/**
*请求开始接受UVC机器的影像
*通常通过StartPreview（string deviceName）调用
* @param deviceName UVC機器識別文字列
* @param width
* @param height
*/
private void StartPreview(string deviceName, int width, int height)
{
AndroidDebug.Logd(TAG, "请求开始接受UVC机器的影像:" + deviceName + "-" + width + "-" + height);
var info = Get(deviceName);
if (info != null)
{ //连接时
var supportedVideoSize = GetSupportedVideoSize(deviceName);
if (supportedVideoSize == null)
{
AndroidDebug.Logd(TAG, "连接时:fauled to get supported video size");
throw new ArgumentException("fauled to get supported video size");
}
//对应分辨率的检查
if (supportedVideoSize.Find(width, height /*,minFps=0.1f, maxFps=121.0f*/) == null)
{ //不支持指定的分辨率
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}StartPreview:{width}x{height} is NOT supported.");
Console.WriteLine($"{TAG}Info={GetDevice(deviceName)}");
Console.WriteLine($"{TAG}supportedVideoSize={supportedVideoSize}");
#endif
AndroidDebug.Logd(TAG, "不支持指定的分辨率");
throw new ArgumentOutOfRangeException($"{width}x{height} is NOT supported.");
}
if (info.IsOpen && !info.IsPreviewing)
{ //被open，但未取得影像时
info.SetSize(width, height);
info.previewTexture = new Texture2D(
width, height,
TextureFormat.ARGB32,
false, /* mipmap */
true /* linear */);
var nativeTexPtr = info.previewTexture.GetNativeTexturePtr();
AndroidDebug.Logd(TAG, "被open，但未取得影像时:" + nativeTexPtr);
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
clazz.CallStatic("setPreviewTexture",
AndroidUtils.GetCurrentActivity(), deviceName,
nativeTexPtr.ToInt32(),
-1, //PreviewMode，-1：自动选择（Open时指定的PreferH 264标志有效）
width, height);
}
StartCoroutine(info.OnRender());
}
}
else
{
AndroidDebug.Logd(TAG, "StartPreview：device name is empty/null");
throw new ArgumentException("device name is empty/null");
}
}
/**
*要求结束从UVC机器接收影像
* @param deviceName UVC设备识别字符串
*/
private void RequestStopPreview(string deviceName)
{
AndroidDebug.Logd(TAG, "要求结束从UVC机器接收影像：" + deviceName);
if (!String.IsNullOrEmpty(deviceName))
{
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
clazz.CallStatic("stopPreview",
AndroidUtils.GetCurrentActivity(), deviceName);
}
}
}
/**
* UVC機器からの映像受け取り開始要求をする
* 通常はStartPreview(string deviceName)経由で呼び出す
* @param deviceName UVC機器識別文字列
* @param width
* @param height
*/
private void StartPreview(string deviceName, int width, int height)
{
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}StartPreview:{deviceName}({width}x{height})");
#endif
var info = Get(deviceName);
if (info != null)
{ // 接続されているとき
var supportedVideoSize = GetSupportedVideoSize(deviceName);
if (supportedVideoSize == null)
{
throw new ArgumentException("fauled to get supported video size");
}
// 対応解像度のチェック
if (supportedVideoSize.Find(width, height /*,minFps=0.1f, maxFps=121.0f*/) == null)
{ // 指定した解像度に対応していない
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}StartPreview:{width}x{height} is NOT supported.");
Console.WriteLine($"{TAG}Info={GetDevice(deviceName)}");
Console.WriteLine($"{TAG}supportedVideoSize={supportedVideoSize}");
#endif
throw new ArgumentOutOfRangeException($"{width}x{height} is NOT supported.");
}
if (info.IsOpen && !info.IsPreviewing)
{ // openされているけど映像取得中ではないとき
info.SetSize(width, height);
info.previewTexture = new Texture2D(
width, height,
TextureFormat.ARGB32,
false, /* mipmap */
true /* linear */);
var nativeTexPtr = info.previewTexture.GetNativeTexturePtr();
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}RequestStartPreview:tex={nativeTexPtr}");
