera_layer_c1->conf_.is_flip_horizontal_ = BST_CHECKED == btn_check_flip_horizontal_camera_.GetCheck();
                    camera_layer_c1->conf_.is_flip_vertical_ = BST_CHECKED == btn_check_flip_vertical_camera_.GetCheck();
                    camera_layer_c1->conf_.rotate_degress_ = GetCameraRotateDegress();
 
                    layer_conf_wrappers_.push_back(camera_layer_c1);
                }   
            }
            
            SetLayersConfig();
 
            publisher_api_.SetFrameRate(publisher_handle_, GetIntValueFromEdit(&edit_frame_rate_));
        }
        else if (BST_CHECKED == btn_check_desktop_overlay_to_camera_.GetCheck())
        {
            if (CB_ERR != cur_sel_camera_index_
                && CB_ERR != cur_sel_camera_resolutions_index_
                && CB_ERR != cur_sel_camera_frame_rate_index_)
            {
                auto& camera = cameras_[cur_sel_camera_index_];
                auto& cap = camera.capabilities_[cur_sel_camera_resolutions_index_];
 
                auto index = 0;
 
                // 第0层是摄像头
                auto camera_layer_c0 = std::make_shared<nt_pb_sdk::CameraLayerConfigWrapperV2>(index++, true,
                    0, 0, cap.width_, cap.height_);
 
                strcpy_s(camera_layer_c0->conf_.device_unique_id_utf8_, camera.id_.c_str());
 
                camera_layer_c0->conf_.is_flip_horizontal_ = BST_CHECKED == btn_check_flip_horizontal_camera_.GetCheck();
                camera_layer_c0->conf_.is_flip_vertical_   = BST_CHECKED == btn_check_flip_vertical_camera_.GetCheck();
 
                // 这种叠加模式下不要旋转，否则变形厉害, 要么就定好一个角度，调整宽高，但不要动态旋转
                camera_layer_c0->conf_.rotate_degress_ = 0;
 
                layer_conf_wrappers_.push_back(camera_layer_c0);
 
                // 第1层是屏幕
                auto screen_layer_c1 = std::make_shared<nt_pb_sdk::ScreenLayerConfigWrapper>(index++, true,
                    0, 0, cap.width_ / 2, cap.height_/2);
 
                screen_layer_c1->conf_.reserve_ = nullptr;
                screen_layer_c1->conf_.clip_region_.x_ = 0;
                screen_layer_c1->conf_.clip_region_.y_ = 0;
                screen_layer_c1->conf_.clip_region_.width_ = cap.width_ / 2;
                screen_layer_c1->conf_.clip_region_.height_ = cap.height_ / 2;
 
                layer_conf_wrappers_.push_back(screen_layer_c1);
 
                SetLayersConfig();
 
                publisher_api_.SetFrameRate(publisher_handle_, cur_sel_camera_frame_rate_index_ + 1);
            }
        }
        else if (BST_CHECKED == btn_check_desktop_input_.GetCheck() && BST_CHECKED == btn_check_scale_desktop_.GetCheck())
        {
            int left = 0, top = 0, w = 0, h = 0, scale_w = 0, scale_h = 0;
 
            GetScreenScaleConfigInfo(left, top, w, h, scale_w, scale_h);
 
            auto index = 0;
 
            // 第0层填充RGBA矩形, 目的是保证帧率, 颜色就填充全黑
            auto rgba_layer_c0 = std::make_shared<nt_pb_sdk::RGBARectangleLayerConfigWrapper>(index++, true,
                0, 0, scale_w, scale_h);
 
            rgba_layer_c0->conf_.red_ = 0;
            rgba_layer_c0->conf_.green_ = 0;
            rgba_layer_c0->conf_.blue_ = 0;
            rgba_layer_c0->conf_.alpha_ = 255;
 
            layer_conf_wrappers_.push_back(rgba_layer_c0);
 
