GLMediaPlayer: Add camera input / FFMPEG: Fix 'av_packet' leak and add missing symbol 'av_realloc'.

- Add camera input
  - Use URI w/ scheme 'camera' to determine camera input is desired,
    use URI host as camera id.
    E.g. 'camera://0' for 1st camera.

  - AndroidGLMediaPlayerAPI14: Via 'Camera'

  - FFMPEG*: Via libavdevice, device name and input format

  - TODO: Add controls to manipulate camera if available

- FFMPEG*
  - Add symbols
    - avcodec_register_all
    - av_realloc (was missing)
    - avdevice_register_all

  - Load libavdevice (opt)

  - Camera:
    - Use <ID> (windows) and /dev/video<ID> other OS
    - simply find the input format in native code

  - Support YUYV422 (used in video4linux2, etc.)
    - Stuff 2x 16bpp (YUYV) into one RGBA pixel!
    - Add texture format for 16bpp
    - Add texture lookup shader

  - Fix av_packet leak in readNextImpl(..)
    - Restore orig pointer and size values,
      we may have moved along within packet.
      Then call av_free_packet().

  - Use null AudioSink if audio-id is NONE

1 files changed, 15 insertions, 0 deletions

diff --git a/src/jogl/classes/com/jogamp/opengl/util/av/GLMediaPlayer.java b/src/jogl/classes/com/jogamp/opengl/util/av/GLMediaPlayer.java
index 6235bdeb0..0feca9f45 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/av/GLMediaPlayer.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/av/GLMediaPlayer.java
@@ -47,6 +47,9 @@ import com.jogamp.opengl.util.TimeFrameI;
  * Audio and video streams can be selected or muted via {@link #initStream(URI, int, int, int)}
  * using the appropriate <a href="#streamIDs">stream id</a>'s.
  * </p>
+ * <p>
+ * Camera input can be selected using the {@link #CameraInputScheme} URI. 
+ * </p>
  *   
  * <a name="streamworker"><h5><i>StreamWorker</i> Decoding Thread</h5></a>
  * <p>
@@ -190,6 +193,18 @@ public interface GLMediaPlayer extends TextureSequence {
     /** Constant {@value} for <i>auto</i> or <i>unspecified</i>. See <a href="#streamIDs">Audio and video Stream IDs</a>. */
     public static final int STREAM_ID_AUTO = -1;
     
+    /** 
+     * {@link URI#getScheme() URI scheme} name {@value} for camera input. E.g. <code>camera://0</code>
+     * for the 1st camera device.
+     * <p>
+     * Note: the {@link URI#getHost() URI host} is being used to identify the camera:
+     * <pre>
+     *    camera://<id>
+     * </pre>
+     * </p> 
+     */
+    public static final String CameraInputScheme = "camera";
+    
     /** Maximum video frame async of {@value} milliseconds. */
     public static final int MAXIMUM_VIDEO_ASYNC = 22;