Optimize video transcoder

processing/sensorhub-process-ffmpeg/src/main/java/org/sensorhub/impl/process/video/FFmpegProcess.java

@@ -246,6 +246,7 @@ public void doStart() throws SensorException, SensorHubException {
             // Reinit executable. Not always necessary, but doesn't hurt.
             executable.init();
             process.start(this::onError);
+            //process.start(this::onError);
         } catch (ProcessException e) {
             logger.error("Could not initialize process.", e);
             return;
@@ -459,7 +460,7 @@ public void publishData() {
     }
 
 
-    // Listens for event from dara
+    // Listens for event from data
     protected class DataQueuePusher implements IEventListener {
         DataQueue dataQueue;
 

processing/sensorhub-process-ffmpeg/src/main/java/org/sensorhub/impl/process/video/transcoder/CodecEnum.java

@@ -11,15 +11,14 @@
 public enum CodecEnum {
     //AUTO("auto"),
     H264(AV_CODEC_ID_H264),
-    H265(AV_CODEC_ID_H265),
-    HEVC(AV_CODEC_ID_HEVC), // HEVC and H265 are the same. Having both in this enum helps with auto codec detection.
+    HEVC(AV_CODEC_ID_HEVC),
     MJPEG(AV_CODEC_ID_MJPEG),
     VP8(AV_CODEC_ID_VP8),
     VP9(AV_CODEC_ID_VP9),
     MPEG2(AV_CODEC_ID_MPEG2TS),
     MPEG4(AV_CODEC_ID_MPEG4),
-    RGB(AV_PIX_FMT_RGB24),
-    YUV(AV_PIX_FMT_YUV420P);
+    RGB24(AV_PIX_FMT_RGB24),
+    YUV420P(AV_PIX_FMT_YUV420P);
 
     int ffmpegId;