#endif
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
clazz.CallStatic("setPreviewTexture",
AndroidUtils.GetCurrentActivity(), deviceName,
nativeTexPtr.ToInt32(),
-1, // PreviewMode, -1:自動選択(Open時に指定したPreferH264フラグが有効になる)
width, height);
}
StartCoroutine(info.OnRender());
}
}
else
{
throw new ArgumentException("device name is empty/null");
}
}
/**
* UVC機器からの映像受けとりを終了要求をする
* @param deviceName UVC機器識別文字列
*/
private void RequestStopPreview(string deviceName)
{
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}RequestStopPreviewUVC:{deviceName}");
#endif
if (!String.IsNullOrEmpty(deviceName))
{
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
clazz.CallStatic("stopPreview",
AndroidUtils.GetCurrentActivity(), deviceName);
}
}
}
/**
* 指定したUSB機器をアクセスするパーミッションを持っているかどうかを取得
* @param deviceName UVC機器識別文字列
*/
private bool HasUsbPermission(string deviceName)
{
if (!String.IsNullOrEmpty(deviceName))
{
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
return(clazz.CallStatic <bool>("hasPermission",
AndroidUtils.GetCurrentActivity(), deviceName));
}
}
else
{
return(false);
}
}
/**
*获取指定的UVC设备的对应分辨率
*@param deviceName UVC设备识别字符串
*/
private SupportedFormats GetSupportedVideoSize(string deviceName)
{
AndroidDebug.Logd(TAG, "获取指定的UVC设备的对应分辨率：" + deviceName);
if (!String.IsNullOrEmpty(deviceName))
{
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
return(SupportedFormats.Parse(
clazz.CallStatic <string>("getSupportedVideoSize",
AndroidUtils.GetCurrentActivity(), deviceName)));
}
}
else
{
throw new ArgumentException("device name is empty/null");
}
}
/**
* プラグインを初期化
* uvc-plugin-unityへの処理要求
*/
private void InitPlugin()
{
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}InitPlugin:");
#endif
// IUVCDrawersが割り当てられているかどうかをチェック
var hasDrawer = false;
if ((UVCDrawers != null) && (UVCDrawers.Length > 0))
{
foreach (var drawer in UVCDrawers)
{
if (drawer is IUVCDrawer)
{
hasDrawer = true;
break;
}
}
}
if (!hasDrawer)
{ // インスペクタでIUVCDrawerが設定されていないときは
// このスクリプトがaddされているゲームオブジェクトからの取得を試みる
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}InitPlugin:has no IUVCDrawer, try to get from gameObject");
#endif
var drawers = GetComponents(typeof(IUVCDrawer));
if ((drawers != null) && (drawers.Length > 0))
{
UVCDrawers = new Component[drawers.Length];
int i = 0;
foreach (var drawer in drawers)
{
UVCDrawers[i++] = drawer;
}
}
}
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}InitPlugin:num drawers={UVCDrawers.Length}");
#endif
// aandusbのDeviceDetectorを読み込み要求
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_DETECTOR))
{
clazz.CallStatic("initUVCDeviceDetector",
AndroidUtils.GetCurrentActivity());
}
}
/**
* 获取指定的UVC设备的信息（现在是vid和pid）作为UVC设备
* @param deviceName UVC设备识别字符串
*/
private UVCDevice GetDevice(string deviceName)
{
AndroidDebug.Logd(TAG, "获取指定的UVC设备的信息1：" + deviceName);
if (!String.IsNullOrEmpty(deviceName))
{
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
AndroidDebug.Logd(TAG, "获取指定的UVC设备的信息2：" + AndroidUtils.GetCurrentActivity());
AndroidDebug.Logd(TAG, "获取指定的UVC设备的信息2：" + clazz.CallStatic <string>("getInfo", AndroidUtils.GetCurrentActivity(), deviceName));
return(UVCDevice.Parse(deviceName,
clazz.CallStatic <string>("getInfo",
AndroidUtils.GetCurrentActivity(), deviceName)));
}
}
else
{
throw new ArgumentException("device name is empty/null");
}
}
/**
* 对指定的UVC设备进行close
* @param deviceName UVC设备识别字符串
*/
private void Close(string deviceName)
