Merge remote-tracking branch 'xranby-github/FFMPEGMediaPlayer'

Conflicts:
	src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGDynamicLibraryBundleInfo.java
	src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGMediaPlayer.java

Signed-off-by: Xerxes Rånby <[email protected]>

6 files changed, 402 insertions, 14 deletions

diff --git a/src/jogl/classes/jogamp/opengl/openal/av/ALAudioSink.java b/src/jogl/classes/jogamp/opengl/openal/av/ALAudioSink.java
new file mode 100644
index 000000000..9f0561cb3
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/openal/av/ALAudioSink.java
@@ -0,0 +1,168 @@
+package jogamp.opengl.openal.av;
+
+import java.nio.Buffer;
+import java.nio.ByteBuffer;
+
+import jogamp.opengl.util.av.AudioSink;
+
+import com.jogamp.common.nio.Buffers;
+import com.jogamp.openal.*;
+
+public class ALAudioSink implements AudioSink {
+
+    static ALC alc;
+    static AL al;
+    static ALCdevice device;
+    static ALCcontext context;
+
+    // AudioFormat parameters
+    public  static final int     SAMPLE_RATE = 44100;
+
+    // Chunk of audio processed at one time
+    public static final int BUFFER_SIZE = 1000;
+    public static final int SAMPLES_PER_BUFFER = BUFFER_SIZE / 2;
+    
+    // Sample time values
+    public static final double SAMPLE_TIME_IN_SECS = 1.0 / SAMPLE_RATE;
+    public static final double BUFFER_TIME_IN_SECS = SAMPLE_TIME_IN_SECS * SAMPLES_PER_BUFFER;
+    
+    private static int NUM_BUFFERS = 5;
+    private static int bufferNumber = 0;
+    private static int[] buffers = new int[NUM_BUFFERS];
+    private static int[] source = new int[1];
+    private static boolean initBuffer = true;
+    private static int frequency = 44100;
+    private static int format = AL.AL_FORMAT_STEREO16;
+    
+    private static boolean available = false;
+    
+    static {
+        
+        boolean joalFound = false;
+        try {
+            Class.forName("com.jogamp.openal.ALFactory");
+            joalFound = true;
+        } catch(ClassNotFoundException e){
+            // Joal not found on classpath
+        }            
+            
+        if(joalFound) {
+        
+            alc = ALFactory.getALC();            
+            String deviceSpecifier;
+
+            // Get handle to default device.
+            device = alc.alcOpenDevice(null);
+            if (device == null) {
+                throw new ALException("Error opening default OpenAL device");
+            }
+        
+            // Get the device specifier.
+            deviceSpecifier = alc.alcGetString(device, ALC.ALC_DEVICE_SPECIFIER);
+            if (deviceSpecifier == null) {
+                throw new ALException("Error getting specifier for default OpenAL device");
+            }
+                
+            // Create audio context.
+            context = alc.alcCreateContext(device, null);
+            if (context == null) {
+                throw new ALException("Error creating OpenAL context");
+            }
+        
+            // Set active context.
+            alc.alcMakeContextCurrent(context);
+        
+            // Check for an error.
+            if (alc.alcGetError(device) != ALC.ALC_NO_ERROR) {
+                throw new ALException("Error making OpenAL context current");
+            }
+            
+            al = ALFactory.getAL();
+            
+            // Allocate buffers
+            al.alGenBuffers(NUM_BUFFERS, buffers, 0);                       
+            al.alGenSources(1, source, 0);
+            al.alSourcei(source[0], AL.AL_BUFFER, buffers[0]);
+            
+            if(al.alGetError() != AL.AL_NO_ERROR) {
+                throw new ALException("Error generating :(");                 
+            }            
+        
+            System.out.println("OpenAL audio sink using device: " + deviceSpecifier);        
+            available = true;
+        }
+    }
+    
+    @Override
+    public boolean isDataAvailable(int data_size) {               
+        return true;
+    }
+    
+    @Override
+    public void writeData(byte[] sampleData, int data_size) {
+        // OpenAL consumes buffers in the background
+        // we first need to initialize the OpenAL buffers then
+        // start continous playback.
+        alc.alcMakeContextCurrent(context);
+        if(initBuffer) {
+
+            ByteBuffer data = Buffers.newDirectByteBuffer(sampleData);
+            al.alBufferData(buffers[bufferNumber], format, data, data_size, frequency);
+            int error = al.alGetError();
+            if(error != AL.AL_NO_ERROR) {
+                System.out.println("bufferNumber"+bufferNumber+" Data "+sampleData+" size"+data_size);
+                throw new ALException("Error loading :( error code: " + error);                
+            }
+
+            if(bufferNumber==NUM_BUFFERS-1){
+                // all buffers queued
+                al.alSourceQueueBuffers(source[0], NUM_BUFFERS, buffers, 0);
+                // start playback
+                al.alSourcePlay(source[0]);
+                if(al.alGetError() != AL.AL_NO_ERROR) {
+                    throw new ALException("Error starting :(");                 
+                }
+                initBuffer=false;
+            }
+
+            // update buffer number to fill
+            bufferNumber=(bufferNumber+1)%NUM_BUFFERS;
+        } else {
+            // OpenAL is playing in the background.
+            // one new frame with audio data is ready
+
+            // first wait for openal to release one buffer
+            int[] buffer=new int[1];
+            int[] val=new int[1];