            // 第1层是屏幕
            auto screen_layer_c1 = std::make_shared<nt_pb_sdk::ScreenLayerConfigWrapperV2>(index++, true,
                0, 0, scale_w, scale_h);
 
            screen_layer_c1->conf_.reserve1_ = nullptr;
            screen_layer_c1->conf_.reserve2_ = 0;
            screen_layer_c1->conf_.clip_region_.x_ = left;
            screen_layer_c1->conf_.clip_region_.y_ = top;
            screen_layer_c1->conf_.clip_region_.width_ = w;
            screen_layer_c1->conf_.clip_region_.height_ = h;
 
            screen_layer_c1->conf_.scale_filter_mode_ = 3; // 屏幕缩放考虑到清晰度，这里用3，最高缩放质量
 
            layer_conf_wrappers_.push_back(screen_layer_c1);
 
            SetLayersConfig();
 
            publisher_api_.SetFrameRate(publisher_handle_, GetIntValueFromEdit(&edit_frame_rate_));
        }
        else if (BST_CHECKED == btn_check_desktop_input_.GetCheck() && BST_CHECKED != btn_check_scale_desktop_.GetCheck())
        {
            publisher_api_.SetScreenClip(publisher_handle_,
                GetIntValueFromEdit(&edit_clip_left_),
                GetIntValueFromEdit(&edit_clip_top_),
                GetIntValueFromEdit(&edit_clip_width_),
                GetIntValueFromEdit(&edit_clip_height_));
 
            publisher_api_.SetFrameRate(publisher_handle_, GetIntValueFromEdit(&edit_frame_rate_));
        }
        else if ( BST_CHECKED == btn_check_window_input_.GetCheck() )
        {
            if ( nullptr != cur_sel_capture_window_ )
            {
                publisher_api_.SetCaptureWindow(publisher_handle_, cur_sel_capture_window_);
 
                publisher_api_.SetFrameRate(publisher_handle_, GetIntValueFromEdit(&edit_frame_rate_));
 
                // 窗口层测试和演示代码++
 
                /*auto index = 0;
                auto rgba_layer_c0 = std::make_shared<nt_pb_sdk::RGBARectangleLayerConfigWrapper>(index++, true,
                    0, 0, 1280, 720);
                rgba_layer_c0->conf_.red_ = 0;
                rgba_layer_c0->conf_.green_ = 255;
                rgba_layer_c0->conf_.blue_ = 0;
                rgba_layer_c0->conf_.alpha_ = 255;
                layer_conf_wrappers_.push_back(rgba_layer_c0);
                auto window_layer_c1 = std::make_shared<nt_pb_sdk::WindowLayerConfigWrapper>(index++, true,
                    100, 100, 800, 600);
                window_layer_c1->conf_.window_ = cur_sel_capture_window_;
                layer_conf_wrappers_.push_back(window_layer_c1);
                
                SetLayersConfig();
                */
 
                // 窗口层测试和演示代码--
            }
        }
        else if (BST_CHECKED == btn_check_camera_input_.GetCheck())
        {
            if (CB_ERR != cur_sel_camera_index_
                && CB_ERR != cur_sel_camera_resolutions_index_
                && CB_ERR != cur_sel_camera_frame_rate_index_)
            {
                auto& camera = cameras_[cur_sel_camera_index_];
                auto& cap = camera.capabilities_[cur_sel_camera_resolutions_index_];
 
                publisher_api_.SetVideoCaptureDeviceBaseParameter(publisher_handle_,
                    camera.id_.c_str(), cap.width_, cap.height_);
 
                publisher_api_.SetFrameRate(publisher_handle_, cur_sel_camera_frame_rate_index_+ 1);
 
                publisher_api_.FlipVerticalCamera(publisher_handle_,
                    BST_CHECKED == btn_check_flip_vertical_camera_.GetCheck());
 
                publisher_api_.FlipHorizontalCamera(publisher_handle_, 
                    BST_CHECKED == btn_check_flip_horizontal_camera_.GetCheck());
 
                auto degress = GetCameraRotateDegress();
                publisher_api_.RotateCamera(publisher_handle_, degress);
            }
        }
 
