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Merge pull request Doikki#790 from Doikki/dev
视频滤镜功能
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133 changes: 133 additions & 0 deletions
133
dkplayer-sample/src/main/java/xyz/doikki/dkplayer/widget/render/gl2/EglUtil.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,133 @@ | ||
| package xyz.doikki.dkplayer.widget.render.gl2; | ||
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| import static android.opengl.GLES20.GL_ARRAY_BUFFER; | ||
| import static android.opengl.GLES20.GL_CLAMP_TO_EDGE; | ||
| import static android.opengl.GLES20.GL_LINK_STATUS; | ||
| import static android.opengl.GLES20.GL_STATIC_DRAW; | ||
| import static android.opengl.GLES20.GL_TEXTURE_MAG_FILTER; | ||
| import static android.opengl.GLES20.GL_TEXTURE_MIN_FILTER; | ||
| import static android.opengl.GLES20.GL_TEXTURE_WRAP_S; | ||
| import static android.opengl.GLES20.GL_TEXTURE_WRAP_T; | ||
| import static android.opengl.GLES20.GL_TRUE; | ||
| import static android.opengl.GLES20.glCreateProgram; | ||
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| import android.graphics.Bitmap; | ||
| import android.opengl.GLES20; | ||
| import android.opengl.GLException; | ||
| import android.opengl.GLUtils; | ||
| import android.util.Log; | ||
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| import java.nio.ByteBuffer; | ||
| import java.nio.ByteOrder; | ||
| import java.nio.FloatBuffer; | ||
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| import xyz.doikki.dkplayer.BuildConfig; | ||
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| public class EglUtil { | ||
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| public static final int NO_TEXTURE = -1; | ||
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| private static final int FLOAT_SIZE_BYTES = 4; | ||
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| public static int loadShader(final String strSource, final int iType) { | ||
| int[] compiled = new int[1]; | ||
| int iShader = GLES20.glCreateShader(iType); | ||
| GLES20.glShaderSource(iShader, strSource); | ||
| GLES20.glCompileShader(iShader); | ||
| GLES20.glGetShaderiv(iShader, GLES20.GL_COMPILE_STATUS, compiled, 0); | ||
| if (compiled[0] == 0) { | ||
| Log.d("Load Shader Failed", "Compilation\n" + GLES20.glGetShaderInfoLog(iShader)); | ||
| return 0; | ||
| } | ||
| return iShader; | ||
| } | ||
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| public static int createProgram(final int vertexShader, final int pixelShader) throws GLException { | ||
| final int program = glCreateProgram(); | ||
| if (program == 0) { | ||
| throw new RuntimeException("Could not create program"); | ||
| } | ||
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| GLES20.glAttachShader(program, vertexShader); | ||
| GLES20.glAttachShader(program, pixelShader); | ||
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| GLES20.glLinkProgram(program); | ||
| final int[] linkStatus = new int[1]; | ||
| GLES20.glGetProgramiv(program, GL_LINK_STATUS, linkStatus, 0); | ||
| if (linkStatus[0] != GL_TRUE) { | ||
| GLES20.glDeleteProgram(program); | ||
| throw new RuntimeException("Could not link program"); | ||
| } | ||
| return program; | ||
| } | ||
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| public static void checkEglError(String operation) { | ||
| if (!BuildConfig.DEBUG) return; | ||
| int error; | ||
| while ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR) { | ||
| throw new RuntimeException(operation + ": glError " + error); | ||
| } | ||
| } | ||
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| public static void setupSampler(final int target, final int mag, final int min) { | ||
| GLES20.glTexParameterf(target, GL_TEXTURE_MAG_FILTER, mag); | ||
| GLES20.glTexParameterf(target, GL_TEXTURE_MIN_FILTER, min); | ||
| GLES20.glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); | ||
| GLES20.glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); | ||
| } | ||
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| public static int createBuffer(final float[] data) { | ||
| return createBuffer(toFloatBuffer(data)); | ||
| } | ||
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| public static int createBuffer(final FloatBuffer data) { | ||
| final int[] buffers = new int[1]; | ||
| GLES20.glGenBuffers(buffers.length, buffers, 0); | ||
| updateBufferData(buffers[0], data); | ||
| return buffers[0]; | ||
| } | ||
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| public static FloatBuffer toFloatBuffer(final float[] data) { | ||
| final FloatBuffer buffer = ByteBuffer | ||
| .allocateDirect(data.length * FLOAT_SIZE_BYTES) | ||
| .order(ByteOrder.nativeOrder()) | ||
| .asFloatBuffer(); | ||
| buffer.put(data).position(0); | ||
| return buffer; | ||
| } | ||
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| public static void updateBufferData(final int bufferName, final FloatBuffer data) { | ||
| GLES20.glBindBuffer(GL_ARRAY_BUFFER, bufferName); | ||