{
AndroidDebug.Logd(TAG, "对指定的UVC设备进行close:" + deviceName);
var info = Get(deviceName);
if ((info != null) && (info.activeCameraId != 0))
{
info.SetSize(0, 0);
info.activeCameraId = 0;
info.previewTexture = null;
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
clazz.CallStatic("closeDevice",
AndroidUtils.GetCurrentActivity(), deviceName);
}
}
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}Close:finished");
#endif
}
/**
* 启动指定的UVC机器
* @param deviceName UVC设备识别字符串
*/
private void Open(string deviceName)
{
AndroidDebug.Logd(TAG, "USB设备访问权限要求:" + deviceName);
var info = Get(deviceName);
if (info != null)
{
AndroidUtils.isPermissionRequesting = false;
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
info.activeCameraId = clazz.CallStatic <Int32>("openDevice",
AndroidUtils.GetCurrentActivity(), deviceName,
DefaultWidth, DefaultHeight, PreferH264);
}
}
else
{
throw new ArgumentException("device name is empty/null");
}
}
/**
* 指定したUVC機器の対応解像度を取得する
* @param deviceName UVC機器識別文字列
*/
private SupportedFormats GetSupportedVideoSize(string deviceName)
{
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}GetSupportedVideoSize:{deviceName}");
#endif
if (!String.IsNullOrEmpty(deviceName))
{
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
return(SupportedFormats.Parse(
clazz.CallStatic <string>("getSupportedVideoSize",
AndroidUtils.GetCurrentActivity(), deviceName)));
}
}
else
{
throw new ArgumentException("device name is empty/null");
}
}
/**
* USB设备访问权限要求
* @param deviceName UVC设备识别字符串
*/
private void RequestUsbPermission(string deviceName)
{
AndroidDebug.Logd(TAG, "USB设备访问权限要求:" + deviceName);
if (!String.IsNullOrEmpty(deviceName))
{
AndroidUtils.isPermissionRequesting = true;
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
clazz.CallStatic("requestPermission",
AndroidUtils.GetCurrentActivity(), deviceName);
}
}
else
{
throw new ArgumentException("device name is empty/null");
}
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}RequestUsbPermission[{Time.frameCount}]:finsihed");
#endif
}
/**
* 指定したUVC機器をopenする
* @param deviceName UVC機器識別文字列
*/
private void Open(string deviceName)
{
#if (!NDEBUG && DEBUG && ENABLE_LOG)
Console.WriteLine($"{TAG}Open:{deviceName}");
#endif
var info = Get(deviceName);
if (info != null)
{
AndroidUtils.isPermissionRequesting = false;
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
info.activeCameraId = clazz.CallStatic <Int32>("openDevice",
AndroidUtils.GetCurrentActivity(), deviceName,
DefaultWidth, DefaultHeight, PreferH264);
}
}
else
{
throw new ArgumentException("device name is empty/null");
}
}
//对Uvc-Plugin-unity的处理要求
/**
*初始化插件
*/
private void InitPlugin()
{
AndroidDebug.Logd(TAG, "InitPlugin:");
//确认是否分配了IUVC Drawers
var hasDrawer = false;
if ((UVCDrawers != null) && (UVCDrawers.Length > 0))
{
foreach (var drawer in UVCDrawers)
{
if (drawer is IUVCDrawer)
{
hasDrawer = true;
break;
}
}
}
if (!hasDrawer)
{ // 在检查器中未设定IUVCD服务器时
//试图从已加载了该脚本的游戏对象中获取
AndroidDebug.Logd(TAG, "InitPlugin:has no IUVCDrawer, try to get from gameObject");
var drawers = GetComponents(typeof(IUVCDrawer));
if ((drawers != null) && (drawers.Length > 0))
{
UVCDrawers = new Component[drawers.Length];
int i = 0;
foreach (var drawer in drawers)
{
UVCDrawers[i++] = drawer;
}
}
}
using (AndroidJavaClass clazz = new AndroidJavaClass(FQCN_PLUGIN))
{
clazz.CallStatic("initDeviceDetector",
AndroidUtils.GetCurrentActivity(), gameObject.name);
}
}