        publisher_api_.EnableDXGIScreenCapturer(publisher_handle_, BST_CHECKED == btn_check_dxgi_screen_capturer_.GetCheck());
 
        publisher_api_.DisableAeroScreenCapturer(publisher_handle_, BST_CHECKED == btn_check_capturer_disable_aero_.GetCheck());
 
        publisher_api_.EnableScreenCaptureLayeredWindow(publisher_handle_, BST_CHECKED == check_capture_layered_window_.GetCheck()?1:0);
 
        publisher_api_.SetCaptureWindowWay(publisher_handle_, BST_CHECKED == btn_check_wr_way_capture_window_.GetCheck() ? 2 : 1);
 
        auto cur_video_codec_id = btn_check_h265_encoder_.GetCheck() != BST_CHECKED? NT_MEDIA_CODEC_ID_H264 : NT_MEDIA_CODEC_ID_H265;
 
        NT_INT32 cur_sel_encoder_id = 0;
        NT_INT32 cur_sel_gpu = 0;
 
        auto is_hw_encoder = btn_check_video_hardware_encoder_.GetCheck() == BST_CHECKED;
        if (is_hw_encoder)
        {
            auto cur_sel_hw = combobox_video_encoders_.GetCurSel();
            if (cur_sel_hw >=0 )
            {
                cur_sel_encoder_id = combobox_video_encoders_.GetItemData(cur_sel_hw);
                cur_sel_gpu = -1;
 
                auto cur_sel_hw_dev = combobox_video_hardware_encoder_devices_.GetCurSel();
                if (cur_sel_hw_dev >= 0)
                {
                    cur_sel_gpu = combobox_video_hardware_encoder_devices_.GetItemData(cur_sel_hw_dev);
                }
            }
            else
            {
                is_hw_encoder = false;
            }
        }
 
        if (!is_hw_encoder)
        {
            if (NT_MEDIA_CODEC_ID_H264 == cur_video_codec_id)
            {
                cur_sel_encoder_id = btn_check_openh264_encoder_.GetCheck() == BST_CHECKED ? 1 : 0;
            }
        }
 
        publisher_api_.SetVideoEncoder(publisher_handle_, is_hw_encoder? 1 : 0, cur_sel_encoder_id, cur_video_codec_id, cur_sel_gpu);
 
        if ( BST_CHECKED != btn_check_window_input_.GetCheck() )
        {
            publisher_api_.SetVideoBitRate(publisher_handle_, GetIntValueFromEdit(&edit_bit_rate_));
        }
        else
        {
            // 窗口的分辨率会变, 所以设置一组码率下去
            auto frame_rate = GetIntValueFromEdit(&edit_frame_rate_);
            SetBitrateGroup(publisher_handle_, frame_rate);
        }
 
        publisher_api_.SetVideoQualityV2(publisher_handle_, GetIntValueFromEdit(&edit_video_quality_));
 
        publisher_api_.SetVideoMaxBitRate(publisher_handle_, GetIntValueFromEdit(&edit_video_max_bitrate_));
 
        publisher_api_.SetVideoKeyFrameInterval(publisher_handle_, GetIntValueFromEdit(&edit_key_frame_));
 
        if (NT_MEDIA_CODEC_ID_H264 == cur_video_codec_id)
        {
            auto profile_sel = combox_h264_profile_.GetCurSel();
            if (profile_sel != CB_ERR)
            {
                publisher_api_.SetVideoEncoderProfile(publisher_handle_, profile_sel + 1);
            }
        }
 
        publisher_api_.SetVideoEncoderSpeed(publisher_handle_, GetIntValueFromEdit(&edit_video_encode_speed_));
 
        // 清除编码器所有的特定的参数
        publisher_api_.ClearVideoEncoderSpecialOptions(publisher_handle_);
 
        if (cur_sel_encoder_id == 1)
        {
            // qp_max 和 qp_min 当前只对openh264有效, 这里也就只在openh264使用的场景下设置配置值
            publisher_api_.SetVideoEncoderQPMax(publisher_handle_, GetIntValueFromEdit(&edit_qp_max_));
            publisher_api_.SetVideoEncoderQPMin(publisher_handle_, GetIntValueFromEdit(&edit_qp_min_));
 