| GLES20.glBufferData(GL_ARRAY_BUFFER, data.capacity() * FLOAT_SIZE_BYTES, data, GL_STATIC_DRAW); | ||
| GLES20.glBindBuffer(GL_ARRAY_BUFFER, 0); | ||
| } | ||
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| public static int loadTexture(final Bitmap img, final int usedTexId, final boolean recycle) { | ||
| int[] textures = new int[1]; | ||
| if (usedTexId == NO_TEXTURE) { | ||
| GLES20.glGenTextures(1, textures, 0); | ||
| GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]); | ||
| GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, | ||
| GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR); | ||
| GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, | ||
| GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR); | ||
| GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, | ||
| GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE); | ||
| GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, | ||
| GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE); | ||
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| GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, img, 0); | ||
| } else { | ||
| GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, usedTexId); | ||
| GLUtils.texSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, img); | ||
| textures[0] = usedTexId; | ||
| } | ||
| if (recycle) { | ||
| img.recycle(); | ||
| } | ||
| return textures[0]; | ||
| } | ||
| } |
77 changes: 77 additions & 0 deletions
77
...mple/src/main/java/xyz/doikki/dkplayer/widget/render/gl2/GLFrameBufferObjectRenderer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package xyz.doikki.dkplayer.widget.render.gl2; | ||
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| import static android.opengl.GLES20.GL_COLOR_BUFFER_BIT; | ||
| import static android.opengl.GLES20.GL_DEPTH_BUFFER_BIT; | ||
| import static android.opengl.GLES20.GL_FRAMEBUFFER; | ||
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| import android.opengl.GLES20; | ||
| import android.opengl.GLSurfaceView; | ||
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| import java.util.LinkedList; | ||
| import java.util.Queue; | ||
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| import javax.microedition.khronos.egl.EGLConfig; | ||
| import javax.microedition.khronos.opengles.GL10; | ||
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| import xyz.doikki.dkplayer.widget.render.gl2.filter.GlFilter; | ||
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| abstract class GLFrameBufferObjectRenderer implements GLSurfaceView.Renderer { | ||
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| private GLFramebufferObject framebufferObject; | ||
| private GlFilter normalShader; | ||
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| private final Queue<Runnable> runOnDraw; | ||
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| GLFrameBufferObjectRenderer() { | ||
| runOnDraw = new LinkedList<Runnable>(); | ||
| } | ||
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| @Override | ||
| public final void onSurfaceCreated(final GL10 gl, final EGLConfig config) { | ||
| framebufferObject = new GLFramebufferObject(); | ||
| normalShader = new GlFilter(); | ||
| normalShader.setup(); | ||
| onSurfaceCreated(config); | ||
| } | ||
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| @Override | ||
| public final void onSurfaceChanged(final GL10 gl, final int width, final int height) { | ||
| framebufferObject.setup(width, height); | ||
| normalShader.setFrameSize(width, height); | ||
| onSurfaceChanged(width, height); | ||
| } | ||
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| @Override | ||
| public final void onDrawFrame(final GL10 gl) { | ||
| synchronized (runOnDraw) { | ||
| while (!runOnDraw.isEmpty()) { | ||
| runOnDraw.poll().run(); | ||
| } | ||
| } | ||
| framebufferObject.enable(); | ||
| GLES20.glViewport(0, 0, framebufferObject.getWidth(), framebufferObject.getHeight()); | ||
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| onDrawFrame(framebufferObject); | ||
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| GLES20.glBindFramebuffer(GL_FRAMEBUFFER, 0); | ||
| GLES20.glViewport(0, 0, framebufferObject.getWidth(), framebufferObject.getHeight()); | ||
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| GLES20.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | ||
| normalShader.draw(framebufferObject.getTexName(), null); | ||
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| } | ||
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| @Override | ||
| protected void finalize() throws Throwable { | ||
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| } | ||
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| public abstract void onSurfaceCreated(EGLConfig config); | ||
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| public abstract void onSurfaceChanged(int width, int height); | ||
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| public abstract void onDrawFrame(GLFramebufferObject fbo); | ||
| } |
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