+            do {
+                al.alGetSourcei(source[0], AL.AL_BUFFERS_PROCESSED, val, 0);
+            } while (val[0] <= 0);
+
+            // fill and requeue the empty buffer
+            al.alSourceUnqueueBuffers(source[0], 1, buffer , 0);
+            Buffer data = Buffers.newDirectByteBuffer(sampleData);
+            al.alBufferData(buffer[0], format, data, data_size, frequency);
+            al.alSourceQueueBuffers(source[0], 1, buffer, 0);
+            if(al.alGetError() != AL.AL_NO_ERROR) {
+                throw new ALException("Error buffering :(");                 
+            }
+
+            // Restart openal playback if needed
+            al.alGetSourcei(source[0], AL.AL_SOURCE_STATE, val, 0);
+            if(val[0] != al.AL_PLAYING) {
+                al.alSourcePlay(source[0]);
+            }
+        }
+    }
+
+    @Override
+    public int getDataAvailable() {
+        int[] val=new int[1];       
+        al.alGetSourcei(source[0], AL.AL_BUFFERS_PROCESSED, val, 0);
+        return (NUM_BUFFERS-val[0])*4096;
+    }
+
+    public static boolean isAvailable() {
+        return available;
+    }
+}
diff --git a/src/jogl/classes/jogamp/opengl/util/av/AudioSink.java b/src/jogl/classes/jogamp/opengl/util/av/AudioSink.java
new file mode 100644
index 000000000..fedead713
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/util/av/AudioSink.java
@@ -0,0 +1,11 @@
+package jogamp.opengl.util.av;
+
+public interface AudioSink {
+
+    int getDataAvailable();
+
+    boolean isDataAvailable(int data_size);
+
+    void writeData(byte[] sampleData, int data_size);
+    
+}
diff --git a/src/jogl/classes/jogamp/opengl/util/av/JavaSoundAudioSink.java b/src/jogl/classes/jogamp/opengl/util/av/JavaSoundAudioSink.java
new file mode 100644
index 000000000..0e2806322
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/util/av/JavaSoundAudioSink.java
@@ -0,0 +1,78 @@
+package jogamp.opengl.util.av;
+
+import java.util.Arrays;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.SourceDataLine;
+
+public class JavaSoundAudioSink implements AudioSink {
+
+    // AudioFormat parameters
+    public  static final int     SAMPLE_RATE = 44100;
+    private static final int     SAMPLE_SIZE = 16;
+    private static final int     CHANNELS = 2;
+    private static final boolean SIGNED = true;
+    private static final boolean BIG_ENDIAN = false;
+
+    // Chunk of audio processed at one time
+    public static final int BUFFER_SIZE = 1000;
+    public static final int SAMPLES_PER_BUFFER = BUFFER_SIZE / 2;
+    
+    // Sample time values
+    public static final double SAMPLE_TIME_IN_SECS = 1.0 / SAMPLE_RATE;
+    public static final double BUFFER_TIME_IN_SECS = SAMPLE_TIME_IN_SECS * SAMPLES_PER_BUFFER;
+    
+    private static AudioFormat format;
+    private static DataLine.Info info;
+    private static SourceDataLine auline;
+    private static int bufferCount;
+    private static byte [] sampleData = new byte[BUFFER_SIZE];  
+    
+    private static boolean available;
+    
+    static {
+     // Create the audio format we wish to use
+        format = new AudioFormat(SAMPLE_RATE, SAMPLE_SIZE, CHANNELS, SIGNED, BIG_ENDIAN);
+
+        // Create dataline info object describing line format
+        info = new DataLine.Info(SourceDataLine.class, format);
+
+        // Clear buffer initially
+        Arrays.fill(sampleData, (byte) 0);
+        try{
+            // Get line to write data to
+            auline = (SourceDataLine) AudioSystem.getLine(info);
+            auline.open(format);
+            auline.start();
+            System.out.println("JavaSound audio sink");
+            available=true;
+        } catch (Exception e) {
+            available=false;
+        }
+    }   
+    
+    public void writeData(byte[] sampleData, int data_size) {
+         int written = 0;
+         int len;
+         while (data_size > 0) {
+            len = auline.write(sampleData, written, data_size);
+            data_size -= len;
+            written += len;
+        }        
+    }
+
+    public int getDataAvailable() {
+        return auline.available();
+    }
+    
+    public boolean isDataAvailable(int data_size) {
+        return auline.available()>=data_size;
+    }
+
+    public static boolean isAvailable() {
+        return available;
+    }
+
+}
diff --git a/src/jogl/classes/jogamp/opengl/util/av/NullAudioSink.java b/src/jogl/classes/jogamp/opengl/util/av/NullAudioSink.java
new file mode 100644
index 000000000..81259f4c5
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/util/av/NullAudioSink.java
@@ -0,0 +1,18 @@
+package jogamp.opengl.util.av;
+
+public class NullAudioSink implements AudioSink {
+
+    @Override
+    public int getDataAvailable() {
+        return 0;
+    }
+
+    @Override
+    public boolean isDataAvailable(int data_size) {
+        return false;
+    }
+
+    @Override
+    public void writeData(byte[] sampleData, int data_size) {
+    }
+}
diff --git a/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGDynamicLibraryBundleInfo.java b/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGDynamicLibraryBundleInfo.java
index 2d40fe4ec..852e5149c 100644
--- a/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGDynamicLibraryBundleInfo.java
+++ b/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGDynamicLibraryBundleInfo.java
@@ -57,7 +57,7 @@ import com.jogamp.common.util.RunnableExecutor;
 class FFMPEGDynamicLibraryBundleInfo implements DynamicLibraryBundleInfo  {
     private static final List<String> glueLibNames = new ArrayList<String>(); // none
     