            // openh264 配置特定参数
             publisher_api_.SetVideoEncoderSpecialInt32Option(publisher_handle_, "usage_type", btn_check_openh264_ppt_usage_type_.GetCheck() == BST_CHECKED ? 1 : 0);
             publisher_api_.SetVideoEncoderSpecialInt32Option(publisher_handle_, "rc_mode", btn_check_openh264_rc_bitrate_mode_.GetCheck() == BST_CHECKED ? 1 : 0);
             publisher_api_.SetVideoEncoderSpecialInt32Option(publisher_handle_, "enable_frame_skip", btn_check_openh264_frame_skip_.GetCheck() == BST_CHECKED ? 1 : 0);
        }
        else
        {
            publisher_api_.SetVideoEncoderQPMax(publisher_handle_, -1);
            publisher_api_.SetVideoEncoderQPMin(publisher_handle_, -1);
        }
    }
 
 
    // 音频相关设置
    if ( BST_CHECKED == btn_check_auido_mic_input_.GetCheck() )
    {
        auto count = combox_auido_input_devices_.GetCount();
        if (count != CB_ERR && count > 0)
        {
            auto cur_sel = combox_auido_input_devices_.GetCurSel();
            if (cur_sel != CB_ERR)
            {
                publisher_api_.SetAuidoInputDeviceId(publisher_handle_, cur_sel);
            }
        }
    }
 
    // 只采集扬声器时做静音补偿
    if ( BST_CHECKED != btn_check_auido_mic_input_.GetCheck()
        && BST_CHECKED == btn_check_auido_speaker_input_.GetCheck() )
    {
        publisher_api_.SetCaptureSpeakerCompensateMute(publisher_handle_, 1);
    }
 
    if ( BST_CHECKED == btn_check_speex_encoder_.GetCheck())
    {
        publisher_api_.SetPublisherAudioCodecType(publisher_handle_, 2);
 
        publisher_api_.SetPublisherSpeexEncoderQuality(publisher_handle_, GetIntValueFromEdit(&edit_speex_quality_));
    }
    else
    {
        publisher_api_.SetPublisherAudioCodecType(publisher_handle_, 1);
    }
 
    if ( BST_CHECKED == btn_check_auido_mic_input_.GetCheck()
        || BST_CHECKED == btn_check_auido_speaker_input_.GetCheck())
    {
        if (BST_CHECKED == btn_check_set_mute_.GetCheck())
        {
            publisher_api_.SetMute(publisher_handle_, 1);
        }
    }
 
    if ( BST_CHECKED == btn_check_echo_cancel_.GetCheck() )
    {
        publisher_api_.SetEchoCancellation(publisher_handle_, 1, GetIntValueFromEdit(&edit_echo_delay_));
    }
    else
    {
        publisher_api_.SetEchoCancellation(publisher_handle_, 0, 0);
    }
 
    if ( BST_CHECKED == btn_check_noise_suppression_.GetCheck() )
    {
        publisher_api_.SetNoiseSuppression(publisher_handle_, 1);
    }
    else
    {
        publisher_api_.SetNoiseSuppression(publisher_handle_, 0);
    }
 
    if ( BST_CHECKED == btn_check_agc_.GetCheck() )
    {
        publisher_api_.SetAGC(publisher_handle_, 1);
    }
    else
    {
        publisher_api_.SetAGC(publisher_handle_, 0);
    }
 
    if (BST_CHECKED == btn_check_vad_.GetCheck())
    {
        publisher_api_.SetVAD(publisher_handle_, 1);
    }
    else
    {
        publisher_api_.SetVAD(publisher_handle_, 0);
    }
 
