/**
* Implementation of job execution
*
* @param context
* @return
* @throws JobExecutionException
*/
private boolean doExecute(JobExecutionContext context) throws JobExecutionException {
VideoModule videoModule = CoreSpringFactory.getImpl(VideoModule.class);
if (!videoModule.isTranscodingLocal()) {
log.debug("Skipping execution of video transcoding job, local transcoding disabled");
return false;
}
// Find first one to work with
VideoManager videoManager = CoreSpringFactory.getImpl(VideoManager.class);
List<VideoTranscoding> videoTranscodings =
videoManager.getVideoTranscodingsPendingAndInProgress();
VideoTranscoding videoTranscoding = null;
for (VideoTranscoding videoTrans : videoTranscodings) {
String transcoder = videoTrans.getTranscoder();
if (transcoder == null) {
log.info(
"Start transcoding video with resolution::"
+ videoTrans.getResolution()
+ " for video resource::"
+ videoTrans.getVideoResource().getResourceableId());
videoTrans.setTranscoder(VideoTranscoding.TRANSCODER_LOCAL);
videoTranscoding = videoManager.updateVideoTranscoding(videoTrans);
break;
} else if (transcoder.equals(VideoTranscoding.TRANSCODER_LOCAL)) {
log.info(
"Continue with transcoding video with resolution::"
+ videoTrans.getResolution()
+ " for video resource::"
+ videoTrans.getVideoResource().getResourceableId());
videoTranscoding = videoTrans;
break;
}
}
if (videoTranscoding == null) {
log.debug(
"Skipping execution of video transcoding job, no pending video transcoding found in database");
return false;
}
// Ready transcode, forke process now
boolean success = forkTranscodingProcess(videoTranscoding);
// Transcoding done, call execution again until no more videos to be
// processed. If an error happend, don't continue to not get into a loop
if (success) {
success = doExecute(context);
}
return success;
}
