package com.xiaoxuan.demo.tv.widget;
import java.lang.ref.WeakReference;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.SurfaceTexture;
import android.os.Build;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.TextureView;
import android.view.View;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import com.xiaoxuan.demo.tv.widget.view.IRenderView;
import tv.danmaku.ijk.media.player.IMediaPlayer;
import tv.danmaku.ijk.media.player.ISurfaceTextureHolder;
import tv.danmaku.ijk.media.player.ISurfaceTextureHost;
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public class TextureRenderView extends TextureView implements IRenderView
{
private static final String TAG = "TextureRenderView";
private MeasureHelper mMeasureHelper;
public TextureRenderView(Context context)
{
super(context);
initView(context);
}
public TextureRenderView(Context context, AttributeSet attrs)
{
super(context, attrs);
initView(context);
}
public TextureRenderView(Context context, AttributeSet attrs, int defStyleAttr)
{
super(context, attrs, defStyleAttr);
initView(context);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public TextureRenderView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)
{
super(context, attrs, defStyleAttr, defStyleRes);
initView(context);
}
private void initView(Context context)
{
mMeasureHelper = new MeasureHelper(this);
mSurfaceCallback = new SurfaceCallback(this);
setSurfaceTextureListener(mSurfaceCallback);
}
@Override
public View getView()
{
return this;
}
@Override
public boolean shouldWaitForResize()
{
return false;
}
@Override
protected void onDetachedFromWindow()
{
mSurfaceCallback.willDetachFromWindow();
super.onDetachedFromWindow();
mSurfaceCallback.didDetachFromWindow();
}
// --------------------
// Layout & Measure
// --------------------
@Override
public void setVideoSize(int videoWidth, int videoHeight)
{
if (videoWidth > 0 && videoHeight > 0)
{
mMeasureHelper.setVideoSize(videoWidth, videoHeight);
requestLayout();
}
}
@Override
public void setVideoSampleAspectRatio(int videoSarNum, int videoSarDen)
{
if (videoSarNum > 0 && videoSarDen > 0)
{
mMeasureHelper.setVideoSampleAspectRatio(videoSarNum, videoSarDen);
requestLayout();
}
}
@Override
public void setVideoRotation(int degree)
{
mMeasureHelper.setVideoRotation(degree);
setRotation(degree);
}
@Override
public void setAspectRatio(int aspectRatio)
{
mMeasureHelper.setAspectRatio(aspectRatio);
requestLayout();
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
mMeasureHelper.doMeasure(widthMeasureSpec, heightMeasureSpec);
setMeasuredDimension(mMeasureHelper.getMeasuredWidth(), mMeasureHelper.getMeasuredHeight());
}
// --------------------
// TextureViewHolder
// --------------------
public IRenderView.ISurfaceHolder getSurfaceHolder()
{
return new InternalSurfaceHolder(this, mSurfaceCallback.mSurfaceTexture, mSurfaceCallback);
}
private static final class InternalSurfaceHolder implements IRenderView.ISurfaceHolder
{
private TextureRenderView mTextureView;
private SurfaceTexture mSurfaceTexture;
private ISurfaceTextureHost mSurfaceTextureHost;
public InternalSurfaceHolder(TextureRenderView textureView, SurfaceTexture surfaceTexture,
ISurfaceTextureHost surfaceTextureHost)
{
mTextureView = textureView;
mSurfaceTexture = surfaceTexture;
mSurfaceTextureHost = surfaceTextureHost;
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public void bindToMediaPlayer(IMediaPlayer mp)
{
if (mp == null)
return;
if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) && (mp instanceof ISurfaceTextureHolder))
{
ISurfaceTextureHolder textureHolder = (ISurfaceTextureHolder)mp;
mTextureView.mSurfaceCallback.setOwnSurfaceTexture(false);
SurfaceTexture surfaceTexture = textureHolder.getSurfaceTexture();
if (surfaceTexture != null)
{
mTextureView.setSurfaceTexture(surfaceTexture);
}
else
{
textureHolder.setSurfaceTexture(mSurfaceTexture);
textureHolder.setSurfaceTextureHost(mTextureView.mSurfaceCallback);
}
}
else
{
mp.setSurface(openSurface());
}
}
@Override
public IRenderView getRenderView()
{
return mTextureView;
}
@Override
public SurfaceHolder getSurfaceHolder()
{
return null;
}
@Override
public SurfaceTexture getSurfaceTexture()
{
return mSurfaceTexture;
}
@Override
public Surface openSurface()
{
if (mSurfaceTexture == null)
return null;
return new Surface(mSurfaceTexture);
}
}
// -------------------------
// SurfaceHolder.Callback
// -------------------------
@Override
public void addRenderCallback(IRenderCallback callback)
{
mSurfaceCallback.addRenderCallback(callback);
}
@Override
public void removeRenderCallback(IRenderCallback callback)
{
mSurfaceCallback.removeRenderCallback(callback);
}
private SurfaceCallback mSurfaceCallback;
private static final class SurfaceCallback implements SurfaceTextureListener, ISurfaceTextureHost