    if (BST_CHECKED == btn_check_auido_mic_input_.GetCheck()
        && BST_CHECKED == btn_check_auido_speaker_input_.GetCheck())
    {
        publisher_api_.SetInputAudioVolume(publisher_handle_, 0, GetDoubleValueFromEdit(&edit_audio_input_volume_));
        publisher_api_.SetInputAudioVolume(publisher_handle_, 1, GetDoubleValueFromEdit(&edit_audio_speaker_input_volume_));
    }
    else if (BST_CHECKED == btn_check_auido_mic_input_.GetCheck())
    {
        publisher_api_.SetInputAudioVolume(publisher_handle_, 0, GetDoubleValueFromEdit(&edit_audio_input_volume_));
    }
    else if (BST_CHECKED == btn_check_auido_speaker_input_.GetCheck())
    {
        publisher_api_.SetInputAudioVolume(publisher_handle_, 0, GetDoubleValueFromEdit(&edit_audio_speaker_input_volume_));
    }
}

    publisher_api_.SetVideoPreviewImageCallBack(publisher_handle_, NT_PB_E_IMAGE_FORMAT_RGB32, GetSafeHwnd(), &NT_PB_SDKVideoPreviewImageHandle);

void CSmartPublisherDemoDlg::OnBnClickedButtonStartPreview()
{
    if ( BST_CHECKED == btn_check_window_input_.GetCheck() )
    {
        if (nullptr == cur_sel_capture_window_)
        {
            AfxMessageBox(_T("请先下拉选择采集窗口"));
            return;
        }
    }
 
    if ( publisher_handle_ == NULL )
    {
        if (!OpenPublisherHandle())
        {
            return;
        }
    }
 
    if ( publisher_handle_count_ < 1 )
    {
        SetCommonOptionToPublisherSDK();
    }
 
    ASSERT(publisher_handle_ != NULL);
 
    publisher_api_.SetVideoPreviewImageCallBack(publisher_handle_, NT_PB_E_IMAGE_FORMAT_RGB32, GetSafeHwnd(), &NT_PB_SDKVideoPreviewImageHandle);
    
    if (NT_ERC_OK != publisher_api_.StartPreview(publisher_handle_, 0, NULL))
    {
        if ( 0 == publisher_handle_count_ )
        {
            publisher_api_.Close(publisher_handle_);
            publisher_handle_ = NULL;
        }
 
        AfxMessageBox(_T("预览失败, 请确保选择了视频采集选项"));
        return;
    }
 
    publisher_handle_count_++;
 
    btn_preview_.EnableWindow(FALSE);
    btn_stop_preview_.EnableWindow(TRUE);
 
    if ( 1 == publisher_handle_count_ )
    {
        if (BST_CHECKED == btn_check_desktop_input_.GetCheck())
        {
            btn_choose_screen_region_.SetWindowTextW(L"移动屏幕区域");
        }
 
        btn_check_dxgi_screen_capturer_.EnableWindow(FALSE);
        check_capture_layered_window_.EnableWindow(FALSE);
 
        btn_check_wr_way_capture_window_.EnableWindow(FALSE);
 
        btn_check_desktop_camera_switch_.EnableWindow(FALSE);
        btn_check_camera_overlay_to_desktop_.EnableWindow(FALSE);
        btn_check_desktop_overlay_to_camera_.EnableWindow(FALSE);
 
        btn_add_image_watermark_.EnableWindow(FALSE);
 
        if (BST_CHECKED == btn_check_desktop_camera_switch_.GetCheck()
            || BST_CHECKED == btn_check_camera_overlay_to_desktop_.GetCheck()
            || BST_CHECKED == btn_check_desktop_overlay_to_camera_.GetCheck())
        {
 
        }
        else
        {
            btn_check_desktop_input_.EnableWindow(FALSE);
            btn_check_scale_desktop_.EnableWindow(FALSE);
            edit_desktop_scale_.EnableWindow(FALSE);
 
            btn_check_camera_input_.EnableWindow(FALSE);
            btn_check_window_input_.EnableWindow(FALSE);
        }
 