-    private static final int symbolCount = 31;
+    private static final int symbolCount = 32;
     private static final String[] symbolNames = {
          "avcodec_version",
          "avformat_version",
@@ -80,7 +80,8 @@ class FFMPEGDynamicLibraryBundleInfo implements DynamicLibraryBundleInfo  {
          // libavutil
          "av_pix_fmt_descriptors", 
          "av_free", 
-/* 18 */ "av_get_bits_per_pixel",
+         "av_get_bits_per_pixel",
+/* 19 */ "av_samples_get_buffer_size",
         
          // libavformat
          "avformat_alloc_context",
@@ -95,7 +96,7 @@ class FFMPEGDynamicLibraryBundleInfo implements DynamicLibraryBundleInfo  {
          "avformat_network_init",     // 53.13.0   (opt)
          "avformat_network_deinit",   // 53.13.0   (opt)
          "avformat_find_stream_info", // 53.3.0    (opt)
-/* 29 */ "av_find_stream_info",
+/* 32 */ "av_find_stream_info",
     };
     
     // alternate symbol names
diff --git a/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGMediaPlayer.java b/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGMediaPlayer.java
index a4178967c..9ae1541f9 100644
--- a/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGMediaPlayer.java
+++ b/src/jogl/classes/jogamp/opengl/util/av/impl/FFMPEGMediaPlayer.java
@@ -38,6 +38,9 @@ import javax.media.opengl.GL;
 import javax.media.opengl.GL2ES2;
 import javax.media.opengl.GLException;
 