{
private SurfaceTexture mSurfaceTexture;
private boolean mIsFormatChanged;
private int mWidth;
private int mHeight;
private boolean mOwnSurfaceTexture = true;
private boolean mWillDetachFromWindow = false;
private boolean mDidDetachFromWindow = false;
private WeakReference<TextureRenderView> mWeakRenderView;
private Map<IRenderCallback, Object> mRenderCallbackMap = new ConcurrentHashMap<IRenderCallback, Object>();
public SurfaceCallback(TextureRenderView renderView)
{
mWeakRenderView = new WeakReference<TextureRenderView>(renderView);
}
public void setOwnSurfaceTexture(boolean ownSurfaceTexture)
{
mOwnSurfaceTexture = ownSurfaceTexture;
}
public void addRenderCallback(IRenderCallback callback)
{
mRenderCallbackMap.put(callback, callback);
ISurfaceHolder surfaceHolder = null;
if (mSurfaceTexture != null)
{
if (surfaceHolder == null)
surfaceHolder = new InternalSurfaceHolder(mWeakRenderView.get(), mSurfaceTexture, this);
callback.onSurfaceCreated(surfaceHolder, mWidth, mHeight);
}
if (mIsFormatChanged)
{
if (surfaceHolder == null)
surfaceHolder = new InternalSurfaceHolder(mWeakRenderView.get(), mSurfaceTexture, this);
callback.onSurfaceChanged(surfaceHolder, 0, mWidth, mHeight);
}
}
public void removeRenderCallback(IRenderCallback callback)
{
mRenderCallbackMap.remove(callback);
}
@Override
public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height)
{
mSurfaceTexture = surface;
mIsFormatChanged = false;
mWidth = 0;
mHeight = 0;
ISurfaceHolder surfaceHolder = new InternalSurfaceHolder(mWeakRenderView.get(), surface, this);
for (IRenderCallback renderCallback : mRenderCallbackMap.keySet())
{
renderCallback.onSurfaceCreated(surfaceHolder, 0, 0);
}
}
@Override
public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height)
{
mSurfaceTexture = surface;
mIsFormatChanged = true;
mWidth = width;
mHeight = height;
ISurfaceHolder surfaceHolder = new InternalSurfaceHolder(mWeakRenderView.get(), surface, this);
for (IRenderCallback renderCallback : mRenderCallbackMap.keySet())
{
renderCallback.onSurfaceChanged(surfaceHolder, 0, width, height);
}
}
@Override
public boolean onSurfaceTextureDestroyed(SurfaceTexture surface)
{
mSurfaceTexture = surface;
mIsFormatChanged = false;
mWidth = 0;
mHeight = 0;
ISurfaceHolder surfaceHolder = new InternalSurfaceHolder(mWeakRenderView.get(), surface, this);
for (IRenderCallback renderCallback : mRenderCallbackMap.keySet())
{
renderCallback.onSurfaceDestroyed(surfaceHolder);
}
Log.d(TAG, "onSurfaceTextureDestroyed: destroy: " + mOwnSurfaceTexture);
return mOwnSurfaceTexture;
}
@Override
public void onSurfaceTextureUpdated(SurfaceTexture surface)
{
}
// -------------------------
// ISurfaceTextureHost
// -------------------------
@Override
public void releaseSurfaceTexture(SurfaceTexture surfaceTexture)
{
if (surfaceTexture == null)
{
Log.d(TAG, "releaseSurfaceTexture: null");
}
else if (mDidDetachFromWindow)
{
if (surfaceTexture != mSurfaceTexture)
{
Log.d(TAG, "releaseSurfaceTexture: didDetachFromWindow(): release different SurfaceTexture");
surfaceTexture.release();
}
else if (!mOwnSurfaceTexture)
{
Log.d(TAG, "releaseSurfaceTexture: didDetachFromWindow(): release detached SurfaceTexture");
surfaceTexture.release();
}
else
{
Log.d(TAG, "releaseSurfaceTexture: didDetachFromWindow(): already released by TextureView");
}
}
else if (mWillDetachFromWindow)
{
if (surfaceTexture != mSurfaceTexture)
{
Log.d(TAG, "releaseSurfaceTexture: willDetachFromWindow(): release different SurfaceTexture");
surfaceTexture.release();
}
else if (!mOwnSurfaceTexture)
{
Log.d(TAG,
"releaseSurfaceTexture: willDetachFromWindow(): re-attach SurfaceTexture to TextureView");
setOwnSurfaceTexture(true);
}
else
{
Log.d(TAG, "releaseSurfaceTexture: willDetachFromWindow(): will released by TextureView");
}
}
else
{
if (surfaceTexture != mSurfaceTexture)
{
Log.d(TAG, "releaseSurfaceTexture: alive: release different SurfaceTexture");
surfaceTexture.release();
}
else if (!mOwnSurfaceTexture)
{
Log.d(TAG, "releaseSurfaceTexture: alive: re-attach SurfaceTexture to TextureView");
setOwnSurfaceTexture(true);
}
else
{
Log.d(TAG, "releaseSurfaceTexture: alive: will released by TextureView");
}
}
}
public void willDetachFromWindow()
{
Log.d(TAG, "willDetachFromWindow()");
mWillDetachFromWindow = true;
}
public void didDetachFromWindow()
{
Log.d(TAG, "didDetachFromWindow()");
mDidDetachFromWindow = true;
}
}
// --------------------
// Accessibility
// --------------------
@Override
public void onInitializeAccessibilityEvent(AccessibilityEvent event)
{
super.onInitializeAccessibilityEvent(event);
event.setClassName(TextureRenderView.class.getName());
}
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)
{
super.onInitializeAccessibilityNodeInfo(info);
info.setClassName(TextureRenderView.class.getName());
}
}
