012-09-10 21:50:20,933 WARN  [ProcessExecutor] Process ffmpeg has a return code of 1! This is a possible error.
2012-09-10 21:50:21,340 ERROR [ResourceTransportRequestHandler] Error while processing resource, sending back 500 error. Message: FFmpeg execution failed
java.io.IOException: FFmpeg execution failed
        at org.serviio.delivery.resource.transcode.FileBasedTranscodingDeliveryStrategy.createInputStream(FileBasedTranscodingDeliveryStrategy.java:47)
        at org.serviio.delivery.resource.transcode.AbstractTranscodingDeliveryEngine.retrieveTranscodedResource(AbstractTranscodingDeliveryEngine.java:125)
        at org.serviio.delivery.resource.AbstractDeliveryEngine.deliver(AbstractDeliveryEngine.java:95)
        at org.serviio.delivery.MediaResourceRetrievalStrategy.retrieveResource(MediaResourceRetrievalStrategy.java:120)
        at org.serviio.delivery.ResourceDeliveryProcessor.deliverContent(ResourceDeliveryProcessor.java:84)
        at org.serviio.upnp.webserver.ResourceTransportRequestHandler.handleRequest(ResourceTransportRequestHandler.java:79)
        at org.serviio.upnp.webserver.AbstractRequestHandler.handle(AbstractRequestHandler.java:61)
        at org.apache.http.protocol.HttpService.doService(HttpService.java:293)
        at org.serviio.upnp.webserver.ServiioHttpService.doService(ServiioHttpService.java:58)
        at org.apache.http.protocol.HttpService.handleRequest(HttpService.java:212)
        at org.serviio.upnp.webserver.WebServer$WorkerThread.run(WebServer.java:191)
2012-09-10 21:50:22,329 WARN  [ProcessExecutor] Process ffmpeg has a return code of 1! This is a possible error.
2012-09-10 21:50:22,767 ERROR [ResourceTransportRequestHandler] Error while processing resource, sending back 500 error. Message: FFmpeg execution failed
java.io.IOException: FFmpeg execution failed
        at org.serviio.delivery.resource.transcode.FileBasedTranscodingDeliveryStrategy.createInputStream(FileBasedTranscodingDeliveryStrategy.java:47)
        at org.serviio.delivery.resource.transcode.AbstractTranscodingDeliveryEngine.retrieveTranscodedResource(AbstractTranscodingDeliveryEngine.java:125)
        at org.serviio.delivery.resource.AbstractDeliveryEngine.deliver(AbstractDeliveryEngine.java:95)
        at org.serviio.delivery.MediaResourceRetrievalStrategy.retrieveResource(MediaResourceRetrievalStrategy.java:120)
        at org.serviio.delivery.ResourceDeliveryProcessor.deliverContent(ResourceDeliveryProcessor.java:84)
        at org.serviio.upnp.webserver.ResourceTransportRequestHandler.handleRequest(ResourceTransportRequestHandler.java:79)
        at org.serviio.upnp.webserver.AbstractRequestHandler.handle(AbstractRequestHandler.java:61)
        at org.apache.http.protocol.HttpService.doService(HttpService.java:293)
        at org.serviio.upnp.webserver.ServiioHttpService.doService(ServiioHttpService.java:58)
        at org.apache.http.protocol.HttpService.handleRequest(HttpService.java:212)
        at org.serviio.upnp.webserver.WebServer$WorkerThread.run(WebServer.java:191)