diff options
Diffstat (limited to 'src/jogl/classes/jogamp/opengl/av/GLMediaPlayerImpl.java')
| -rw-r--r-- | src/jogl/classes/jogamp/opengl/av/GLMediaPlayerImpl.java | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/av/GLMediaPlayerImpl.java b/src/jogl/classes/jogamp/opengl/av/GLMediaPlayerImpl.java new file mode 100644 index 000000000..826bb6953 --- /dev/null +++ b/src/jogl/classes/jogamp/opengl/av/GLMediaPlayerImpl.java @@ -0,0 +1,307 @@ +package jogamp.opengl.av; + +import java.io.IOException; +import java.net.URL; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; + +import javax.media.opengl.GL; +import javax.media.opengl.GLContext; +import javax.media.opengl.GLDrawable; +import javax.media.opengl.GLES2; + +import com.jogamp.opengl.av.GLMediaPlayer; +import com.jogamp.opengl.av.GLMediaEventListener; +import com.jogamp.opengl.util.texture.Texture; + +/** + * After object creation an implementation may customize the behavior: + * <ul> + * <li>{@link #setTextureCount(int)}</li> + * <li>{@link #setTextureTarget(int)}</li> + * <li>{@link EGLMediaPlayerImpl#setEGLTexImageAttribs(boolean, boolean)}.</li> + * </ul> + * + * <p> + * See {@link GLMediaPlayer}. + * </p> + */ +public abstract class GLMediaPlayerImpl implements GLMediaPlayer { + + protected int textureCount; + protected int textureTarget; + + private int sWidth = 0; + private int sHeight = 0; + protected URL url = null; + + protected Texture texture = null; + protected float playSpeed = 1.0f; + + /** Shall be set by the {@link #setStreamImpl()} method implementation. */ + protected int width = 0; + /** Shall be set by the {@link #setStreamImpl()} method implementation. */ + protected int height = 0; + /** Shall be set by the {@link #setStreamImpl()} method implementation. */ + protected int fps = 0; + /** Shall be set by the {@link #setStreamImpl()} method implementation. */ + protected long bps = 0; + /** Shall be set by the {@link #setStreamImpl()} method implementation. */ + protected long totalFrames = 0; + /** Shall be set by the {@link #setStreamImpl()} method implementation. */ + protected String acodec = null; + /** Shall be set by the {@link #setStreamImpl()} method implementation. */ + protected String vcodec = null; + + protected long frameNumber = 0; + + private TextureFrame[] texFrames = null; + protected HashMap<Integer, TextureFrame> texFrameMap = new HashMap<Integer, TextureFrame>(); + private ArrayList<GLMediaEventListener> eventListeners = new ArrayList<GLMediaEventListener>(); + + protected GLMediaPlayerImpl() { + this.textureCount=3; + this.textureTarget=GL.GL_TEXTURE_2D; + } + + protected final void setTextureCount(int textureCount) { + this.textureCount=textureCount; + } + protected final void setTextureTarget(int textureTarget) { + this.textureTarget=textureTarget; + } + + @Override + public final void setStream(GL gl, URL url) throws IOException { + this.url = url; + if (this.url == null) { + System.out.println("setURL (null)"); + stop(); + return; + } + setStreamImpl(); + init(gl); + } + + /** + * Implementation shall set the following set of data: + * @see #width + * @see #height + * @see #fps + * @see #bps + * @see #totalFrames + * @see #acodec + * @see #vcodec + */ + protected abstract void setStreamImpl() throws IOException; + + protected final void init(GL gl) { + final GLContext ctx = gl.getContext(); + if(!ctx.isCurrent()) { + throw new RuntimeException("Not current: "+ctx); + } + + final GLDrawable drawable = ctx.getGLDrawable(); + sWidth = drawable.getWidth(); + sHeight = drawable.getHeight(); + System.out.println("surface size: "+sWidth+"x"+sHeight); + System.out.println("Platform Extensions : "+ctx.getPlatformExtensionsString()); + + if(null!