+import java.util.Arrays;
+import java.util.Queue;
+
 import com.jogamp.common.util.VersionNumber;
 import com.jogamp.gluegen.runtime.ProcAddressTable;
 import com.jogamp.opengl.util.GLPixelStorageModes;
@@ -45,6 +48,10 @@ import com.jogamp.opengl.util.texture.Texture;
 import com.jogamp.opengl.util.texture.TextureSequence;
 
 import jogamp.opengl.GLContextImpl;
+import jogamp.opengl.util.av.AudioSink;
+import jogamp.opengl.util.av.JavaSoundAudioSink;
+import jogamp.opengl.util.av.NullAudioSink;
+import jogamp.opengl.openal.av.ALAudioSink;
 import jogamp.opengl.util.av.EGLMediaPlayerImpl;
 
 /***
@@ -100,10 +107,18 @@ import jogamp.opengl.util.av.EGLMediaPlayerImpl;
  * </ul> 
  */
 public class FFMPEGMediaPlayer extends EGLMediaPlayerImpl {
+
+    // Count of zeroed buffers to return before switching to real sample provider
+    private static final int TEMP_BUFFER_COUNT = 20;
+
+    // Instance data
+    private static AudioSink audioSink;
+    private static int maxAvailableAudio;
+
     public static final VersionNumber avUtilVersion;
     public static final VersionNumber avFormatVersion;
     public static final VersionNumber avCodecVersion;    
-    static final boolean available;
+    static boolean available;
     
     static {
         if(FFMPEGDynamicLibraryBundleInfo.initSingleton()) {
@@ -113,7 +128,16 @@ public class FFMPEGMediaPlayer extends EGLMediaPlayerImpl {
             System.err.println("LIB_AV Util  : "+avUtilVersion);
             System.err.println("LIB_AV Format: "+avFormatVersion);
             System.err.println("LIB_AV Codec : "+avCodecVersion);
-            available = initIDs0();
+            initIDs0();            
+            available = true;
+            audioSink = new NullAudioSink();
+            if(ALAudioSink.isAvailable()) {
+                audioSink = new ALAudioSink();
+            } else if(JavaSoundAudioSink.isAvailable()) {
+                audioSink = new JavaSoundAudioSink();
+            }
+            maxAvailableAudio = audioSink.getDataAvailable();
+
         } else {
             avUtilVersion = null;
             avFormatVersion = null;
@@ -223,7 +247,77 @@ public class FFMPEGMediaPlayer extends EGLMediaPlayerImpl {
             }
         } ).longValue();
     }
-    
+
+
+    private class AudioFrame {
+        final byte[] sampleData; 
+        final int data_size;
+        final int audio_pts;
+        AudioFrame(byte[] sampleData, int data_size, int audio_pts) {
+            this.sampleData=sampleData;
+            this.data_size=data_size;
+            this.audio_pts=audio_pts;
+        }
+    }
+
+    static final Queue<AudioFrame> audioFrameBuffer = new java.util.LinkedList<AudioFrame>(); 
+
+    private void updateSound(byte[] sampleData, int data_size, int audio_pts) {
+/*
+        // Visualize incomming data
+        int c=0; 
+        for(byte b: sampleData){
+            if(b<0) {
+                System.out.print(" ");
+            } else if(b<64) {
+                System.out.print("_");
+            } else if(b < 128) {
+                System.out.print("-");
+            } else if(b == 128) {
+                System.out.print("=");
+            } else if(b < 256-64) {
+                System.out.print("\"");
+            } else {
+                System.out.print("'");
+            }
+                        
+            c++;
+            if(c>=40)
+                break;                   
+        }
+        System.out.println("jA");
+*/
+
+        //TODO reduce GC
+        audioFrameBuffer.add(new AudioFrame(sampleData, data_size, audio_pts));
+        pumpAudio();
+    }
+
+    private void pumpAudio() {
+        if(audioSink.getDataAvailable()==maxAvailableAudio){
+           System.out.println("warning: audio buffer underrun");
+        }
+        while(audioFrameBuffer.peek()!=null){
+            AudioFrame a = audioFrameBuffer.peek();
+
+            // poor mans audio sync .. TODO: off thread
+            final long now = System.currentTimeMillis();
+            final long now_d = now - lastAudioTime;
+            final long pts_d = a.audio_pts - lastAudioPTS;
+            final long dt = (long) ( (float) ( pts_d - now_d ) / getPlaySpeed() ) ;
+           
+            System.err.println("s: pts-a "+a.audio_pts+", pts-d "+pts_d+", now_d "+now_d+", dt "+dt); 
+            lastAudioTime = now;
+            if( (dt<audio_dt_d  ) && audioSink.isDataAvailable(a.data_size)) {
+                audioFrameBuffer.poll(); /* remove first item from the queue */
+                audioSink.writeData(a.sampleData, a.data_size);                
+                lastAudioPTS=a.audio_pts; 
+            } else {
+                break;
+            }
+        }
+    }
+
     private void updateAttributes2(int pixFmt, int planes, int bitsPerPixel, int bytesPerPixelPerPlane,
                                    int lSz0, int lSz1, int lSz2,
                                    int tWd0, int tWd1, int tWd2) {
@@ -369,6 +463,9 @@ public class FFMPEGMediaPlayer extends EGLMediaPlayerImpl {
         int pts0 = getVideoPTS0(moviePtr);
         int pts1 = seek0(moviePtr, msec);
         System.err.println("Seek: "+pts0+" -> "+msec+" : "+pts1);
+        audioFrameBuffer.clear();
+        lastAudioPTS=pts1;
+        lastVideoPTS=pts1;
         return pts1;
     }
 
