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104 changes: 104 additions & 0 deletions
104
nicevideoplayer/src/main/java/com/xiao/nicevideoplayer/NiceTextureView.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| package com.xiao.nicevideoplayer; | ||
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| import android.content.Context; | ||
| import android.view.TextureView; | ||
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| /** | ||
| * Created by XiaoJianjun on 2017/6/21. | ||
| * 重写TextureView， | ||
| */ | ||
| public class NiceTextureView extends TextureView { | ||
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| private int videoHeight; | ||
| private int videoWidth; | ||
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| public NiceTextureView(Context context) { | ||
| super(context); | ||
| } | ||
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| public void resetVideoSize(int videoWidth, int videoHeight) { | ||
| if (this.videoWidth != videoWidth && this.videoHeight != videoHeight) { | ||
| this.videoWidth = videoWidth; | ||
| this.videoHeight = videoHeight; | ||
| requestLayout(); | ||
| } | ||
| } | ||
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| @Override | ||
| public void setRotation(float rotation) { | ||
| if (rotation != getRotation()) { | ||
| super.setRotation(rotation); | ||
| requestLayout(); | ||
| } | ||
| } | ||
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| @Override | ||
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { | ||
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| float viewRotation = getRotation(); | ||
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| // 如果判断成立，则说明显示的TextureView和本身的位置是有90度的旋转的，所以需要交换宽高参数。 | ||
| if (viewRotation == 90 || viewRotation == 270) { | ||
| int tempMeasureSpec = widthMeasureSpec; | ||
| widthMeasureSpec = heightMeasureSpec; | ||
| heightMeasureSpec = tempMeasureSpec; | ||
| } | ||
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| int width = getDefaultSize(videoWidth, widthMeasureSpec); | ||
| int height = getDefaultSize(videoHeight, heightMeasureSpec); | ||
| if (videoWidth > 0 && videoHeight > 0) { | ||
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| int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); | ||
| int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); | ||
| int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); | ||
| int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); | ||
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| if (widthSpecMode == MeasureSpec.EXACTLY && heightSpecMode == MeasureSpec.EXACTLY) { | ||
| // the size is fixed | ||
| width = widthSpecSize; | ||
| height = heightSpecSize; | ||
| // for compatibility, we adjust size based on aspect ratio | ||
| if (videoWidth * height < width * videoHeight) { | ||
| width = height * videoWidth / videoHeight; | ||
| } else if (videoWidth * height > width * videoHeight) { | ||
| height = width * videoHeight / videoWidth; | ||
| } | ||
| } else if (widthSpecMode == MeasureSpec.EXACTLY) { | ||
| // only the width is fixed, adjust the height to match aspect ratio if possible | ||
| width = widthSpecSize; | ||
| height = width * videoHeight / videoWidth; | ||
| if (heightSpecMode == MeasureSpec.AT_MOST && height > heightSpecSize) { | ||
| // couldn't match aspect ratio within the constraints | ||
| height = heightSpecSize; | ||
| width = height * videoWidth / videoHeight; | ||
| } | ||
| } else if (heightSpecMode == MeasureSpec.EXACTLY) { | ||
| // only the height is fixed, adjust the width to match aspect ratio if possible | ||
| height = heightSpecSize; | ||
| width = height * videoWidth / videoHeight; | ||
| if (widthSpecMode == MeasureSpec.AT_MOST && width > widthSpecSize) { | ||
| // couldn't match aspect ratio within the constraints | ||
| width = widthSpecSize; | ||
| height = width * videoHeight / videoWidth; | ||
| } | ||
| } else { | ||
| // neither the width nor the height are fixed, try to use actual video size | ||
| width = videoWidth; | ||
| height = videoHeight; | ||
| if (heightSpecMode == MeasureSpec.AT_MOST && height > heightSpecSize) { | ||
| // too tall, decrease both width and height | ||
| height = heightSpecSize; | ||
| width = height * videoWidth / videoHeight; | ||
| } | ||
| if (widthSpecMode == MeasureSpec.AT_MOST && width > widthSpecSize) { | ||
| // too wide, decrease both width and height | ||
| width = widthSpecSize; | ||
| height = width * videoHeight / videoWidth; | ||
| } | ||
| } | ||
| } else { | ||
| // no size yet, just adopt the given spec sizes | ||
| } | ||
| setMeasuredDimension(width, height); | ||
| } | ||
| } |
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