=texFrames) { + removeAllImageTextures(ctx); + } else { + texFrames = new TextureFrame[textureCount]; + } + + final int[] tex = new int[textureCount]; + { + gl.glGenTextures(textureCount, tex, 0); + final int err = gl.glGetError(); + if( GL.GL_NO_ERROR != err ) { + throw new RuntimeException("TextureNames creation failed (num: "+textureCount+"): err "+toHexString(err)); + } + } + + for(int i=0; i<textureCount; i++) { + final TextureFrame tf = createTexImage(ctx, i, tex); + texFrames[i] = tf; + texFrameMap.put(tex[i], tf); + } + } + + protected TextureFrame createTexImage(GLContext ctx, int idx, int[] tex) { + return new TextureFrame( createTexImageImpl(ctx, idx, tex, true) ); + } + + protected Texture createTexImageImpl(GLContext ctx, int idx, int[] tex, boolean mustFlipVertically) { + final GL gl = ctx.getGL(); + if( 0 > tex[idx] ) { + throw new RuntimeException("TextureName "+toHexString(tex[idx])+" invalid."); + } + gl.glBindTexture(textureTarget, tex[idx]); + { + final int err = gl.glGetError(); + if( GL.GL_NO_ERROR != err ) { + throw new RuntimeException("Couldn't bind textureName "+toHexString(tex[idx])+" to 2D target, err "+toHexString(err)); + } + } + + // create space for buffer with a texture + gl.glTexImage2D( + textureTarget, // target + 0, // level + GL.GL_RGBA, // internal format + width, // width + height, // height + 0, // border + GL.GL_RGBA, // format + GL.GL_UNSIGNED_BYTE, // type + null); // pixels -- will be provided later + { + final int err = gl.glGetError(); + if( GL.GL_NO_ERROR != err ) { + throw new RuntimeException("Couldn't create TexImage2D RGBA "+width+"x"+height+", err "+toHexString(err)); + } + } + gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST); + gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST); + // Clamp to edge is only option. + gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE); + gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE); + + return com.jogamp.opengl.util.texture.TextureIO.newTexture(tex[idx], + textureTarget, + width, height, + width, height, + mustFlipVertically); + } + + protected void destroyTexImage(GLContext ctx, TextureFrame imgTex) { + imgTex.getTexture().destroy(ctx.getGL()); + } + + protected void removeAllImageTextures(GLContext ctx) { + texture = null; + for(int i=0; i<textureCount; i++) { + final TextureFrame imgTex = texFrames[i]; + destroyTexImage(ctx, imgTex); + texFrames[i] = null; + } + texFrameMap.clear(); + } + + protected void attributesUpdated(int event_mask) { + synchronized(eventListenersLock) { + for(Iterator<GLMediaEventListener> i = eventListeners.iterator(); i.hasNext(); ) { + i.next().attributesChanges(this, event_mask); + } + } + } + protected void newFrameAvailable(TextureFrame frame) { + synchronized(eventListenersLock) { + for(Iterator<GLMediaEventListener> i = eventListeners.iterator(); i.hasNext(); ) { + i.next().newFrameAvailable(this, frame); + } + } + } + + @Override + public synchronized float getPlaySpeed() { + return playSpeed; + } + + @Override + public synchronized Texture getLastTextureID() { + return texture; + } + + @Override + public synchronized void destroy(GL gl) { + destroyImpl(gl); + removeAllImageTextures(gl.getContext()); + } + protected abstract void destroyImpl(GL gl); + + @Override + public synchronized URL getURL() { + return url; + } + + @Override + public synchronized String getVideoCodec() { + return vcodec; + } + + @Override + public synchronized String getAudioCodec() { + return acodec; + } + + @Override + public synchronized long getTotalFrames() { + return totalFrames; + } + + @Override + public synchronized long getBitrate() { + return bps; + } + + @Override + public synchronized int getFramerate() { + return fps; + } + + @Override + public synchronized int getWidth() { + return width; + } + + @Override + public synchronized int getHeight() { + return height; + } + + @Override + public synchronized String toString() { + return "GLMediaPlayer [ stream [ video [ "+vcodec+", "+width+"x"+height+", "+fps+"fps, "+bps+"bsp, "+totalFrames+"f ] ] ]"; + } + + @Override + public void addEventListener(GLMediaEventListener l) { + if(l == null) { + return; + } + synchronized(eventListenersLock) { + eventListeners.add(l); + } + } + + @Override + public void removeEventListener(GLMediaEventListener l) { + if (l == null) { + return; + } + synchronized(eventListenersLock) { + eventListeners.remove(l); + } + } + + @Override + public synchronized GLMediaEventListener[] getEventListeners() { + synchronized(eventListenersLock) { + return eventListeners.toArray(new GLMediaEventListener[eventListeners.size()]); + } + } + + private Object eventListenersLock = new Object(); + + protected static final String toHexString(long v) { + return "0x"+Long.toHexString(v); + } + protected static final String toHexString(int v) { + return "0x"+Integer.toHexString(v); + } + +}
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