@@ -377,9 +474,12 @@ public class FFMPEGMediaPlayer extends EGLMediaPlayerImpl {
         return lastTex;
     }
     
+    private long lastAudioTime = 0;
+    private int lastAudioPTS = 0;
+    private static final int audio_dt_d = 400;
     private long lastVideoTime = 0;
     private int lastVideoPTS = 0;
-    private static final int dt_d = 9;
+    private static final int video_dt_d = 9;
     
     @Override
     protected TextureSequence.TextureFrame getNextTextureImpl(GL gl, boolean blocking) {
@@ -393,7 +493,15 @@ public class FFMPEGMediaPlayer extends EGLMediaPlayerImpl {
                 gl.glActiveTexture(GL.GL_TEXTURE0+getTextureUnit());
                 tex.enable(gl);
                 tex.bind(gl);
-                readNextPacket0(moviePtr, procAddrGLTexSubImage2D, textureTarget, textureFormat, textureType);
+
+                /* try decode 10 packets to find one containing video
+                   (res == 2) */
+                int res = 0;
+                int retry = 10; 
+                while(res!=2 && retry >= 0) { 
+                   res = readNextPacket0(moviePtr, procAddrGLTexSubImage2D, textureTarget, textureFormat, textureType);
+                   retry--;
+                }
             } finally {
                 psm.restore(gl);
             }
@@ -401,19 +509,23 @@ public class FFMPEGMediaPlayer extends EGLMediaPlayerImpl {
             if(blocking) {
                 // poor mans video sync .. TODO: off thread 'readNextPackage0(..)' on shared GLContext and multi textures/unit!
                 final long now = System.currentTimeMillis();
-                final long now_d = now - lastVideoTime;
-                final long pts_d = pts - lastVideoPTS;                
-                final long dt = (long) ( (float) ( pts_d - now_d ) / getPlaySpeed() ) ;
+                // Try sync video to audio
+                final long now_d = now - lastAudioTime;
+                final long pts_d = pts - lastAudioPTS - 444; /* hack 444 == play video 444ms ahead of audio */
+                final long dt = Math.min(47, (long) ( (float) ( pts_d - now_d ) / getPlaySpeed() ) ) ;
+                //final long dt = (long) ( (float) ( pts_d - now_d ) / getPlaySpeed() ) ;
                 lastVideoTime = now;
-                // System.err.println("s: pts-v "+pts+", pts-d "+pts_d+", now_d "+now_d+", dt "+dt);
-                if(dt>dt_d) {
+                System.err.println("s: pts-v "+pts+", pts-d "+pts_d+", now_d "+now_d+", dt "+dt);
+                
+                if(dt>video_dt_d && dt<1000 && audioSink.getDataAvailable()<maxAvailableAudio-10000) {
                     try {
-                        Thread.sleep(dt-dt_d);
+                        Thread.sleep(dt-video_dt_d);
                     } catch (InterruptedException e) { }
                 } /* else if(0>pts_d) {
                     System.err.println("s: pts-v "+pts+", pts-d "+pts_d+", now_d "+now_d+", dt "+dt);
                 } */
             }
+            pumpAudio();
             lastVideoPTS = pts;
         }
         return lastTex;