        DisableAuidoInputControl();
    }
 
    CreatePreViewWindow();
    ShowPreViewWindow(true);
}

extern "C"  NT_VOID NT_CALLBACK NT_PB_SDKVideoPreviewImageHandle(NT_HANDLE handle, NT_PVOID user_data,
    const NT_PB_Image* image)
{
    if ( image != nullptr && image->format_ == NT_PB_E_IMAGE_FORMAT_RGB32
        && image->width_ > 0 && image->height_ > 0
        && image->plane_[0] != nullptr
        && image->stride_[0] > 0
        )
    {
        std::unique_ptr<nt_pb_rgbx_image> rgbx_image(new nt_pb_rgbx_image());
 
        rgbx_image->width_  = image->width_;
        rgbx_image->height_ = image->height_;
        rgbx_image->stride_ = image->stride_[0];
        rgbx_image->size_   = image->stride_[0] * image->height_;
 
        rgbx_image->data_.reset(new NT_BYTE[rgbx_image->size_]);
 
        if ( rgbx_image->data_ )
        {
            memcpy(rgbx_image->data_.get(), image->plane_[0], rgbx_image->size_);
 
            HWND hwnd = reinterpret_cast<HWND>(user_data);
            if (hwnd != NULL && ::IsWindow(hwnd))
            {
                ::PostMessage(hwnd, WM_USER_PB_SDK_PREVIEW_RGBX_IMAGE, (WPARAM)(rgbx_image.release()), 0);
            }
        }
    }
 
    /*std::ostringstream ss;
    ss << "OnPreviewImage handle:" << handle << " w=" << image->width_
    << " h=" << image->height_
    << " format=" << image->format_ << " \r\n";
    OutputDebugStringA(ss.str().c_str());*/
}

LRESULT CSmartPublisherDemoDlg::OnSDKPreviewRGBXImage(WPARAM wParam, LPARAM lParam)
{
    nt_pb_rgbx_image* rgbx_image = (nt_pb_rgbx_image*)(wParam);
 
    if ( rgbx_image != nullptr )
    {
        std::shared_ptr<nt_pb_rgbx_image> sp_rgbx_image(rgbx_image);
 
        preview_wnd_.OnRGBXImage(sp_rgbx_image);
    }
 
    return S_OK;
}

void nt_pb_ui_preview_wnd::OnRGBXImage(const std::shared_ptr<nt_pb_rgbx_image>& sp_image)
{
    rgbx_image_ = sp_image;
 
    if (m_hWnd != NULL && ::IsWindow(m_hWnd) && ::IsWindowVisible(m_hWnd))
    {
        InvalidateRect(NULL, FALSE);
    }
}

void nt_pb_ui_preview_wnd::OnPaint()
{
    CPaintDC dc(this); // device context for painting
    // TODO: Add your message handler code here
    // Do not call CWnd::OnPaint() for painting messages
 
    if ( IsIconic() )
    {
        return;
    }
 
    CRect rc_client(0, 0, 0, 0);
    GetClientRect(rc_client);
 
    if ( rc_client.IsRectNull()
        || rc_client.IsRectEmpty() )
    {
        return;
    }
 
    auto mem_dc = ::CreateCompatibleDC(dc.GetSafeHdc());
    auto mem_bitmap = ::CreateCompatibleBitmap(dc.GetSafeHdc(), rc_client.Width(), rc_client.Height());
    ::SelectObject(mem_dc, mem_bitmap);
 
    HBRUSH brush = ::CreateSolidBrush(RGB(238, 243, 250));
    ::FillRect(mem_dc, &rc_client, brush);
    ::DeleteObject(brush);
 
    DrawImage(mem_dc, rc_client);
 
    ::BitBlt(dc.GetSafeHdc(),
        0, 0,
        rc_client.Width(), rc_client.Height(),
        mem_dc,
        0, 0,
        SRCCOPY);
 
    ::DeleteObject(mem_bitmap);
 
    ::DeleteDC(mem_dc);
}

void nt_pb_ui_preview_wnd::DrawImage(HDC hdc, const CRect& rc_client)
{
    ASSERT(hdc != NULL);
    ASSERT(!rc_client.IsRectNull());
    ASSERT(!rc_client.IsRectEmpty());
 
    if ( !rgbx_image_ )
        return;
 
    if (rc_client.Width() < 100 || rc_client.Height() < 100)
        return;
 
    if (draw_api_ == nullptr)
        return;
 
    NT_PB_Image image;
 
    memset(&image, 0, sizeof(image));
    
    image.cb_size_ = sizeof(image);
    image.format_  = NT_PB_E_IMAGE_FORMAT_RGB32;
    image.width_   = rgbx_image_->width_;
    image.height_  = rgbx_image_->height_;
    image.timestamp_ = 0;
 
    image.plane_[0]      = rgbx_image_->data_.get();
    image.stride_[0]     = rgbx_image_->stride_;
    image.plane_size_[0] = rgbx_image_->size_;
 
    auto limit_w = rc_client.Width() - 8;
    auto limit_h = rc_client.Height() - 8;
 
    auto  d_w = 0, d_h = 0;
 
    if ( rgbx_image_->width_ <= limit_w && rgbx_image_->height_ <= limit_h )
    {
        d_w = rgbx_image_->width_;
        d_h = rgbx_image_->height_;
    }
    else
    {
        CalScaleSize(limit_w, limit_h, rgbx_image_->width_, rgbx_image_->height_, d_w, d_h);
    }
 
    if ( d_w > 0 && d_h > 0 )
    {
        auto d_x = rc_client.Width()/2 - d_w/2;
        auto d_y = rc_client.Height()/2 - d_h/2;
       
        draw_api_->Draw(hdc, d_x, d_y,
            d_w, d_h,
            0, 0,
            rgbx_image_->width_, rgbx_image_->height_,
            &image);
    }
}

void CSmartPublisherDemoDlg::OnBnClickedButtonStopPreview()
{
    publisher_handle_count_--;
    publisher_api_.StopPreview(publisher_handle_);
 
    if (0 == publisher_handle_count_)
    {
        publisher_api_.Close(publisher_handle_);
        publisher_handle_ = NULL;
    }
 
    btn_preview_.EnableWindow(TRUE);
    btn_stop_preview_.EnableWindow(FALSE);
 
    if (0 == publisher_handle_count_)
    {
        if (BST_CHECKED == btn_check_desktop_input_.GetCheck())
        {
            btn_choose_screen_region_.SetWindowTextW(L"选择屏幕区域");
        }
 
        btn_check_dxgi_screen_capturer_.EnableWindow(TRUE);
        check_capture_layered_window_.EnableWindow(TRUE);
 
        btn_check_wr_way_capture_window_.EnableWindow(TRUE);
 
        btn_desktop_camera_switch_.SetWindowTextW(L"切换到摄像头");
        btn_disable_image_watermark_.SetWindowTextW(L"停止水印");
        btn_disable_camera_overlay_.SetWindowTextW(L"停止叠加摄像头");
        btn_disable_desktop_overlay_.SetWindowTextW(L"停止叠加屏幕");
 
        btn_check_desktop_camera_switch_.EnableWindow(TRUE);
        btn_check_camera_overlay_to_desktop_.EnableWindow(TRUE);
        btn_check_desktop_overlay_to_camera_.EnableWindow(TRUE);
 
        btn_add_image_watermark_.EnableWindow(TRUE);
 
        if (BST_CHECKED == btn_check_desktop_camera_switch_.GetCheck()
            || BST_CHECKED == btn_check_camera_overlay_to_desktop_.GetCheck()
            || BST_CHECKED == btn_check_desktop_overlay_to_camera_.GetCheck())
        {
 
        }
        else
        {
            btn_check_desktop_input_.EnableWindow(TRUE);
            btn_check_scale_desktop_.EnableWindow(TRUE);
            edit_desktop_scale_.EnableWindow(TRUE);
 
            btn_check_camera_input_.EnableWindow(TRUE);
            btn_check_window_input_.EnableWindow(TRUE);
        }
 
        EnableAuidoInputControl();
    }
 
    ShowPreViewWindow(false);
}